Repairs, Restoration and Mods

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Live on our new server. April 2016

Last post by jsstrozza1 « Tue Oct 08, 2024 7:59 pm
Posted in Plexi Replicas by Metropoulos Amplification
Replies: 23
by VelvetGeorge » Tue Apr 26, 2016 1:12 pm » in Plexi Replicas by Metropoulos Amplification
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23 Replies

219279 Views

Last post by jsstrozza1
Tue Oct 08, 2024 7:59 pm
Back online, should be for good this time.

Last post by Peter K « Mon May 30, 2016 12:04 am
Posted in MetroAmp Store and Site
Replies: 53
by VelvetGeorge » Thu May 15, 2014 5:23 pm » in MetroAmp Store and Site
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53 Replies

492850 Views

Last post by Peter K
Mon May 30, 2016 12:04 am
Forum Back Online - Other Work in Progress

Last post by admin « Sat Mar 01, 2014 5:03 am
Posted in MetroAmp Store and Site

by admin » Sat Mar 01, 2014 5:03 am » in MetroAmp Store and Site

0 Replies

95776 Views

Last post by admin
Sat Mar 01, 2014 5:03 am

Topics

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Views

Last post

Adding a DPDT Relay Switch to a 2203 for a (clean / regular)

Last post by Dariez75 « Mon May 21, 2018 4:33 pm
Replies: 8
by white noise » Mon Jan 18, 2016 3:41 pm

8 Replies

2099 Views

Last post by Dariez75
Mon May 21, 2018 4:33 pm
Component questions

Last post by Guns4hire03 « Thu May 10, 2018 7:31 pm
Replies: 2
by Guns4hire03 » Wed May 09, 2018 5:51 pm

2 Replies

985 Views

Last post by Guns4hire03
Thu May 10, 2018 7:31 pm
mustard factory date codes

Last post by whopperplate « Fri May 04, 2018 12:11 pm

by whopperplate » Fri May 04, 2018 12:11 pm

0 Replies

736 Views

Last post by whopperplate
Fri May 04, 2018 12:11 pm
Marshall VS265 OD1 to OD2 Issue

Last post by Templeisland « Wed Apr 25, 2018 5:36 pm

by Templeisland » Wed Apr 25, 2018 5:36 pm

0 Replies

764 Views

Last post by Templeisland
Wed Apr 25, 2018 5:36 pm
HELP! Installing the zero-loss effects loop in a Matamp GTV

Last post by burialcloud « Thu Apr 19, 2018 3:57 am
Replies: 8
by burialcloud » Wed Nov 07, 2012 5:07 am

8 Replies

2558 Views

Last post by burialcloud
Thu Apr 19, 2018 3:57 am
Shielded wire for Lar-Mar PPIMV?

Last post by shakti « Fri Mar 30, 2018 6:04 pm
Replies: 1
by shakti » Wed Mar 28, 2018 3:27 pm

1 Replies

1256 Views

Last post by shakti
Fri Mar 30, 2018 6:04 pm
50 watt blowing mains fuse

Last post by whopperplate « Thu Mar 29, 2018 12:33 am

by whopperplate » Thu Mar 29, 2018 12:33 am

0 Replies

767 Views

Last post by whopperplate
Thu Mar 29, 2018 12:33 am
WTB Two 67-69 Super PA plexi front panels and one 70's era metal back panel

Last post by mr.twistyneck « Fri Mar 23, 2018 2:31 pm

by mr.twistyneck » Fri Mar 23, 2018 2:31 pm

0 Replies

926 Views

Last post by mr.twistyneck
Fri Mar 23, 2018 2:31 pm
Can anyone explain the modification done by Fortin to 2203’s to add the girth and grind pots

Last post by volcomstone « Thu Mar 08, 2018 7:46 am

by volcomstone » Thu Mar 08, 2018 7:46 am

0 Replies

1160 Views

Last post by volcomstone
Thu Mar 08, 2018 7:46 am
Anybody familiar with this schematic? Incredible Hulk

Last post by ezs « Tue Feb 27, 2018 3:42 pm
Replies: 13
by slashl33t » Wed Apr 18, 2012 1:24 am

13 Replies

5304 Views

Last post by ezs
Tue Feb 27, 2018 3:42 pm
1973 Super bass problem

Last post by Rootz « Fri Feb 09, 2018 10:36 am
Replies: 3
by Rootz » Wed Feb 07, 2018 5:34 pm

3 Replies

1517 Views

Last post by Rootz
Fri Feb 09, 2018 10:36 am
New Mod 5 Photos

Last post by neikeel « Fri Feb 02, 2018 4:44 pm
Replies: 1
by Ronniejackjones » Thu Feb 01, 2018 8:35 pm

1 Replies

1335 Views

Last post by neikeel
Fri Feb 02, 2018 4:44 pm
Suggestions for polarity switch as a non-permanent mod?

Last post by danman « Tue Jan 30, 2018 7:04 pm
Replies: 1
by guitarjesus » Tue Jan 30, 2018 5:24 pm

1 Replies

787 Views

Last post by danman
Tue Jan 30, 2018 7:04 pm
Screen Grid Resistors Getting Cooked slowly

Last post by rip « Mon Jan 29, 2018 6:45 pm
Replies: 10
by matttornado » Tue Jan 31, 2017 2:17 pm

10 Replies

3182 Views

Last post by rip
Mon Jan 29, 2018 6:45 pm
Unicord 50 watter 1970 schematic?

Last post by Tazin « Thu Jan 25, 2018 9:03 am
Replies: 22
by 6adam7 » Mon Nov 27, 2017 5:21 am
1

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22 Replies

4398 Views

Last post by Tazin
Thu Jan 25, 2018 9:03 am
MOD 5 Filter cap help

Last post by StavPlexiHead « Mon Jan 22, 2018 9:44 am

by StavPlexiHead » Mon Jan 22, 2018 9:44 am

0 Replies

917 Views

Last post by StavPlexiHead
Mon Jan 22, 2018 9:44 am
Metro Zero Loss FX Loop in Bogner Shiva Silverback?

Last post by Medronio « Sun Jan 21, 2018 5:35 pm

by Medronio » Sun Jan 21, 2018 5:35 pm

0 Replies

764 Views

Last post by Medronio
Sun Jan 21, 2018 5:35 pm
Larry Grounding using PCB standoffs

Last post by kdmay « Fri Jan 19, 2018 7:33 pm

by kdmay » Fri Jan 19, 2018 7:33 pm

0 Replies

654 Views

Last post by kdmay
Fri Jan 19, 2018 7:33 pm
Performing the Mod 5 on a Mesa Boogie

Last post by danman « Fri Jan 19, 2018 6:23 pm
Replies: 1
by Ronniejackjones » Thu Jan 18, 2018 11:16 am

1 Replies

782 Views

Last post by danman
Fri Jan 19, 2018 6:23 pm
Got this modified 800, what mod is it?

Last post by darkbluemurder « Fri Jan 12, 2018 11:39 am
Replies: 1
by zerosadness » Mon Jan 01, 2018 4:10 pm

1 Replies

1110 Views

Last post by darkbluemurder
Fri Jan 12, 2018 11:39 am
Resonant circuit for better bass.

Last post by stevensamps « Fri Jan 05, 2018 8:21 pm

by stevensamps » Fri Jan 05, 2018 8:21 pm

0 Replies

886 Views

Last post by stevensamps
Fri Jan 05, 2018 8:21 pm
Can anybody help identify which mods I have in my 1987X?

Last post by Littlewyan « Fri Jan 05, 2018 9:57 am
Replies: 1
by MrRGecko » Wed Jan 03, 2018 12:31 pm

1 Replies

1289 Views

Last post by Littlewyan
Fri Jan 05, 2018 9:57 am
1959 sounds harsh after blowing the HT fuse

Last post by Mrk200 « Sat Dec 30, 2017 7:38 pm

by Mrk200 » Sat Dec 30, 2017 7:38 pm

0 Replies

724 Views

Last post by Mrk200
Sat Dec 30, 2017 7:38 pm
Bugera 1960 Cascade/RR/1 Wire Mod

Last post by oceait « Fri Dec 08, 2017 4:11 pm
Replies: 17
by protestsong » Tue Aug 09, 2011 6:18 pm
1

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17 Replies

20922 Views

Last post by oceait
Fri Dec 08, 2017 4:11 pm
1969 Superlead Chassis Corrosion Protection

Last post by neikeel « Sat Nov 25, 2017 7:51 am
Replies: 1
by eagle » Mon Nov 20, 2017 4:22 am

1 Replies

816 Views

Last post by neikeel
Sat Nov 25, 2017 7:51 am
Internal input jumper mod schematic?

Last post by jerrydyer « Tue Nov 21, 2017 9:37 pm
Replies: 1
by SpHj » Fri Oct 13, 2017 8:59 pm

1 Replies

943 Views

Last post by jerrydyer
Tue Nov 21, 2017 9:37 pm
Marshall Artist 3203 Repair

Last post by jerrydyer « Sat Oct 28, 2017 12:09 am
Replies: 1
by CougarSnuff » Sat Jul 15, 2017 3:04 pm

1 Replies

1364 Views

Last post by jerrydyer
Sat Oct 28, 2017 12:09 am
mod my jca20 head

Last post by stump « Fri Oct 13, 2017 12:54 pm
Replies: 3
by dxjxrose » Tue Oct 03, 2017 4:08 pm

3 Replies

1862 Views

Last post by stump
Fri Oct 13, 2017 12:54 pm
1959HW Negative Feedback (Options?)

Last post by Wallace « Tue Sep 26, 2017 6:07 am

by Wallace » Tue Sep 26, 2017 6:07 am

0 Replies

745 Views

Last post by Wallace
Tue Sep 26, 2017 6:07 am
Output Coupling Caps and Bass response

Last post by FourT6and2 « Wed Jul 26, 2017 11:33 am
Replies: 22
by Kapo_Polenton » Thu Jun 26, 2008 4:27 pm
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22 Replies

7286 Views

Last post by FourT6and2
Wed Jul 26, 2017 11:33 am
Source for Vishay/Beyschlag MBE0414 Resistors?

Last post by FourT6and2 « Wed Jul 19, 2017 9:51 pm
Replies: 18
by FourT6and2 » Thu May 11, 2017 6:37 pm
1

2
18 Replies

4014 Views

Last post by FourT6and2
Wed Jul 19, 2017 9:51 pm
1959 "normal" behavour

Last post by jerrydyer « Mon Jul 03, 2017 10:52 pm
Replies: 1
by covil » Fri Jun 30, 2017 12:09 pm

1 Replies

1240 Views

Last post by jerrydyer
Mon Jul 03, 2017 10:52 pm
1987X NFB circuit help!

Last post by danman « Mon Jun 26, 2017 8:27 pm
Replies: 3
by Dr_Stav » Mon Jun 26, 2017 7:15 am

3 Replies

1248 Views

Last post by danman
Mon Jun 26, 2017 8:27 pm
CAE Dookie Mod Question

Last post by neikeel « Mon Jun 26, 2017 5:24 pm
Replies: 1
by I.T. » Thu Jun 22, 2017 9:19 pm

1 Replies

1457 Views

Last post by neikeel
Mon Jun 26, 2017 5:24 pm
77 JMP 2203 EL34 amp

Last post by dan_tramble « Mon Jun 12, 2017 5:12 pm
Replies: 5
by dan_tramble » Fri Jun 09, 2017 9:11 pm

5 Replies

1412 Views

Last post by dan_tramble
Mon Jun 12, 2017 5:12 pm
elevated heaters

Last post by herbvis « Sat Jun 10, 2017 5:59 pm
Replies: 2
by herbvis » Sat Jun 10, 2017 11:52 am

2 Replies

1201 Views

Last post by herbvis
Sat Jun 10, 2017 5:59 pm
Paul Gilbert Marshall 1987 50w Lee Jackson

Last post by EddieLenz « Sat Jun 10, 2017 10:55 am

by EddieLenz » Sat Jun 10, 2017 10:55 am

0 Replies

881 Views

Last post by EddieLenz
Sat Jun 10, 2017 10:55 am
I have a couple of mod and filter cap questions

Last post by Brentsp « Fri Jun 09, 2017 11:28 am

by Brentsp » Fri Jun 09, 2017 11:28 am

0 Replies

741 Views

Last post by Brentsp
Fri Jun 09, 2017 11:28 am
3-Way Preamp Bias Switch: Is it worth It?

Last post by FourT6and2 « Sat May 27, 2017 7:34 pm

by FourT6and2 » Sat May 27, 2017 7:34 pm

0 Replies

851 Views

Last post by FourT6and2
Sat May 27, 2017 7:34 pm
PCB to PTP on a 1987x

Last post by Greg_L « Sat May 27, 2017 12:35 am
Replies: 4
by Greg_L » Tue May 16, 2017 11:50 am

4 Replies

1278 Views

Last post by Greg_L
Sat May 27, 2017 12:35 am
Channel Switching Mod-on a JCM 800?

Last post by motherdrive « Mon May 22, 2017 5:32 pm
Replies: 26
by syscokid » Wed Jun 12, 2013 7:28 am
1

2
26 Replies

12431 Views

Last post by motherdrive
Mon May 22, 2017 5:32 pm
Xenrelic Luminary Overdrive Hi Gain Plexi Mod.

Last post by tubekiller007 « Fri May 19, 2017 4:11 pm
Replies: 85
by xenrelic » Mon Mar 23, 2009 5:43 am
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85 Replies

23478 Views

Last post by tubekiller007
Fri May 19, 2017 4:11 pm
+4/-10 loop level switch (Bogner Ecstasy)

Last post by Setneck « Mon May 08, 2017 4:47 pm

by Setneck » Mon May 08, 2017 4:47 pm

0 Replies

847 Views

Last post by Setneck
Mon May 08, 2017 4:47 pm
One-wire mod for 1987x - help please!

Last post by Greg_L « Sat May 06, 2017 12:59 am
Replies: 2
by Greg_L » Thu May 04, 2017 9:39 pm

2 Replies

1807 Views

Last post by Greg_L
Sat May 06, 2017 12:59 am
shared-split cathode switch ?

Last post by THChrist « Fri Apr 14, 2017 9:49 pm
Replies: 38
by Xplorer » Wed Feb 10, 2010 12:52 pm
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38 Replies

10471 Views

Last post by THChrist
Fri Apr 14, 2017 9:49 pm
help with jmp 2203 and #34 slash mod

Last post by wdelaney72 « Wed Apr 12, 2017 12:51 pm
Replies: 1
by theundertakermc » Wed Apr 05, 2017 6:17 pm

1 Replies

1185 Views

Last post by wdelaney72
Wed Apr 12, 2017 12:51 pm
"Type 3" Cross Line Master Volume from the Trainwreck Pages

Last post by matttornado « Tue Mar 28, 2017 9:20 am

by matttornado » Tue Mar 28, 2017 9:20 am

0 Replies

1072 Views

Last post by matttornado
Tue Mar 28, 2017 9:20 am
JTM 60 boost channel not working HELP???

Last post by SteinRR « Thu Mar 23, 2017 8:29 am
Replies: 1
by torcamaniac » Thu Apr 28, 2016 12:59 am

1 Replies

1035 Views

Last post by SteinRR
Thu Mar 23, 2017 8:29 am
Fuzz/Phase shifting effect (muskito flying by) in the mids

Last post by danielesindaco « Wed Mar 15, 2017 9:24 am
Replies: 175
by 5150loveeddie » Sat Jun 21, 2008 5:28 pm
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175 Replies

48999 Views

Last post by danielesindaco
Wed Mar 15, 2017 9:24 am
Reducing Voltages at V1... Is this OK?

Last post by danman « Tue Mar 14, 2017 4:40 pm
Replies: 3
by syscokid » Sun Mar 12, 2017 12:24 pm

3 Replies

1298 Views

Last post by danman
Tue Mar 14, 2017 4:40 pm

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