Laney Klipp100 modified

Laney Klipp100 amplifier after modification. The master volume pot was a mod already made. It now holds a switch for channel selection, a 6,3mm jack for remote channel switching and indicating leds for each channel.

Laney Klipp100 front panel
Laney klipp100 front

Back of the amplifier. Bias pot, bias measuring points , effects loop with send level pot and a gain switch.

Laney Klipp100 back panel
Laney Klipp100 back

Here’s an image with the channel switching circuit board installed using optocouplers .

Laney Klipp100 channel switching
Laney channel switching

A closer look at the gain switch mod and the effects loop.

Laney Klipp100 Gain switch
Laney gain switch

Here’s an image of the bias pot with measuring outlets and the transformer for the channel switching circuit,

Laney Klipp100 channel switching transformer
Laney klipp100 power

/Krister

Malfunctional Zachry D250 mono block

Here’s a Zachry D250 solid state amplifier. It stopped working producing only a 100Hz noise. Look at them blue filter caps, seems a bit swollen.

Zachry D250 repair
Zachry D250

Here’s a picture from the bottom of the caps.

Zachry D250 repair
Zachry D250

Those caps are out of date. Had a hard time finding 15000uF 63V caps with a diameter of 35mm. Finaly found and ordered F&T :s with the right values but a diameter of 40mm. I should be able to fit hem.

/Krister

Power cord the wrong way

A word of warning. Never install your power cord like this!

Power cord
Power cord

Found it when replacing a bad power cord in an old amp. Had the new cord installed properly with the ground wire directly to the chassie ground.

/Krister

Laney Klipp100 channel mod.

Adding some optocouplers and making the klipp and the normal input selectable. Using either the switch on the front panel or remotable with a foot switch,

Laney Klipp100 channel switching
New circuit board with optocouplers added

The front panel of the amp with the new hardware added. switching with the remote input.

Channel switching

/Krister