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Zesto Audio 2021 Page #1

Andros Téssera Reference

Vacuum Tube Phonostage Preamplifier

Owner’s Manual

Please read carefully before installing and operating this equipment

3138 Calle Estepa, Thousand Oaks, California 91360

www.zestoaudio.com

805-807-1840

Made in the USA, Using US and Imported Parts

Содержание Andros Tessera Phonostage

Страница 1: ...e Vacuum Tube Phonostage Preamplifier Owner s Manual Please read carefully before installing and operating this equipment 3138 Calle Estepa Thousand Oaks California 91360 www zestoaudio com 805 807 18...

Страница 2: ...ood thing Each unit is built by hand with precision and pride to produce the most enjoyable listening experience for you I am proud to put my name on it and honored to share this with you Wishing you...

Страница 3: ...cations Page 9 10 Tube Layout Page 11 Before You Start Page 11 Hookup Settings and Adjustments Page 12 13 Tips and Tricks Page 14 15 Warranty Information Page 16 What s in the box Andros T ssera Refer...

Страница 4: ...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...

Страница 5: ...power cord provided with your unit was specifically designed for use with this product but other AC cords may be used Consult your dealer for advice on AC power cords and high quality wire in your sys...

Страница 6: ...channel bottom row Moving Coil RCA MC Input Left and Right A possible turntable input Left channel white RCA Right channel Red RCA RCA Moving Magnet MM Input Left and Right A possible turntable input...

Страница 7: ...or Switch MC or 2 position MM Load LED Light Indicates Channel A is On Gain Switch 3 Position for MC MM MC Load 12 Position MC Load Channel Selector Either A or B Channel B reading Left to Right MC MM...

Страница 8: ...for On Rear reading left to right IEC Power Entry Connector 110V 120V AC power input Optional factory installed 220V 240V 50 60Hz mains Mains fuse Located in drawer of Mains IEC connector Mains Fuse...

Страница 9: ...4 Superior quality MC Internal step up transformers 3 position MC gain switch for High Medium Low output cartridges Two ground binding posts Outputs per channel High quality output transformers driven...

Страница 10: ...nd 75dB or MM input 47dB 51dB and 55dB Noise 95 dBV below max output level Dynamic range 116 dBV Frequency response complies with the original RIAA curve within or 0 5 dB RIAA curve is achieved using...

Страница 11: ...Tube V6 12DW7 ECC832 Driver Tube V5 12DW7 ECC832 Driver Tube Important Tubes are not interchangeable Before you start you will need Interconnect cables to your system RCA or XLR Turntable cables RCA o...

Страница 12: ...esto Audio ships all their Phonostage units with at least 50 hours of burn in Vacuum Tubes Important Warning First identify the 3 types of tubes as they are NOT INTERCHANGEBLE Your input tubes are ECC...

Страница 13: ...ube electronics should not be turned ON then OFF then ON again quickly This could blow a fuse or create a hum Once the unit is ON it is safe to wait a minute before switching OFF If you do get a hum l...

Страница 14: ...upgrading your power cable Recommend balanced interconnect cable from your phonostage to your line amp MC Load Adjustments The range is 1K to 50 Ohms in twelve steps Find the setting that sounds best...

Страница 15: ...e not interchangeable Tube Rolling The Sport of Audiophile Kings The unit is designed around the JJ ECC83s because they are neutral consistent and are high gain low noise We also use JJ ECC82s If your...

Страница 16: ...carries no responsibility for any other equipment attached to this unit To return the product it must be packed in its original packaging and returned to Zesto Audio or its authorized representative v...