Peavey 5150 / 6505 Mods
Clarity, metal, bias, channel switching, and the mods that made FJA famous in the high-gain world.
Clarity mod — More usable clean, less lead hiss, tighter overall tone with more clarity and less saturation. Bigger, tighter bottom and better low-volume tones. Includes basic bias mod.
Bias mod with test points — Two bias test points to measure each pair of power tubes with an external bias pot.
60 watt Metal mod w/ EL34 switching — Bone-crushing metal at lower volume; switch between 2× EL34 or 2× 6L6. Includes external bias pot with test points, Clarity mod, custom OT, custom choke, and FJA punch/dynamics mods.
Prices may be outdated. Confirm before booking. See also 5150II / 6505+ mods.
Featured mods
| Mod | Price |
|---|---|
| 120 watt Metal mod | $1095 (w/ Mercury $1295) |
| 60 watt Metal mod | $1095 (w/ Mercury $1295) |
| 60 watt Metal mod w/ EL34 switching | $1095 |
| Clarity mod | $795 (includes basic bias mod) |
| 3 channel mod | $825 |
Mod options
| Push/pull gain boost | $75 installed |
| Custom output transformer | $395 (Mercury $425) |
| Custom choke | $150 (Mercury $175) |
| Basic bias mod | $160 (external pot $190) |
| Bias mod w/ 2 test points + external pot | $225 |
| Adjustable NR circuit — lead channel | $225 |
| EQ mid sweep · tone shift | $100 each |
| Foot switchable solo boost | $295 and up |
| IEC power jack | $95 w/ cord |