Peavey Bandit Combo Amp Refurb

David found this fine old Peavey combo amp in a pawn shop for almost next to nothing. Could the Unbrokenstring Crew resurrect it? This saga begins on a cool Saturday morning in the Guitar Center Pasadena parking lot.  If you look closely, you can see right through this unit.  Literally.  What are we getting ourselves…

Marshall AVT50X Combo Amp Has Issues

The customer was headed to the recording studio with his favorite amp.  However, our patient has two issues. When the unit operates, the fan is noisy and the output signal comes and goes when you tap around the headphone jack. When you don’t hear the fan anymore, the whole thing has quit. Can the Unbrokenstring…

Mackie 808S Powered Mixer Blows A Fuse

This powered mixer lives two lives; During the week, it rides quietly in the back of the sound van; When the weekend comes, it works hard as the sound system on the main stage for outdoor festivals. After years of incredibly reliable service, the unit just stopped. And it already had a date on the…

Peavey Stereo Chorus 212 Head Stuck In Mono

The owner of this amp was so anxious to get it fixed, he removed the chassis from this Peavey Stereo Chorus 212 combo and even helped load it!  The amp plays, but only one stereo channel is operational.  Can the Unbrokenstring Crew help? A quick look of the front panel shows the inputs and the…

Bugera V22 Infinium Combo Amp Repair

This beautiful combo amp excels in all categories except one…  no audio out.  Could the Unbrokenstring Crew help? Taking a walk-around, the rear panel tells us that this amp was built in Macao, PRC. Good corporate branding… The TRIODE/PENTODE switch is advertised as a ‘half-power/full-power’ switch.  The LEDs labelled “Tube Life Monitoring” light up when…

Noisy Controls in an SWR Red Head Bass Combo

This combo amp really turns heads whenever it is played.  However, over the decades, the controls have become noisy. Time for the Unbrokenstring Crew to do some remedial magic and get this unit back in top form! This unit has a 1U rack space under the head unit, which is a nice touch!   Let’s…

Ampeg BA115 Bass Combo Amp Repair

Mysteriously, this modern Ampeg bass combo amp quit working.  Could the Unbrokenstring Crew make it right? The unit appears to be completely dead, with power present at the fuse holder.  Let’s go inside to take a look around.   More goodness from St. Louis Music.   This picture documents the wiring polarity on the main…

Kustom KPC15MP Powered Monitor Repair and Refurbishment

This powered monitor/PA box was badly abused but could become the basis for a good keyboard amp.  Could the Unbrokenstring Crew put it back together and make it gig-worthy? All of the parts are here, but they are rattling around inside.  Electrically, it worked, but the third-world construction techniques rendered the unit worthless for loading…