Dumble Discussion

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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

858 Views

Last post by johnnyreece
Fri Oct 17, 2025 12:35 pm
Welcome to the Dumble Amplifier Forum

Last post by Structo « Mon Aug 27, 2012 6:49 pm

by Structo » Mon Aug 27, 2012 6:49 pm

0 Replies

40995 Views

Last post by Structo
Mon Aug 27, 2012 6:49 pm
Attention: Ceriatone SSS Owners

Last post by Structo « Sun Aug 26, 2012 8:11 pm

by Structo » Sun Aug 26, 2012 8:11 pm

0 Replies

49299 Views

Last post by Structo
Sun Aug 26, 2012 8:11 pm

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Help question Building a 102 using a 60 watt crate transformer

Last post by samtech60 « Sat Aug 12, 2023 1:23 am
Replies: 21
by samtech60 » Fri Aug 11, 2023 2:42 am
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21 Replies

5325 Views

Last post by samtech60
Sat Aug 12, 2023 1:23 am
Skyline tonestack

Last post by WhopperPlate « Wed Aug 09, 2023 7:46 pm
Replies: 9
by bmcash » Wed Aug 09, 2023 5:52 pm

9 Replies

2350 Views

Last post by WhopperPlate
Wed Aug 09, 2023 7:46 pm
Discussion - #102 Robben Ford Amp (High Plate Skyline)

Last post by samtech60 « Wed Aug 09, 2023 10:01 am
Replies: 6
by samtech60 » Sat Aug 05, 2023 8:20 pm

6 Replies

1458 Views

Last post by samtech60
Wed Aug 09, 2023 10:01 am
Combining the Dumbleator with the Fender Reverb Unit 6G15

Last post by WhopperPlate « Tue Aug 08, 2023 3:28 pm
Replies: 1
by toto » Tue Jul 18, 2023 7:02 pm

1 Replies

688 Views

Last post by WhopperPlate
Tue Aug 08, 2023 3:28 pm
VHT D-50 Mod Journey

Last post by neskor « Sat Aug 05, 2023 10:27 pm
Replies: 107
by bwest » Fri Oct 08, 2021 11:03 pm
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107 Replies

33056 Views

Last post by neskor
Sat Aug 05, 2023 10:27 pm
Music Producer tells the story of how he met Howard Alexander Dumble and his amps

Last post by WhopperPlate « Sat Aug 05, 2023 7:21 pm
Replies: 8
by neskor » Wed May 24, 2023 6:46 pm

8 Replies

2215 Views

Last post by WhopperPlate
Sat Aug 05, 2023 7:21 pm
Ultraphonix - Ampliphonix and Gain from Amplified Nation

Last post by neskor « Sat Aug 05, 2023 12:47 pm

by neskor » Sat Aug 05, 2023 12:47 pm

0 Replies

152618 Views

Last post by neskor
Sat Aug 05, 2023 12:47 pm
Single Coils/Dumble's

Last post by jazzbass « Fri Jul 28, 2023 3:15 pm
Replies: 57
by boldaslove6789 » Thu Mar 03, 2011 9:03 am
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57 Replies

11943 Views

Last post by jazzbass
Fri Jul 28, 2023 3:15 pm
1971 Dumble Special 16

Last post by WhopperPlate « Thu Jul 27, 2023 4:09 pm
Replies: 2
by DSull89 » Thu Jul 27, 2023 3:46 am

2 Replies

846 Views

Last post by WhopperPlate
Thu Jul 27, 2023 4:09 pm
BM OD low level

Last post by martin manning « Mon Jul 24, 2023 4:03 pm
Replies: 5
by lovetone » Fri Jul 21, 2023 8:09 am

5 Replies

1601 Views

Last post by martin manning
Mon Jul 24, 2023 4:03 pm
Foot Switch Caps: 0.1uF or 0.01uF???

Last post by Stephen1966 « Sun Jul 16, 2023 9:52 pm
Replies: 4
by TimDude » Fri Sep 30, 2022 12:45 pm

4 Replies

2718 Views

Last post by Stephen1966
Sun Jul 16, 2023 9:52 pm
#102-a truly versatile amp

Last post by norburybrook « Sat Jul 15, 2023 4:35 pm
Replies: 37
by norburybrook » Tue Jan 30, 2018 2:28 pm
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37 Replies

7659 Views

Last post by norburybrook
Sat Jul 15, 2023 4:35 pm
1965 Fender Bandmaster Ultraphonix mod - project

Last post by m.alexander « Fri Jul 14, 2023 12:34 pm
Replies: 11
by m.alexander » Sun Jul 09, 2023 3:10 pm

11 Replies

2678 Views

Last post by m.alexander
Fri Jul 14, 2023 12:34 pm
Dumble 22

Last post by Ang3lus « Fri Jul 14, 2023 9:22 am

by Ang3lus » Fri Jul 14, 2023 9:22 am

0 Replies

153908 Views

Last post by Ang3lus
Fri Jul 14, 2023 9:22 am
Tracing Rick Vito's ODR #58

Last post by Guy77 « Thu Jul 13, 2023 5:23 pm
Replies: 6
by rootz » Thu Jul 06, 2023 7:17 pm

6 Replies

3113 Views

Last post by Guy77
Thu Jul 13, 2023 5:23 pm
1973 ODS 50 watt Combo, EV12L

Last post by hitchcaster « Sun Jul 09, 2023 7:41 pm
Replies: 8
by Simo » Thu Jun 01, 2023 1:43 pm

8 Replies

3808 Views

Last post by hitchcaster
Sun Jul 09, 2023 7:41 pm
Does that sound like a Dumble Amp to you?

Last post by WhopperPlate « Sat Jul 08, 2023 5:11 pm
Replies: 23
by donvan » Fri Oct 14, 2022 6:32 pm
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23 Replies

5327 Views

Last post by WhopperPlate
Sat Jul 08, 2023 5:11 pm
Working with suede

Last post by Guy77 « Fri Jul 07, 2023 1:55 pm
Replies: 34
by rootz » Wed Nov 16, 2022 8:34 pm
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34 Replies

13472 Views

Last post by Guy77
Fri Jul 07, 2023 1:55 pm
Gil's #124 updated?

Last post by Blues Hound « Fri Jul 07, 2023 4:46 am
Replies: 3
by EdG » Fri May 26, 2023 5:46 pm

3 Replies

1834 Views

Last post by Blues Hound
Fri Jul 07, 2023 4:46 am
Rick Beato and Chris Cross

Last post by martin manning « Wed Jul 05, 2023 11:44 am
Replies: 5
by ijedouglas » Mon Jul 03, 2023 9:26 pm

5 Replies

1447 Views

Last post by martin manning
Wed Jul 05, 2023 11:44 am
VHT Fet Boost

Last post by rccolgan « Tue Jul 04, 2023 5:37 pm
Replies: 1
by two tone » Tue Jul 04, 2023 12:41 pm

1 Replies

1100 Views

Last post by rccolgan
Tue Jul 04, 2023 5:37 pm
HRM "Phoenix" style Preamp

Last post by ElectronAvalanche « Mon Jul 03, 2023 8:52 pm
Replies: 4
by ElectronAvalanche » Sat Jul 01, 2023 3:59 pm

4 Replies

1332 Views

Last post by ElectronAvalanche
Mon Jul 03, 2023 8:52 pm
Christopher Cross discusses Dumble amps with Rick Beato

Last post by WhopperPlate « Mon Jul 03, 2023 8:07 pm

by WhopperPlate » Mon Jul 03, 2023 8:07 pm

0 Replies

151932 Views

Last post by WhopperPlate
Mon Jul 03, 2023 8:07 pm
Adjust BIAS on Dumble amps

Last post by jazzbass « Fri Jun 30, 2023 7:28 pm
Replies: 12
by jazzbass » Tue Jun 20, 2023 7:33 pm

12 Replies

3338 Views

Last post by jazzbass
Fri Jun 30, 2023 7:28 pm
Quick and dirty Mega Boost?

Last post by WhopperPlate « Sun Jun 25, 2023 4:13 pm
Replies: 13
by rogb » Fri Jun 16, 2023 5:40 pm

13 Replies

2950 Views

Last post by WhopperPlate
Sun Jun 25, 2023 4:13 pm
Making a go of the UP Bassman.

Last post by ijedouglas « Fri Jun 23, 2023 2:11 pm
Replies: 7
by FuzzFaceBuilder » Mon Aug 15, 2022 8:00 am

7 Replies

2209 Views

Last post by ijedouglas
Fri Jun 23, 2023 2:11 pm
Reverse relay state for footswitch LEDS? SOLVED!

Last post by rogb « Thu Jun 15, 2023 4:01 pm
Replies: 18
by rogb » Wed Jun 14, 2023 4:31 pm
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18 Replies

2324 Views

Last post by rogb
Thu Jun 15, 2023 4:01 pm
Transformer problem Dumble 50

Last post by Oddvar R « Thu Jun 15, 2023 12:32 pm
Replies: 38
by Oddvar R » Sun Mar 19, 2023 12:02 pm
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38 Replies

6392 Views

Last post by Oddvar R
Thu Jun 15, 2023 12:32 pm
Delay self-oscillation problem with Dumbleator

Last post by Luthierwnc « Thu Jun 15, 2023 1:50 am
Replies: 18
by Luthierwnc » Thu Jun 08, 2023 1:41 am
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18 Replies

4513 Views

Last post by Luthierwnc
Thu Jun 15, 2023 1:50 am
Dumbleland 300SL on reverb

Last post by dbharris « Wed Jun 14, 2023 12:57 am
Replies: 1
by rootz » Tue Jun 13, 2023 10:04 pm

1 Replies

611 Views

Last post by dbharris
Wed Jun 14, 2023 12:57 am
JM/Wonderland Contour Pot

Last post by Blues Hound « Sun Jun 11, 2023 10:57 pm
Replies: 10
by Blues Hound » Tue Feb 07, 2023 12:18 am

10 Replies

2352 Views

Last post by Blues Hound
Sun Jun 11, 2023 10:57 pm
which one to build now?

Last post by rootz « Sun Jun 11, 2023 10:26 pm
Replies: 6
by Ang3lus » Wed May 31, 2023 6:26 am

6 Replies

1209 Views

Last post by rootz
Sun Jun 11, 2023 10:26 pm
Dress nuts for mini-toggles

Last post by ViperDoc « Sun Jun 04, 2023 4:23 am
Replies: 4
by James_rc » Sat Jun 03, 2023 10:20 pm

4 Replies

961 Views

Last post by ViperDoc
Sun Jun 04, 2023 4:23 am
Amp-top Midi switcher question

Last post by xtian « Thu Jun 01, 2023 3:17 am
Replies: 1
by Luthierwnc » Thu Jun 01, 2023 12:40 am

1 Replies

633 Views

Last post by xtian
Thu Jun 01, 2023 3:17 am
How many ODS circuits are known?

Last post by rootz « Tue May 30, 2023 4:34 pm
Replies: 11
by Lynxtrap » Wed May 24, 2023 6:28 pm

11 Replies

2818 Views

Last post by rootz
Tue May 30, 2023 4:34 pm
Standby Switch in Dumble schematics

Last post by pompeiisneaks « Thu May 25, 2023 9:50 pm
Replies: 3
by Gerrit666 » Mon Aug 08, 2022 10:08 am

3 Replies

2851 Views

Last post by pompeiisneaks
Thu May 25, 2023 9:50 pm
The plate to cathode cap

Last post by FUCHSAUDIO « Tue May 23, 2023 7:19 pm
Replies: 33
by Lynxtrap » Tue May 16, 2023 2:15 pm
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33 Replies

7529 Views

Last post by FUCHSAUDIO
Tue May 23, 2023 7:19 pm
Dumble Ripper layout

Last post by EdG « Tue May 23, 2023 3:42 pm
Replies: 15
by rootz » Mon Jul 25, 2022 1:29 am
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15 Replies

5807 Views

Last post by EdG
Tue May 23, 2023 3:42 pm
Dumble ODS chassis

Last post by EdG « Tue May 23, 2023 6:40 am
Replies: 4
by EdG » Fri May 19, 2023 12:35 am

4 Replies

842 Views

Last post by EdG
Tue May 23, 2023 6:40 am
Dominator II Build (Dumbleator II)

Last post by dbharris « Mon May 22, 2023 10:12 pm
Replies: 20
by rccolgan » Wed May 17, 2023 6:12 pm
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20 Replies

3243 Views

Last post by dbharris
Mon May 22, 2023 10:12 pm
Wiring power transformer

Last post by martin manning « Thu May 11, 2023 7:23 pm
Replies: 9
by James_rc » Wed May 10, 2023 5:41 am

9 Replies

4341 Views

Last post by martin manning
Thu May 11, 2023 7:23 pm
HAD Modded Princeton - Project

Last post by ViperDoc « Tue May 09, 2023 5:29 am
Replies: 23
by m.alexander » Mon Oct 04, 2021 11:37 am
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23 Replies

4583 Views

Last post by ViperDoc
Tue May 09, 2023 5:29 am
New 183 build

Last post by Stephen1966 « Mon May 08, 2023 6:38 pm
Replies: 363
by Stephen1966 » Tue Sep 20, 2022 7:50 pm
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363 Replies

607265 Views

Last post by Stephen1966
Mon May 08, 2023 6:38 pm
From #183 to BluesMaster

Last post by strat100 « Mon May 08, 2023 1:05 pm
Replies: 7
by jazzbass » Sun Sep 04, 2022 4:50 pm

7 Replies

2463 Views

Last post by strat100
Mon May 08, 2023 1:05 pm
1970's Dumble OD-50W ODS available on Reverb

Last post by WhopperPlate « Sat May 06, 2023 4:06 pm
Replies: 15
by award70 » Wed May 03, 2023 11:02 pm
1

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15 Replies

2565 Views

Last post by WhopperPlate
Sat May 06, 2023 4:06 pm
50 watt transformer set for Fairfield County

Last post by James_rc « Fri May 05, 2023 5:48 am
Replies: 3
by James_rc » Thu Apr 27, 2023 10:05 pm

3 Replies

1030 Views

Last post by James_rc
Fri May 05, 2023 5:48 am
Dumbleator II build.

Last post by rccolgan « Thu May 04, 2023 3:38 pm
Replies: 35
by Charlie Wilson » Wed Apr 05, 2023 7:03 pm
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35 Replies

7797 Views

Last post by rccolgan
Thu May 04, 2023 3:38 pm
Bluesmaster, dual reverb version

Last post by Guy77 « Mon May 01, 2023 2:49 pm
Replies: 6
by rootz » Thu Apr 20, 2023 8:23 pm

6 Replies

1273 Views

Last post by Guy77
Mon May 01, 2023 2:49 pm
Another tale of Dumble

Last post by FUCHSAUDIO « Thu Apr 27, 2023 9:27 pm
Replies: 4
by WhopperPlate » Fri Apr 21, 2023 6:52 pm

4 Replies

1733 Views

Last post by FUCHSAUDIO
Thu Apr 27, 2023 9:27 pm
UP Bassman Main Board Layout

Last post by dorrisant « Wed Apr 26, 2023 7:20 pm
Replies: 37
by dorrisant » Thu Feb 09, 2023 7:19 pm
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37 Replies

7547 Views

Last post by dorrisant
Wed Apr 26, 2023 7:20 pm

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