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Donations to 18watt.com

Last post by minuskeith « Sat 09/13/25 11:09 pm
Posted in By the Bench
Replies: 1
by Graydon » Tue 07/23/24 5:50 pm » in By the Bench

1 Replies

146989 Views

Last post by minuskeith
Sat 09/13/25 11:09 pm

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18 watt JTM45 quesstion

Last post by JMPGuitars « Thu 08/03/23 4:20 pm
Replies: 9
by mac dillard » Wed 07/19/23 12:13 pm

9 Replies

24046 Views

Last post by JMPGuitars
Thu 08/03/23 4:20 pm
Negative Plate Voltage on one 6v6?

Last post by yello « Tue 05/30/23 1:53 pm
Replies: 3
by yello » Fri 05/26/23 11:49 am

3 Replies

20223 Views

Last post by yello
Tue 05/30/23 1:53 pm
Help with SE 6V6 bias/cathode resistor/cap values....

Last post by Daviedawg « Tue 05/02/23 2:02 pm
Replies: 4
by MinglisFTW1967 » Sun 04/30/23 7:33 pm

4 Replies

21257 Views

Last post by Daviedawg
Tue 05/02/23 2:02 pm
SE KT66

Last post by redclayrebel « Tue 04/18/23 2:23 pm
Replies: 9
by redclayrebel » Mon 04/17/23 9:54 am

9 Replies

25321 Views

Last post by redclayrebel
Tue 04/18/23 2:23 pm
Tremolo TMB SE build!!!

Last post by garakin « Sun 04/02/23 11:46 am
Replies: 36
by Bieworm » Wed 02/15/23 2:44 pm
1

2
36 Replies

56515 Views

Last post by garakin
Sun 04/02/23 11:46 am
Best Tube Position

Last post by KagliostroAmpwww « Sat 04/01/23 4:49 pm
Replies: 6
by riley0 » Fri 03/17/23 11:44 am

6 Replies

21675 Views

Last post by KagliostroAmpwww
Sat 04/01/23 4:49 pm
Weber Halle find

Last post by Bieworm « Wed 03/15/23 8:36 am
Replies: 1
by cstenger5 » Wed 03/15/23 8:16 am

1 Replies

18883 Views

Last post by Bieworm
Wed 03/15/23 8:36 am
6g2 blocking distortion/fuzz at full vol

Last post by audiosalvage « Fri 03/10/23 11:37 am
Replies: 5
by audiosalvage » Sat 03/04/23 8:22 pm

5 Replies

22117 Views

Last post by audiosalvage
Fri 03/10/23 11:37 am
Volume drops

Last post by Hiwatt5 « Wed 03/08/23 4:51 pm
Replies: 2
by Hiwatt5 » Tue 03/07/23 11:14 am

2 Replies

18737 Views

Last post by Hiwatt5
Wed 03/08/23 4:51 pm
What causes excessive power tube cathode voltage?

Last post by yello « Mon 03/06/23 10:41 am
Replies: 15
by yello » Sat 02/11/23 9:08 pm

15 Replies

33870 Views

Last post by yello
Mon 03/06/23 10:41 am
Sudden increase in B+ voltage

Last post by Bieworm « Tue 02/28/23 5:06 am
Replies: 25
by riley0 » Mon 02/20/23 3:33 pm
1

2
25 Replies

41912 Views

Last post by Bieworm
Tue 02/28/23 5:06 am
Tremolo TMB Reverb with 6AQ5 tubes

Last post by Bieworm « Wed 02/22/23 3:50 am
Replies: 8
by Bieworm » Mon 02/20/23 4:41 am

8 Replies

22928 Views

Last post by Bieworm
Wed 02/22/23 3:50 am
Volume/Tone pot interaction affecting voltage & creating noise

Last post by yello « Sat 02/11/23 8:45 pm
Replies: 25
by yello » Wed 01/25/23 6:22 pm
1

2
25 Replies

42904 Views

Last post by yello
Sat 02/11/23 8:45 pm
Dual JTM45/2203 w/reverb and FX build

Last post by roadshow « Fri 12/23/22 12:18 pm

by roadshow » Fri 12/23/22 12:18 pm

0 Replies

17556 Views

Last post by roadshow
Fri 12/23/22 12:18 pm
Hum when volume turned up

Last post by Eric « Wed 12/14/22 7:30 pm
Replies: 2
by Eric » Wed 12/14/22 12:46 pm

2 Replies

18090 Views

Last post by Eric
Wed 12/14/22 7:30 pm
octal & el84 phonograph amp conversion

Last post by yello « Mon 09/12/22 11:42 am
Replies: 3
by yello » Mon 08/15/22 10:35 am

3 Replies

20417 Views

Last post by yello
Mon 09/12/22 11:42 am
JTM45 split cathode switch

Last post by Bieworm « Sat 08/27/22 3:40 am
Replies: 2
by Hebaton » Thu 08/25/22 1:54 pm

2 Replies

18286 Views

Last post by Bieworm
Sat 08/27/22 3:40 am
Van Halen Tribute Amp

Last post by crgfrench « Fri 08/19/22 5:33 pm
Replies: 46
by crgfrench » Sat 11/14/20 12:43 am
1

2

3
46 Replies

83981 Views

Last post by crgfrench
Fri 08/19/22 5:33 pm
Is this a ground loop?

Last post by zaphod_phil « Thu 08/11/22 5:34 pm
Replies: 9
by Bieworm » Tue 03/22/22 2:14 pm

9 Replies

29538 Views

Last post by zaphod_phil
Thu 08/11/22 5:34 pm
Princeton kit build

Last post by yello « Thu 06/23/22 10:19 am
Replies: 7
by yello » Sun 05/22/22 1:20 pm

7 Replies

22795 Views

Last post by yello
Thu 06/23/22 10:19 am
6G3 Plexi Reverb high power build

Last post by Bieworm « Tue 05/10/22 12:21 pm
Replies: 2
by Bieworm » Tue 05/10/22 11:54 am

2 Replies

18696 Views

Last post by Bieworm
Tue 05/10/22 12:21 pm
My Reissue Princeton Rvb is cooking/redplating rectifier tubes

Last post by TubeyNewbie « Fri 05/06/22 3:07 pm
Replies: 7
by TubeyNewbie » Fri 01/21/22 1:03 am

7 Replies

23537 Views

Last post by TubeyNewbie
Fri 05/06/22 3:07 pm
SE Tremolo TMB

Last post by Bieworm « Sun 05/01/22 9:28 am
Replies: 3
by Bieworm » Thu 04/28/22 3:03 am

3 Replies

5849 Views

Last post by Bieworm
Sun 05/01/22 9:28 am
Master volume drop

Last post by Bieworm « Wed 03/09/22 8:47 am
Replies: 4
by lentzell » Sun 03/06/22 3:55 pm

4 Replies

6948 Views

Last post by Bieworm
Wed 03/09/22 8:47 am
Building a JTM 45 for a 1961 super tremolo 4x Combo

Last post by Bieworm « Sun 02/13/22 4:07 am
Replies: 2
by davemojo » Sat 02/12/22 2:23 pm

2 Replies

5906 Views

Last post by Bieworm
Sun 02/13/22 4:07 am
mad professor old school 11

Last post by JMPGuitars « Sun 01/23/22 10:25 am
Replies: 1
by BILLYENZO » Sat 01/22/22 3:22 pm

1 Replies

6399 Views

Last post by JMPGuitars
Sun 01/23/22 10:25 am
DIY Fender Champ 6V6 Tube Sparking Lightning

Last post by Bieworm « Wed 01/12/22 12:07 pm
Replies: 7
by davemojo » Thu 12/16/21 9:32 am

7 Replies

8404 Views

Last post by Bieworm
Wed 01/12/22 12:07 pm
18watt turned ac30 ef86 channel only

Last post by JMPGuitars « Tue 01/11/22 5:59 pm
Replies: 8
by Gradysmusic » Mon 01/03/22 1:41 pm

8 Replies

7781 Views

Last post by JMPGuitars
Tue 01/11/22 5:59 pm
5F4 tremolo build

Last post by AussieTim « Mon 01/03/22 7:56 am
Replies: 6
by Bieworm » Mon 12/27/21 5:36 am

6 Replies

7274 Views

Last post by AussieTim
Mon 01/03/22 7:56 am
Logged on after 15 years absent

Last post by colossal « Sun 12/26/21 2:30 pm
Replies: 6
by KingCrimson » Sat 12/25/21 1:41 am

6 Replies

6596 Views

Last post by colossal
Sun 12/26/21 2:30 pm
Moving a tonestack

Last post by NickF « Sun 11/28/21 9:29 am

by NickF » Sun 11/28/21 9:29 am

0 Replies

5309 Views

Last post by NickF
Sun 11/28/21 9:29 am
confused by mains transformers HT current specs

Last post by geoff 1965 « Fri 11/26/21 1:36 pm
Replies: 11
by Bieworm » Sat 11/20/21 10:15 am

11 Replies

8089 Views

Last post by geoff 1965
Fri 11/26/21 1:36 pm
What would you build?

Last post by Bieworm « Tue 11/23/21 7:16 pm
Replies: 4
by cstenger5 » Tue 11/23/21 12:38 pm

4 Replies

7476 Views

Last post by Bieworm
Tue 11/23/21 7:16 pm
Bored with my 5f11. Any mod ideas?

Last post by Bieworm « Tue 11/23/21 1:33 pm
Replies: 11
by cstenger5 » Mon 09/13/21 2:31 pm

11 Replies

9206 Views

Last post by Bieworm
Tue 11/23/21 1:33 pm
Advise on work done so far for this new project (15 Watts - M15Mk1)

Last post by Bieworm « Wed 11/03/21 3:39 pm
Replies: 10
by davemojo » Fri 10/29/21 1:45 am

10 Replies

7850 Views

Last post by Bieworm
Wed 11/03/21 3:39 pm
preparing the 6G3 deluxe reverb build

Last post by JMPGuitars « Mon 10/25/21 7:49 pm
Replies: 27
by Bieworm » Fri 09/03/21 1:50 am
1

2
27 Replies

17386 Views

Last post by JMPGuitars
Mon 10/25/21 7:49 pm
Advice needed...

Last post by The4thWatcher13 « Sun 10/17/21 9:59 pm
Replies: 284
by The4thWatcher13 » Sun 03/21/21 2:41 pm
1

…

11

12

13

14

15
284 Replies

114396 Views

Last post by The4thWatcher13
Sun 10/17/21 9:59 pm
A fun weekend with a Mesa DC5

Last post by JMPGuitars « Sun 10/10/21 9:25 pm
Replies: 2
by cstenger5 » Sun 10/10/21 10:08 am

2 Replies

2786 Views

Last post by JMPGuitars
Sun 10/10/21 9:25 pm
Is anyone here doing modular (or just separate) preamp and power amps?

Last post by zaphod_phil « Sat 10/02/21 1:20 pm
Replies: 8
by cstenger5 » Wed 09/22/21 9:08 pm

8 Replies

5320 Views

Last post by zaphod_phil
Sat 10/02/21 1:20 pm
JTM45 repair

Last post by Daviedawg « Sat 09/18/21 4:03 am
Replies: 3
by Daviedawg » Sat 09/11/21 3:41 pm

3 Replies

2865 Views

Last post by Daviedawg
Sat 09/18/21 4:03 am
How about an 18W 6V6 Trainwreck inspired build ?

Last post by zaphod_phil « Fri 09/17/21 3:28 pm
Replies: 4
by Doxie man » Mon 08/30/21 2:12 pm

4 Replies

8667 Views

Last post by zaphod_phil
Fri 09/17/21 3:28 pm
Marwatt, anyone?

Last post by JMPGuitars « Fri 09/10/21 7:50 am
Replies: 7
by ViperDoc » Wed 09/08/21 10:57 am

7 Replies

4559 Views

Last post by JMPGuitars
Fri 09/10/21 7:50 am
Cathode biased 5881 1987-ish circuit I’m currently building.

Last post by Doxie man « Thu 09/09/21 3:31 am

by Doxie man » Thu 09/09/21 3:31 am

0 Replies

1963 Views

Last post by Doxie man
Thu 09/09/21 3:31 am
Is my 5E3 sick ?

Last post by Doxie man « Sun 08/29/21 11:52 pm
Replies: 35
by Hebaton » Sat 07/10/21 4:39 pm
1

2
35 Replies

22291 Views

Last post by Doxie man
Sun 08/29/21 11:52 pm
Blues Jr Hand Wired

Last post by ViperDoc « Sun 08/29/21 2:23 pm
Replies: 11
by GregPlaysStrats » Mon 07/19/21 7:42 am

11 Replies

9915 Views

Last post by ViperDoc
Sun 08/29/21 2:23 pm
HALO 30 build complete

Last post by Doxie man « Fri 08/27/21 5:29 pm

by Doxie man » Fri 08/27/21 5:29 pm

0 Replies

3949 Views

Last post by Doxie man
Fri 08/27/21 5:29 pm
50 watt plexi AC/DC

Last post by Bieworm « Sun 08/22/21 10:07 am
Replies: 3
by Bieworm » Fri 08/13/21 11:12 am

3 Replies

5265 Views

Last post by Bieworm
Sun 08/22/21 10:07 am
d'lite 6v6

Last post by BlueBoozer « Mon 07/12/21 12:17 am
Replies: 1
by mehfuzhoss » Sun 07/11/21 7:25 pm

1 Replies

4356 Views

Last post by BlueBoozer
Mon 07/12/21 12:17 am
Low wattage Tremolo TMB reverb

Last post by geoff 1965 « Sun 07/04/21 8:02 pm
Replies: 43
by Bieworm » Sat 06/26/21 12:43 pm
1

2

3
43 Replies

26196 Views

Last post by geoff 1965
Sun 07/04/21 8:02 pm
Need help about El84 Powered “Vibrolux “ copy errors.

Last post by zaphod_phil « Mon 06/21/21 7:08 pm
Replies: 5
by kryfcn » Wed 06/09/21 4:56 am

5 Replies

5804 Views

Last post by zaphod_phil
Mon 06/21/21 7:08 pm

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