ZESTO BIA 120 Tube Amplifier,New in Box! Warranty!newZESTO BIA 120 Tube Amplifier, New in Box! Warranty! Free Ship in C.U.S.WANT a Faster Response? Email us directly at [email protected] rather than thru the Audiogon system. Thanks in advance! To see all our Bargains and Special Deals, CLICK HERE! We are...5650.00

ZESTO BIA 120 Tube Amplifier, New in Box! Warranty! Free Ship in C.U.S. [Expired]


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The Zesto Bia 120 Stereo Amplifier is Class A Stereo Tube Power Amplifier - 'A bonafide masterpiece', Bob Levi, Positive Feedback



Zesto Bia 120 Tube Amplifier - Stock Photo

 


Zesto Bia 120 - New in Box (factory sealed)
 

Zesto Bia 120 Vacuum Tube Amplifier, New in Box, one year warranty.

Retail $12,500, sell for $5,650, Paypal add 3%. Free Ship in Continental U.S.

Audio Revelation is an authorized Zesto dealer.

Testimonials (on all Zesto products)


 


2015 Editors Choice Award  - The Absolute Sound



2013 Editors Choice Award - The Absolute Sound


"Zesto has created an amplifier that, when placed with the best ancillaries, will give you the experience of the musical performance with ground-breaking intense realism. I have never heard a better amplifier in my reference system, tube or solid-state. It is the best new tube amplifier to reach the market in the last five years priced under $50,000. That it costs $12,500 is a boon to audiophiles everywhere, and a minor miracle. What a value - highly recommended!"
 - Bob Levi, positive-feedback online (read the review)


"The Zesto Bia 120 Stereo Amplifier is the only amplifier costing more than $10k that I’ve heard that I might actually consider buying for the sheer love of the way it makes almost every recording I have sound beautiful... This is the kind of design around which passionately enthusiastic cults form, and I can easily see its owners treasuring it like classic Marantz or McIntosh amps from the salad days of high-end audio. I certainly would."
 - Paul Seydor, The Absolute Sound, May/June, 2014


"The Zesto Leto [preamp] and Quad 909 amp share similar characteristics of beng unusually free from electromechanical artifacts and having vivid and engaging midranges, a full bottom end, and completely natural top ends. Their presentations also have an unusually high degree of body and dimesionality to them... It results in a musicality and impression of realism is at once valid and authoritative yet without ever stepping outside the boundaries of sonic neutrality."
 - Paul Seydor, The Absolute Sound, Feb., 2013


"New from Zesto Audio comes the tubed Leto Preamp, pushing the envelope in value and performance in its price range and beyond. With styling similar to the Andros Phono stage, the Leto is a powerful sounding, highly detailed, fantastically quiet, and superbly musical masterpiece that will complement the finest systems. Designed by a brilliant and pragmatic designer who knows great sound and ergonomics, the Leto performed like a thoroughbred in every way musical, and was a joy to control and adjust. The fun factor while working with the Leto made me rethink what has been missing in minimalist preamps that cost even more money these days. What a jewel! The Zesto Audio Leto is a killer design to my way of listening and loving recordings, and may just be the preamp you will buy and keep for the very, very long haul. The Leto receives my highest recommendation."
- Robert Levi, PositiveFeedback (read the review)


"Zesto was debuting their new Leto tubed line preamplifier ($7500, top), which, like the Andros phono stage (bottom), is made in the USA. The performance of Mahler's Symphony 1, with the Boston Philharmonic on a typically bright-sounding DG LP, had me sitting for the entire first movement, so low was the noisefloor and so high the dynamic range"
- John Atkinson, Stereophile, reporting on Newport 2012 show


"George and Carolyn Counnas of Zesto Audio were on hand and showing off something new — the Leto, their nifty $7,500 tubed preamp. If I were able to make something this pretty — and have it sound this good — I’d be pleased, too. The aesthetic should be familiar to show-goers as it follows the elegant, flowing lines of their $3,900 Andros PS1 phono stage, a unit that suddenly seems to be just about everywhere. I stayed for half an hour. And came back. Three times. I loved this room. LOVED it. The sound was rich and big and grand and totally inviting. Detail? Check. Immediacy? Check. Room filling? Check. Made me want to hang out all day? Checkcheckcheck!"
 - Partimeaudiophile.com

"No analog devotee will not enjoy listening to the Zesto Andros PS1. It had an addictive sound that combined the 12AX7 tube's well known golden glow warmth with uncommon extension at the extremes of the audioband... I highly recommend the Zesto Andros PS1. It's among the more enjoyable and satisfying phono preamplifiers I've auditioned at any price"
- Michael Fremer, Stereophile, March 2013


Robert Harley in 2012 CES show report stated the Zesto room (at 2012 T.H.E. Show at The Flamingo) exhibited "a rare epiphany in which the system so totally disappears that the music seems to just exist independently of the hardware. The system, put together by Zesto, Lindemann, and retailer Audio Revelation, was absolutely jaw-dropping in its presence and realism." Robert also awarded this room one of his "Best Sound" awards.

"In a nutshell, the Andros is like finding the Mona Lisa at a yard sale. It is the best bargain in a high-end phono stage I have discovered since I have been reviewing. Buy it, max out the ancillaries, and move on!"
 - Robert Levi, Positive Feedback Online, Nov-Dec. 2011 (read the review) 


Overview


Zesto Bia 120 Stereo Amplifier

Design Philosophy (from Chief Designer, Engineer and CEO of Zesto - George Counnas)


With my pro background in the recording studio and live concert mixing, I wanted to build an amp that allowed me to hear music the way I know it should sound.

I wanted it to be easy to use, reliable and with plenty of power to drive the speakers. In short, I wanted power without compromising the music.

Class A Design
The tubes are always on, so you have power when you need it. Class A is fast and responsive. There is no lag, providing your music more punch, transient response, better dynamic range and transparency.

Circuit Topology
I chose a Class A Ultra-linear, Push-Pull circuit design to deliver the most precise, enjoyable and faithful reproduction possible.

Unsung Hero
The unsung hero of a power amp is its power supply. That’s why my design incorporates a custom Toroid power transformer and a choke-based, dual-mono power supply–to deliver all the “slam” you can handle.

Easy to use
With Auto Bias, you need no adjustments. It’s safe, consistent and the settings are always perfect so you can enjoy your music.

What is Bia?
In Greek mythology, Bia is the Titan Goddess of force and power.


Key Features


Zesto Bia 120 Stereo Amplifier

•Plenty of power to drive your speakers
•Pure Class A power is fast and musical
•4, 8 & 16 Ohm taps gives you options for your speaker preference
•Dual Mono gives you less cross talk and better stereo imaging
•No adjustments with Auto Bias. Its safe, consistent and settings are always perfect
•Provides enough gain for most standard preamps and accommodate most speakers
•Choice of either Single Ended RCA or Balanced XLR to suit your needs or cable preferences
•Transformer balanced XLR input offers true noise rejection and isolation from the preamp
•Left and Right ground switches work with the XLR balanced inputs to help eliminate ground hums
•No Negative Feedback provides for virtually no compression to your music
•Customer Toroid provides lower noise with plenty of available power
•Global mains power supply can work all over the world
•KT120 compatible
•Push-Pull circuit design gives you more power
•Ultra-Linear circuit design provides lower distortion
•Low noise levels allow really dark black quiet musical passages
•Non inverting polarity retains the same phase as the input (so your trumpets blow and don’t suck)
•Gold pin sockets are more reliable because gold doesn'’t oxidize when it heat cycles
•Matched quad output tubes retain the stereo balance
•It’s ready to enjoy with 50 hours of factory burn in on all circuits and vacuum tubes.
•Elegantly designed, heavy duty 14 &16 gauge zinc plated steel enclosure
•Each unit is hand built "Made in the USA"
•The wide frequency response allows you to hear the finest passages in your music.
•High quality gold plated RCA, XLR connectors and 5 way binding posts
•All fuses are easily accessible

Specifications


Zesto Bia 120 Stereo Amplifier


Output
•Pure Class A
•60 Watts per channel
•4, 8 and 16 Ohm output taps
•8, 5 and 4 Amp Slow blow fuses for outputs
•Eight 5 way binding post
•Non inverting output polarity
•Push-Pull and Ultra-Linear design


Inputs
•Transformer floating balanced XLR inputs
Left and Right SE inputs with an impedance of 100K Ohms
•Left and Right BAL inputs (pin 2 hot) with impedance of 12K Ohms
•Independent ground lift switches on left and right BAL inputs
•2 Volts RMS input to reach rated output


Detailed Specs
•Dual Mono
•Auto bias
•No negative feedback
•Frequency response 20Hz to 50Khz  ~ 1dB
•Total Harmonic Distortion ~ 0.22% at 1W output into 8 Ohms
•Gain of 23dB
•Noise level > 0.2 mV RMS into 8 Ohms with input shorted
•1% metal film resisters throughout
•Polypropylene capacitors throughout the audio path


Power
•Custom Toroidal power transformer with global mains
•Choke based power supply design
•120 Volts AC mains
•Optional factory installed 220V, 230V, 240V 50/60Hz
•Power consumption at rated output 300 Watts
•On/Off switch conveniently located on front panel
•3 pin IEC power connector with fuse


Active Components
•Matched quad set of four (4) KT88’s vacuum tubes
•Four (4) Gold pin ECC82s (12AU7) vacuum tubes
•High quality gold plated ceramic sockets


Other Features
•Each unit is made by hand
•50 hour factory burn in on all circuits and vacuum tubes
•Dimensions 17" W X 20" D X 10 " H
•Weight 66 lbs. (30Kg)
•16 and 14 gauge Zinc plated steel enclosure
•Chrome steel spike feet


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California sales subject to sales tax.

Audio Revelation, Carlsbad, CA 92010

760.434.2625. 9am-6pm PST Monday through Saturday. Visits by appointment only please.

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