©Mojotone
®
Blackface Twin Reverb
Style Amp Kit Manual 2012
Page 6
Photo 10 - Internal Wiring - Preamp
Photo 11 - Internal Wiring - Power Tube Sockets
Page 1: ...but double check us before you start your build Install chassis mounted hardware Tube Sockets Install so that they all face the same direction noting pin 1 orientation Power Transformer Make sure to mount the PT so that the label faces toward tube sockets This will be helpful for anyone looking at the transformer model number without having to take the chassis out of the amp Output Transformer Fee...
Page 2: ... the components on the fiberboard and the wire leads before soldering This step can help prevent cold solder joints by eliminating the need to push wires through an already established solder connection Check and double check the traces on the back of the fiberboard this is one of the most common areas that mistakes are made If you plan on doing modifications such as hot rodding adding a bright switc...
Page 3: ... Mojotone Blackface Twin Reverb Style Amp Kit Manual 2012 Page 3 Photo 5 Fiberboard Assembly Photo 6 Filter Cap Fiberboard Assembly Photo 6 Rectifier Bias Fiberboard Assembly D C B A ...
Page 4: ...entation see schematic Connect corresponding wires to hardware try to keep wire short and runs as neat as possible This will help make future troubleshooting and repair easier Solder 2 W 100 Ohm resistors solder from the pilot light to ground Solder 1 W 1 Meg resistor from Input 1 to ground tied to Input 2 This grounds the input of the amp so that no hum or noise picked up by the amp when the guit...
Page 5: ... Mojotone Blackface Twin Reverb Style Amp Kit Manual 2012 Page 5 Photo 8 Rectifier Bias Fiberboard Photo 9 Internal Wiring Power Amp ...
Page 6: ... Mojotone Blackface Twin Reverb Style Amp Kit Manual 2012 Page 6 Photo 10 Internal Wiring Preamp Photo 11 Internal Wiring Power Tube Sockets ...
Page 7: ...are all symptoms of many common problems in tube amps If you need to service the amp after having it on you must discharge the capacitors This is done by unplugging the amp turning the power and standby to the on position and letting it sit for 30 mins or so Always use a multimeter to check the residual voltage in the cap to make sure it is fully discharged Feel free to call Mojo at 1 800 927 Mojo...
