Technical Discussion

Moderators: pompeiisneaks, Colossal

New Topic

13790 topics

Page 18 of 276
- Jump to page:
Previous
1
…
16
17
18
19
20
…
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

1797 Views

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

Topics

Replies

Views

Last post

Rocket build

Last post by dvbme « Tue Dec 12, 2023 1:58 pm
Replies: 37
by dvbme » Mon Mar 13, 2023 6:47 pm
1

2

3
37 Replies

6837 Views

Last post by dvbme
Tue Dec 12, 2023 1:58 pm
Vishay ceramic cap markings (dull thread alert)

Last post by timrobertson100 « Tue Dec 12, 2023 7:33 am
Replies: 8
by timrobertson100 » Sun Dec 10, 2023 5:03 pm

8 Replies

3563 Views

Last post by timrobertson100
Tue Dec 12, 2023 7:33 am
10 watt Fender Deluxe

Last post by Mikante « Mon Dec 11, 2023 12:16 pm
Replies: 29
by Mikante » Wed Dec 06, 2023 2:06 am
1

2
29 Replies

13809 Views

Last post by Mikante
Mon Dec 11, 2023 12:16 pm
D'lite rocker switch safe rating question

Last post by Stevem « Sun Dec 10, 2023 11:24 am
Replies: 1
by mehfuzhoss » Sat Dec 09, 2023 8:53 pm

1 Replies

1373 Views

Last post by Stevem
Sun Dec 10, 2023 11:24 am
failed diode / PT question

Last post by maxkracht « Sat Dec 09, 2023 5:27 pm
Replies: 12
by studiodunn » Thu Sep 28, 2023 5:34 pm

12 Replies

6445 Views

Last post by maxkracht
Sat Dec 09, 2023 5:27 pm
Just when I thought I had come to understand OT secondaries,,,

Last post by SoulFetish « Fri Dec 08, 2023 9:03 pm
Replies: 25
by pjd3 » Mon Nov 27, 2023 1:40 am
1

2
25 Replies

13869 Views

Last post by SoulFetish
Fri Dec 08, 2023 9:03 pm
OT primaries and heater wire proximity

Last post by xtian « Fri Dec 08, 2023 8:45 pm
Replies: 2
by Ledvedder5150 » Fri Dec 08, 2023 7:45 pm

2 Replies

2123 Views

Last post by xtian
Fri Dec 08, 2023 8:45 pm
AC15HW1X Loud Hum - Help!

Last post by ryanCBFX « Thu Dec 07, 2023 10:23 pm
Replies: 8
by ryanCBFX » Fri Nov 17, 2023 2:08 am

8 Replies

2810 Views

Last post by ryanCBFX
Thu Dec 07, 2023 10:23 pm
Rebuilt Transformers

Last post by katopan « Thu Dec 07, 2023 8:56 pm
Replies: 24
by Reeltarded » Mon Dec 04, 2023 3:03 am
1

2
24 Replies

22476 Views

Last post by katopan
Thu Dec 07, 2023 8:56 pm
Need help: Rob Robinette Bassman Micro Build

Last post by Reeltarded « Wed Dec 06, 2023 7:12 pm
Replies: 14
by Livinloud777 » Mon Dec 04, 2023 10:11 pm

14 Replies

6012 Views

Last post by Reeltarded
Wed Dec 06, 2023 7:12 pm
SWR Grand Prix schematic needed

Last post by oh7hhi « Wed Dec 06, 2023 8:49 am

by oh7hhi » Wed Dec 06, 2023 8:49 am

0 Replies

150946 Views

Last post by oh7hhi
Wed Dec 06, 2023 8:49 am
Looking For Amp Transformers

Last post by Reeltarded « Wed Dec 06, 2023 3:50 am
Replies: 10
by newAmpBuilder » Tue Nov 07, 2023 7:02 pm

10 Replies

7026 Views

Last post by Reeltarded
Wed Dec 06, 2023 3:50 am
A Question Of Tone...?

Last post by R.G. « Mon Dec 04, 2023 9:02 pm
Replies: 7
by zozoe » Sun Dec 03, 2023 10:01 pm

7 Replies

5477 Views

Last post by R.G.
Mon Dec 04, 2023 9:02 pm
47 ohm tail resistor

Last post by maxkracht « Mon Dec 04, 2023 4:42 pm
Replies: 3
by Mikante » Fri Dec 01, 2023 2:31 pm

3 Replies

1318 Views

Last post by maxkracht
Mon Dec 04, 2023 4:42 pm
3.8K vs 4.2K Primary

Last post by wpaulvogel « Sun Dec 03, 2023 5:18 pm
Replies: 6
by groovtubin » Wed Nov 29, 2023 12:18 am

6 Replies

5052 Views

Last post by wpaulvogel
Sun Dec 03, 2023 5:18 pm
Output transformer question

Last post by Mikante « Thu Nov 30, 2023 5:06 pm
Replies: 8
by Mikante » Wed Nov 29, 2023 3:23 pm

8 Replies

2589 Views

Last post by Mikante
Thu Nov 30, 2023 5:06 pm
6p14p-k 80s reflektor

Last post by bepone « Wed Nov 29, 2023 9:24 pm
Replies: 12
by mike-p » Mon Nov 27, 2023 9:41 pm

12 Replies

5007 Views

Last post by bepone
Wed Nov 29, 2023 9:24 pm
AC30 repro chassis?

Last post by Dennis Perusse « Wed Nov 29, 2023 3:07 am
Replies: 3
by seveneves » Tue Nov 28, 2023 1:32 am

3 Replies

3260 Views

Last post by Dennis Perusse
Wed Nov 29, 2023 3:07 am
2023 Monkeymatic Black Butte (from Ampex 620)

Last post by xtian « Sun Nov 26, 2023 3:19 am
Replies: 5
by xtian » Thu Nov 23, 2023 6:28 pm

5 Replies

3196 Views

Last post by xtian
Sun Nov 26, 2023 3:19 am
McGohan M20 Amp

Last post by angelodp « Sat Nov 25, 2023 9:44 pm
Replies: 20
by angelodp » Sun Oct 01, 2023 1:37 am
1

2
20 Replies

12574 Views

Last post by angelodp
Sat Nov 25, 2023 9:44 pm
Schematic needed

Last post by Stevem « Sat Nov 25, 2023 11:06 am
Replies: 2
by Stevem » Fri Nov 24, 2023 1:20 pm

2 Replies

1981 Views

Last post by Stevem
Sat Nov 25, 2023 11:06 am
Bandpass experience

Last post by Reeltarded « Sat Nov 25, 2023 4:05 am

by Reeltarded » Sat Nov 25, 2023 4:05 am

0 Replies

153168 Views

Last post by Reeltarded
Sat Nov 25, 2023 4:05 am
Donor amps in the UK

Last post by Seb C « Mon Nov 20, 2023 3:45 pm
Replies: 10
by Seb C » Fri Nov 25, 2022 2:23 pm

10 Replies

3196 Views

Last post by Seb C
Mon Nov 20, 2023 3:45 pm
Cheap amps as a build platform

Last post by TUBEDUDE « Mon Nov 20, 2023 12:36 pm
Replies: 10
by a_e_a » Sat Nov 18, 2023 4:04 am

10 Replies

3783 Views

Last post by TUBEDUDE
Mon Nov 20, 2023 12:36 pm
Resonance controls in Fender like amps?

Last post by Stevem « Sun Nov 19, 2023 6:00 pm
Replies: 5
by Mark » Sun Nov 19, 2023 2:10 am

5 Replies

2761 Views

Last post by Stevem
Sun Nov 19, 2023 6:00 pm
Input Grid bias on triode vs pentode

Last post by martin manning « Sun Nov 19, 2023 3:54 pm
Replies: 3
by Tobyk » Sun Nov 19, 2023 11:24 am

3 Replies

1393 Views

Last post by martin manning
Sun Nov 19, 2023 3:54 pm
Kay 703-based design

Last post by didit « Sat Nov 18, 2023 10:18 pm
Replies: 13
by oxbow_lake » Tue Oct 17, 2023 10:57 am

13 Replies

9830 Views

Last post by didit
Sat Nov 18, 2023 10:18 pm
MOSFET B+ reducer

Last post by pjd3 « Sat Nov 18, 2023 4:56 pm
Replies: 99
by xtian » Wed Feb 11, 2015 5:56 pm
1

…

3

4

5

6

7
99 Replies

56963 Views

Last post by pjd3
Sat Nov 18, 2023 4:56 pm
Newbie: Which winding for relay?

Last post by timrobertson100 « Fri Nov 17, 2023 7:03 pm
Replies: 3
by timrobertson100 » Fri Nov 17, 2023 5:47 pm

3 Replies

1183 Views

Last post by timrobertson100
Fri Nov 17, 2023 7:03 pm
Tweed Deluxe

Last post by cbass « Fri Nov 17, 2023 6:21 pm
Replies: 10
by TUBEDUDE » Thu Apr 20, 2023 2:31 pm

10 Replies

3333 Views

Last post by cbass
Fri Nov 17, 2023 6:21 pm
assessing power (watts) at typical 12ax7 cathode

Last post by TUBEDUDE « Fri Nov 17, 2023 5:59 pm
Replies: 9
by pjd3 » Tue Nov 14, 2023 2:26 pm

9 Replies

2483 Views

Last post by TUBEDUDE
Fri Nov 17, 2023 5:59 pm
120hz hum in new build

Last post by rangdipkin « Sun Nov 12, 2023 7:33 am
Replies: 46
by beasleybodyshop » Mon Nov 06, 2023 7:04 am
1

2

3

4
46 Replies

10668 Views

Last post by rangdipkin
Sun Nov 12, 2023 7:33 am
Transformers for 6AQ5/6005 SE Build

Last post by drlowmu@gmail.com « Sat Nov 11, 2023 8:30 pm
Replies: 12
by turbofeedus » Fri Apr 22, 2022 6:59 pm

12 Replies

7165 Views

Last post by drlowmu@gmail.com
Sat Nov 11, 2023 8:30 pm
Crossover Help for Elkatone Horn Driver

Last post by bcmatt « Sat Nov 11, 2023 4:11 pm
Replies: 10
by bcmatt » Fri Oct 27, 2023 4:14 pm

10 Replies

3572 Views

Last post by bcmatt
Sat Nov 11, 2023 4:11 pm
Benson - Vinny 1 Watt amp

Last post by TUBEDUDE « Fri Nov 10, 2023 11:38 am
Replies: 28
by unknowntome » Sun Jul 24, 2022 10:37 am
1

2
28 Replies

8108 Views

Last post by TUBEDUDE
Fri Nov 10, 2023 11:38 am
Help with ID. These mods

Last post by maxkracht « Wed Nov 08, 2023 9:28 pm
Replies: 6
by Joestrato » Mon Nov 06, 2023 10:44 pm

6 Replies

8208 Views

Last post by maxkracht
Wed Nov 08, 2023 9:28 pm
Fenter Twin Replacement Transformers

Last post by WhopperPlate « Tue Nov 07, 2023 11:38 pm
Replies: 8
by newAmpBuilder » Sat Nov 04, 2023 4:11 pm

8 Replies

1501 Views

Last post by WhopperPlate
Tue Nov 07, 2023 11:38 pm
Possibilities for switch or Pot adjustable preamp plate voltages

Last post by pjd3 « Tue Nov 07, 2023 1:44 am
Replies: 5
by pjd3 » Mon Nov 06, 2023 5:35 pm

5 Replies

1212 Views

Last post by pjd3
Tue Nov 07, 2023 1:44 am
Help me understand wattage reduction switches

Last post by Gregg Hermetech « Sun Nov 05, 2023 12:48 pm
Replies: 2
by Gregg Hermetech » Sun Nov 05, 2023 9:56 am

2 Replies

851 Views

Last post by Gregg Hermetech
Sun Nov 05, 2023 12:48 pm
A better bias pot?

Last post by Ten Over « Thu Nov 02, 2023 7:52 pm
Replies: 14
by Dr Tony Balls » Mon Oct 30, 2023 3:47 pm

14 Replies

5745 Views

Last post by Ten Over
Thu Nov 02, 2023 7:52 pm
Old EVM12-L

Last post by WhopperPlate « Sun Oct 29, 2023 3:02 pm
Replies: 6
by casey73 » Tue Oct 24, 2023 2:10 am

6 Replies

16975 Views

Last post by WhopperPlate
Sun Oct 29, 2023 3:02 pm
Modifying a bias circuit to work with no PT center tap

Last post by Yoda « Sun Oct 29, 2023 1:42 pm
Replies: 18
by Yoda » Fri Oct 20, 2023 9:11 pm
1

2
18 Replies

16034 Views

Last post by Yoda
Sun Oct 29, 2023 1:42 pm
How to Determine if a Tube is Microphonic?

Last post by GAStan « Thu Oct 26, 2023 3:51 pm
Replies: 9
by GAStan » Sun Oct 08, 2023 7:36 pm

9 Replies

6153 Views

Last post by GAStan
Thu Oct 26, 2023 3:51 pm
Ampeg B25 howlin' wolf *solved*

Last post by Stevem « Thu Oct 26, 2023 3:41 pm
Replies: 6
by xtian » Wed Oct 25, 2023 10:16 pm

6 Replies

2116 Views

Last post by Stevem
Thu Oct 26, 2023 3:41 pm
Revisiting my first build and finding mistakes!

Last post by rangdipkin « Wed Oct 25, 2023 12:06 am
Replies: 1
by Aaron Walker » Tue Oct 24, 2023 9:39 pm

1 Replies

2775 Views

Last post by rangdipkin
Wed Oct 25, 2023 12:06 am
Fetron

Last post by beasleybodyshop « Mon Oct 23, 2023 12:22 am
Replies: 37
by two tone » Wed Sep 27, 2023 9:19 am
1

2

3
37 Replies

22830 Views

Last post by beasleybodyshop
Mon Oct 23, 2023 12:22 am
Out Of Curiosity...

Last post by zozoe « Sun Oct 22, 2023 1:32 am
Replies: 11
by zozoe » Fri Oct 20, 2023 1:41 am

11 Replies

5930 Views

Last post by zozoe
Sun Oct 22, 2023 1:32 am
shielding with plate voltage

Last post by nworbetan « Fri Oct 20, 2023 5:37 pm
Replies: 19
by maxkracht » Thu Oct 19, 2023 3:14 am
1

2
19 Replies

6977 Views

Last post by nworbetan
Fri Oct 20, 2023 5:37 pm
Signal bleed at master volume 0

Last post by psychepool « Fri Oct 20, 2023 1:32 pm
Replies: 18
by psychepool » Sun Oct 08, 2023 11:11 am
1

2
18 Replies

6036 Views

Last post by psychepool
Fri Oct 20, 2023 1:32 pm
What is the best way?

Last post by WhopperPlate « Fri Oct 20, 2023 5:48 am
Replies: 6
by KevinDean » Mon Oct 16, 2023 1:37 pm

6 Replies

1841 Views

Last post by WhopperPlate
Fri Oct 20, 2023 5:48 am

New Topic

13790 topics

Page 18 of 276
- Jump to page:
Previous
1
…
16
17
18
19
20
…
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