{"title":"Used, demo, and quick-ship","description":"\u003cp\u003eSave money and time by purchasing a used, demo, or quick-ship AVA item.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/ava-used-equipment\"\u003eUsed\u003c\/a\u003e only\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/demo-items\"\u003eDemo\u003c\/a\u003e only\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/quick-ship-items\"\u003eQuick-ship\u003c\/a\u003e only\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"used-omegastar-441","title":"Used OmegaStar 440 HC","description":"\u003cp\u003eThe OmegaStar Amplifier is a hybrid-buffered, active feedback solid-state design. The feedback is an active and buffered powered feedback loop matched to the active buffered input parameters. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThey have great dynamic range, bass extension, and transient detail. This amplifier is rated at 220w\/ch into 8 ohms and double that into 4 ohms.\u003c\/p\u003e\n\u003cp\u003eThis amplifier comes with a 30 day satisfaction guarantee as well as 1 year parts and labor warranty.\u003c\/p\u003e\n\u003cp\u003eThis unit has a captive power cord\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003ePlease note that the Omega series amps have a distinct noise during turn off. I asked Frank about this many years ago and he assured me its normal.\u003c\/em\u003e\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":39387170340925,"sku":"Deans OmegaStar","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/IMG_7186.jpg?v=1747330588"},{"product_id":"humdinger-dc-line-blocker","title":"HumDinger DC Line Blocker","description":"\u003ch3\u003eWhat the HumDinger will do:\u003c\/h3\u003e\n\u003cp\u003eBlock low-level DC voltage sitting on your AC power line that causes the power transformer to hum or buzz.\u003c\/p\u003e\n\u003cp\u003eThis type of mechanical transformer hum may be caused if other devices on your power line, or devices on nearby power lines, use AC power asymmetrically. This quite common low level DC tends to make toroid power transformers hum and overload. The effect is often seen in products with toroid transformers, but it’s not limited to just toroids; thus, the non-toroid transformers can also hum depending on the level of DC voltage on the AC line.\u003c\/p\u003e\n\u003cp\u003eThe HumDinger also has a transient surge absorber on its incoming power circuit that will somewhat reduce turn-on surge currents in your equipment, prolonging their power switch and electronic component life.\u003c\/p\u003e\n\u003ch3\u003eWhat the HumDinger will not do:\u003c\/h3\u003e\n\u003cp\u003eReduce the hum you hear out of the speakers. This type of hum is often generated in the audio circuits, or by grounding issues (normally between components). The HumDinger only reduces transformer mechanical hum caused by DC voltage on the AC line.\u003c\/p\u003e\n\u003cp\u003eProvide any RFI filtering. Provide line over-voltage, surge, or lightening protection. You need a dedicated suppressor for that, the simplest being an AC outlet strip designed for computer AC line protection. You can use one of these ahead of the HumDinger if you desire.\u003c\/p\u003e\n\u003cp\u003eCure hum caused by a defective noisy power transformer.  If the transformer has a loose core that hums the HumDinger may reduce the hum slightly, but will not eliminate it.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/Humdinger_V223_BOOK_2.pdf?v=1742322839\"\u003eUser Manual Download\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: \u003cspan class=\"ava-product-option-desc\"\u003e4 3\/4\" wide x 6 3\/4\" deep x 2 3\/4\" tall\u003c\/span\u003e\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":5831090995230,"sku":"humdinger","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/humdinger-iec-side-800x600.jpg?v=1513698050"},{"product_id":"vacuum-tubes","title":"Vacuum Tubes","description":"\u003cp\u003eKeep your equipment operating at peak performance by getting high-quality tubes. We take the time to carefully evaluate all vacuum tube types in-circuit for our own use, selecting for low noise, low microphonics, and high gain. Tube sets are matched for balanced behavior in circuit.\u003c\/p\u003e\n\u003cp\u003e*Indicates tubes used in current AVA production.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Set of two JJ ECC81\/12AT7A (regular pin)* for use in the FET Valve CFR","offer_id":5831179763742,"sku":"12at7","price":44.0,"currency_code":"USD","in_stock":true},{"title":"Set of two JJ ECC82\/12AU7 (regular pin)* for use in the FET Valve CFR","offer_id":5831233110046,"sku":"12au7","price":54.0,"currency_code":"USD","in_stock":true},{"title":"Set of two JJ E88CC\/6922 (regular pin)* for use in the T10","offer_id":40063406637117,"sku":"jj e88cc","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Set of two JJ ECC83\/12AX7A (regular pin) for use in the FVA1","offer_id":5831233044510,"sku":"12ax7","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Electro-Harmonix 6922EH (each)","offer_id":13783119396925,"sku":"6922","price":32.0,"currency_code":"USD","in_stock":false},{"title":"Electro-Harmonix 6CG7EH (each)","offer_id":5831233175582,"sku":"6cg7","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/Tubes_0337-400x300.png?v=1513698233"},{"product_id":"used-fet-valve-ultra-550-amplifier","title":"Used Fet Valve Ultra 550 Amplifier","description":"\u003cp\u003e\u003cspan style=\"font-family: 'Arial',sans-serif;\"\u003eThis amplifier was manufactured in 2006. The Fet Valve Ultra 550 amplifier is our hybrid design and the predecessor of the 600R amplifier. It uses 12AT7 tubes and puts out about 250 watts per channel 20 to 20 kHz into 8 ohms at less than 0.01% THD. 17\" wide, 13\" deep, 7\" high.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an incredible sounding amplifier and in good condition with some flaws on the top of the cover. It does have a captive power cord.\u003c\/p\u003e\n\u003cp\u003eThis amplifier comes with a 30 day satisfaction guarantee as well as 1 year parts and labor warranty.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":39319690346557,"sku":"ultra350","price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/IMG_8380.jpg?v=1747330629"},{"product_id":"dyna-70-upgrade-bare-board-only","title":"Dyna 70 Upgrade Bare Board Only","description":"\u003ch2\u003eThe AVA enhanced pure vacuum tube amplifier for your original Dyna ST-70 chassis.\u003c\/h2\u003e\n\u003cp\u003eOver the years, we have received may requests asking for service and upgrade help with the long-out-of-production Dynaco ST-70 vacuum tube power amplifier. The Ultimate 70 is a AVA circuit set for the Dyna ST-70 chassis that goes far beyond the original Dynaco design.\u003c\/p\u003e\n\u003cp\u003eThe audio circuit has been carefully engineered for the widest controlled bandwidth and stability under all conditions. We think you will love the Ultimate 70 as it is just simply lovely sounding. It takes every last bit of grain away from your records and CDs, but takes nothing else away at all. The highs just float. Transparency, detail, definition, range, and dynamics are wonderful. It's got a mid range to die for and bass extension and control you would not believe possible at this power and price. The sound stage is huge, the depth is pure reality, and the emotion of the music is all there, like you have never heard before.\u003c\/p\u003e\n\u003ch3\u003eRebuild kit plans\u003c\/h3\u003e\n\u003cp\u003eIf you would like to build the Ultimate 70 rebuild kit but are not sure of what is involved, you can download sample instructions of what is involved \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/U70_Kit_Manual_Sample.pdf?v=1742584246\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eRebuild kit PC boards\u003c\/h3\u003e\n\u003cp\u003eIf you are a real do-it-yourselfer, you can purchase just our bare PC Ultimate 70 bare circuit board and we will provide the full manual upon board purchase. You would furnish all of your own parts.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":39919593652285,"sku":"","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/st70.jpg?v=1651590368"},{"product_id":"used-dac-mk5","title":"Used DAC MK5","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eUSED DAC MK 5 \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAC MK 5\u003c\/strong\u003e is a multi-format digital to analog converter of unprecedented accuracy and musicality. Based on the renowned AK4490EQ D\/A converter, our implementation uses independent active voltage references for the highest conversion accuracy and absolute best low-frequency linearity.\u003c\/p\u003e\n\u003cp\u003eAnalog processing is handled by discrete solid-state class A circuits. These incredibly linear and musical circuits present the kind of transparent highs and liquid mids you’ve come to expect from the best tube circuits combined with the solid bottom that you've come to expect from the best solid state.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e: Five fully isolated inputs consisting of one galvanically isolated USB, two transformer isolated S\/PDIF RCA coaxial, and two TOSLINK-style S\/PDIF optical inputs. The USB input is Audio Class 2 (UAC2) compliant and supports DSD over PCM (DoP).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStream compatibility\u003c\/strong\u003e: PCM up to and including 192kHz sample rates (coaxial and USB only), DSD64 (USB only), DSD128 (USB only) and DSD256 (USB only). USB compatibility has been tested on macOS, Windows, and Linux operating systems. Windows users will need to install a freely available driver for 176.4k-192kHz PCM and DSD support. \u003cstrong\u003eNote: \u003c\/strong\u003eCurrently DSD 256 will not work with Apple operating systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e: One set of stereo RCA outputs, 2.8V @ 0dbFS, 600 ohm impedance.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":39947698274365,"sku":"used dac mk5","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/dac-mk5-front_6a5551b1-4955-4998-8db8-34199d9fe0b5.jpg?v=1653066143"},{"product_id":"used-insight-dac","title":"Used Insight DAC","description":"\u003cp\u003eThis unit is in great condition. It is a true 16-bit 4x oversampling design using the Phillips TDA1543 chip and our Insight circuit set. It has one coaxial input and one set of RCA outputs\u003c\/p\u003e\n\u003cp\u003eThis unit does have a captive power cord.\u003c\/p\u003e\n\u003cp\u003eOne year parts and labor warranty as well as 30 day satisfaction guarantee.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":40981641789501,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/visiondac.png?v=1705692767"},{"product_id":"used-fet-valve-cfr-preamplifier-with-vision-q-adjustable-phono-section","title":"Used Fet Valve CFR Preamplifier","description":"\u003cp\u003eWe have a used amazing Fet Valve CFR preamplifier from 2020 production.\u003c\/p\u003e\n\u003cp\u003eIt includes remote volume, remote source selection, remote mute, remote on\/off, and remote panel lamps dim.\u003c\/p\u003e\n\u003cp\u003eFive sets of line level inputs, tape in and out, headphone driver circuits, balance control, Also provides low gain, mono, high filter, and low filter functions.\u003c\/p\u003e\n\u003cp\u003eIncludes a one year warranty and 30 day satisfaction guarantee.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":41470741905469,"sku":"used fvcrf","price":1695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/RemotePreampFront_c703c526-7d70-48b8-92fa-dc883e7ba02b.jpg?v=1620065169"},{"product_id":"demo-ca1-control-amplifier","title":"Demo CA1 Control Amplifier","description":"\u003cp\u003e\u003cstrong\u003eSave 10% off of new with this demo unit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe CA1 Control Amplifier is a next-generation complete amplifier system using our newly developed Advanced Nested Architecture (ANA). You only need to add a turntable, DAC, or similar source and a set of loudspeakers (or headphones) to create a fully functional music system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CA1 Control Amplifier oozes with the transparency, dynamic range, linearity, and pure music for which Audio by Van Alstine is known. Listen to all of your recordings again and you will hear acoustic space and musical nuance in a much more real and involving way. The cost is lower and the performance much higher than you have any right to expect.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003eThe CA1 control amplifier is one of the first products to use our \u003cstrong\u003eANA technology\u003c\/strong\u003e,  delivering stunning linearity and sound quality previously unimaginable at its price. It generates up to 55 watts per channel into 8Ω and is suitable for nominal 4Ω loads and up.\u003c\/p\u003e\n\u003cp\u003eA high-performance\u003cstrong\u003e moving magnet phono preamplifier\u003c\/strong\u003e is standard, as is an equally high-performance \u003cstrong\u003eheadphone amplifier\u003c\/strong\u003e with a 1\/4\" headphone output. It has four gold-plated RCA inputs, one of which for phono use. The speaker outputs are heavy-duty 5-way binding posts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRemote control\u003c\/strong\u003e is provided for power, volume, and muting. A 12V trigger output is also provided for those wanting to use the amplifier in highly integrated system setups.\u003c\/p\u003e\n\u003ch3\u003eAmplifier Circuits\u003c\/h3\u003e\n\u003cp\u003eOur Advanced Nested Architecture (ANA) technology is a major advancement in audio power amplifiers that brings you ever closer to the original source. Unlike more conventional class AB amplifiers, ANA employs \u003cem\u003etwo\u003c\/em\u003e independent control mechanisms to manage circuit nonlinearities. The first mechanism provides the kind of correction found in typical class AB audio amplifiers. To this, ANA adds a second global correction circuit that reduces nonlinearities to the vanishing point. We are confident that you will find the results exhilarating.\u003c\/p\u003e\n\u003ch3\u003ePower Supply Circuits\u003c\/h3\u003e\n\u003cp\u003eTo fully support the incredible dynamic range, bass extension, and transient detail the CA1 Control Amplifier's audio circuits are capable of, the amplifier uses a linear power supply based around a high-capacity toroidal power transformer. All of the power supply parts are selected for long life and reliability and operate well within their technical specification ratings.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThe CA1 Control Amplifier operates with standard 120V AC power. It has an IEC power socket, and we include a 120V IEC power cord.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePower output\u003c\/strong\u003e: 55 watts per channel into 8Ω. 85 watts per channel into 4Ω.\u003cbr\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e: Three line-level stereo inputs and one stereo moving magnet phono input on gold-plated RCA jacks.\u003cbr\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e: 47 kΩ (phono and line inputs)\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003eMaximum system gain\u003c\/strong\u003e: 36.4dB (line-level inputs to speaker outputs)\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePhono preamplifier gain\u003c\/strong\u003e: 40dB at 1 kHz (i.e., 76.4dB at 1 kHz max. system gain from phono input to speaker outputs)\u003cbr\u003e\u003cstrong\u003eHeadphone amplifier gain\u003c\/strong\u003e: 12dB\u003cstrong\u003e\u003cbr\u003eHeadphone minimum impedance\u003c\/strong\u003e: 32Ω\u003cbr\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 17\" wide, 12\" deep, 3.5\" high. Shipping weight is 20 pounds.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":41745388404797,"sku":null,"price":1440.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/CA1-front.jpg?v=1708556942"},{"product_id":"used-ultra-ec-hyrid-preamplifier-from-2006-production","title":"Used Ultra EC Hyrid Preamplifier","description":"\u003cp class=\"p1\"\u003eThis nice Hybrid preamplifier from 2005 production comes with the following features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll gold contact push-button switches and jacks for high reliability and best sonic quality.\u003c\/li\u003e\n\u003cli\u003eSilky smooth tone controls that switch completely out of circuit when not used.\u003c\/li\u003e\n\u003cli\u003eSwitchable external processor loop with dedicated EPL input and output jacks - your connection to get the best out of a home theater surround sound system without compromising true high fidelity audio performance.\u003c\/li\u003e\n\u003cli\u003eDual tape monitor loops to allow tape-to-tape monitoring and dubbing.\u003c\/li\u003e\n\u003cli\u003eSwitchable high-low filter to tame the grit and boom from poorly recorded or noisy sources.\u003c\/li\u003e\n\u003cli\u003eMute (low gain) switch to allow better volume control use with high efficiency speakers and high gain amplifiers.\u003c\/li\u003e\n\u003cli\u003eLeft-right-mono-stereo switching to get mono audio sources (such as TV and older video movies) to both left and right channels and to quiet noisy FM broadcasts and old records.\u003c\/li\u003e\n\u003cli\u003e28 gold plated input and output jacks including two sets of audio outputs, two sets of tape outputs, and EPL inputs and outputs. Enough for everything!\u003c\/li\u003e\n\u003cli\u003e3 switched and fused AC outlets - when you shut down the preamp, it turns off your accessories.\u003c\/li\u003e\n\u003cli\u003eHigh inrush current lighted power switch to allow up to 7 amps of reliable accessory switching with turn on surge capability.\u003c\/li\u003e\n\u003cli\u003e8 selectable sets of audio inputs for every possible source. We provide connections for CD, Tuner, VCR (TV), Spare 1, Spare 2, Tape 1, Tape 2, and Special (Phono if so optioned).\u003c\/li\u003e\n\u003cli\u003eReliable fiberglass selector switch that grounds unused sources (except tape) for low cross-talk.\u003c\/li\u003e\n\u003cli\u003ePrecision stepped volume and balance controls for quiet and reliable exact channel balance and repeatable settings.\u003c\/li\u003e\n\u003cli\u003e 17\"wide, 11.5\"deep, 3.5\"high, 18 pounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis unit does not have remote control available and also has a captive power cord. Uses 2- 12AT7 tubes.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":42264106729533,"sku":null,"price":795.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/ultraec.jpg?v=1744310857"},{"product_id":"used-vision-hybrid-dac","title":"Used Vision Hybrid DAC","description":"\u003ch2 id=\"vision-hybrid-dac\"\u003e\n\u003cspan class=\"gs_tkn\"\u003eVision\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eHybrid\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eDAC\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"gs_p\"\u003e\n\u003cspan class=\"gs_tkn\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"gs_tkn\"\u003eVision\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eHybrid\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eDAC\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_tkn\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eis\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ea\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ehigh-quality\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003edigital-to-analog\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003econverter\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ethat\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ecombines\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ethe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ebest\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eof\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eboth\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eworlds:\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003etube\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eand\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003esolid-state\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003etechnology.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eIt\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003efeatures:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul class=\"gs_cit_stry_pre gs_cit_stry_sm\"\u003e\n\u003cli class=\"gs_tkn\"\u003e\n\u003cdiv class=\"gs_p\"\u003e\n\u003cstrong\u003e\u003cspan class=\"gs_tkn\"\u003eWolfson\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003e8742\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eDAC\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003echip\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_tkn\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003efor\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003esuperior\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003edigital\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003econversion.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"gs_tkn\"\u003e\n\u003cdiv class=\"gs_p\"\u003e\n\u003cstrong\u003e\u003cspan class=\"gs_tkn\"\u003e6CG7\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003etubes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_tkn\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003efor\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ea\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ewarm\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eand\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003enatural\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003esound.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"gs_tkn\"\u003e\n\u003cdiv class=\"gs_p\"\u003e\n\u003cstrong\u003e\u003cspan class=\"gs_tkn\"\u003eEleven\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eregulated\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003epower\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003esupplies\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_tkn\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003efor\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eenhanced\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eperformance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"gs_tkn\"\u003e\n\u003cdiv class=\"gs_p\"\u003e\n\u003cstrong\u003e\u003cspan class=\"gs_tkn\"\u003eSwitchable\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003edigital\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003einputs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_tkn\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eincluding\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003etwo\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003ecoaxial\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eand\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003etwo\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003eoptical\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003econnections.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"gs_tkn\"\u003e\n\u003cstrong\u003e\u003cspan class=\"gs_cit_txt\" data-sups=\"1,2,3,4,5\" data-hover-id=\"1\" tabindex=\"-1\"\u003e\u003cspan class=\"gs_tkn\"\u003eHigh resolution Decoding. \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"gs_cit_txt\" data-sups=\"1,2,3,4,5\" data-hover-id=\"1\" tabindex=\"-1\"\u003e\u003cspan class=\"gs_tkn\"\u003eThis DAC is praised\u003c\/span\u003e\u003cspan class=\"gs_tkn\"\u003e for its ability to deliver a natural and musical sound.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis DAC is from 2010 production and is in great shape. It does have a captive power cord.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":43044024156221,"sku":"vision ec dac","price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/VisionECDAC.jpg?v=1746462520"},{"product_id":"set-600-monoblock-solid-state-amplifier","title":"USED SET 600 Monoblock Solid State Amplifier Pair","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003ePricing is for 2 SET 600 Mono Blocks\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe DVA SET 600 monoblock power amplifier is a uniquely musical high-fidelity amplifier that is designed to accurately preserve all of the energy of a live listening experience.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eAll of the electronics in these units have been upgraded to the latest M750 levels, including a soft start power supply.\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cbr\u003eBoth units are fully adjusted and tested.  Physically, they are in very good to excellent condition.\u003cbr\u003eTo-3 \"metal can\" mos-fet transistor package, not available anymore, is thought by some to be a better package than the currently used To-264 plastic package.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp\u003eThese DVA SET 600 are rated at 800w compared to the original 600 watts into 8 ohms. It’s comfortable paired with any speaker, including speakers demanding a LOT of power. \u003cbr\u003e\u003cbr\u003eThe DVA SET 600 has awesome dynamic range, definition, and transparency. There is a amazing faithfulness to the spirit of the music, combined with accuracy that makes listing to music a pure enjoyment. The sound stage is life size and so pure that you hear much more of the music in a way that will startle and please you.\u003cbr\u003e\u003cbr\u003eStandard configuration includes an XLR balanced input, parallel 5-way gold plated speaker jacks, and external speaker fuses. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAudio Circuits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SET amplifiers are Class A\/B, and are biased as Class A at normal listening levels. The SET name stands for their unique Single Ended Transistor voltage amplifier design.  These amps utilize a simple but amazingly effective bipolar transistor front end followed by a very fast and rugged power mos-fet current amplifier section. \u003cbr\u003e\u003cbr\u003eOur SET amplifiers are uniquely DC stable. This means our SET amplifiers will not generate speaker damaging DC drift even when driven past clipping.\u003cbr\u003e\u003cbr\u003eThe combination of our design ideas allows the amplifiers to run cooler, last longer, and be amazingly fault tolerant. Sixteen double-die mos-fet output transistors, standard on the DVA SET 600, handle difficult speaker loads (2 Ohm loads and up). Plenty of power for any rational loudspeaker.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003ePower Supply and Layout\u003c\/h3\u003e\n\u003cp\u003eThe DVA SET 600 has an oversized high-capacity torrid power transformer that is voltage regulated to provide incredible dynamic range, bass extension, transient detail, and air. All of the power supply parts are selected for long life, reliability and operate well within their technical specification ratings.\u003cbr\u003e\u003cbr\u003eAll new SET power amplifiers have regulated power supplies for all areas of the amplifier including the output transistors which provide unequaled bass control and micro dynamics.  There are no unregulated power supplies - anywhere!\u003cbr\u003e\u003cbr\u003eDimensions: 17\" wide, 13\" deep, 7\" high. Shipping weight is 38 pounds each\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan\u003eHere at the shop, we were comparing these units against the 750's and everyone was very impressed. These are very nice amps!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":43051521179709,"sku":null,"price":3999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/files\/ampblackface_e168de2f-0106-4fb9-9e37-ceb9fde83540.jpg?v=1773939837"},{"product_id":"used-vision-rb-preamplifier","title":"USED Vision RB Preamplifier","description":"\u003cp\u003e\u003cstrong\u003eThe Vision RB preamplifier has our best-ever solid-state preamp circuits, packaged for audio purists embracing minimal setups and anyone looking for affordably priced, astonishingly detailed and musical sound. \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/strong\u003eThe Vision RB preamplifier takes solid-state preamplifiers to a new level of musicality and practicality. Its minimal chassis offers four inputs and remote controlled volume and mute. A handsome silver faceplate is standard, along with high quality RCA jacks and a low-distortion headphone amplifier.\u003c\/p\u003e\n\u003cp\u003eThe Vision RB preamp has all of the transparency, dynamic range, linearity and pure music for which Audio by Van Alstine is known. Listen to all of your recordings again and you will hear acoustic space and musical nuance in a much more real and involving way.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eLine Stage\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAt the heart of the Vision RB's line stage are discrete, solid-state class A audio circuits. These circuits are crazy fast, enormously linear, and outrageously musical. They employ matched JFET input transistors driving a class A output stage, using a \"simple as possible but no simpler\" design philosophy. The result is a level of resolution throughout the audio spectrum that we have not been able to achieve with any IC opamp, regardless of price.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eEven with the extra effort to provide true discrete audio circuits to achieve our musical goals, the cost is much lower than you would expect, especially given the level of performance.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003ePower Supply\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Vision RB's linear power supply features a toroid power transformer feeding a full wave bridge rectifier and large smoothing capacitors. This is actively regulated down to plus and minus 15 volts and followed by more large smoothing capacitors and extensive RF decoupling.\u003c\/p\u003e\n\u003ch3\u003eRB Chassis Design\u003c\/h3\u003e\n\u003cp\u003eThe RB chassis has a precision volume with remote controlled volume and mute functions, selector switch, four sets of line level inputs (with one set being used for the optional phono section, if specified) and two sets of line audio outputs.\u003cbr\u003e\u003cbr\u003eThe Vision RB comes standard with a high quality built in headphone amplifier.\u003cbr\u003e\u003cbr\u003eThe aluminum face plate is finished with our incredibly durable double-anodized process. All input and output jacks are gold plated and a removable IEC power cord is provided.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 17\" wide x 12\" deep x 3.5\" high. Shipping weight is 17 pounds.\u003c\/p\u003e","brand":"Audio by Van Alstine","offers":[{"title":"Default Title","offer_id":43219781320765,"sku":null,"price":899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/products\/DS_RB_DSC_1335_1.jpg?v=1662737505"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2619\/1634\/collections\/Fetvalve_3_revB-800x600_44d790a9-87c3-434d-a114-48fd55759cf3.jpg?v=1513895793","url":"https:\/\/avahifi.com\/collections\/used-demo-and-quick-ship\/used.oembed","provider":"Audio by Van Alstine","version":"1.0","type":"link"}