Amplifiers, Kits, Parts and Tech

Forum

Topics

Posts

Last post

Plexi Replicas by Metropoulos Amplification
Replica amps built by George Metropoulos himself. Visit PlexiReplicas.com.
Moderator: VelvetGeorge
Topics: 163

163 Topics

1480 Posts

Last post Re: Proud owner of a Custom M…
by awangotango View the latest post
Thu Apr 18, 2019 7:47 am
Metro-Plex
All about the new Metropoulos plexi for the 21st Century.
Topics: 40

40 Topics

236 Posts

Last post Re: Metro-Plex Tolex Colors
by VelvetGeorge View the latest post
Mon Jun 10, 2019 12:50 pm
MetroAmp General Kits and Products
Discuss your builds of MetroAmp Kits.
Moderator: VelvetGeorge
Topics: 882

882 Topics

7467 Posts

Last post Re: Hot 1203-80 PT
by gloeidraad View the latest post
Wed Sep 18, 2019 5:18 pm
MetroAmp JTM 45 Kits
Get support and show off your MetroAmp JTM 45 kit builds.
Moderator: VelvetGeorge
Topics: 1960

1960 Topics

18850 Posts

Last post Re: Calling all jtm45 kit exp…
by neikeel View the latest post
Tue Aug 20, 2019 10:10 am
MetroAmp 50 Watt Kits
Get support and show off your MetroAmp 50 Watt kit builds.
Moderator: VelvetGeorge
Topics: 944

944 Topics

8868 Posts

Last post Re: Reducing Heater Voltage?
by bhyatt1 View the latest post
Wed Nov 13, 2019 5:32 am
Metroamp 100 Watt Master Volume Kits
Discuss our latest amp kit.
Moderator: VelvetGeorge
Topics: 102

102 Topics

606 Posts

Last post Re: MV board wire colors + le…
by JimiJames View the latest post
Sat Jun 15, 2019 3:14 pm
Marshall Amplifiers
Everything from original vintage Marshalls to reissues.
Moderator: VelvetGeorge
Topics: 6272

6272 Topics

72174 Posts

Last post Re: S.I.R. 100W SuperLead Sch…
by dukeamps View the latest post
Wed Nov 13, 2019 1:07 pm
Other Amplifiers
Completed amps from Fender, Orange, Hiwatt, Vox, etc.
Moderator: VelvetGeorge
Topics: 1430

1430 Topics

12544 Posts

Last post Re: Fender Super Reverb Front…
by the jaywalker View the latest post
Fri Jun 14, 2019 12:37 pm
Do It Yourself amp builds
Share your home builds, knock offs and ground up customs.
Topics: 1611

1611 Topics

14407 Posts

Last post 50W Plexi-inspired build in a…
by bikescene View the latest post
Tue Nov 12, 2019 1:25 pm
Repairs, Restoration and Mods
Info for maintaining and tweaking your amp to perfection.
Moderator: VelvetGeorge
Topics: 4859

4859 Topics

40733 Posts

Last post Couple of questions
by rip View the latest post
Thu Oct 10, 2019 8:35 am
Transformers and Chokes
All about iron and copper.
Moderator: VelvetGeorge
Topics: 703

703 Topics

4199 Posts

Last post Re: hammond transformers stin…
by neikeel View the latest post
Fri Sep 27, 2019 4:42 am
PTP circuit boards
Info about our boards and kits.
Moderator: VelvetGeorge
Topics: 344

344 Topics

2823 Posts

Last post Re: Resistors types in origin…
by wombat View the latest post
Tue Oct 08, 2019 12:05 am
Tubes
The good, the bad and the ugly.
Moderator: VelvetGeorge
Topics: 1498

1498 Topics

11428 Posts

Last post Re: More headroom on Marshall…
by Pressed_Rat View the latest post
Sat Nov 09, 2019 6:58 am

Active topics

Replies

Views

Last post

S.I.R. 100W SuperLead Schematic pt. II

Last post by dukeamps « Wed Nov 13, 2019 1:07 pm
Replies: 10848
by novosibir » Sun Jan 17, 2010 7:07 pm
1

…

720

721

722

723

724
10848 Replies

612327 Views

Last post by dukeamps
Wed Nov 13, 2019 1:07 pm
Evolution of the 100 watt superlead circuit

Last post by fixer2 « Fri Sep 27, 2019 9:15 am
Replies: 77
by VelvetGeorge » Wed Jan 26, 2005 5:15 pm
1

2

3

4

5

6
77 Replies

58247 Views

Last post by fixer2
Fri Sep 27, 2019 9:15 am
The PPIMV (Post-PI-Master-Volume) thread.

Last post by danman « Mon Sep 09, 2019 6:37 pm
Replies: 1763
by MacGaden » Thu Jan 19, 2006 6:01 pm
1

…

114

115

116

117

118
1763 Replies

275207 Views

Last post by danman
Mon Sep 09, 2019 6:37 pm
Help Implementing Star/Larry Grounding scheme

Last post by SPeter « Mon Apr 15, 2019 1:36 pm
Replies: 40
by LJay942 » Thu Sep 10, 2009 9:43 pm
1

2

3
40 Replies

26707 Views

Last post by SPeter
Mon Apr 15, 2019 1:36 pm
Heyboer vs MM.

Last post by crumb « Sat Dec 15, 2018 5:46 pm
Replies: 49
by VelvetGeorge » Wed Jun 07, 2006 2:40 pm
1

2

3

4
49 Replies

45333 Views

Last post by crumb
Sat Dec 15, 2018 5:46 pm
Forming filter caps

Last post by syscokid « Fri Jul 28, 2017 2:14 pm
Replies: 345
by novosibir » Sun Nov 12, 2006 5:24 pm
1

…

20

21

22

23

24
345 Replies

55046 Views

Last post by syscokid
Fri Jul 28, 2017 2:14 pm
REVIEW (long): Caps, resistors & parts on my 1987x board

Last post by FourT6and2 « Tue Jul 04, 2017 11:07 pm
Replies: 37
by gnugear » Wed Jan 21, 2004 7:04 pm
1

2

3
37 Replies

27768 Views

Last post by FourT6and2
Tue Jul 04, 2017 11:07 pm
JTM 45 amp kit instructions ***UPDATED*** Oct 2008

Last post by danman « Thu Mar 23, 2017 4:54 pm
Replies: 9
by VelvetGeorge » Tue Aug 09, 2005 7:30 pm

9 Replies

52451 Views

Last post by danman
Thu Mar 23, 2017 4:54 pm
Calculating RC time constants...and why you should.

Last post by Roe « Tue Feb 28, 2017 4:43 am
Replies: 59
by VelvetGeorge » Wed Apr 20, 2005 12:18 pm
1

2

3

4
59 Replies

33424 Views

Last post by Roe
Tue Feb 28, 2017 4:43 am
50 watt plexi kit instructions

Last post by ValveStorm « Wed Sep 28, 2016 6:07 pm
Replies: 51
by VelvetGeorge » Wed Nov 07, 2007 5:58 pm
1

2

3

4
51 Replies

31667 Views

Last post by ValveStorm
Wed Sep 28, 2016 6:07 pm
THE HW Marshall thread. Tweaking it step by step.

Last post by Wallace « Wed Jul 27, 2016 7:52 am
Replies: 258
by VelvetGeorge » Mon May 08, 2006 5:59 pm
1

…

14

15

16

17

18
258 Replies

88400 Views

Last post by Wallace
Wed Jul 27, 2016 7:52 am
Modern Tubes 12ax7

Last post by Nilo « Fri Apr 29, 2016 6:04 pm
Replies: 60
by St August » Sat Dec 08, 2007 8:01 am
1

2

3

4

5
60 Replies

32156 Views

Last post by Nilo
Fri Apr 29, 2016 6:04 pm
Tech listings, for repairs, mods, builds ect.

Last post by LittleLeroy « Mon Dec 21, 2015 2:02 am
Replies: 52
by VelvetGeorge » Wed Oct 04, 2006 4:01 pm
1

2

3

4
52 Replies

31674 Views

Last post by LittleLeroy
Mon Dec 21, 2015 2:02 am
NOS Tubes 12AX7

Last post by Teleman76 « Mon Dec 14, 2015 5:07 pm
Replies: 67
by St August » Sat Dec 08, 2007 7:59 am
1

2

3

4

5
67 Replies

36513 Views

Last post by Teleman76
Mon Dec 14, 2015 5:07 pm
Another 12 Series Original vs Replica clip

Last post by jnew « Fri Aug 28, 2015 2:42 pm
Replies: 63
by VelvetGeorge » Thu Feb 14, 2013 6:18 pm
1

2

3

4

5
63 Replies

16197 Views

Last post by jnew
Fri Aug 28, 2015 2:42 pm
71 specs 50 watt clip on youtube

Last post by toolowd « Sun Aug 16, 2015 9:41 pm
Replies: 59
by VelvetGeorge » Fri Aug 10, 2007 4:23 pm
1

2

3

4
59 Replies

31504 Views

Last post by toolowd
Sun Aug 16, 2015 9:41 pm
45/100 Block End Now Available

Last post by neikeel « Tue Aug 04, 2015 5:25 am
Replies: 87
by VelvetGeorge » Mon Jan 29, 2007 12:33 am
1

2

3

4

5

6
87 Replies

37931 Views

Last post by neikeel
Tue Aug 04, 2015 5:25 am
G12M speaker shootout video. Celestion, Scumback, ASW

Last post by shiekyerbouti « Fri May 15, 2015 11:38 am
Replies: 2
by VelvetGeorge » Mon Apr 01, 2013 11:15 am

2 Replies

3790 Views

Last post by shiekyerbouti
Fri May 15, 2015 11:38 am
Detailed Marshall circuit info

Last post by bobtec « Sun Feb 08, 2015 9:37 pm
Replies: 41
by VelvetGeorge » Fri Mar 12, 2004 4:32 pm
1

2

3
41 Replies

72449 Views

Last post by bobtec
Sun Feb 08, 2015 9:37 pm
Decription of output tube types....

Last post by Joshabr1 « Sat Dec 20, 2014 1:10 pm
Replies: 14
by VelvetGeorge » Thu Apr 07, 2005 5:09 pm

14 Replies

22776 Views

Last post by Joshabr1
Sat Dec 20, 2014 1:10 pm
Which caps do I need for XXX model?

Last post by Joshabr1 « Fri Dec 19, 2014 9:10 pm
Replies: 7
by VelvetGeorge » Tue Jan 11, 2005 5:57 pm

7 Replies

11724 Views

Last post by Joshabr1
Fri Dec 19, 2014 9:10 pm
NOS pre advice wanted!

Last post by Joshabr1 « Wed Dec 17, 2014 7:59 pm
Replies: 35
by toner » Wed Sep 26, 2007 9:43 pm
1

2

3
35 Replies

20396 Views

Last post by Joshabr1
Wed Dec 17, 2014 7:59 pm
The standby switch squeal

Last post by neikeel « Wed Oct 08, 2014 4:20 am
Replies: 42
by VelvetGeorge » Wed Jul 11, 2007 3:21 pm
1

2

3
42 Replies

22991 Views

Last post by neikeel
Wed Oct 08, 2014 4:20 am
Metro-Plex at Destroy All Guitars

Last post by stef « Thu Oct 02, 2014 10:01 pm
Replies: 1
by VelvetGeorge » Tue Sep 30, 2014 10:32 pm

1 Replies

3817 Views

Last post by stef
Thu Oct 02, 2014 10:01 pm
My 50W Build! (with pics) - COMPLETE!!!

Last post by Am_I_Evil « Tue Sep 23, 2014 1:30 am
Replies: 58
by mwm523 » Sat Nov 17, 2007 10:25 am
1

2

3

4
58 Replies

35280 Views

Last post by Am_I_Evil
Tue Sep 23, 2014 1:30 am
Late '68, early '69 restoration

Last post by VelvetGeorge « Thu Jul 10, 2014 2:03 pm
Replies: 36
by VelvetGeorge » Wed Jun 28, 2006 9:22 pm
1

2

3
36 Replies

23414 Views

Last post by VelvetGeorge
Thu Jul 10, 2014 2:03 pm
Bias pot mounting for plexi and JTM 45

Last post by maxwedge572 « Mon Feb 10, 2014 1:13 pm
Replies: 14
by VelvetGeorge » Wed May 23, 2007 12:03 pm

14 Replies

13820 Views

Last post by maxwedge572
Mon Feb 10, 2014 1:13 pm
Parallel effects loop for Marshall style amps

Last post by Froumy « Sat Mar 23, 2013 9:51 pm
Replies: 614
by novosibir » Fri Jan 26, 2007 5:32 pm
1

…

37

38

39

40

41
614 Replies

91430 Views

Last post by Froumy
Sat Mar 23, 2013 9:51 pm
Amp Archives website

Last post by Tazin « Wed Mar 20, 2013 6:55 pm
Replies: 90
by rtcook » Sun Feb 25, 2007 10:09 am
1

…

3

4

5

6

7
90 Replies

27844 Views

Last post by Tazin
Wed Mar 20, 2013 6:55 pm
Switching the dual voltage PT taps

Last post by pongo316 « Mon Jan 14, 2013 5:59 pm
Replies: 51
by VelvetGeorge » Wed Oct 25, 2006 8:11 pm
1

2

3

4
51 Replies

23364 Views

Last post by pongo316
Mon Jan 14, 2013 5:59 pm
Drake OT's for 100 Watts

Last post by bill bokey « Mon Dec 10, 2012 7:34 am
Replies: 13
by VelvetGeorge » Thu Jun 22, 2006 10:32 pm

13 Replies

12033 Views

Last post by bill bokey
Mon Dec 10, 2012 7:34 am
Metro-Friedman "plexi" ready to go!

Last post by SoloDallas « Wed Jun 27, 2012 3:24 pm
Replies: 39
by VelvetGeorge » Mon Oct 10, 2011 1:05 pm
1

2

3
39 Replies

18989 Views

Last post by SoloDallas
Wed Jun 27, 2012 3:24 pm
Tung Sol Reissue 12AX7 not for CF stage !!!

Last post by Lefty Lou « Sat May 12, 2012 4:02 pm
Replies: 52
by novosibir » Sat Jul 19, 2008 4:35 pm
1

2

3

4
52 Replies

29391 Views

Last post by Lefty Lou
Sat May 12, 2012 4:02 pm
NY amp show 2011 Clips posted!

Last post by VelvetGeorge « Fri Aug 12, 2011 12:32 pm
Replies: 5
by VelvetGeorge » Thu Jun 09, 2011 11:25 am

5 Replies

5212 Views

Last post by VelvetGeorge
Fri Aug 12, 2011 12:32 pm
'66 45/100 vs Metropoulos 45/100 replica

Last post by VelvetGeorge « Sat Jul 02, 2011 3:29 am
Replies: 6
by VelvetGeorge » Wed Dec 23, 2009 7:03 pm

6 Replies

7914 Views

Last post by VelvetGeorge
Sat Jul 02, 2011 3:29 am
How to spot Chinese vs UK KT66's

Last post by 68Plexi50 « Sat Jun 11, 2011 11:15 am
Replies: 8
by VelvetGeorge » Mon Apr 09, 2007 10:38 am

8 Replies

12795 Views

Last post by 68Plexi50
Sat Jun 11, 2011 11:15 am
Brian, Greg, Vic and I...JTM 45 Round-up!

Last post by louis « Sun May 15, 2011 10:35 pm
Replies: 15
by VelvetGeorge » Tue Apr 21, 2009 6:10 pm
1

2
15 Replies

12810 Views

Last post by louis
Sun May 15, 2011 10:35 pm
Rocker power switch replacement question

Last post by novosibir « Wed Apr 20, 2011 7:50 am
Replies: 7
by Dave Simpson » Wed Feb 28, 2007 8:18 am

7 Replies

8505 Views

Last post by novosibir
Wed Apr 20, 2011 7:50 am
Video from 2010 LA amp show

Last post by VelvetGeorge « Mon Nov 08, 2010 2:33 pm
Replies: 2
by VelvetGeorge » Thu Oct 07, 2010 1:57 am

2 Replies

4835 Views

Last post by VelvetGeorge
Mon Nov 08, 2010 2:33 pm
Great videos featuring a Metropoulos JTM 50 replica

Last post by SoloDallas « Sun Oct 10, 2010 4:59 am
Replies: 9
by VelvetGeorge » Thu Sep 16, 2010 5:38 pm

9 Replies

7590 Views

Last post by SoloDallas
Sun Oct 10, 2010 4:59 am
Tube info

Last post by wrea398 « Sun Dec 06, 2009 3:21 pm
Replies: 41
by Lawrence » Thu Jun 24, 2004 10:03 pm
1

2

3
41 Replies

26063 Views

Last post by wrea398
Sun Dec 06, 2009 3:21 pm
Sometimes you just have to play some guitar....

Last post by skurtix « Tue Nov 17, 2009 6:02 pm
Replies: 26
by VelvetGeorge » Fri Sep 14, 2007 4:38 pm
1

2
26 Replies

23310 Views

Last post by skurtix
Tue Nov 17, 2009 6:02 pm
50 Watt Plexi Kits!!!!

Last post by Jim SS « Tue Oct 20, 2009 11:21 am
Replies: 51
by VelvetGeorge » Tue Oct 30, 2007 3:22 pm
1

2

3

4
51 Replies

29497 Views

Last post by Jim SS
Tue Oct 20, 2009 11:21 am
100W MV kit clips from NY amp show

Last post by spaceace76 « Thu Sep 10, 2009 2:42 am
Replies: 1
by VelvetGeorge » Wed Sep 09, 2009 11:46 am

1 Replies

6507 Views

Last post by spaceace76
Thu Sep 10, 2009 2:42 am
JTM 45 Kit sound clips

Last post by AkrW « Sat Jul 18, 2009 1:51 pm
Replies: 33
by VelvetGeorge » Tue Aug 23, 2005 3:10 pm
1

2

3
33 Replies

37785 Views

Last post by AkrW
Sat Jul 18, 2009 1:51 pm
Tech listings moving to the wiki

Last post by neikeel « Wed Nov 26, 2008 6:09 am
Replies: 2
by VelvetGeorge » Tue Nov 04, 2008 12:35 pm

2 Replies

5537 Views

Last post by neikeel
Wed Nov 26, 2008 6:09 am
Counterfeit Tubes!

Last post by demonufo « Sat Jun 07, 2008 5:08 am
Replies: 17
by novosibir » Sat Nov 18, 2006 9:28 am
1

2
17 Replies

14848 Views

Last post by demonufo
Sat Jun 07, 2008 5:08 am
Dagnal vs replica sound clips

Last post by NitroLiq « Fri Jul 14, 2006 10:41 am
Replies: 80
by VelvetGeorge » Wed Dec 22, 2004 4:35 pm
1

2

3

4

5

6
80 Replies

37701 Views

Last post by NitroLiq
Fri Jul 14, 2006 10:41 am
Reducing Heater Voltage?

Last post by bhyatt1 « Wed Nov 13, 2019 5:32 am
Replies: 9
by revolver1 » Wed Oct 24, 2018 1:57 pm

9 Replies

322 Views

Last post by bhyatt1
Wed Nov 13, 2019 5:32 am
50W Plexi-inspired build in a cage head

Last post by bikescene « Tue Nov 12, 2019 1:25 pm

by bikescene » Tue Nov 12, 2019 1:25 pm

0 Replies

30 Views

Last post by bikescene
Tue Nov 12, 2019 1:25 pm

Return to Board Index