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10.

 Stand-by Switch

- Should 

be in the “down” or “stand-by” position when you apply power to the 

unit.  After a few seconds, place the switch in the “up” position to use the amplifier.  You may leave 
the unit “powered up” and place this switch in the “stand-by” position to mute the output. 
 
11.

 Indicator Lamp

- This 

lamp will illuminate when the power switch is in the “up” position, 

indicating the unit is receiving A/C power. 

 

 
 
 

Rear Panel Functions 

 

 

 
 
1. 

A/C Input

- Connects the amplifier to A/C power via the power cord supplied. Please check to 

make sure you have the correct cable for the voltage rating of your country. 
 
2. 

Fuse

- See Fuse Chart 

 
3. 

Power Switch

- Turns power on.  

 
4. 

Speaker Output Jacks

- There are 3 speaker output jacks; 4, 8, and 16 ohms. NEVER 

OPERATE YOUR AMPLIFIER WITHOUT A PROPER SPEAKER LOAD CONNECTED. Be sure 
to match the impedance of your cabinet with the impedance (output) of the amplifier. 
 
5.

 Reverb Drive

- The reverb drive control adjusts the signal level applied to the reverb unit.  Low 

settings will provide a smooth, short decay effect, simulating small to medium rooms.  Higher 
settings will increase the decay time.  At maximum clockwise rotation, an extremely wet reverb 
effect can be created.  This control is used in conjunction with the front panel (return) control (see 
FRONT PANEL FUNCTIONS, previous page).  The reverb effect is defeated with this control in 
the full counterclockwise position. 
 
6.

 Effects Send

- Use this jack to send the amplifiers signal to outboard effects. 

 
7.

 Effects Return

- Use this jack to connect the output of your effects to the amplifier. 

 
8.

 Footswitch Jack

- The footswitch connects here.  The clean/lead and tone bypass functions 

can only be activated via the footswitch. 

 

 

                          
 

Summary of Contents for Two-Rock Jet 22

Page 1: ...OWNERS MANUAL...

Page 2: ...nce with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers plugs and the point where they exit from the apparatus 9 Protect the power cord from be...

Page 3: ...le and mid range controls is greatly reduced In the full clockwise position low frequencies are allowed to pass to the gain stage When the knob is in the out position the low and low mid frequencies a...

Page 4: ...R AMPLIFIER WITHOUT A PROPER SPEAKER LOAD CONNECTED Be sure to match the impedance of your cabinet with the impedance output of the amplifier 5 Reverb Drive The reverb drive control adjusts the signal...

Page 5: ...ses are 3AG Type 250 Volt SLO BLO Export 100 Volt Domestic Fuses Export 220 230 240 Fuses 2A 22 35 Watt 2A 22 35 Watt 1A 22 35 Watt 2 5 50 Watt 2 5 50 Watt 1 6 50 Watt 3 2 100 Watt 3 2 100 Watt 2 5 10...

Page 6: ...nd connect proper speaker load DO NOT have an instrument connected to the input during the biasing procedure Take unit off standby and allow a few seconds for the circuit to stabilize Set multi meter...

Page 7: ...o bias must not be set higher then 044V as it will cause tube failure Do not set bias higher then recommend levels as it can lead to tube failure or failure within the amplifier amplifiers are brought...

Page 8: ...ning solvents Wipe exterior with a clean dry cloth only Refer servicing to a qualified service technician This is a product of Premier Builders Guild 619 MARTIN AVENUE SUITE 6 ROHNERT PARK CA 94928 70...

Page 9: ......

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