zesto Andros 1.2 Owner'S Manual Download Page 6

Zesto Audio 2016                                                                        Page #6 
 

 

Specifications 

Inputs per channel 

 

Separate MM and MC inputs  

 

MM/MC switch  

 

MM impedance switch 47K or 15K Ohms  

 

MM capacitance 200pf  

 

MC Single Ended RCA with isolated ground or transformer Balanced XLR3F  

 

MC ground on/off switch  

 

MC load impedance adjustable 1000, 800, 600, 500, 400, 300, 200, 100, 50, 20 Ohms  

 

MC Internal step up transformers  

 

MC High/Low switch with ~ – 3dB gain for high output MC 
cartridges  

 

Outputs per channel 

 

Impedance 10K ohms  

 

+6V max output level  

 

Power 

 

Ground binding post  

 

Power consumption 27W , 0 drain when off 

 

Voltage 110/120V AC 60Hz 
(optional factory installed 220V or 230/240V AC 50/60Hz)  

 

Standard 3 pin IEC power connector  

 

ON/OFF power switch conveniently located on the front side  

 

Two internal high quality linear regulated power supplies 
250V and 12V  

 

 

Active Components

 

 

Four (4) Gold pin ECC83S vacuum tubes 

 

High quality Gold pin ceramic sockets  

 

Detailed Specifications 

 

Gain MM input 47dB  

 

Gain MC input 67dB  

 

Noise -75dBu below max output 

 

Frequency response complies to RIAA curve or- 0.5 dB  

 

RIAA curve is achieved using a passive filter  

 

1% metal film resisters throughout  

 

Polypropylene capacitors throughout the audio path 

 

Other Features 

 

Each unit is made by hand 

 

50 hour factory burn in on all circuits and vacuum tubes 

 

Dimensions 17" W X 12" D X 5" H  

 

Weight 20 lbs.  

 

 

Summary of Contents for Andros 1.2

Page 1: ...Preamplifier Owner s Manual Please read carefully before installing and operating this equipment Zesto Audio 3138 Calle Estepa Thousand Oaks California 91360 805 807 1840 www zestoaudio com george ze...

Page 2: ...ishing you many happy years of listening Sincerely George Counnas President of Zesto Audio FYI Zesto is Greek for hot Andros is a Greek island and the home of my grandmother s family Table of Contents...

Page 3: ...from the AC power source immediately and contact Zesto Audio for further instructions 7 HEAT Position the unit away from heat sources such as radiators heat registers stoves or other units including...

Page 4: ...uct but other AC cords may be used Consult your dealer for advice on AC power cords and high quality wire in your system AC Fuse The fuse is located inside the IEC power entry connector If the unit do...

Page 5: ...Left and Right A possible turntable input RCA Moving Coil MC Input Left and Right A possible turntable input XLR3 Balanced MC Input Left and Right A possible turntable input MM MC selection switch Le...

Page 6: ...110 120V AC 60Hz optional factory installed 220V or 230 240V AC 50 60Hz Standard 3 pin IEC power connector ON OFF power switch conveniently located on the front side Two internal high quality linear r...

Page 7: ...he unit not from the speakers It is very important that all of your audio equipment is turned off or unplugged from the main power before attempting to install this unit It is recommended that during...

Page 8: ...connections must be applied to both left and right The turn table signal cables attach to the left and right inputs of the phonostage Either MM RCA MC RCA or MC XLR Cartridge Set up Select MM or MC on...

Page 9: ...different because it loads on the secondary of the step up transformer This method transfers the entire signal from the cartridge to the primary side of the transformer without any interference from...

Page 10: ...arranty Tube Rush Noise If you are hearing this noise it is most likely a gain setting is too high on the input of the Line Amp Power cord The Andros is not particularly sensitive to power cords No Ba...

Page 11: ...eturn the product it must be packed in its original packaging and returned to Zesto Audio or its authorized representative via insured freight at the owner s expense Returned products must be accompan...

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