Valve (Tube) Amps 101

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The forum lives !

Last post by Andy « Tue Jul 24, 2018 6:10 pm
Posted in JVM Discussion
Replies: 54
by Andy » Mon May 14, 2018 10:36 pm » in JVM Discussion
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54 Replies

10319 Views

Last post by Andy
Tue Jul 24, 2018 6:10 pm
Forum Avatars and Signatures

Last post by jimsreynolds « Thu Apr 24, 2014 4:37 pm
Posted in JVM Discussion
Replies: 1
by Andy » Thu Apr 24, 2014 4:25 pm » in JVM Discussion

1 Replies

10236 Views

Last post by jimsreynolds
Thu Apr 24, 2014 4:37 pm
How to join the forum / signup

Last post by The Pup « Tue Feb 24, 2009 8:59 pm
Posted in JVM Discussion
Replies: 8
by Andy » Sun Feb 08, 2009 5:59 pm » in JVM Discussion

8 Replies

38777 Views

Last post by The Pup
Tue Feb 24, 2009 8:59 pm

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JVM205H Stock Tubes?

Last post by DalyCro « Wed Sep 27, 2017 6:38 pm
Replies: 1
by apico » Wed Sep 27, 2017 3:19 am

1 Replies

372 Views

Last post by DalyCro
Wed Sep 27, 2017 6:38 pm
That New Amp Smell :)

Last post by Vomitile « Mon Sep 14, 2015 8:59 pm
Replies: 18
by fordsho90 » Fri Mar 11, 2011 2:05 am
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18 Replies

4578 Views

Last post by Vomitile
Mon Sep 14, 2015 8:59 pm
Great article about how vacuum tubes / valves work

Last post by jof « Fri Dec 19, 2014 9:30 pm
Replies: 8
by Stefhanvdk » Wed Dec 17, 2014 10:25 pm

8 Replies

1722 Views

Last post by jof
Fri Dec 19, 2014 9:30 pm
Need new tubes 6V6's for my Laney ProTube AOR 30W combo

Last post by marshall1969 « Mon Nov 10, 2014 1:24 am
Replies: 8
by Tonemeister » Sat Nov 30, 2013 4:44 am

8 Replies

2613 Views

Last post by marshall1969
Mon Nov 10, 2014 1:24 am
Strange issue with my Egnater Vengeance

Last post by tdgamblin « Sat May 03, 2014 2:32 am

by tdgamblin » Sat May 03, 2014 2:32 am

0 Replies

1109 Views

Last post by tdgamblin
Sat May 03, 2014 2:32 am
Revisiting the proper powering on procedure for a newbie

Last post by Tonemeister « Thu Nov 21, 2013 11:20 pm
Replies: 18
by jupooka » Tue Nov 05, 2013 12:40 pm
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18 Replies

2468 Views

Last post by Tonemeister
Thu Nov 21, 2013 11:20 pm
Pulling a matched quad for testing in another amp

Last post by Andy « Wed Oct 30, 2013 1:52 pm
Replies: 1
by Jackie » Wed Oct 30, 2013 11:33 am

1 Replies

727 Views

Last post by Andy
Wed Oct 30, 2013 1:52 pm
Brilliant tube amp article

Last post by Jackie « Thu Aug 15, 2013 4:36 pm
Replies: 5
by S&M Freddy » Tue Aug 13, 2013 9:01 pm

5 Replies

1596 Views

Last post by Jackie
Thu Aug 15, 2013 4:36 pm
Why my amp tubes take 1 hour 15 min to warm up?

Last post by spikei « Wed Jul 03, 2013 9:30 pm
Replies: 5
by odrareg » Mon Apr 15, 2013 10:30 am

5 Replies

1427 Views

Last post by spikei
Wed Jul 03, 2013 9:30 pm
Question for techs/tweakers - not JVM specific, but related

Last post by GuitarDog « Wed Jul 03, 2013 6:17 pm
Replies: 3
by Surfcaster » Fri Nov 27, 2009 2:46 pm

3 Replies

1686 Views

Last post by GuitarDog
Wed Jul 03, 2013 6:17 pm
understanding audio phase

Last post by Tonemeister « Thu May 09, 2013 2:39 pm
Replies: 10
by KronosMN » Wed May 01, 2013 8:43 pm

10 Replies

2048 Views

Last post by Tonemeister
Thu May 09, 2013 2:39 pm
A Nice FAQ for Newbs like me

Last post by jimsreynolds « Thu May 02, 2013 9:53 am
Replies: 4
by KronosMN » Wed May 01, 2013 8:31 pm

4 Replies

5104 Views

Last post by jimsreynolds
Thu May 02, 2013 9:53 am
Good Power Attenuator?

Last post by hi_range « Wed Oct 03, 2012 9:47 pm
Replies: 4
by Kramer » Mon Dec 01, 2008 3:02 am

4 Replies

2720 Views

Last post by hi_range
Wed Oct 03, 2012 9:47 pm
v1, v2, v3, v4, v5 What does it all mean?

Last post by monnkey2 « Fri Sep 28, 2012 8:50 pm
Replies: 6
by monnkey2 » Sun Sep 23, 2012 9:01 pm

6 Replies

4512 Views

Last post by monnkey2
Fri Sep 28, 2012 8:50 pm
New Tubes

Last post by Dark Horse « Sat Sep 15, 2012 6:26 am
Replies: 1
by dkaptain » Sat Sep 15, 2012 4:46 am

1 Replies

1240 Views

Last post by Dark Horse
Sat Sep 15, 2012 6:26 am
More pre-amp stuff

Last post by phippo44 « Fri Dec 09, 2011 5:51 pm
Replies: 9
by RachelMorgan » Sat Sep 13, 2008 5:11 am

9 Replies

3096 Views

Last post by phippo44
Fri Dec 09, 2011 5:51 pm
Buying some 6L6 tubes....

Last post by fordsho90 « Sun Nov 13, 2011 8:54 pm
Replies: 5
by fordsho90 » Sun Nov 13, 2011 7:38 pm

5 Replies

1614 Views

Last post by fordsho90
Sun Nov 13, 2011 8:54 pm
Engl Death InVader....Pulled the chassis last night....

Last post by waynerd « Tue Jul 19, 2011 10:36 pm
Replies: 37
by fordsho90 » Thu Jul 07, 2011 5:37 pm
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37 Replies

5447 Views

Last post by waynerd
Tue Jul 19, 2011 10:36 pm
Anyone know a good tube amp book to curl up with? Casey??

Last post by waynerd « Sun Jul 17, 2011 3:44 am
Replies: 9
by waynerd » Thu Jul 14, 2011 1:02 am

9 Replies

2213 Views

Last post by waynerd
Sun Jul 17, 2011 3:44 am
Valves

Last post by Mats A « Wed Jun 22, 2011 5:58 pm
Replies: 13
by Mats A » Thu Apr 28, 2011 9:37 pm

13 Replies

2592 Views

Last post by Mats A
Wed Jun 22, 2011 5:58 pm
Strange noise - is it valves?

Last post by that-was-scubadaz « Thu Jun 16, 2011 11:18 am
Replies: 25
by bauhausbullet » Fri Jun 10, 2011 8:43 am
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25 Replies

3220 Views

Last post by that-was-scubadaz
Thu Jun 16, 2011 11:18 am
"Burning in" or "breaking in" tubes???

Last post by Todd Zila « Mon Jun 13, 2011 11:50 pm
Replies: 4
by Jackie » Sat Jun 04, 2011 9:57 pm

4 Replies

2154 Views

Last post by Todd Zila
Mon Jun 13, 2011 11:50 pm
when are valves broken?

Last post by Jackie « Sat Jun 04, 2011 8:11 pm
Replies: 2
by Solenoid » Sat Jun 04, 2011 7:36 pm

2 Replies

1407 Views

Last post by Jackie
Sat Jun 04, 2011 8:11 pm
Funny little theory I have...

Last post by Todd Zila « Fri Apr 22, 2011 3:34 am
Replies: 12
by Jackie » Tue Mar 01, 2011 4:41 pm

12 Replies

2238 Views

Last post by Todd Zila
Fri Apr 22, 2011 3:34 am
Marshall Valvestate VS-100

Last post by Bam Bam « Mon Jan 31, 2011 10:02 pm
Replies: 8
by MetalManJerry » Fri Dec 28, 2007 8:58 pm

8 Replies

5176 Views

Last post by Bam Bam
Mon Jan 31, 2011 10:02 pm
mixing tubes in tsl100

Last post by Flameout12 « Wed Jun 23, 2010 11:54 am
Replies: 2
by riden21 » Sat Jun 19, 2010 11:48 am

2 Replies

1257 Views

Last post by Flameout12
Wed Jun 23, 2010 11:54 am
ON vs. OFF Procedure

Last post by Donnan « Thu Feb 25, 2010 3:45 pm
Replies: 17
by Dark Horse » Sat Dec 01, 2007 7:34 am
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17 Replies

4568 Views

Last post by Donnan
Thu Feb 25, 2010 3:45 pm
Master volume on a 1959 Marshall amp?

Last post by santiall « Fri Feb 19, 2010 5:30 am
Replies: 5
by Mats A » Thu Feb 04, 2010 10:30 pm

5 Replies

1862 Views

Last post by santiall
Fri Feb 19, 2010 5:30 am
V3 - An Important Preamp Stage

Last post by Hot 'Lanta Cat « Mon Dec 11, 2017 2:09 am
Replies: 23
by marshallmellowed » Fri Oct 23, 2009 6:26 pm
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23 Replies

8462 Views

Last post by Hot 'Lanta Cat
Mon Dec 11, 2017 2:09 am
Retubing: one or all?

Last post by woodrock « Sat Oct 03, 2009 10:54 pm
Replies: 12
by CavemanPT » Thu Oct 01, 2009 7:58 pm

12 Replies

2767 Views

Last post by woodrock
Sat Oct 03, 2009 10:54 pm
Old Marshalls -interesting photos

Last post by Australian « Thu Apr 16, 2009 5:32 pm

by Australian » Thu Apr 16, 2009 5:32 pm

0 Replies

1514 Views

Last post by Australian
Thu Apr 16, 2009 5:32 pm
Mullard Tubes from England.

Last post by ken361 « Sun Oct 04, 2009 2:32 pm
Replies: 5
by gruggier » Fri Feb 13, 2009 3:30 pm

5 Replies

2384 Views

Last post by ken361
Sun Oct 04, 2009 2:32 pm
12AX7 Shootout

Last post by RobertJerrythomson « Tue Dec 30, 2014 5:16 am
Replies: 36
by jpm242 » Thu Jul 10, 2008 7:05 pm
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36 Replies

11512 Views

Last post by RobertJerrythomson
Tue Dec 30, 2014 5:16 am
Amp retubed

Last post by Todd Zila « Fri Oct 24, 2008 6:51 am
Replies: 5
by Stratmann » Thu Oct 23, 2008 12:05 am

5 Replies

3005 Views

Last post by Todd Zila
Fri Oct 24, 2008 6:51 am
KT88s?

Last post by ach91 « Mon Feb 14, 2011 2:53 am
Replies: 34
by JonVengeance » Tue Oct 21, 2008 3:52 am
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34 Replies

8778 Views

Last post by ach91
Mon Feb 14, 2011 2:53 am
Eurotubes KT77 Gold pin retube kit!

Last post by tripwire « Tue Nov 04, 2008 8:03 pm
Replies: 18
by BeachPirate » Sat May 17, 2008 8:55 pm
1

2
18 Replies

5701 Views

Last post by tripwire
Tue Nov 04, 2008 8:03 pm
12DW7

Last post by Tripp « Thu Dec 24, 2009 5:48 pm
Replies: 7
by RachelMorgan » Tue Sep 30, 2008 5:12 am

7 Replies

2491 Views

Last post by Tripp
Thu Dec 24, 2009 5:48 pm
Anyone try these tubes...

Last post by LG « Fri Sep 26, 2008 2:16 pm
Replies: 7
by LG » Sat Sep 20, 2008 3:58 am

7 Replies

2234 Views

Last post by LG
Fri Sep 26, 2008 2:16 pm
New Tube Design on the Horizon

Last post by hotthands « Sun Sep 14, 2008 8:36 pm
Replies: 1
by The Pup » Sun Sep 14, 2008 7:16 pm

1 Replies

1481 Views

Last post by hotthands
Sun Sep 14, 2008 8:36 pm
I'll need to order a quad soon

Last post by Monstercastle « Sun Sep 14, 2008 11:55 am
Replies: 6
by RachelMorgan » Fri Sep 12, 2008 7:10 pm

6 Replies

1850 Views

Last post by Monstercastle
Sun Sep 14, 2008 11:55 am
What's the Poop with these Volume Boxes?

Last post by santiall « Tue Aug 26, 2008 12:55 pm
Replies: 12
by Machine Pagan » Fri Aug 22, 2008 2:55 pm

12 Replies

2470 Views

Last post by santiall
Tue Aug 26, 2008 12:55 pm
First post here (tube question)

Last post by Surfcaster « Mon Aug 18, 2008 4:29 pm
Replies: 10
by troublehead » Sat Aug 16, 2008 4:16 am

10 Replies

2311 Views

Last post by Surfcaster
Mon Aug 18, 2008 4:29 pm
Mullard Vrs Tungsol Vrs Marshall JJ Red label

Last post by Tomi « Mon Sep 24, 2012 11:54 pm
Replies: 21
by gezza » Tue Aug 12, 2008 5:23 am
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21 Replies

5644 Views

Last post by Tomi
Mon Sep 24, 2012 11:54 pm
Tungsol 12AX7 Users: What Percentage Have Been Faulty

Last post by Machine Pagan « Thu Aug 14, 2008 4:43 am
Replies: 13
by Machine Pagan » Tue Aug 05, 2008 1:35 am

13 Replies

3684 Views

Last post by Machine Pagan
Thu Aug 14, 2008 4:43 am
So I boughts me some TungSol preamps tubes, see

Last post by ken361 « Sun Apr 11, 2010 3:11 pm
Replies: 9
by Towelie » Mon Jun 23, 2008 3:45 am

9 Replies

3572 Views

Last post by ken361
Sun Apr 11, 2010 3:11 pm
Tube in V1

Last post by Tnjpekar « Mon Jul 14, 2008 9:49 pm
Replies: 5
by dr_zius » Wed Jul 09, 2008 8:27 am

5 Replies

3055 Views

Last post by Tnjpekar
Mon Jul 14, 2008 9:49 pm
Hi. Here's some info about a new set of Tung-Sols

Last post by tripwire « Tue Jul 08, 2008 12:40 am
Replies: 17
by Towelie » Thu Jul 03, 2008 8:39 pm
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17 Replies

3767 Views

Last post by tripwire
Tue Jul 08, 2008 12:40 am
Replacing Power Tubes

Last post by stryker59 « Mon Jun 23, 2008 2:39 pm
Replies: 10
by KRZ4MARSHALL » Thu Jun 12, 2008 3:12 am

10 Replies

3440 Views

Last post by stryker59
Mon Jun 23, 2008 2:39 pm

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