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[billyjack669]

• NAD - Harmony L3500? - weird time period / anybody know this thing? by billyjack669
  [Today at 12:20:52 PM]
• Some new relays to play with by saturated
  [June 14, 2025, 02:50:13 PM]
• 1986 Marshall 100 Lead Mosfet Troubleshooting by g1
  [June 12, 2025, 10:48:00 AM]
• Looking for full schematics of Randall RH100/RH200 and Peavey XXL by Tassieviking
  [June 12, 2025, 10:41:20 AM]
• Need schematic for Kay 761 combo by dmeek
  [June 09, 2025, 09:48:21 PM]

Light Bulb Limiter

Started by J M Fahey

Pages1 2 3 ... 5

Replies: 72
Views: 266,954

January 02, 2025, 01:43:16 PM
by DrGonz78

Heatsinks for your poweramp

Started by joecool85

Pages1 2 3 ... 6

Replies: 81
Views: 409,980

March 26, 2024, 04:34:51 PM
by JonnyDeth

Watts vs Volume (db)

Started by joecool85

Pages1 2 3 4

Replies: 46
Views: 261,750

March 26, 2024, 04:22:59 PM
by JonnyDeth

Safety Tips

Started by Joe

Pages1 2

Replies: 17
Views: 102,533

August 16, 2021, 11:59:18 PM
by 66cccfff

Grounding techniques

Started by teemuk

Pages1 2 3

Replies: 32
Views: 179,435

February 05, 2019, 12:05:18 PM
by flester

Teemuk's Book about solid-state guitar amplifiers

Started by joecool85

Replies: 0
Views: 66,269

July 14, 2016, 09:09:23 PM
by joecool85

Power amps - and power supplies

Started by R.G.

Pages1 2

Replies: 28
Views: 168,044

December 27, 2014, 01:38:29 PM
by J M Fahey

"Fatboy Effects" by Ricky Don Vance (RDV)

Started by joecool85

Replies: 9
Views: 649,841

April 12, 2012, 12:34:34 PM
by joecool85

General Chipamp Info

Started by RDV

Replies: 1
Views: 87,814

February 17, 2009, 08:55:11 AM
by J M Fahey

NAD - Harmony L3500? - weird time period / anybody know this thing?

Started by billyjack669

Replies: 6
Views: 165

Today at 12:20:52 PM
by billyjack669

Vintage Roland JC 120 Jazz Chorus Repair Input Jacks???

Started by ZoundsOK

Replies: 3
Views: 2,103

May 28, 2025, 06:51:47 PM
by J M Fahey

Looking for higher res Crate GX-65 Schematic

Started by billyjack669

Replies: 12
Views: 3,456

May 19, 2025, 04:00:59 PM
by billyjack669

amaha G-100 Head

Started by galvinfreeman

Replies: 2
Views: 1,189

May 16, 2025, 08:55:11 PM
by Jazz P Bass

WEM PA100 DC Offset

Started by stratfordade

Pages1 2

Replies: 18
Views: 4,142

May 13, 2025, 07:29:26 AM
by stratfordade

Marshall 2199 Master Lead Combo 30 Capacitor Replacement

Started by luke gibson

Pages1 2

Replies: 21
Views: 17,509

May 12, 2025, 01:55:20 AM
by GeorgA

Set bias on Randall RB100 amp?

Started by Axtman

Replies: 3
Views: 1,288

May 05, 2025, 11:09:35 PM
by DrGonz78

Ampeg BA115HP buzz caused by DC on output

Started by stratfordade

Replies: 2
Views: 1,128

May 01, 2025, 08:30:21 AM
by stratfordade

Acoustic 470 transistor subsitution

Started by Axtman

Replies: 5
Views: 1,531

April 30, 2025, 06:03:58 PM
by dmeek

kustom k200b repair

Started by maxk

Replies: 8
Views: 2,024

April 28, 2025, 03:04:23 PM
by maxk

Pignose amp design history

Started by TooTall

Replies: 3
Views: 2,682

April 16, 2025, 09:01:45 PM
by Tim Escobedo