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Zesto Audio 2015     3 | 

P a g e

 

 

 

 

What’s in the box? 

  

Leto 1.5 Preamp 

Leto Remote Control 

2 12AX7 Vacuum Tubes 

2 12AU7 Vacuum Tubes 

White glove for handling tubes 

IEC power cable 6’ 

Not Included: Interconnect cables 

 

 

 

 

 

 

 

 

Warning and Caution 

   

WARNING: 

The triangle with the lightning flash symbol displayed on the unit advises the user of dangerous uninsulated 

voltage inside the product’s enclosure. 

  

CAUTION: 

To reduce the risk of electric shock, do not remove the cover. There are no user-serviceable parts inside; it is 

recommended that only qualified personnel service this component. 

  

1. 

OWNER’S MANUAL: 

Before powering up the equipment, read all safety and operating instructions and follow them as 

instructed. Retain the safety and operating instructions for future reference. 

  

2. 

ATTACHMENTS: 

Use only those attachments recommended by the unit manufacturer, as others may cause hazards. 

  

3. 

ACCESSORIES: 

Do not place the unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall, causing 

injury to a person or damage to the unit. Mount the unit according to the manufacturer’s instructions with the 

suggested mounting accessory. 

  

4. 

WALL OR CEILING MOUNTING: 

Do not mount the unit on a wall or ceiling. 

  

5. 

WATER AND MOISTURE: 

Do not use the unit near water (for example, near a swimming pool, bath tub, wash bowl, 

kitchen sink, or laundry tub) or in a damp environment (like a basement or outside in the rain). 

  

6. 

OBJECT AND LIQUID ENTRY: 

Do not push objects of any kind into the unit through openings as they could touch 

dangerous voltage points and short-out parts, possibly resulting in a fire or electric shock. Do not spill liquid of any 

kind on the unit. 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.

 

 

  

Содержание Leto 1.5

Страница 1: ...mplifier 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 zestoau...

Страница 2: ...ence for you 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 L...

Страница 3: ...lace the unit on an unstable cart stand tripod bracket or table The unit may fall causing injury to a person or damage to the unit Mount the unit according to the manufacturer s instructions with the...

Страница 4: ...ake extreme care to avoid touching the power lines or circuits contact with them could be fatal 14 OVERLOADING Do not overload wall outlets extension cords or integral convenience receptacles as this...

Страница 5: ...adiate radio frequency energy and if not installed and used in accordance with the instructions it may cause harmful interference to radio communications However there is no guarantee that interferenc...

Страница 6: ...ypass switch Just in case remote is misplaced Turn switch up to override mute Cinema Bypass Cinema out from Input 1 Inputs 1 2 3 RCA single ended SE High quality recessed gold pin connectors Inputs 4...

Страница 7: ...ches on the left and right Single Ended outputs 1 set of Single Ended Cinema bypass outputs from input 1 Headphones Built in 1 Watt class A B headphone amp 2 Volts headphone output Frequency response...

Страница 8: ...Gain 12dB Signal to noise 100dB below operating level Non inverting output polarity Cross talk 90dB Remote control volume mute and mono Remote bypass switch on rear panel just in case the remote is m...

Страница 9: ...e sure that none of the pins are bent If they are please contact Zesto Audio for instructions Caution Tube electronics should not be turned ON then OFF then ON again quickly This could blow a fuse or...

Страница 10: ...no button for on off Mono Volume The left knob on front panel controls the volume The volume is indicted by the black dot on the knob Remote Bypass Switch Located on the rear panel just in case the re...

Страница 11: ...power amps with 35dB and or very high efficiency speakers The factory default gain setting is 12dB Units sold before January 2013 please contact the factory if a reset is needed Due to high internal v...

Страница 12: ...n transport once in possession of purchaser The warranty is also void if the product has been tampered with or has been repaired or modified by anyone other than Zesto Audio or its specifically author...

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