Amplifiers

New Topic

1081 topics

Page 1 of 44
- Jump to page:
1
2
3
4
5
…
44
Next

Topics

Replies

Views

Last post

Electric Guitar Amplifier Handbook - Jack Darr

Last post by The G « 13 Nov 2020, 10:19
Replies: 14
by SPeter » 14 Sep 2010, 20:47

Rating: 1.9%

To those that still don't have it!
Enjoy!
:thumbsup
:D

14 Replies

13385 Views

Last post by The G
13 Nov 2020, 10:19
Tube Amp Links

Last post by ToneKarma « 25 Mar 2019, 11:26
Replies: 38
by modman » 26 Jun 2007, 23:23
1

2
Rating: 1.5%

18watt: A forum dedicated to Marshall 18 watt amps butvery friendly and informative about building amps in general.
Ampage: Guitar Amp Forums...
38 Replies

62311 Views

Last post by ToneKarma
25 Mar 2019, 11:26
Solid state Amp discussion allowed (of course!)

Last post by ballfire « 10 Dec 2018, 07:13
Replies: 39
by Entrant_21 » 05 Jan 2009, 17:30
1

2
Rating: 2.4%

Hi, I know this is a predominantly a stompboxes site, but theres a section for tube amps but none for SS amps. Why is this?

Not a rant, just...
39 Replies

54845 Views

Last post by ballfire
10 Dec 2018, 07:13
Gallien&Krueger 2000CPL [schematic]

Last post by jmpj45 « Yesterday, 00:25
Replies: 9
by jmpj45 » 16 Apr 2021, 22:51

I'm trying to adjust the internal trimmers for the gain stages. I looked up the service manual it says adjust trimmers for 1.4 v on pins 1 and 7 on...

9 Replies

222 Views

Last post by jmpj45
Yesterday, 00:25
Sunn Beta Bass preamp schematic

Last post by DiscoVlad « 18 Apr 2021, 21:35
Replies: 106
by arcaarca » 15 Feb 2015, 18:25
1

2

3

4

5

6
Rating: 19.3%

Hi everyone!
Hope the topic is in the right area.
I'm updating the ugly jpg schematic of this amp, now I've made only a single channel version,...
106 Replies

64730 Views

Last post by DiscoVlad
18 Apr 2021, 21:35
1974 Davoli Orbach B3 - 60W hybrid EL500 amp

Last post by modman « 14 Apr 2021, 09:21

by modman » 14 Apr 2021, 09:21

Got it dirt cheap, completely underestimating the size of the thing.

I did not find any mention online of Davoli Orbach B3 , but it seems to be...

0 Replies

61 Views

Last post by modman
14 Apr 2021, 09:21
Suhr Reactive Load [schematic]

Last post by AndrewGallios « 13 Apr 2021, 09:24
Replies: 129
by soulsonic » 14 Jul 2020, 04:47
1

…

3

4

5

6

7
Rating: 9.7%

Based on conversations I've been having lately with Modman, I decided to pick up an upmarket load box to see what that's all about. I had...
129 Replies

13461 Views

Last post by AndrewGallios
13 Apr 2021, 09:24
MOSFET as first tube (V1)?

Last post by Manfred « 12 Apr 2021, 20:49
Replies: 4
by ChopSauce » 11 Apr 2021, 09:28

Rating: 0.4%

How about using an IRF820 as V1, with:

- a 100k resistor between drain and power supply

- a (1k5, xxuF) pair between the source and the ground...

4 Replies

180 Views

Last post by Manfred
12 Apr 2021, 20:49
Valveste 8080 copy EXPERIMENTAL tube gain stage mod

Last post by JiM « 12 Apr 2021, 06:52
Replies: 12
by Juarocks » 27 Jan 2021, 13:17

Rating: 1.1%

Hi everyone,
So, last year i aquired this beautiful thing:

g100.jpg

It's a Meteoro(a brazilian manufacturer) Vulcano G100 100w 2x10, and if...

12 Replies

828 Views

Last post by JiM
12 Apr 2021, 06:52
Marshall JMP-1 Preamp mods?

Last post by xpumpa « 04 Apr 2021, 15:54
Replies: 98
by jimosity » 24 Sep 2012, 19:11
1

2

3

4

5
Rating: 3%

Anybody have any tone/gain mods for the JMP-1 rack preamp?
I know the Voodoo mods sound great, but yeah - those aren't published and I want to mod it...
98 Replies

82951 Views

Last post by xpumpa
04 Apr 2021, 15:54
schematic requiest BEL 1001 poweramp

Last post by vfet « 31 Mar 2021, 23:41
Replies: 2
by vfet » 27 Mar 2021, 13:11

hi,
sorry it's a hifi amp request. hope that's ok.
BEL 1001. brown engineering labs.
having a heck of a time finding the schematic.

anyone have a...

2 Replies

225 Views

Last post by vfet
31 Mar 2021, 23:41
MESIA ZOOM Tubeamp Schematic [schematic]

Last post by Tubestack « 27 Mar 2021, 14:30
Replies: 5
by Manfred » 13 Aug 2020, 14:54

Rating: 1.9%

I had bought this amplifier in the 60 watt version in 1983 defective, the transformer was burned out. I have repaired it in the 1990 years and sold...

5 Replies

1616 Views

Last post by Tubestack
27 Mar 2021, 14:30
crate CPB150 Powerblock schematics

Last post by deltafred « 11 Mar 2021, 17:56
Replies: 6
by cbriere » 05 Mar 2021, 21:41

Hello,
i am looking for the schematics for troubleshoot.

6 Replies

464 Views

Last post by deltafred
11 Mar 2021, 17:56
FBT Jolly 12 RA schematics

Last post by nap_alfa55 « 26 Feb 2021, 20:00
Replies: 2
by nap_alfa55 » 25 Feb 2021, 15:20

Rating: 0.2%

Hello everyone, I would need the diagram of a fbt jolly 12 RA case or the photos of the electronics to be able to detect the value and position of...

2 Replies

708 Views

Last post by nap_alfa55
26 Feb 2021, 20:00
Ibanez TSA30 tubescreamer amplifier - how to fix it so it works properly ! !

Last post by ppluis0 « 03 Feb 2021, 20:34
Replies: 1
by bajaman » 02 Feb 2021, 23:44

Rating: 0.4%

I posted this on the SS Guitar forum

Well, I just had two more of these abortions in my workshop - both with that nasty buzz/ hum ;)
I tried...

1 Replies

398 Views

Last post by ppluis0
03 Feb 2021, 20:34
Another Geloso G-227A To Bassman

Last post by ppluis0 « 12 Jan 2021, 03:08
Replies: 5
by sarakisof » 09 Jan 2021, 18:22

Rating: 0.6%

Hello everyone, first post here.
Calling @modman, found a Geloso G 227A and after fully repaired, want now to mod its one input only like in...

5 Replies

439 Views

Last post by ppluis0
12 Jan 2021, 03:08
Circuit for a Blackstar Fly 3 watt amp?

Last post by The G « 08 Jan 2021, 05:30
Replies: 54
by microbailey » 11 Jun 2020, 22:04
1

2

3
Rating: 7.8%

The Blackstar Fly 3W amp is pretty loud so I took mine apart to see what they used for the driver (great little guitar practice amp btw).

It's...
54 Replies

6938 Views

Last post by The G
08 Jan 2021, 05:30
Fender Super Twin Amplifier

Last post by DrNomis « 02 Jan 2021, 04:28
Replies: 20
by DrNomis » 29 Nov 2017, 16:09
1

2
Rating: 1.9%

Earlier this year I had the good fortune to buy a mid 70's (I'm guessing) Fender Super Twin amplifier chassis that was installed in a wooden cabinet...
20 Replies

8419 Views

Last post by DrNomis
02 Jan 2021, 04:28
ENGL gain trick.. what's really going on?? serious question

Last post by mirageman « 25 Dec 2020, 19:49
Replies: 8
by screamersusa » 10 Sep 2014, 22:56

Rating: 0.6%

There is one thing in the ENGL amps that I noticed and implemented in my GXT100 mods:
They use a 330k anode resistor and a 3.3k cathode at about 350v...

8 Replies

5207 Views

Last post by mirageman
25 Dec 2020, 19:49
Small Push Pull tube amp build, advice sought.

Last post by Manfred « 14 Dec 2020, 22:44
Replies: 27
by deltafred » 23 Nov 2020, 23:37
1

2
Rating: 3.5%

I need a bit of advice and guidance from the valve (tube) gurus.

I’ve been fixing valve gear since before solid state was available (mid 60’s) and...
27 Replies

2124 Views

Last post by Manfred
14 Dec 2020, 22:44
Boss Katana Mini

Last post by howmuch « 09 Dec 2020, 15:57

by howmuch » 09 Dec 2020, 15:57

Rating: 0.4%

Looking around for some info on the Boss Katana Mini, all I could find was this post
Modding the Boss Katana Mini for Rechargeable Batteries

The...

0 Replies

653 Views

Last post by howmuch
09 Dec 2020, 15:57
Monoprice 15 watt tube amp problems

Last post by deltafred « 07 Dec 2020, 09:58
Replies: 6
by chuckusa » 06 May 2018, 21:15

Rating: 1.1%

So I got this amp, its a Monoprice 15 watt tube amp thats suppose to be modeled just like the Laney Cub12R I think.

I got the schematic for it. I...

6 Replies

3174 Views

Last post by deltafred
07 Dec 2020, 09:58
ADA MP1 into a pedal

Last post by ATL Strat « 02 Dec 2020, 20:54
Replies: 39
by caspercody » 12 Nov 2020, 22:23
1

2
Rating: 0.4%

Hello

I created a pedal size project of the tube section of the ADA MP1. I am attaching a copy of the tube schematic, and input for the ADA MP1, a...
39 Replies

2821 Views

Last post by ATL Strat
02 Dec 2020, 20:54
Taming the Peavey "Nasties"

Last post by Beedoola « 29 Nov 2020, 16:51
Replies: 72
by soulsonic » 26 Oct 2008, 07:24
1

2

3

4
Rating: 0.2%

This past weekend I found myself repairing two Peavey amps for friends. They're both from the same general era and have the same general design. One...
72 Replies

28085 Views

Last post by Beedoola
29 Nov 2020, 16:51
Laney Cub 10

Last post by rocklander « 22 Nov 2020, 04:05
Replies: 5
by Paulreed245 » 03 Feb 2013, 14:48

Rating: 0.2%

Got a laney cub 10 about a month ago and was very pleasantly surprised by how good it sounded, very full, open,and even the 3d swirl thingy that has...

5 Replies

4025 Views

Last post by rocklander
22 Nov 2020, 04:05

New Topic

1081 topics

Page 1 of 44
- Jump to page:
1
2
3
4
5
…
44
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