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Plexi Replicas by Metropoulos Amplification
Replica amps built by George Metropoulos himself. Visit PlexiReplicas.com.
Moderator: VelvetGeorge
Topics: 169

169 Topics

1490 Posts

Last post Heyboer HYPT100 bias voltage?
by freakshow__ View the latest post
Fri Nov 20, 2020 4:38 pm
Metro-Plex
All about the new Metropoulos plexi for the 21st Century.
Topics: 41

41 Topics

237 Posts

Last post Modifying a 120v Metroplex (U…
by charlie345 View the latest post
Thu Oct 24, 2019 3:43 pm
MetroAmp General Kits and Products
Discuss your builds of MetroAmp Kits.
Moderator: VelvetGeorge
Topics: 886

886 Topics

7479 Posts

Last post Metro Amp - Zero Loss FX loop…
by delay dude View the latest post
Mon Oct 26, 2020 2:29 am
MetroAmp JTM 45 Kits
Get support and show off your MetroAmp JTM 45 kit builds.
Moderator: VelvetGeorge
Topics: 1973

1973 Topics

18876 Posts

Last post Re: jtm45 ppimv ringing/hum
by danman View the latest post
Fri Oct 16, 2020 6:59 pm
MetroAmp 50 Watt Kits
Get support and show off your MetroAmp 50 Watt kit builds.
Moderator: VelvetGeorge
Topics: 949

949 Topics

8896 Posts

Last post Re: Can anyone tell me what t…
by danman View the latest post
Mon Nov 09, 2020 6:22 pm
Metroamp 100 Watt Master Volume Kits
Discuss our latest amp kit.
Moderator: VelvetGeorge
Topics: 102

102 Topics

608 Posts

Last post Re: MV board wire colors + le…
by JohnA View the latest post
Mon May 18, 2020 2:01 pm
Marshall Amplifiers
Everything from original vintage Marshalls to reissues.
Moderator: VelvetGeorge
Topics: 6283

6283 Topics

72344 Posts

Last post Re: S.I.R. 100W SuperLead Sch…
by dukeamps View the latest post
Sun Nov 15, 2020 2:03 pm
Other Amplifiers
Completed amps from Fender, Orange, Hiwatt, Vox, etc.
Moderator: VelvetGeorge
Topics: 1442

1442 Topics

12580 Posts

Last post Evh 5150 iii 50 watt combo sp…
by sanadkhalid2 View the latest post
Fri Oct 09, 2020 11:31 pm
Do It Yourself amp builds
Share your home builds, knock offs and ground up customs.
Topics: 1627

1627 Topics

14469 Posts

Last post Re: Building a mid-60's JTM45…
by Eric Klinger View the latest post
Tue Oct 20, 2020 3:28 am
Repairs, Restoration and Mods
Info for maintaining and tweaking your amp to perfection.
Moderator: VelvetGeorge
Topics: 4884

4884 Topics

40934 Posts

Last post Re: 6v6 JTM build noise/hair …
by Pressed_Rat View the latest post
Fri Nov 13, 2020 4:56 am
Transformers and Chokes
All about iron and copper.
Moderator: VelvetGeorge
Topics: 709

709 Topics

4223 Posts

Last post Re: 1970 JMP 1987 power trans…
by 6adam7 View the latest post
Mon Nov 09, 2020 3:17 am
PTP circuit boards
Info about our boards and kits.
Moderator: VelvetGeorge
Topics: 344

344 Topics

2824 Posts

Last post Re: Resistors types in origin…
by neikeel View the latest post
Sat Oct 03, 2020 4:18 pm
Tubes
The good, the bad and the ugly.
Moderator: VelvetGeorge
Topics: 1499

1499 Topics

11435 Posts

Last post Re: 6CA7 vs EL34 vs KT66?
by marijawlija View the latest post
Mon Sep 28, 2020 12:03 pm

Active topics

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Last post

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

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Replies: 10978
by novosibir » Sun Jan 17, 2010 7:07 pm
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Last post by dukeamps
Sun Nov 15, 2020 2:03 pm
Switching the dual voltage PT taps

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by VelvetGeorge » Wed Oct 25, 2006 8:11 pm
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27932 Views

Last post by danman
Sun Aug 23, 2020 6:06 pm
The PPIMV (Post-PI-Master-Volume) thread.

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by MacGaden » Thu Jan 19, 2006 6:01 pm
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Help Implementing Star/Larry Grounding scheme

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Sat Jul 04, 2020 10:31 am
NOS Tubes 12AX7

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Last post by mojovaughan
Tue Feb 25, 2020 7:22 pm
JTM 45 amp kit instructions ***UPDATED*** Oct 2008

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by VelvetGeorge » Tue Aug 09, 2005 7:30 pm

11 Replies

56159 Views

Last post by danman
Sat Dec 21, 2019 5:58 pm
Drake OT's for 100 Watts

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by VelvetGeorge » Thu Jun 22, 2006 10:32 pm
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16153 Views

Last post by bill bokey
Tue Dec 10, 2019 10:31 am
Evolution of the 100 watt superlead circuit

Last post by nicofabprat « Tue Nov 19, 2019 9:31 am
Replies: 78
by VelvetGeorge » Wed Jan 26, 2005 5:15 pm
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65558 Views

Last post by nicofabprat
Tue Nov 19, 2019 9:31 am
Heyboer vs MM.

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by VelvetGeorge » Wed Jun 07, 2006 2:40 pm
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50038 Views

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

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Replies: 345
by novosibir » Sun Nov 12, 2006 5:24 pm
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66597 Views

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

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Replies: 37
by gnugear » Wed Jan 21, 2004 7:04 pm
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31709 Views

Last post by FourT6and2
Tue Jul 04, 2017 11:07 pm
Calculating RC time constants...and why you should.

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by VelvetGeorge » Wed Apr 20, 2005 12:18 pm
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Last post by Roe
Tue Feb 28, 2017 4:43 am
50 watt plexi kit instructions

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Replies: 51
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51 Replies

36151 Views

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

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by VelvetGeorge » Mon May 08, 2006 5:59 pm
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Last post by Wallace
Wed Jul 27, 2016 7:52 am
Modern Tubes 12ax7

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by St August » Sat Dec 08, 2007 8:01 am
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37903 Views

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

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Replies: 52
by VelvetGeorge » Wed Oct 04, 2006 4:01 pm
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36506 Views

Last post by LittleLeroy
Mon Dec 21, 2015 2:02 am
Another 12 Series Original vs Replica clip

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Replies: 63
by VelvetGeorge » Thu Feb 14, 2013 6:18 pm
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22270 Views

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

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Replies: 59
by VelvetGeorge » Fri Aug 10, 2007 4:23 pm
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Last post by toolowd
Sun Aug 16, 2015 9:41 pm
45/100 Block End Now Available

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Replies: 87
by VelvetGeorge » Mon Jan 29, 2007 12:33 am
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45942 Views

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

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Replies: 2
by VelvetGeorge » Mon Apr 01, 2013 11:15 am

2 Replies

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

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by VelvetGeorge » Fri Mar 12, 2004 4:32 pm
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Last post by bobtec
Sun Feb 08, 2015 9:37 pm
Decription of output tube types....

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by VelvetGeorge » Thu Apr 07, 2005 5:09 pm

14 Replies

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

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by VelvetGeorge » Tue Jan 11, 2005 5:57 pm

7 Replies

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

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by toner » Wed Sep 26, 2007 9:43 pm
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Last post by Joshabr1
Wed Dec 17, 2014 7:59 pm
The standby switch squeal

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by VelvetGeorge » Wed Jul 11, 2007 3:21 pm
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Last post by neikeel
Wed Oct 08, 2014 4:20 am
Metro-Plex at Destroy All Guitars

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Replies: 1
by VelvetGeorge » Tue Sep 30, 2014 10:32 pm

1 Replies

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

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Replies: 58
by mwm523 » Sat Nov 17, 2007 10:25 am
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Last post by Am_I_Evil
Tue Sep 23, 2014 1:30 am
Late '68, early '69 restoration

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by VelvetGeorge » Wed Jun 28, 2006 9:22 pm
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Last post by VelvetGeorge
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Bias pot mounting for plexi and JTM 45

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by VelvetGeorge » Wed May 23, 2007 12:03 pm

14 Replies

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

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105128 Views

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

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Replies: 90
by rtcook » Sun Feb 25, 2007 10:09 am
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Last post by Tazin
Wed Mar 20, 2013 6:55 pm
Metro-Friedman "plexi" ready to go!

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by VelvetGeorge » Mon Oct 10, 2011 1:05 pm
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Last post by SoloDallas
Wed Jun 27, 2012 3:24 pm
Tung Sol Reissue 12AX7 not for CF stage !!!

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by novosibir » Sat Jul 19, 2008 4:35 pm
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33855 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

6607 Views

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

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by VelvetGeorge » Wed Dec 23, 2009 7:03 pm

6 Replies

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Last post by VelvetGeorge
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How to spot Chinese vs UK KT66's

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by VelvetGeorge » Mon Apr 09, 2007 10:38 am

8 Replies

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

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by VelvetGeorge » Tue Apr 21, 2009 6:10 pm
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Last post by louis
Sun May 15, 2011 10:35 pm
Rocker power switch replacement question

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by Dave Simpson » Wed Feb 28, 2007 8:18 am

7 Replies

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

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by VelvetGeorge » Thu Oct 07, 2010 1:57 am

2 Replies

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Last post by VelvetGeorge
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Great videos featuring a Metropoulos JTM 50 replica

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by VelvetGeorge » Thu Sep 16, 2010 5:38 pm

9 Replies

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Last post by SoloDallas
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Tube info

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by Lawrence » Thu Jun 24, 2004 10:03 pm
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29406 Views

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

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Replies: 26
by VelvetGeorge » Fri Sep 14, 2007 4:38 pm
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25588 Views

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

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Replies: 51
by VelvetGeorge » Tue Oct 30, 2007 3:22 pm
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33714 Views

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

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Replies: 1
by VelvetGeorge » Wed Sep 09, 2009 11:46 am

1 Replies

7372 Views

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

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Replies: 33
by VelvetGeorge » Tue Aug 23, 2005 3:10 pm
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40831 Views

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

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Replies: 2
by VelvetGeorge » Tue Nov 04, 2008 12:35 pm

2 Replies

6416 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
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16492 Views

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

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Replies: 80
by VelvetGeorge » Wed Dec 22, 2004 4:35 pm
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44402 Views

Last post by NitroLiq
Fri Jul 14, 2006 10:41 am
Heyboer HYPT100 bias voltage?

Last post by freakshow__ « Fri Nov 20, 2020 4:38 pm

by freakshow__ » Fri Nov 20, 2020 4:38 pm

0 Replies

18 Views

Last post by freakshow__
Fri Nov 20, 2020 4:38 pm
6v6 JTM build noise/hair on notes

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Last post by Pressed_Rat
Fri Nov 13, 2020 4:56 am

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