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Zesto Audio 2015  

 

P a g e  

 

 

Active Components 

 

Matched sextet set of six (6) KT88’s vacuum tubes 

 

Two (2) Gold pin ECC82 (12AU7) vacuum tubes 

 

High quality gold plated ceramic sockets  

 

 

Other Features 

 

Each unit is made by hand 

 

50 hour factory burn in on all circuits and vacuum tubes 

 

Dimensions 17" W X 20" D X 10" H  

 

Weight 59 lbs. (26.8 Kg)  

 

16 and 14 gauge Zinc plated steel enclosure 

 

Two year limited warranty 

 

Six months warranty on Vacuum Tubes 

  

  

 

 

 

Proper Care of your EROS 300 Power Amp 

Very Important Read First 

The simple rule to remember is to

 

“turn on your preamp first before turning on your power amp and turn off the 

power amp before turning off the preamp.” 

Not doing so may create a very loud noise that could damage your speakers or other equipment. 

It is customary for vacuum tube equipment, when it is first turned on, while the unit is powering up, to have a brief initial 
“hum” coming from the unit, not from the speakers. 

It is very important that all of your audio equipment is 

turned off 

or unplugged from the main power before attempting to 

install this unit. 

The unit is ready to listen to within a few minutes after powering up, however for best performance allow at least 30 
minutes of warm up. 

It is 

not recommended 

to drive the EROS 300 directly from a DAC or to use a passive volume control. The EROS 300 is 

designed to be driven by a powered preamp. 

 

Burn-in 

Like all high end audio equipment, this Vacuum Tube Amplifier can take 200 or more hours to break in. For circuit testing 
and quality assurance, Zesto Audio ships all the EROS 300 Amps with at least 50 hours of factory burn-in. 

Содержание EROS 300

Страница 1: ...er Amplifier 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 zes...

Страница 2: ...ience 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...

Страница 3: ...ot 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...

Страница 4: ...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 increases the risk of fire or electric...

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: ...slow blow fuse Fuse installed in mains inlet connector Optional factory installed 220V 230V 240V mains with 3 15 Amp slow blow fuse Input RCA Single Ended SE High quality recessed gold pin connectors...

Страница 7: ...to reach rated output Detailed Specs Monaural Auto bias No negative feedback Frequency response 20Hz to 50Khz 2dB Total Harmonic Distortion 0 8 at 1W into 8 Ohms Gain of 29dB Noise level 5 mV RMS into...

Страница 8: ...that could damage your speakers or other equipment It is customary for vacuum tube equipment when it is first turned on while the unit is powering up to have a brief initial hum coming from the unit...

Страница 9: ...binding posts You can also connect the speaker cable using a 4 pin SpeakOn connector SpeakOn Wiring Diagram 4 1 1 8 2 2 Input Using RCA or XLR interconnect cables connect your preamp to the input of t...

Страница 10: ...rd fuse Warning The EROS is designed for Slow Blow fuses If you install a standard fuse it is likely to blow when you turn the amp on For 120 Volt mains we use a 6 3 Amp Slow blow fuse Not a 5 Amp Slo...

Страница 11: ...been misused abused damaged by accident or neglect or in 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 a...

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