| No. | Musical Instrument |
Description | Flags |
| 27 | 100 Watt Guitar Amp (Mk II) |
The new and improved version of the old Project 27 guitar amp. You still need the old one for the cabinet details and such, but the new description and schematics are all here. Preamp (P27B) has been revised, and is now Rev-A. |
13Jan
 |
| 27B | 100 Watt Guitar Amplifier |
The original of the unit above. Retained for posterity, and has the speaker box details (may still be needed for the new version). | 04Jan
|
| 29 | Tremolo Unit |
A versatile guitar effect. This is a simple circuit that gives very good results |
|
| 34 | Guitar Spring Reverb Unit |
A high performance spring reverb unit for guitar amps |
|
| 45 | Simple Bass Guitar Compressor |
An ultra simple compressor, ideally suited for bass guitar. Very simple, but it works very well, and has that really "chunky" sound that many bassists like - one for the experimenter, and really easy to fool about with. Can be used with "ordinary" guitar, too. |
|
| 47 | Vox AC30 Simulator |
Project withdrawn at author's request |
|
| 49 | Guitar Vibrato Unit |
A reasonably simple circuit, with results similar to the famous Vox AC30 guitar amp. Also has a unique Effect control, allowing some interesting sounds. |
|
| 64 | Instrument Graphic Equaliser |
Designed especially as a guitar / bass equaliser, this unit is expandable, and is really a multi-section (23 as shown) tone control. Offering a wide tonal range and great flexibility, it can be adapted to any musical instrument. |
04Aug |
| 92 | Guitar and Bass Sustain Unit |
A compressor/ Limiter for guitar, bass or recorded music. Uses a LED and LDR for low distortion control of the audio level. | 14Jun |
