18Watt Technical Discussion

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18Watt Technical Discussion

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Voltage Dropping Zener Diodes

Last post by JMPGuitars « Tue 10/06/20 8:16 am

by JMPGuitars » Tue 10/06/20 8:16 am

0 Replies

6326 Views

Last post by JMPGuitars
Tue 10/06/20 8:16 am
Soldering Technique

Last post by JMPGuitars « Fri 07/26/19 9:03 am
Replies: 2
by JMPGuitars » Sun 06/09/19 7:29 am

2 Replies

8201 Views

Last post by JMPGuitars
Fri 07/26/19 9:03 am
Modern Ground Schemes

Last post by JMPGuitars « Fri 04/10/20 6:20 pm
Replies: 4
by JMPGuitars » Tue 05/07/19 7:48 pm

4 Replies

10906 Views

Last post by JMPGuitars
Fri 04/10/20 6:20 pm
This room is for 18W-related posts only!

Last post by Graydon « Fri 04/14/06 10:09 am

by Graydon » Fri 04/14/06 10:09 am

0 Replies

9283 Views

Last post by Graydon
Fri 04/14/06 10:09 am
What Every Newcomer Should Know...

Last post by dustin_writes « Wed 08/23/06 1:42 pm
Replies: 54
by Gabi » Fri 11/18/05 12:10 pm
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62556 Views

Last post by dustin_writes
Wed 08/23/06 1:42 pm

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Tremolo TMB Questions

Last post by JMPGuitars « Mon 09/18/23 7:35 am
Replies: 54
by JMPGuitars » Wed 05/05/21 6:24 pm
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54 Replies

8545 Views

Last post by JMPGuitars
Mon 09/18/23 7:35 am
18 watt fizz: please help me diagnose this?

Last post by zaphod_phil « Wed 02/09/22 10:22 pm
Replies: 170
by TomOlsen1 » Thu 01/14/10 4:09 am
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170 Replies

59686 Views

Last post by zaphod_phil
Wed 02/09/22 10:22 pm
Pentode (EF86) pre-amps and combo's?

Last post by DikshaRaut « Thu 10/24/19 4:54 am
Replies: 62
by mark0614 » Fri 11/02/07 9:18 pm
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62 Replies

32486 Views

Last post by DikshaRaut
Thu 10/24/19 4:54 am
Help improve pp-18 tone

Last post by Isaac Stuckey « Sun 01/19/14 11:32 pm
Replies: 110
by asd » Mon 08/22/11 9:53 pm
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110 Replies

49298 Views

Last post by Isaac Stuckey
Sun 01/19/14 11:32 pm
unpleasant distortion on 18w lite - any idea?

Last post by JMPGuitars « Fri 12/01/23 6:59 pm
Replies: 1
by Mauri » Fri 12/01/23 11:23 am

1 Replies

28 Views

Last post by JMPGuitars
Fri 12/01/23 6:59 pm
Output Jack Wiring

Last post by JMPGuitars « Fri 12/01/23 6:28 pm
Replies: 7
by riley0 » Wed 11/29/23 8:15 am

7 Replies

115 Views

Last post by JMPGuitars
Fri 12/01/23 6:28 pm
Finished my 18 watt build

Last post by Jason Patrick « Wed 11/29/23 11:38 am
Replies: 3
by Jason Patrick » Tue 11/28/23 4:52 pm

3 Replies

92 Views

Last post by Jason Patrick
Wed 11/29/23 11:38 am
I'm new here as of today...

Last post by Graydon « Mon 11/27/23 3:15 pm
Replies: 7
by 1974x » Tue 11/21/23 9:21 pm

7 Replies

524 Views

Last post by Graydon
Mon 11/27/23 3:15 pm
Schematic for cascade

Last post by TristanJohnson « Fri 11/24/23 11:46 am
Replies: 2
by Jason Patrick » Wed 11/08/23 10:04 am

2 Replies

361 Views

Last post by TristanJohnson
Fri 11/24/23 11:46 am
Cathode Follower

Last post by luiscristiano44 « Sat 11/11/23 2:13 pm
Replies: 15
by SECONDandBOWERY » Sun 10/23/05 10:31 pm

15 Replies

1470 Views

Last post by luiscristiano44
Sat 11/11/23 2:13 pm
definitive 18watt tmb layout?

Last post by Bieworm « Tue 11/07/23 3:26 am
Replies: 2
by cruzthree » Mon 11/06/23 7:12 pm

2 Replies

231 Views

Last post by Bieworm
Tue 11/07/23 3:26 am
master volume hiss

Last post by Bieworm « Sun 11/05/23 2:43 am
Replies: 12
by cruzthree » Wed 11/01/23 10:43 pm

12 Replies

402 Views

Last post by Bieworm
Sun 11/05/23 2:43 am
18 Watt Trem TMB: Gain Pot bleeding through

Last post by rexindigo « Fri 10/27/23 7:46 am
Replies: 28
by rexindigo » Tue 10/10/23 3:21 pm
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28 Replies

11729 Views

Last post by rexindigo
Fri 10/27/23 7:46 am
My Tremolo TMB Reverb project

Last post by JMPGuitars « Thu 10/26/23 1:11 pm
Replies: 19
by JohnJankowski » Sun 10/01/23 9:40 pm

19 Replies

5123 Views

Last post by JMPGuitars
Thu 10/26/23 1:11 pm
Homebrew Superlite II scratch build: Got a couple questions

Last post by mojoboldt « Sun 10/15/23 8:44 pm
Replies: 4
by mojoboldt » Sun 10/15/23 1:20 pm

4 Replies

1646 Views

Last post by mojoboldt
Sun 10/15/23 8:44 pm
New to me Marshall 1974x, can you identify this mod as a PPIMV?

Last post by giogolf « Fri 10/13/23 11:39 am
Replies: 4
by giogolf » Fri 10/13/23 9:49 am

4 Replies

4576 Views

Last post by giogolf
Fri 10/13/23 11:39 am
Brown note 18 watt lite IIb - v4 overheating

Last post by JMPGuitars « Tue 10/10/23 8:49 am
Replies: 2
by constantineaudio » Mon 10/09/23 11:08 pm

2 Replies

2001 Views

Last post by JMPGuitars
Tue 10/10/23 8:49 am
SIII build from scratch

Last post by AussieTim « Mon 10/09/23 9:38 pm
Replies: 67
by AussieTim » Tue 08/06/19 6:52 am
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67 Replies

13441 Views

Last post by AussieTim
Mon 10/09/23 9:38 pm
18w TMB Hum When Both Vol Pots Below 1.5

Last post by Schlep « Mon 10/09/23 3:21 pm
Replies: 2
by Schlep » Mon 10/09/23 12:46 pm

2 Replies

2360 Views

Last post by Schlep
Mon 10/09/23 3:21 pm
? For the CHokE CluB

Last post by TriodeLuvr « Thu 10/05/23 4:16 pm
Replies: 13
by Jason Patrick » Tue 10/03/23 8:53 pm

13 Replies

13228 Views

Last post by TriodeLuvr
Thu 10/05/23 4:16 pm
Tremolo speed pot value.

Last post by Jason Patrick « Thu 10/05/23 3:01 pm

by Jason Patrick » Thu 10/05/23 3:01 pm

0 Replies

623 Views

Last post by Jason Patrick
Thu 10/05/23 3:01 pm
Weird ghost notes on my mojotone 18TMB

Last post by JMPGuitars « Mon 10/02/23 8:55 pm
Replies: 7
by Gayle Ellett » Mon 09/25/23 10:48 am

7 Replies

1339 Views

Last post by JMPGuitars
Mon 10/02/23 8:55 pm
FX LOOP

Last post by Bieworm « Mon 10/02/23 4:31 am
Replies: 1
by fiolau » Mon 10/02/23 3:28 am

1 Replies

343 Views

Last post by Bieworm
Mon 10/02/23 4:31 am
Circuit designers - cathode follower, or plate fed tone stack?

Last post by ewizard « Sat 09/30/23 1:26 am
Replies: 18
by cstenger5 » Thu 09/23/21 7:23 pm

18 Replies

2436 Views

Last post by ewizard
Sat 09/30/23 1:26 am
Layout design and positioning

Last post by JMPGuitars « Thu 09/21/23 11:08 am
Replies: 6
by AleS » Wed 09/20/23 3:02 pm

6 Replies

294 Views

Last post by JMPGuitars
Thu 09/21/23 11:08 am
correct PT for a 18 watter

Last post by Davidscott « Wed 09/20/23 7:51 pm
Replies: 8
by Davidscott » Sat 09/09/23 11:22 am

8 Replies

398 Views

Last post by Davidscott
Wed 09/20/23 7:51 pm
First 18 watt and I’m using Sour Sound Iron

Last post by JMPGuitars « Tue 09/19/23 12:10 pm
Replies: 3
by Jason Patrick » Tue 09/19/23 9:16 am

3 Replies

199 Views

Last post by JMPGuitars
Tue 09/19/23 12:10 pm
18 watter 19 years later

Last post by JMPGuitars « Sat 09/16/23 10:36 pm
Replies: 6
by higbean » Tue 09/12/23 10:46 pm

6 Replies

326 Views

Last post by JMPGuitars
Sat 09/16/23 10:36 pm
Loud hum and static on TMB channel

Last post by JMPGuitars « Sat 09/16/23 10:25 am
Replies: 9
by Jonny fuzz » Wed 09/13/23 11:52 am

9 Replies

300 Views

Last post by JMPGuitars
Sat 09/16/23 10:25 am
Power Transformer choice

Last post by Paul-T « Fri 09/15/23 11:23 am
Replies: 22
by AleS » Sun 08/20/23 3:21 pm
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22 Replies

893 Views

Last post by Paul-T
Fri 09/15/23 11:23 am
1970 Original Power transformer #277124

Last post by pinhead-1 « Thu 09/07/23 6:23 pm
Replies: 13
by pinhead-1 » Sun 09/03/23 7:05 pm

13 Replies

385 Views

Last post by pinhead-1
Thu 09/07/23 6:23 pm
Josh's 36W Tremolo TMB Xtra Reverb

Last post by JMPGuitars « Mon 09/04/23 5:25 pm
Replies: 29
by JMPGuitars » Fri 07/14/23 12:17 pm
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29 Replies

1422 Views

Last post by JMPGuitars
Mon 09/04/23 5:25 pm
2000uf 30vdc - ok for cathode bias bypass capacitor?

Last post by Bieworm « Thu 08/31/23 4:46 am
Replies: 6
by yello » Tue 08/29/23 2:50 pm

6 Replies

261 Views

Last post by Bieworm
Thu 08/31/23 4:46 am
New OT - less headroom and volume

Last post by Bieworm « Wed 08/30/23 1:04 pm
Replies: 7
by Redsparowe » Wed 08/23/23 9:44 am

7 Replies

339 Views

Last post by Bieworm
Wed 08/30/23 1:04 pm
Ruby mod on ppimv

Last post by robthefisher « Thu 08/03/23 9:52 pm
Replies: 1
by robthefisher » Thu 08/03/23 9:50 pm

1 Replies

266 Views

Last post by robthefisher
Thu 08/03/23 9:52 pm
What influences darkness or brightness of tone?

Last post by cuffers65240 « Fri 07/28/23 5:07 pm
Replies: 17
by cuffers65240 » Sat 07/08/23 3:09 pm

17 Replies

1079 Views

Last post by cuffers65240
Fri 07/28/23 5:07 pm
Aluminum Chassis -- Interest?

Last post by crgfrench « Fri 07/28/23 9:10 am
Replies: 3
by crgfrench » Fri 07/28/23 1:07 am

3 Replies

397 Views

Last post by crgfrench
Fri 07/28/23 9:10 am
anyone have a schematic for BrownNote Foxy 18?

Last post by crgfrench « Thu 07/27/23 6:56 pm
Replies: 13
by rstoeck » Wed 06/07/23 10:05 am

13 Replies

785 Views

Last post by crgfrench
Thu 07/27/23 6:56 pm
Stumped! Mojotone 18watt Tmb blowing fuses

Last post by mac dillard « Mon 07/24/23 2:01 pm
Replies: 21
by Martinoils » Sun 07/23/23 12:24 pm
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21 Replies

841 Views

Last post by mac dillard
Mon 07/24/23 2:01 pm
Which channel do you prefer?

Last post by Graydon « Wed 07/12/23 10:45 am
Replies: 13
by DaveHale » Sat 07/01/23 5:30 am

13 Replies

1158 Views

Last post by Graydon
Wed 07/12/23 10:45 am
Do you know what's wrong with me?

Last post by JMPGuitars « Sun 07/09/23 9:23 pm
Replies: 1
by JacobStevens » Sun 07/09/23 9:09 pm

1 Replies

394 Views

Last post by JMPGuitars
Sun 07/09/23 9:23 pm
Building 1974 style 18W

Last post by BlueX « Fri 06/30/23 3:20 pm
Replies: 36
by BlueX » Tue 03/07/23 8:29 am
1

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36 Replies

2513 Views

Last post by BlueX
Fri 06/30/23 3:20 pm
First TMB build

Last post by ned3 « Wed 06/28/23 6:17 am
Replies: 6
by JohnJankowski » Mon 05/08/23 4:15 pm

6 Replies

631 Views

Last post by ned3
Wed 06/28/23 6:17 am
Talk me into or out of this build...

Last post by KagliostroAmpwww « Wed 06/28/23 12:22 am
Replies: 6
by DWSumms09 » Tue 06/27/23 2:39 pm

6 Replies

538 Views

Last post by KagliostroAmpwww
Wed 06/28/23 12:22 am
Tube sockets; shock mount or no?

Last post by KagliostroAmpwww « Tue 06/27/23 2:08 pm
Replies: 2
by JohnJankowski » Tue 06/27/23 12:16 pm

2 Replies

388 Views

Last post by KagliostroAmpwww
Tue 06/27/23 2:08 pm
TMB modern classic turret board

Last post by Bieworm « Sun 06/25/23 1:48 am
Replies: 17
by JohnJankowski » Fri 06/16/23 11:38 pm

17 Replies

841 Views

Last post by Bieworm
Sun 06/25/23 1:48 am
Looking for help identifying an amp I've had for years.

Last post by moresupial « Sat 06/17/23 8:37 pm
Replies: 4
by moresupial » Wed 06/14/23 3:19 am

4 Replies

533 Views

Last post by moresupial
Sat 06/17/23 8:37 pm
EF86 TMB Modern Classic (New Project)

Last post by Bieworm « Fri 06/16/23 12:10 am
Replies: 40
by foreverstrung » Sat 04/29/23 6:04 pm
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40 Replies

1991 Views

Last post by Bieworm
Fri 06/16/23 12:10 am
Heyboer vs Hammond OT

Last post by Bieworm « Thu 06/15/23 12:03 pm
Replies: 16
by Plexitones » Tue 05/02/23 6:45 pm

16 Replies

1162 Views

Last post by Bieworm
Thu 06/15/23 12:03 pm
18 Watt TMB Problem

Last post by perplexd « Thu 06/01/23 3:18 pm
Replies: 11
by perplexd » Fri 05/05/23 3:08 pm

11 Replies

800 Views

Last post by perplexd
Thu 06/01/23 3:18 pm

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