Zesto Audio BIA 120 tube power amp

This is a mint Zesto Audio BIA 120 stereo power amp in superb condition. This amp has no problems and no issues. It sounds as beautiful as it looks. The BIA 120 is a unique performer, encompassing the sonic benefits of tubes and the low distortion and quiet of solid state in a single amplifier. It features 60 watts per channel of Class A power in a dual mono design. Fully balanced with no negative feedback and with auto bias so you never have to adjust tube bias. 
This unit had only one owner and has recently been completely re-tubed. It is ready for years of no-fuss, no-bother enjoyment.
Viva Hifi is an authorized Zesto Audio dealer located near Washington, DC. Viva Hifi will provide free UPS ground shipping in the continental US. The amp comes with the owners manual and the original sturdy box and packing.  Reasonable offers will be considered. No trades will be accepted for this amp.

Specifications

•  
60 Watts per channel

•  
Frequency response 20Hz to 50Khz ~
2db

•  
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

•  
RCA single ended inputs Left and
Right with an impedance of 100K Ohms

•  
Transformer floating XLR balanced
inputs Left and Right (pin 2 hot) with an impedance of 12K Ohms

•  
Independent ground lift switches on
left and right balanced inputs

•  
2 Volts RMS input to reach rated
output

•  
120 Volts AC mains

•  
Optional factory installed 220V,
230V, 240V 50/60Hz

•  
Power consumption at rated output 300
Watts

•  
Dimensions 17″ W X 20″ D X 10 ” H

•  
Weight 66 lbs. (30Kg)

•  
Elegantly designed, heavy duty 14
&16 gauge zinc plated steel enclosure

 

Features

•    
Pure Class A. 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, better transient response, better
dynamic range and more transparency.

•    
Dual Mono for less crosstalk and
better imaging

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

•  
No negative feedback provides for
virtually no compression to your music

•    
4, 8 and 16 Ohm output taps

•    
Eight 5 way binding posts

•    
8, 5 and 4 Amp Slow blow fuses for
outputs

•  
Push-Pull and Ultra-Linear design.
Ultra-linear, Push-Pull circuit design to deliver the most precise, enjoyable
and faithful reproduction possible. Push-Pull circuit design gives you more
power. Ultra-Linear circuit design provides lower distortion

•  
High quality gold plated RCA, XLR
connectors and 5 way binding posts

•    
1% metal film resisters throughout

•    
Polypropylene capacitors throughout
the audio path

•    
Custom Toroid power transformer and a
choke-based, dual-mono power supply to deliverall the “slam” you can handle.

•  
3 pin IEC power connector with fuse

•  
Each unit is hand built “Made in the
USA”

•  
50 hour factory burn in on all
circuits and vacuum tubes

•  
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 on the
XLR balanced inputs to help eliminate ground hums

•  
KT120 compatible

•  
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.

•  
The wide frequency response allows
you to hear the finest passages in your music.

•  
All fuses are easily accessible

 

Read the reviews of the Zesto Audio Bia 120 in the:

·    Part-time Audiophile, March 7, 2015, Scot Hull

·    The Absolute Sound, April 7, 2014, Paul Seydor

·    Positive Feedback Online, November 2013, Robert H. Levi