Technical Discussion

Moderators: pompeiisneaks, Colossal

New Topic

13790 topics

Page 26 of 276
- Jump to page:
Previous
1
…
24
25
26
27
28
…
276
Next

Announcements

Replies

Views

Last post

FACEBOOK GROUP FOR EMERGENCY MEETUP

Last post by johnnyreece « Fri Oct 17, 2025 12:35 pm
Posted in Garage Talk
Replies: 3
by xtian » Thu Oct 16, 2025 4:51 pm » in Garage Talk

3 Replies

4723 Views

Last post by johnnyreece
Fri Oct 17, 2025 12:35 pm

Topics

Replies

Views

Last post

Component type choices (Novice question)

Last post by JPK64 « Sat Nov 19, 2022 3:30 pm
Replies: 5
by Saccadelic » Wed Nov 16, 2022 1:15 pm

5 Replies

919 Views

Last post by JPK64
Sat Nov 19, 2022 3:30 pm
Humming devilles

Last post by CosmoK « Sat Nov 19, 2022 8:38 am
Replies: 11
by CosmoK » Fri Nov 18, 2022 9:55 am

11 Replies

974 Views

Last post by CosmoK
Sat Nov 19, 2022 8:38 am
Vibroverb 64 issue

Last post by bepone « Sat Nov 19, 2022 4:38 am
Replies: 5
by sbirkenstock » Sat Nov 19, 2022 12:13 am

5 Replies

1147 Views

Last post by bepone
Sat Nov 19, 2022 4:38 am
New Build Issues

Last post by dorrisant « Fri Nov 18, 2022 8:35 pm
Replies: 21
by dorrisant » Fri Oct 14, 2022 8:19 pm
1

2
21 Replies

2250 Views

Last post by dorrisant
Fri Nov 18, 2022 8:35 pm
Squawk box speaker issues

Last post by angelodp « Fri Nov 18, 2022 4:44 pm
Replies: 7
by angelodp » Wed Nov 16, 2022 9:17 pm

7 Replies

988 Views

Last post by angelodp
Fri Nov 18, 2022 4:44 pm
Traynor MK3 YGL-3A issues

Last post by Phil_S « Wed Nov 16, 2022 3:28 pm
Replies: 4
by dorrisant » Thu Oct 04, 2012 3:56 am

4 Replies

1465 Views

Last post by Phil_S
Wed Nov 16, 2022 3:28 pm
18w TMB PrePI Master Resistance Value

Last post by bgkyt1 « Tue Nov 15, 2022 7:22 pm
Replies: 5
by bgkyt1 » Tue Nov 15, 2022 6:15 pm

5 Replies

800 Views

Last post by bgkyt1
Tue Nov 15, 2022 7:22 pm
Converting a Stromberg Carlson AU34 to an Ampeg B15

Last post by Marco17 « Tue Nov 15, 2022 4:11 pm
Replies: 4
by Marco17 » Fri Nov 11, 2022 6:28 pm

4 Replies

684 Views

Last post by Marco17
Tue Nov 15, 2022 4:11 pm
voodoo vibe roger mayer problem

Last post by R.G. « Tue Nov 15, 2022 1:01 am
Replies: 5
by grtamp » Fri Nov 11, 2022 10:59 am

5 Replies

1366 Views

Last post by R.G.
Tue Nov 15, 2022 1:01 am
Blackface Vibroverb footpedal

Last post by angelodp « Sat Nov 12, 2022 4:11 pm
Replies: 3
by angelodp » Fri Nov 11, 2022 5:26 pm

3 Replies

452 Views

Last post by angelodp
Sat Nov 12, 2022 4:11 pm
Dr. Z Galaxie

Last post by kev02 « Sat Nov 12, 2022 6:23 am
Replies: 25
by jon » Thu Jun 20, 2013 11:03 am
1

2
25 Replies

8911 Views

Last post by kev02
Sat Nov 12, 2022 6:23 am
Traynor YBA-1A Ground switch/hum even with a 3 prong cord...?

Last post by GerryJ « Sat Nov 12, 2022 3:08 am
Replies: 20
by GerryJ » Wed Nov 02, 2022 1:16 am
1

2
20 Replies

2460 Views

Last post by GerryJ
Sat Nov 12, 2022 3:08 am
Ground lift question.

Last post by dragonbat13 « Thu Nov 10, 2022 8:54 pm
Replies: 22
by dragonbat13 » Thu Nov 10, 2022 1:14 am
1

2
22 Replies

2266 Views

Last post by dragonbat13
Thu Nov 10, 2022 8:54 pm
Preamp Safety Measures (Incorrect Transformer Input Wiring)

Last post by R.G. « Thu Nov 10, 2022 12:39 am
Replies: 12
by Greenback25 » Tue Nov 08, 2022 1:06 am

12 Replies

2545 Views

Last post by R.G.
Thu Nov 10, 2022 12:39 am
Does anyone know the Rockerverb's OT specs?

Last post by Nickerz « Wed Nov 09, 2022 4:18 am
Replies: 4
by Nickerz » Tue Nov 08, 2022 5:29 pm

4 Replies

751 Views

Last post by Nickerz
Wed Nov 09, 2022 4:18 am
5f2 but with two channel

Last post by LOUDthud « Tue Nov 08, 2022 4:25 am
Replies: 9
by Mikante » Sun Nov 06, 2022 12:04 am

9 Replies

1343 Views

Last post by LOUDthud
Tue Nov 08, 2022 4:25 am
Presence Circuit and Shunt Resistor

Last post by martin manning « Thu Nov 03, 2022 4:30 pm
Replies: 13
by FourT6and2 » Mon Oct 31, 2022 11:00 pm

13 Replies

2334 Views

Last post by martin manning
Thu Nov 03, 2022 4:30 pm
B&H 179 schematic question

Last post by angelodp « Thu Nov 03, 2022 3:30 am
Replies: 15
by angelodp » Sun Oct 30, 2022 8:37 pm
1

2
15 Replies

1500 Views

Last post by angelodp
Thu Nov 03, 2022 3:30 am
Jenson B&H connector

Last post by maxkracht « Tue Nov 01, 2022 1:12 pm
Replies: 6
by angelodp » Sat Oct 29, 2022 10:54 pm

6 Replies

734 Views

Last post by maxkracht
Tue Nov 01, 2022 1:12 pm
NFB design for high gain ECC99 PP amp

Last post by xtian « Tue Nov 01, 2022 2:33 am
Replies: 1
by Henkiepenkie1234 » Tue Nov 01, 2022 12:43 am

1 Replies

578 Views

Last post by xtian
Tue Nov 01, 2022 2:33 am
Jim Kelley Amps Info wanted

Last post by Mark « Sat Oct 29, 2022 7:03 am
Replies: 31
by Runaway J » Thu Aug 28, 2008 8:30 pm
1

2

3
31 Replies

14578 Views

Last post by Mark
Sat Oct 29, 2022 7:03 am
SLO clone elevated heaters + regulated supply

Last post by frusciante89 « Fri Oct 28, 2022 4:10 pm
Replies: 4
by frusciante89 » Mon Oct 17, 2022 12:14 pm

4 Replies

1390 Views

Last post by frusciante89
Fri Oct 28, 2022 4:10 pm
How do supply voltages affect power tube performance?

Last post by Magnatron « Fri Oct 28, 2022 1:14 am
Replies: 37
by Magnatron » Mon Oct 24, 2022 12:43 pm
1

2

3
37 Replies

4832 Views

Last post by Magnatron
Fri Oct 28, 2022 1:14 am
Old Traynor YBA Mk 2, transient silence

Last post by LOUDthud « Thu Oct 27, 2022 9:18 pm
Replies: 4
by GerryJ » Thu Oct 27, 2022 2:52 pm

4 Replies

644 Views

Last post by LOUDthud
Thu Oct 27, 2022 9:18 pm
JCM2000 DSL100 bias drift issue

Last post by martin manning « Thu Oct 27, 2022 11:11 am
Replies: 3
by atsares » Wed Oct 26, 2022 8:48 am

3 Replies

1662 Views

Last post by martin manning
Thu Oct 27, 2022 11:11 am
New Project - Is Potato

Last post by johnnyreece « Wed Oct 26, 2022 4:03 pm
Replies: 26
by johnnyreece » Thu May 19, 2022 2:08 pm
1

2
26 Replies

5511 Views

Last post by johnnyreece
Wed Oct 26, 2022 4:03 pm
Wire Gauge Used In OP & PTs?

Last post by johnnyreece « Wed Oct 26, 2022 4:01 pm
Replies: 2
by Pollys13a » Wed Oct 26, 2022 2:34 pm

2 Replies

473 Views

Last post by johnnyreece
Wed Oct 26, 2022 4:01 pm
No Load pot for Type 3 PPIMV

Last post by Chris Brown « Fri Oct 21, 2022 7:49 pm

by Chris Brown » Fri Oct 21, 2022 7:49 pm

0 Replies

87600 Views

Last post by Chris Brown
Fri Oct 21, 2022 7:49 pm
Reverb Tank ID?

Last post by Stevem « Thu Oct 20, 2022 10:51 pm
Replies: 15
by Oddvar R » Fri May 07, 2021 8:17 am
1

2
15 Replies

2194 Views

Last post by Stevem
Thu Oct 20, 2022 10:51 pm
R.G. Keen ne-2 bulb transformer test

Last post by martin manning « Thu Oct 20, 2022 4:16 pm
Replies: 12
by Charlie Wilson » Tue Oct 18, 2022 12:10 am

12 Replies

2780 Views

Last post by martin manning
Thu Oct 20, 2022 4:16 pm
Matchless DC30 screen grid and bias resistor values?

Last post by Roe « Wed Oct 19, 2022 8:42 am
Replies: 26
by Ledvedder5150 » Sat Oct 01, 2022 2:57 am
1

2
26 Replies

4215 Views

Last post by Roe
Wed Oct 19, 2022 8:42 am
Long-tail pair phase inverter

Last post by roberto « Tue Oct 18, 2022 7:45 am
Replies: 1
by jcool666 » Mon Oct 17, 2022 7:55 pm

1 Replies

1048 Views

Last post by roberto
Tue Oct 18, 2022 7:45 am
Vacuum tube supply

Last post by johnnyreece « Mon Oct 17, 2022 1:29 pm
Replies: 4
by martin manning » Sun Oct 16, 2022 7:29 pm

4 Replies

932 Views

Last post by johnnyreece
Mon Oct 17, 2022 1:29 pm
effect on bright cap valu on mids...

Last post by hebaton « Sun Oct 16, 2022 9:10 pm
Replies: 8
by hebaton » Sat Oct 15, 2022 7:29 am

8 Replies

1336 Views

Last post by hebaton
Sun Oct 16, 2022 9:10 pm
Transformer amperage question

Last post by LOUDthud « Fri Oct 14, 2022 4:10 am
Replies: 4
by bschifke » Thu Oct 13, 2022 3:10 pm

4 Replies

891 Views

Last post by LOUDthud
Fri Oct 14, 2022 4:10 am
A baritone guitar amplification system thats a bit different

Last post by xtian « Thu Oct 13, 2022 3:54 pm
Replies: 8
by pjd3 » Sun Aug 29, 2021 2:05 pm

8 Replies

2153 Views

Last post by xtian
Thu Oct 13, 2022 3:54 pm
burned HT fues / Low heater voltage

Last post by didit « Wed Oct 12, 2022 8:38 pm
Replies: 6
by sbirkenstock » Sun Oct 09, 2022 11:01 am

6 Replies

1087 Views

Last post by didit
Wed Oct 12, 2022 8:38 pm
More Twin Schematics

Last post by dorrisant « Wed Oct 12, 2022 5:59 pm
Replies: 2
by Ten Over » Tue Oct 11, 2022 10:17 pm

2 Replies

641 Views

Last post by dorrisant
Wed Oct 12, 2022 5:59 pm
What is the actual lineage of the Fender Model T RI? Is it Fender\Marshall or Soldanian?

Last post by Nickerz « Wed Oct 12, 2022 1:35 am
Replies: 4
by Nickerz » Wed Oct 05, 2022 7:02 pm

4 Replies

1560 Views

Last post by Nickerz
Wed Oct 12, 2022 1:35 am
More Twin Reverb Schematics and Layouts

Last post by Ten Over « Tue Oct 11, 2022 10:04 pm

by Ten Over » Tue Oct 11, 2022 10:04 pm

0 Replies

33566 Views

Last post by Ten Over
Tue Oct 11, 2022 10:04 pm
1974 Twin Reverb Schematic and Layout

Last post by dorrisant « Tue Oct 11, 2022 2:36 pm
Replies: 2
by Ten Over » Sun Oct 09, 2022 7:46 pm

2 Replies

935 Views

Last post by dorrisant
Tue Oct 11, 2022 2:36 pm
What do R and C stand for in schematics?

Last post by pompeiisneaks « Mon Oct 10, 2022 9:39 pm
Replies: 18
by thinkingchicken » Mon Oct 10, 2022 3:12 am
1

2
18 Replies

3977 Views

Last post by pompeiisneaks
Mon Oct 10, 2022 9:39 pm
Dumble ODS #124 Low Phase Inverter Voltages

Last post by martin manning « Mon Oct 10, 2022 8:52 pm
Replies: 9
by TimDude » Mon Oct 10, 2022 1:43 pm

9 Replies

1434 Views

Last post by martin manning
Mon Oct 10, 2022 8:52 pm
Noise after mod

Last post by hebaton « Sun Oct 09, 2022 8:35 pm
Replies: 7
by hebaton » Fri Oct 07, 2022 2:21 pm

7 Replies

1415 Views

Last post by hebaton
Sun Oct 09, 2022 8:35 pm
Matchless HC30 clone mods?

Last post by Faze « Sun Oct 09, 2022 6:30 pm
Replies: 17
by Ledvedder5150 » Sun Oct 02, 2022 6:23 pm
1

2
17 Replies

3572 Views

Last post by Faze
Sun Oct 09, 2022 6:30 pm
Finished Tweed Twin - Input Jacks Connected?

Last post by LOUDthud « Sun Oct 09, 2022 7:12 am
Replies: 4
by Stovemananon » Sat Oct 08, 2022 2:37 pm

4 Replies

1020 Views

Last post by LOUDthud
Sun Oct 09, 2022 7:12 am
What makes high gain amps to have higher voltage gain thus higher peak dB gain?

Last post by thetragichero « Sat Oct 08, 2022 8:33 pm
Replies: 32
by thinkingchicken » Thu Oct 06, 2022 10:43 am
1

2

3
32 Replies

5584 Views

Last post by thetragichero
Sat Oct 08, 2022 8:33 pm
Amp is a bit buzzy, could use some advice

Last post by alnight « Fri Oct 07, 2022 7:21 pm
Replies: 18
by alnight » Fri Sep 16, 2022 4:49 pm
1

2
18 Replies

3195 Views

Last post by alnight
Fri Oct 07, 2022 7:21 pm
POwer loss

Last post by Stevem « Wed Oct 05, 2022 4:33 pm
Replies: 3
by hebaton » Wed Oct 05, 2022 12:49 pm

3 Replies

567 Views

Last post by Stevem
Wed Oct 05, 2022 4:33 pm
How to find the peak decibel gain of the highest gain channel of a high gain amp?

Last post by thinkingchicken « Tue Oct 04, 2022 12:37 pm
Replies: 94
by thinkingchicken » Wed Sep 28, 2022 2:24 pm
1

…

3

4

5

6

7
94 Replies

13106 Views

Last post by thinkingchicken
Tue Oct 04, 2022 12:37 pm

New Topic

13790 topics

Page 26 of 276
- Jump to page:
Previous
1
…
24
25
26
27
28
…
276
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum