Technical Discussion

Moderators: pompeiisneaks, Colossal

New Topic

13790 topics

Page 6 of 276
- Jump to page:
Previous
1
…
4
5
6
7
8
…
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

464 Views

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

Topics

Replies

Views

Last post

Is this a Resonance circuit?

Last post by maxkracht « Tue Apr 22, 2025 6:27 pm
Replies: 3
by Cartman » Tue Apr 22, 2025 2:50 pm

3 Replies

704 Views

Last post by maxkracht
Tue Apr 22, 2025 6:27 pm
Bias sensing resistors - aren’t?

Last post by Raoul Duke « Mon Apr 21, 2025 10:23 pm
Replies: 27
by Raoul Duke » Sat Apr 19, 2025 9:26 pm
1

2
27 Replies

9195 Views

Last post by Raoul Duke
Mon Apr 21, 2025 10:23 pm
B+ and Filtering for Marshall Mod

Last post by FourT6and2 « Mon Apr 21, 2025 4:52 pm
Replies: 6
by FourT6and2 » Sun Apr 20, 2025 6:37 pm

6 Replies

954 Views

Last post by FourT6and2
Mon Apr 21, 2025 4:52 pm
Line-Level Spring Reverb Unit...anyone built one?

Last post by nuke « Sun Apr 20, 2025 10:50 pm
Replies: 16
by lonote » Sun Mar 02, 2025 7:04 pm
1

2
16 Replies

3172 Views

Last post by nuke
Sun Apr 20, 2025 10:50 pm
A most unusual triode circuit

Last post by Mark « Sun Apr 20, 2025 5:07 am
Replies: 16
by Mark » Mon Apr 14, 2025 11:04 am
1

2
16 Replies

3297 Views

Last post by Mark
Sun Apr 20, 2025 5:07 am
Another EF80 practice amp build

Last post by GrayDigger « Sat Apr 19, 2025 10:51 pm
Replies: 11
by GrayDigger » Wed Apr 02, 2025 9:13 pm

11 Replies

1914 Views

Last post by GrayDigger
Sat Apr 19, 2025 10:51 pm
reverb circuit causing distortion in entire amp

Last post by xenrelic « Sat Apr 19, 2025 6:54 am
Replies: 9
by pula58 » Sat Jun 30, 2012 2:06 am

9 Replies

3284 Views

Last post by xenrelic
Sat Apr 19, 2025 6:54 am
Finished my Matchless HotBox Build (Finally)

Last post by RadioComm « Fri Apr 18, 2025 9:55 pm
Replies: 4
by RadioComm » Fri Apr 04, 2025 8:44 pm

4 Replies

1145 Views

Last post by RadioComm
Fri Apr 18, 2025 9:55 pm
Field Coil Speaker Test Bed?

Last post by johnnyreece « Fri Apr 18, 2025 12:46 pm
Replies: 6
by johnnyreece » Thu Apr 17, 2025 3:55 pm

6 Replies

885 Views

Last post by johnnyreece
Fri Apr 18, 2025 12:46 pm
Gibson GA20 VRT.

Last post by Mixfish « Thu Apr 17, 2025 7:00 pm
Replies: 13
by Mixfish » Fri Apr 11, 2025 6:40 pm

13 Replies

2523 Views

Last post by Mixfish
Thu Apr 17, 2025 7:00 pm
Gibson EH 150

Last post by Murrayatuptown « Wed Apr 16, 2025 7:59 am
Replies: 27
by aabbs20 » Wed Mar 25, 2015 3:04 pm
1

2
27 Replies

9227 Views

Last post by Murrayatuptown
Wed Apr 16, 2025 7:59 am
Faux ground locations for 6.3v heaters

Last post by trobbins « Mon Apr 14, 2025 7:39 am
Replies: 20
by pjd3 » Wed Apr 09, 2025 3:23 pm
1

2
20 Replies

3215 Views

Last post by trobbins
Mon Apr 14, 2025 7:39 am
Hiwatt Lead L50R Buzz

Last post by mhuss « Thu Apr 10, 2025 7:53 pm
Replies: 3
by psychic fuzz » Thu Apr 10, 2025 1:12 pm

3 Replies

598 Views

Last post by mhuss
Thu Apr 10, 2025 7:53 pm
Tone control placement

Last post by solderhead « Thu Apr 10, 2025 12:22 am
Replies: 6
by Cartman » Tue Apr 08, 2025 9:01 pm

6 Replies

773 Views

Last post by solderhead
Thu Apr 10, 2025 12:22 am
novelty RCA plug indicator

Last post by maxkracht « Mon Apr 07, 2025 8:28 pm
Replies: 25
by maxkracht » Fri Jun 11, 2021 5:26 am
1

2
25 Replies

9143 Views

Last post by maxkracht
Mon Apr 07, 2025 8:28 pm
one cathode two tone stacks ?

Last post by phillyhudson « Sun Apr 06, 2025 2:46 pm
Replies: 4
by phillyhudson » Sun Apr 06, 2025 9:44 am

4 Replies

596 Views

Last post by phillyhudson
Sun Apr 06, 2025 2:46 pm
Reverb tone

Last post by Stevem « Sun Apr 06, 2025 10:14 am
Replies: 6
by Stevem » Sat Apr 05, 2025 12:57 pm

6 Replies

765 Views

Last post by Stevem
Sun Apr 06, 2025 10:14 am
Good Mods for Harp Amp Designs

Last post by arnenym « Sun Apr 06, 2025 9:34 am
Replies: 4
by Magnatron » Wed Apr 03, 2024 5:09 pm

4 Replies

1247 Views

Last post by arnenym
Sun Apr 06, 2025 9:34 am
Sound clips of resistor types

Last post by R.G. « Sat Apr 05, 2025 11:25 pm
Replies: 23
by cdemike » Sun Mar 30, 2025 6:52 pm
1

2
23 Replies

2557 Views

Last post by R.G.
Sat Apr 05, 2025 11:25 pm
Mojotone NC3015 Debugging help

Last post by B Ingram « Sat Apr 05, 2025 2:37 pm
Replies: 19
by _ej_ » Thu Apr 03, 2025 3:18 am
1

2
19 Replies

1967 Views

Last post by B Ingram
Sat Apr 05, 2025 2:37 pm
D.C. heaters and tube life

Last post by martin manning « Sat Apr 05, 2025 12:14 pm
Replies: 9
by TUBEDUDE » Thu Apr 03, 2025 1:37 pm

9 Replies

1214 Views

Last post by martin manning
Sat Apr 05, 2025 12:14 pm
Running DC heaters at the same time as elevating AC heaters

Last post by danman « Sat Apr 05, 2025 2:19 am
Replies: 6
by xxmicrocutsxx » Wed Mar 26, 2025 10:12 pm

6 Replies

1011 Views

Last post by danman
Sat Apr 05, 2025 2:19 am
Need a solution for Vibro Champ style bias wiggle tremolo

Last post by maxkracht « Sat Apr 05, 2025 2:05 am
Replies: 1
by ODSChamp » Fri Apr 04, 2025 7:22 pm

1 Replies

338 Views

Last post by maxkracht
Sat Apr 05, 2025 2:05 am
Fender Super Champ XD SCXD mods

Last post by xtian « Fri Apr 04, 2025 7:55 pm
Replies: 6
by xtian » Fri Jan 06, 2012 11:11 pm

6 Replies

8017 Views

Last post by xtian
Fri Apr 04, 2025 7:55 pm
Weird warmup question heater->B+ delay

Last post by dmoose5835 « Fri Apr 04, 2025 5:26 pm
Replies: 8
by dmoose5835 » Sun Mar 30, 2025 10:30 pm

8 Replies

982 Views

Last post by dmoose5835
Fri Apr 04, 2025 5:26 pm
Mojotone NC3015 Grounding Advice

Last post by R.G. « Thu Apr 03, 2025 3:12 pm
Replies: 10
by _ej_ » Mon Mar 31, 2025 4:48 pm

10 Replies

952 Views

Last post by R.G.
Thu Apr 03, 2025 3:12 pm
Name this valve?

Last post by Mark « Wed Apr 02, 2025 9:34 pm
Replies: 3
by Mark » Wed Apr 02, 2025 3:46 am

3 Replies

494 Views

Last post by Mark
Wed Apr 02, 2025 9:34 pm
Specs for OT 784-139

Last post by dragstar1972 « Wed Apr 02, 2025 6:40 pm
Replies: 17
by flatart » Thu Feb 25, 2010 8:37 am
1

2
17 Replies

19624 Views

Last post by dragstar1972
Wed Apr 02, 2025 6:40 pm
Blues Junior Reverb Hum

Last post by woodrow f call « Tue Apr 01, 2025 11:01 pm
Replies: 30
by woodrow f call » Sat Mar 29, 2025 3:36 pm
1

2

3
30 Replies

2455 Views

Last post by woodrow f call
Tue Apr 01, 2025 11:01 pm
silvertone 1484 reverb pan repair notes:

Last post by soundmasterg « Tue Apr 01, 2025 9:48 pm
Replies: 35
by nuke » Fri Mar 14, 2025 8:43 am
1

2

3
35 Replies

4357 Views

Last post by soundmasterg
Tue Apr 01, 2025 9:48 pm
Repair/restore my Sprague Tel-Ohmike help needed.

Last post by dragonbat13 « Tue Apr 01, 2025 1:44 pm
Replies: 19
by dragonbat13 » Tue Mar 18, 2025 1:04 am
1

2
19 Replies

1856 Views

Last post by dragonbat13
Tue Apr 01, 2025 1:44 pm
GT6L6C Power dissipation and max plate voltage

Last post by shattered « Mon Mar 31, 2025 4:28 pm
Replies: 10
by shattered » Sun Mar 23, 2025 5:02 pm

10 Replies

1366 Views

Last post by shattered
Mon Mar 31, 2025 4:28 pm
ampeg b-12-nf speaker wiring

Last post by maxkracht « Sun Mar 30, 2025 10:40 pm
Replies: 4
by maxkracht » Sat Mar 29, 2025 9:05 pm

4 Replies

563 Views

Last post by maxkracht
Sun Mar 30, 2025 10:40 pm
Cheap donor amp for 18watt build

Last post by nuke « Sun Mar 30, 2025 7:14 am
Replies: 12
by _ej_ » Wed Mar 26, 2025 3:16 am

12 Replies

1129 Views

Last post by nuke
Sun Mar 30, 2025 7:14 am
Can a 12AU7 designed clean gain stage be as loud as a 12AX7?

Last post by B Ingram « Sat Mar 29, 2025 5:46 pm
Replies: 28
by GlideOn » Mon Dec 23, 2024 2:50 pm
1

2
28 Replies

3876 Views

Last post by B Ingram
Sat Mar 29, 2025 5:46 pm
Building a valve tester?

Last post by mhuss « Fri Mar 28, 2025 3:38 pm
Replies: 1
by Mark » Fri Mar 28, 2025 3:32 am

1 Replies

583 Views

Last post by mhuss
Fri Mar 28, 2025 3:38 pm
Gibson BR-3 interstage transformer?

Last post by Murrayatuptown « Fri Mar 28, 2025 12:50 am
Replies: 20
by Jerry garrcia » Thu Feb 09, 2023 10:55 pm
1

2
20 Replies

5943 Views

Last post by Murrayatuptown
Fri Mar 28, 2025 12:50 am
Double check my amp mod

Last post by B Ingram « Thu Mar 27, 2025 8:04 am
Replies: 6
by _ej_ » Wed Mar 26, 2025 12:02 am

6 Replies

597 Views

Last post by B Ingram
Thu Mar 27, 2025 8:04 am
Multi-Layer Ceramic Capacitors

Last post by maxkracht « Tue Mar 25, 2025 3:51 pm
Replies: 4
by jazjamr » Tue Mar 25, 2025 12:09 am

4 Replies

736 Views

Last post by maxkracht
Tue Mar 25, 2025 3:51 pm
Introducing my DIY amps.

Last post by psychepool « Tue Mar 25, 2025 8:37 am
Replies: 22
by psychepool » Tue Mar 18, 2025 1:55 am
1

2
22 Replies

2700 Views

Last post by psychepool
Tue Mar 25, 2025 8:37 am
Dumble 102 amp testing

Last post by maxkracht « Mon Mar 24, 2025 9:55 pm
Replies: 11
by desertmouth90 » Thu Mar 20, 2025 4:54 pm

11 Replies

1257 Views

Last post by maxkracht
Mon Mar 24, 2025 9:55 pm
Unusual voltage drop in the bias circuitry.

Last post by pdf64 « Mon Mar 24, 2025 1:59 pm
Replies: 8
by Mark » Mon Mar 24, 2025 3:50 am

8 Replies

749 Views

Last post by pdf64
Mon Mar 24, 2025 1:59 pm
Help me id this Supro.

Last post by galtjunk « Mon Mar 24, 2025 10:33 am
Replies: 2
by galtjunk » Thu Mar 20, 2025 3:12 pm

2 Replies

588 Views

Last post by galtjunk
Mon Mar 24, 2025 10:33 am
Adding a speaker to monitor dummy load

Last post by martin manning « Sun Mar 23, 2025 4:44 pm
Replies: 16
by CAS » Sun Mar 16, 2025 5:33 pm
1

2
16 Replies

1972 Views

Last post by martin manning
Sun Mar 23, 2025 4:44 pm
Fender reissue TR

Last post by Stevem « Sun Mar 23, 2025 12:13 pm
Replies: 42
by Stevem » Wed Mar 05, 2025 10:33 am
1

2

3
42 Replies

5482 Views

Last post by Stevem
Sun Mar 23, 2025 12:13 pm
Crate Vintage Club 30 Oddity

Last post by sheeba « Thu Mar 20, 2025 2:43 pm
Replies: 20
by Flynscot » Thu Aug 15, 2013 5:01 pm
1

2
20 Replies

14763 Views

Last post by sheeba
Thu Mar 20, 2025 2:43 pm
Harmony 525 preamp with parallel triodes

Last post by Masco « Wed Mar 19, 2025 3:12 pm
Replies: 2
by mustardbucket » Tue Mar 18, 2025 2:12 pm

2 Replies

571 Views

Last post by Masco
Wed Mar 19, 2025 3:12 pm
Knight 600 valve emissions tester thoughts?

Last post by Mark « Wed Mar 19, 2025 12:15 pm
Replies: 6
by Mark » Mon Mar 25, 2024 1:38 am

6 Replies

1517 Views

Last post by Mark
Wed Mar 19, 2025 12:15 pm
V1A or V1B for input

Last post by pdf64 « Tue Mar 18, 2025 11:12 pm
Replies: 15
by pjd3 » Sun Mar 16, 2025 3:59 pm
1

2
15 Replies

1740 Views

Last post by pdf64
Tue Mar 18, 2025 11:12 pm
multi-section cap adaptor boards?

Last post by solderhead « Tue Mar 18, 2025 12:45 am
Replies: 15
by nuke » Fri Mar 14, 2025 8:24 am
1

2
15 Replies

2482 Views

Last post by solderhead
Tue Mar 18, 2025 12:45 am

New Topic

13790 topics

Page 6 of 276
- Jump to page:
Previous
1
…
4
5
6
7
8
…
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