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Andros 1.2
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 2016
Page #1
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Summary of Contents for zesto Andros 1.2
- Page 1 Andros 1.2 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 2016...
- Page 2 Dear Music Lover, I wanted to personally thank you for your purchase of my Andros 1.2 Phonostage. I have loved music all my life – as a musician, record producer and audio engineer. That makes me fussy about sound. That’s a good thing.
- Page 3 If water or any metal object (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 produce heat.
- Page 4 17. IMPORTANT SAFETY NOTE: • Before connecting a new product such as the Andros 1.2 Phonostage to your audio or home theater system, turn off all other equipment (preferably unplugging them from the AC power source). Many audio components feature automatic turn-on circuits that may activate during an installation, potentially causing damage to electronic components or speakers.
- Page 5 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. MM Load switch (Left and Right) ……………………………………… Correctly tunes your MM cartridge. Zesto Audio 2016 Page #5...
- Page 6 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 2016 Page #6...
- Page 7 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 damage to your equipment. Remember “Turn on first, Turn off last”. Not doing so may create a very loud noise that could damage your speakers or other equipment. Zesto Audio 2016 Page #7...
- Page 8 Burn-in Like all high end audio equipment, this Vacuum Tube Phonostage can take 100 hours to break in. For circuit testing and quality assurance, Zesto Audio ships all their Phonostage units with at least 50 hours of burn-in. Vacuum Tubes Using the glove provided, unpack and carefully plug in the four vacuum tubes making sure they are firmly pushed in all the way in their sockets.
- Page 9 The unit is designed to work best in the Low MC setting and the majority of the time this setting will sound better. • Even if the cartridge is on the higher output side, I would recommend trying it on the Low MC setting first and if you hear distortion then switch to the High MC setting. Zesto Audio 2016 Page #9...
- Page 10 The filament on the tube will burn out quicker if switched on and off more often. • The tube will wear out quicker if it’s left on all the time. There is no clear choice which is preferred. • Zesto Audio 2016 Page #10...
- Page 11 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. To obtain this original owner warranty the completed warranty registration must be received by email at the factory within 15 days from date of purchase.