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 Fet-Valve
Hybrid vacuum tube-solid state preamp
 
 Insight EC Preamplifier
The Insight preamplifier circuits give you all the music and nothing but the music. Our earlier Omega series solid-state preamplifiers were wonderful, but we knew we could do better. When faster components with even more current drive became available, it was back to the drawing board for us. In rethinking the entire design we were able to make huge improvements in the linearity, current drive and speed of the circuit.

The Insight preamp has even more of the transparency, dynamic range, linearity and pure music for which Audio by Van Alstine has become known. Listen to all of your recordings again and find all of the space, all of the sounds of the instruments that you’d overlooked before.

Because we use a combination of integrated and hybrid ICs to achieve our musical goals, the cost is much less than you would expect. Of course we use metal-film resistors, selected film capacitors, precision controls, gold jacks, and high-reliability active devices. However, parts alone don’t make the product—it is the use of the parts that determines overall quality. We don’t get silly about expensive frills that do nothing to improve the musicality or usefulness of the product. Great audio design doesn’t have to be expensive, only great.

 
 Insight Rebuild for the Dyna Pat-5
he Insight Pat-5 rebuild includes new audio cards complete with phono and tone control circuits, an upgraded power supply, and precision-stepped volume and balance controls. The Insight factory rebuild interfaces with your tone controls, switches and jacks. It provides all of the musicality of our new AVA chassis preamplifiers at the lowest possible price.

A welcome option for the Pat-5 chassis is our gold plated input - output jack set. This new circuit board contains 24 new phono jacks on a full ground plane, each spaced on 0.5" centers so that modern cables will fit without running into each other. The original jacks are removed and discarded.

 
 Insight SL Preamplifier
he Insight preamplifier circuits give you all the music and nothing but the music. Our earlier Omega series solid-state preamplifiers were wonderful, but we knew we could do better. When faster components with even more current drive became available, it was back to the drawing board for us. In rethinking the entire design we were able to make huge improvements in the linearity, current drive and speed of the circuit.

The Insight preamp has even more of the transparency, dynamic range, linearity and pure music for which Audio by Van Alstine has become known. Listen to all of your recordings again and find all of the space, all of the sounds of the instruments that you’d overlooked before.

Because we use a combination of integrated and hybrid ICs to achieve our musical goals, the cost is much less than you would expect. Of course we use metal-film resistors, selected film capacitors, precision controls, gold jacks, and high-reliability active devices. However, parts alone don’t make the product—it is the use of the parts that determines overall quality. We don’t get silly about expensive frills that do nothing to improve the musicality or usefulness of the product. Great audio design doesn’t have to be expensive, only great.

 
 OmegaStar EC
The OmegaStar EC Preamplifier is our enhanced capability design with silky smooth tone controls that switch out of circuit when not used.
 
 OmegaStar SL
The OmegaStar SL (straight line) Preamplifier has the same great hybrid buffered high slew rate, high current audio circuits as the OmegaStar EC in a more cost-conscious chassis.
 
 Transcendence Eight
Pure vacuum tube pre-amp.
 
 Transcendence Eight Vacuum Tube Preamplifier
The preamp has a built-in multi-stage high voltage analog regulated power supply, with separate regulators for each half of each tube. This makes a striking improvement in dynamics, transparency, detail, bass power and control, while still retaining all the "tube" virtues of simply smooth and pleasing musicality without stress or grain.

It also has high reliability gold contact pushbutton switches for the front panel functions.

Working from what we had already done so well, my vacuum tube specialist, Dean Kayser, has developed a fresh approach to vacuum tube design. With a huge, open, transparent, and simply lovable sound, the Transcendence Eight will get your attention because it is so faithful to the spirit of the music. We build vacuum tube products because the very high voltage overload capability of a small signal tube, properly used, yields musical performance—especially in the midrange—that is so natural and relaxing that many purists demand it. Some of us suspect that part of what we like about vacuum tube sound might really be a bit of euphonic coloration. But the tube lover wants what a great tube design provides, and the Transcendence Eight makes life (and the music) easy for the vacuum tube lover. The price is nearly an order of magnitude lower than its audio salon-priced competition and the performance is great. If you want to hear what tube sound is all about, this is your best opportunity.

 
 Transcendence Five SL
Unique to vacuum tube preamplifiers, the Transcendence Five features an exquisite headphone amplifier built in at no extra cost. The Transcendence Five features precision-stepped volume and balance controls and a silver contact fiberglass selector switch. It has a mono-stereo switch, a tape monitor switch, a tape 1 – tape 2 switch, and a lighted power switch on the front panel. It has 20 gold-plated jacks for input and output to handle special, CD, FM, Spare (for VCR or TV), two sets of tape in, two sets of tape out, and two sets of audio outputs. It has three convenience AC outlets.
 
 Transcendence Seven EC
The T7 puts the patented Fet Valve concepts back at the very top of musical performance. And as a great bonus, the T7 circuits work beautifully with the enhanced EC design, with tone controls more functional than ever.
 
 Transcendence Seven SLR
  • Dynamic range
  • Transient response
  • High quality headphones
 
 Transcendence Six SL
There are Special (Phono if so optioned), Tuner, CD, Spare, Tape 1, and Tape 2 inputs with gold RCA jacks. There are two sets of tape outputs, tape-to-tape monitoring switches, two sets of audio outputs, and a buffered headphone amplifier. The T6 has the same size case as the AVA DAC, 12" wide, 11" deep, 3.5" high, and will stack with it. The chassis features a black-anodized faceplate and knob set with silver lettering and a newly redesigned black powder-coated steel chassis.
 
 Ultra EC Preamplifier
We started with our basic patented design ideas that have worked so well, and provided even better power supply isolation between tube and mos-fet section with a much higher capability MOSFET buffer/driver circuit, all running Class A, and came out with simply astonishing results; the new Ultra EC preamplifier.

The Ultra EC preamp tells us that simpler is best if you can make it work to perfection, and we have. Our famous patented Fet Valve transimpedance gain cell just loves the high current drive of the 6N1P line tube and the much higher current gain of our power MOSFET design in the loop isolator circuit. The circuit simply comes alive with pure musicality, dynamic range, transient attacks, and range extension we had not thought possible.

Not stopping there, we designed a new headphone driver circuit to match the performance of the line stage. Now you don’t even need a power amp or speakers to hear music as never before, just high quality headphones.

 
 Ultra SL Preamplifier
This extends the range, dynamic range, transient response, and clarity even further, with an absolutly grain free presentation and a huge three dimensional wall to wall and beyond sound stage. If absolute faithfullness to the music with nothing added or glossed over is your goal, you can likely do no better at any price.

We started with our basic patented design ideas that have worked so well, and provided even better power supply isolation between tube sections and mos-fet section with a much higher capability MOSFET buffer/driver circuit, all running Class A, and came out with simply astonishing results; the new Ultra SL preamplifier.

The Ultra SL preamp tells us that simpler is best if you can make it work to perfection, and we have. Our famous patented Fet Valve transimpedance gain cell just loves the high current drive of the 6N1P line tube and the much higher current gain of our power MOSFET design in the loop isolator circuit. The circuit simply comes alive with pure musicality, dynamic range, transient attacks, and range extension we had not thought possible.

 

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