Preamps and Effects

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• Old screw in fuse holder cap by g1
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• Vox Micro Superbeetle Guitar - 20 watts of mini-sized maximum sound! by joecool85
  [November 28, 2025, 06:40:40 PM]
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"J20" (K-20X Preamp, only OD and with 071 instead of 072)

Started by joecool85

Pages1 2 3 4

Replies: 58
Views: 85,893

March 17, 2020, 07:15:57 AM
by joecool85

LND150 Jose style preamp

Started by Zozobra

Replies: 5
Views: 17,704

September 04, 2019, 05:27:11 AM
by Zozobra

Randall RG100es preamp in a pedal?

Started by jarrodthebobo

Replies: 0
Views: 8,381

August 26, 2019, 12:40:02 PM
by jarrodthebobo

Rechargeable 9v batteries for fx pedals

Started by flester

Replies: 2
Views: 10,921

July 07, 2019, 04:11:22 AM
by flester

implementing presets

Started by jon_bondy

Replies: 6
Views: 13,130

June 22, 2019, 03:18:07 PM
by jon_bondy

Noisy EFF board from a Roland JC-120G

Started by Phil_Pop

Replies: 1
Views: 9,829

April 16, 2019, 01:58:30 PM
by joecool85

noisy preamp

Started by cbg Rick

Replies: 6
Views: 12,605

February 16, 2019, 10:50:58 AM
by cbg Rick

Aion lab series l5

Started by swt

Replies: 7
Views: 13,309

January 15, 2019, 09:09:43 PM
by swt

Strange pedal issue

Started by flester

Replies: 8
Views: 14,300

November 11, 2018, 06:02:11 AM
by flester

Nice: op-amp swap on Yamaha FX-500 processor.

Started by Kaz Kylheku

Replies: 5
Views: 15,642

October 15, 2018, 09:34:40 AM
by 66cccfff

Seized pots on a Marshall Guvnor Mk 1

Started by psafloyd

Replies: 6
Views: 14,475

August 14, 2018, 01:14:03 PM
by psafloyd

Chorus Pedal Help

Started by jammy5152

Replies: 3
Views: 10,063

June 30, 2018, 06:08:45 PM
by jammy5152

DOD 490 Phasor Pedal Schematic

Started by jammy5152

Replies: 0
Views: 8,991

June 26, 2018, 09:33:27 AM
by jammy5152

Increasing power supply to ROG's Umble - any harm?

Started by Aleksandar

Replies: 3
Views: 11,275

May 06, 2018, 01:40:12 AM
by Loudthud

Confusion about Brian Wampler’s modified MXR Distortion Plus

Started by SurreyNick

Pages1 2

Replies: 16
Views: 26,160

March 18, 2018, 11:28:59 AM
by SurreyNick

Fixing an Re-201 Roland Space Echo

Started by dropanchor812

Replies: 4
Views: 14,083

February 11, 2018, 06:27:46 AM
by phatt

Fet version of the JCM800

Started by KMG

Pages1 2 3 ... 5

Replies: 63
Views: 148,904

January 09, 2018, 01:33:18 PM
by Katoda

Active pickupa

Started by flester

Replies: 3
Views: 12,711

January 07, 2018, 03:44:45 PM
by flester

Designing that OP-Amp OR15-soundalike

Started by BluesBerto

Replies: 6
Views: 13,428

November 02, 2017, 11:15:53 PM
by Loudthud

Compressor Mods

Started by phatt

Pages1 2 3

Replies: 32
Views: 46,469

October 18, 2017, 01:36:27 AM
by tarahall