Friday, October 21, 2011

Zesto Andros PS1 phono stage


Key Features

The Circuit is specifically designed to provide sufficient amplification to match your cartridge with the rest of your system.
Each unit is hand built "Made in the USA".
50 hour factory burn in on all circuits and vacuum tubes.
A low Noise level of -75dBu allows the quietest passages of you music to be heard.
The output circuit is designed to drive your cables and isolates the output from the influence of the next stage.
RCA connectors are high quality, Gold plated, recessed with an isolated ground.
Isolated ground RCA connectors plus the Ground On/Off switch will allow you to choose the best ground configuration.
Recessed RCA connectors are durable and will hold up to the typical Audiophile who loves to change their configuration.
All switches and knobs are easily accessible, nothing hidden inside to adjust.
8 position adjustable MC load switch from 20 to 1000 Ohms
Accommodates both high and low MC output cartridges
Elegantly designed 16 gauge steel enclosure to help isolate the electronic “chatter” from nearby equipment.
Award winning Isonode anti-vibration feet
On/Off power switch conveniently mounted on front side panel
Easy to read large type on back panel


Separate MM and MC inputs
MM/MC switch
MM impedance 47K Ohms
MM capacitance 100pf
MC Unbalanced ground isolated RCA or Balanced XLR3F
MC ground on/off switch
MC load impedance adjustable 1000, 400, 200, 100, 50, 40, 30, 20 Ohms
MC Internal step up transformers
MC High/Low switch with -10 dB gain for high output MC cartridges

Impedance 10K ohms
-10 dB Vu output level

Four (4) Gold pin JJ ECC83S/12AX7 vacuum tubes with high quality ceramic sockets

Ground binding post
Power consumption 27W , 0 drain when off
Voltage 110/120V AC 60Hz, (optional factory installed 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

Gain MM input 45dB
Gain MC input 65dB
Noise - 75dBu
Frequency response complies with the original RIAA curve within +or- 0.5 dB
RIAA curve is achieved using a passive filter
1% metal film resisters throughout
Polypropylene capacitors throughout the audio path

"Made in the USA" using US and imported parts
Each unit is built 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.
16 gauge steel enclosure
Award winning Isonode anti-vibration feet
Two year limited warranty
Six months warranty on Vacuum Tubes

Zesto Audio