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Andros PS-1
Vacuum Tube Phonostage 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@zestoaudio.com
Made in the USA
Using US and Imported Parts
Zesto Audio 2011
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Summary of Contents for Zesto Audio ANDROS PS-1
- Page 1 Andros PS-1 Vacuum Tube Phonostage 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@zestoaudio.com Made in the USA Using US and Imported Parts Zesto Audio 2011...
- Page 2 I am proud to put my name on it and honored to share this with you. Wishing 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.
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Page 3: Table Of Contents
Hookup, Settings and Adjustments 12 - 14 Tips and Tricks Warranty Information What’s in the box Andros PS1 Phonostage 4 Vacuum Tubes White glove for handling tubes IEC power cable 6’ Optional ground wire for turntable Not Included: Interconnect cables Zesto Audio 2011... -
Page 4: Warning And Caution
(such as a paper clip, coin, or staple) accidentally falls inside the unit, disconnect it 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 amplifiers) that pro- duce heat. - Page 5 When installing an outside antenna system, take extreme care to avoid touching the power lines or cir- cuits; contact with them could be fatal. Zesto Audio 2011...
- Page 6 This type of damage is not covered by product warranties, and Zesto Audio specifically disclaims responsibility for any such damage. • Power Cord: The removable IEC power cord provided with your unit was specifically designed for use with this product, but other AC cords may be used.
- Page 7 19. FCC INFORMATION FOR USER: • CAUTION: Any changes or modifications not expressly ap- proved by Zesto Audio could void the user's authority to op- erate the equipment. • These limits are designed to provide reasonable protection against harmful interference in a residential installation. This...
- Page 8 MC High/Low Output switch (Left and Right) .. Selects the volume for MC cartridges. Ground ON/OFF switch (Left and Right) . Connects or disconnects the ground to the MC input. MC Load rotary switch (Left and Right) Correctly tunes your MC cartridge. Zesto Audio 2011 8...
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Page 9: Specifications
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 Zesto Audio 2011... - Page 10 • 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. • Zesto Audio 2011 10...
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Page 11: Hookup, Settings And Adjustments
In addition it is also strongly recommended that this unit is turned off last after the rest of your system has been turned off to prevent dam- age to your equipment. Not doing so may create a very loud noise that could damage your speakers or other equipment. Zesto Audio 2011... - Page 12 Like all high end audio equipment, this Vacuum Tube Phonostage can take 100 hours to break in. For circuit testing and quality as- surance, Zesto Audio ships all their Phonostage units with at least 50 hours of burn-in. Vacuum Tubes...
- Page 13 After waiting a few minutes unplug each vacuum tube in turn (using the glove provided) and make sure that none of the pins are bent. If they are please contact Zesto Audio for instructions. After waiting 5 minutes turn on the rest of your system.
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Page 14: Tips And Tricks
This is a common practice in the industry to upgrade your tubes. You may use any 12AX7, ECC83 or equivalent only. The wrong type of tube can cause considerable damage. Any damage caused by tube rolling is not covered by the manufacturers warranty. Zesto Audio 2011 14... - Page 15 Warranty All Zesto Audio equipment is covered by a 2 year limited warranty for parts and labor to cover defects in materials and workmanship and 6 month warranty on the original vacuum tubes from date of purchase. Zesto Audio does not warranty or is responsible for the Isonode Feet.
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