Category: Amplifier Kits
Mojotone Princeton Reverb Clone
YouTuber ecauble posted this nice video showing his MojoTone Blackface Princeton Reverb Style Amp kit. The video also features some of his effects pedals, including a Proton envelope filter, BYOC octave divider, Keeley TS9, and Fulltone DejaVibe, and a BYOC 5-knob compressor. Mojo’s Blackface Princeton Reverb Style Amp Kit features JJ tubes (2 6V6 output, [...]
Amplifier Kits Directory
This is Guitar Kit Builder’s directory of amplifier kits. We try to maintain a comprehensive list of kit makers and sources so please let us know of any needed additions or changes by emailing us at editor at guitarkitbuilder dot com. To read our articles about building these kits please click on the category of [...]
From Our Mailbag: Repairing a Roland Cube 80XL
“Hi GKB, I know you are featuring work on the micro cube but wonder if you would have a thought regarding a problem I’m having with the COSM switch on my Roland Cube 80XL. The switch doubles as a tuner which works just fine, but after a bumpy ride to a gig, the amp model [...]
From Our Mailbag: Question on the MOD 102 Amp Kit
GKB reader Dave F. wrote to ask the following about our review of the MOD 102 amplifier kit and the modification made by Casey4S: “Wow that is really cool how you made the chassis and the fantastic building skills. My question concerns the use of the grounding jack where you stated … “I used a [...]
Mojo Marshall-Style 18 Watt Amplifier Kit Review
The increased popularity of smaller amps, which can be cranked for great saturated tone without entirely drowning out one’s bandmates or for studio use where higher volume levels aren’t ideal, has lead to renewed interest in classic models such as the Marshall 18 watt. This amplifier was initially produced from 1966-1968 in three versions: the [...]
From The Mailbag: Marshall Valvestate VS265 Repair
GKB reader Lucas B. from Lima, Peru wrote us to ask for some help with his Marshall Valvestate VS 265. If you’re not familiar with it, the VS 265 is a two-channel 65-watt combo amplifier with reverb and chorus. Here is Lucas’ question: Hello! I have a Marshall Valvestate VS 265 and I’ve opened it [...]
Custom-Built 4×10 Guitar Speaker Cabinet
Part-time custom builder Tommy Wright (tommyw68) posted this very nice video of how he built a 4×10 guitar speaker cabinet for use with a Gallien-Krueger GK250ML amplifier. He used Celestion speakers and blue python tolex. The cabinet measures 29″ x 29″ x 12″ and uses 3/4″ birch plywood.
Kit Review: MOD 102 DIY Guitar Amplifier Kit
The MOD 102 guitar amplifier is a low-cost ($215) vacuum-tube kit sold by Amplified Parts of Tempe, AZ. The kit uses a 12AX7 preamplifier tube, and a single EL84 output tube with solid state diodes for power rectification. The amplifier is rated to deliver 5 watts into an 8-ohm load. SCHEMATIC REVIEW Referring to the [...]
Amp Maker SL-18 18W SuperLite TMB Amp Demo
Here’s a video demo of the SL-18 18W SuperLite TMB (treble, middle, bass) amplifier kit from Amp Maker. The SL-18 kit combines Amp Maker’s PP-18 18-watt kit with the SE-5A preamp to deliver a kit with more preamp gain, treble, middle and bass controls, and a master volume for balancing preamp vs amp overdrive. The [...]
DIY Two-Button Guitar Amplifier Footswitch
Here’s a simple video demonstration of a do-it-yourself guitar amplifier footswitch, designed to replicate a Vox VFS-2 (2-button, no LED) model. While this footswitch model is intended to be used with Vox amps such as AD15/30/50/100VT, AD100VTH and V9168R, it should work with many other guitar amplifiers as well. The project uses a 1/4 inch [...]
