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                O W N E R S   M A N U A L                

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BYPASS 

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To assist you in finding the perfect setting for your music, a bypass switch is located on 
the front of your Z-ROCK that is intended to be used as an A/B switch while you make 
your adjustments.  This way you can hear what it sounds like without the Z-ROCK 
(bypassed) and then what it sounds like with the Z-ROCK setting you have chosen. 

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SPECIFICATIONS 

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Weight  

 

7 lbs. ea. 

Dimensions   

2.5" H x 6" W x 11.0" D 

Circuit type   

Single ended Class A Triode  

Input voltage  

4 volts max 

Output voltage 

8 volts with 2 volt input.  16 volts with 4 volt input 

Max Output   

21 volts 

Output Impedance  <1000 ohms 

Input Impedance  47 K Ohms 

Noise / Hum  

-80dBV / -62dBV 

Response 

 

10 Hz ~ 90 kHz 

Feedback   

ZERO negative feedback used 

Rectification   

UN4007 fast recovery 

Capacitor Filter 

547 uF 

Signal tube   

12AU7

 

 

Biasing 

 

Self-Biasing 

Resistors 

 

precision WW/MF by DALE, VISHAY 

Signal Cap   

Polyurethane Film Caps or Beeswax Film/Foil Caps 

AC cord 

 

Removable power cord 

Consumption 

13.5 watts at the outlet 

Input jacks   

RCA type 24K Gold 

Output jacks  

RCA type 24K Gold 

Warranty 

 

Lifetime to original owner 

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Decware High Fidelity Engineering Co.,  East Peoria IL, USA   www.decware.com    

                                                       

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