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

163 Topics

1481 Posts

Last post Re: Live on our new server. …
by abhi632 View the latest post
Fri Nov 08, 2019 3:07 am
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: 883

883 Topics

7472 Posts

Last post Re: 1976 Superlead Board Kit
by neikeel View the latest post
Tue Jan 21, 2020 3:59 pm
MetroAmp JTM 45 Kits
Get support and show off your MetroAmp JTM 45 kit builds.
Moderator: VelvetGeorge
Topics: 1963

1963 Topics

18858 Posts

Last post Re: JTM 45 amp kit instructio…
by danman View the latest post
Sat Dec 21, 2019 5:58 pm
MetroAmp 50 Watt Kits
Get support and show off your MetroAmp 50 Watt kit builds.
Moderator: VelvetGeorge
Topics: 945

945 Topics

8870 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

72259 Posts

Last post Re: S.I.R. 100W SuperLead Sch…
by dukeamps View the latest post
Thu Jan 23, 2020 4:20 pm
Other Amplifiers
Completed amps from Fender, Orange, Hiwatt, Vox, etc.
Moderator: VelvetGeorge
Topics: 1434

1434 Topics

12553 Posts

Last post Re: Mesa Mark 4 Output Tranny…
by danman View the latest post
Sun Jan 12, 2020 6:07 pm
Do It Yourself amp builds
Share your home builds, knock offs and ground up customs.
Topics: 1614

1614 Topics

14417 Posts

Last post Re: Fender transformer substi…
by danman View the latest post
Thu Dec 12, 2019 5:50 pm
Repairs, Restoration and Mods
Info for maintaining and tweaking your amp to perfection.
Moderator: VelvetGeorge
Topics: 4860

4860 Topics

40744 Posts

Last post Re: Slash's #34 and #36 Frank…
by awangotango View the latest post
Sat Nov 23, 2019 9:53 pm
Transformers and Chokes
All about iron and copper.
Moderator: VelvetGeorge
Topics: 704

704 Topics

4202 Posts

Last post Re: Drake OT's for 100 Watts
by bill bokey View the latest post
Tue Dec 10, 2019 10:31 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

11431 Posts

Last post Re: More headroom on Marshall…
by JimiJames View the latest post
Fri Jan 17, 2020 9:06 pm

Active topics

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Last post

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

Last post by dukeamps « Thu Jan 23, 2020 4:20 pm
Replies: 10930
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Last post by dukeamps
Thu Jan 23, 2020 4:20 pm
JTM 45 amp kit instructions ***UPDATED*** Oct 2008

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

11 Replies

52673 Views

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

Last post by bill bokey « Tue Dec 10, 2019 10:31 am
Replies: 15
by VelvetGeorge » Thu Jun 22, 2006 10:32 pm
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12396 Views

Last post by bill bokey
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Evolution of the 100 watt superlead circuit

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Replies: 78
by VelvetGeorge » Wed Jan 26, 2005 5:15 pm
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Tue Nov 19, 2019 9:31 am
The PPIMV (Post-PI-Master-Volume) thread.

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Help Implementing Star/Larry Grounding scheme

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Heyboer vs MM.

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Forming filter caps

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

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by gnugear » Wed Jan 21, 2004 7:04 pm
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28082 Views

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

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

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Last post by ValveStorm
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THE HW Marshall thread. Tweaking it step by step.

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Modern Tubes 12ax7

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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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Mon Dec 21, 2015 2:02 am
NOS Tubes 12AX7

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

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

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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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G12M speaker shootout video. Celestion, Scumback, ASW

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

2 Replies

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Detailed Marshall circuit info

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by VelvetGeorge » Fri Mar 12, 2004 4:32 pm
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41 Replies

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Last post by bobtec
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Decription of output tube types....

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

14 Replies

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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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NOS pre advice wanted!

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The standby switch squeal

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Metro-Plex at Destroy All Guitars

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1 Replies

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My 50W Build! (with pics) - COMPLETE!!!

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by mwm523 » Sat Nov 17, 2007 10:25 am
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Late '68, early '69 restoration

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Bias pot mounting for plexi and JTM 45

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Parallel effects loop for Marshall style amps

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

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Wed Mar 20, 2013 6:55 pm
Switching the dual voltage PT taps

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Last post by pongo316
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Metro-Friedman "plexi" ready to go!

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Last post by SoloDallas
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Tung Sol Reissue 12AX7 not for CF stage !!!

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Last post by Lefty Lou
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NY amp show 2011 Clips posted!

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by VelvetGeorge » Thu Jun 09, 2011 11:25 am

5 Replies

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'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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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
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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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Rocker power switch replacement question

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Video from 2010 LA amp show

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Great videos featuring a Metropoulos JTM 50 replica

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Tube info

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Last post by wrea398
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Sometimes you just have to play some guitar....

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by VelvetGeorge » Fri Sep 14, 2007 4:38 pm
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Last post by skurtix
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50 Watt Plexi Kits!!!!

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by VelvetGeorge » Tue Oct 30, 2007 3:22 pm
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Last post by Jim SS
Tue Oct 20, 2009 11:21 am
100W MV kit clips from NY amp show

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

1 Replies

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

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by VelvetGeorge » Tue Aug 23, 2005 3:10 pm
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Last post by AkrW
Sat Jul 18, 2009 1:51 pm
Tech listings moving to the wiki

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2 Replies

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Last post by neikeel
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Counterfeit Tubes!

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Last post by demonufo
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Dagnal vs replica sound clips

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Last post by NitroLiq
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More headroom on Marshall 1959SLP RI

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Mesa Mark 4 Output Tranny swap ?

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