Valves

New Topic

Mark topics read • 507 topics

Page 1 of 11
- Jump to page:
1
2
3
4
5
…
11
Next

Topics

Replies

Views

Last post

6pi13C known as 6P13S equivalent beam tube to EL36

Last post by Paul Barker « Tue Aug 26, 2025 2:44 pm
Replies: 14
by Paul Barker » Tue Aug 12, 2025 10:53 am

14 Replies

65406 Views

Last post by Paul Barker
Tue Aug 26, 2025 2:44 pm
PL38 cheap version of EL38

Last post by Paul Barker « Fri Jun 13, 2025 11:35 am

by Paul Barker » Fri Jun 13, 2025 11:35 am

0 Replies

57806 Views

Last post by Paul Barker
Fri Jun 13, 2025 11:35 am
GU81 Triode Connected Push Pull

Last post by Paul Barker « Mon Mar 03, 2025 6:41 pm
Replies: 19
by Paul Barker » Tue Feb 25, 2025 4:37 pm
1

2
19 Replies

137970 Views

Last post by Paul Barker
Mon Mar 03, 2025 6:41 pm
EL33 I’ll sell this pair on eBay

Last post by Paul Barker « Thu Jan 30, 2025 12:03 pm
Replies: 7
by Paul Barker » Thu Jan 23, 2025 8:57 am

7 Replies

41345 Views

Last post by Paul Barker
Thu Jan 30, 2025 12:03 pm
6GK6 different pinout to EL84 otherwise exact same valve

Last post by jiril388 « Tue Jan 28, 2025 11:38 pm
Replies: 3
by Paul Barker » Thu Jan 23, 2025 8:32 am

3 Replies

20321 Views

Last post by jiril388
Tue Jan 28, 2025 11:38 pm
12e1

Last post by Paul Barker « Wed Jan 22, 2025 5:51 am
Replies: 7
by Paul Barker » Tue Jan 21, 2025 5:19 pm

7 Replies

28670 Views

Last post by Paul Barker
Wed Jan 22, 2025 5:51 am
Help salvaging a WD Kit6550 (or not)

Last post by Paul Barker « Thu Jan 16, 2025 7:06 am
Replies: 25
by jmc » Mon Jan 06, 2025 8:04 am
1

2
25 Replies

69764 Views

Last post by Paul Barker
Thu Jan 16, 2025 7:06 am
Western Electric 300B

Last post by RhythMick « Sat Oct 26, 2024 7:20 pm
Replies: 3
by mainscablesrus » Sat Oct 26, 2024 5:47 pm

3 Replies

34305 Views

Last post by RhythMick
Sat Oct 26, 2024 7:20 pm
WAD KEL84 as power amp & Duelund cable

Last post by adrian « Tue Sep 10, 2024 3:40 pm

by adrian » Tue Sep 10, 2024 3:40 pm

0 Replies

44444 Views

Last post by adrian
Tue Sep 10, 2024 3:40 pm
Diode spreadsheet help please?

Last post by Paul Barker « Wed Aug 14, 2024 4:11 pm
Replies: 9
by Paul Barker » Wed Jan 01, 2014 9:38 pm

9 Replies

63233 Views

Last post by Paul Barker
Wed Aug 14, 2024 4:11 pm
New Transcendent pre-amp

Last post by Jwro « Mon Jun 24, 2024 6:39 pm
Replies: 5
by Ray P » Sat Aug 01, 2020 7:59 am

5 Replies

48645 Views

Last post by Jwro
Mon Jun 24, 2024 6:39 pm
Dying Rectifier?

Last post by Mike H « Tue May 21, 2024 3:39 pm
Replies: 28
by simon » Thu May 16, 2024 6:08 pm
1

2
28 Replies

77505 Views

Last post by Mike H
Tue May 21, 2024 3:39 pm
Valve amplifier service

Last post by Mike H « Fri May 17, 2024 7:42 pm
Replies: 200
by bostod » Sat Apr 01, 2023 7:45 am
1

…

10

11

12

13

14
200 Replies

455012 Views

Last post by Mike H
Fri May 17, 2024 7:42 pm
MAZDA AC/P4

Last post by ACPEN « Thu Apr 18, 2024 5:03 pm

by ACPEN » Thu Apr 18, 2024 5:03 pm

0 Replies

46127 Views

Last post by ACPEN
Thu Apr 18, 2024 5:03 pm
PP3521 idht

Last post by Paul Barker « Sat Feb 03, 2024 6:22 am
Replies: 95
by Paul Barker » Fri Mar 17, 2023 6:29 pm
1

…

3

4

5

6

7
95 Replies

192648 Views

Last post by Paul Barker
Sat Feb 03, 2024 6:22 am
Latest 300b valves

Last post by Rexton « Fri Sep 08, 2023 8:18 pm
Replies: 19
by Rexton » Fri Aug 25, 2023 7:16 pm
1

2
19 Replies

84153 Views

Last post by Rexton
Fri Sep 08, 2023 8:18 pm
Four-wire capacitors

Last post by Paul Barker « Mon Aug 14, 2023 6:32 pm
Replies: 1
by Morgan Jones » Mon Aug 14, 2023 5:19 pm

1 Replies

34601 Views

Last post by Paul Barker
Mon Aug 14, 2023 6:32 pm
Is this a Valve of some kind?

Last post by Mike H « Wed Jun 28, 2023 6:25 pm
Replies: 12
by Dave the bass » Mon Oct 04, 2021 9:29 pm

12 Replies

56064 Views

Last post by Mike H
Wed Jun 28, 2023 6:25 pm
Tube geekery to pass the time.

Last post by Boiss « Tue Jun 13, 2023 11:00 am
Replies: 28
by Cressy Snr » Wed Dec 29, 2021 12:56 pm
1

2
28 Replies

84223 Views

Last post by Boiss
Tue Jun 13, 2023 11:00 am
Ed

Last post by Nick « Wed Mar 08, 2023 10:26 am
Replies: 22
by Paul Barker » Sun Mar 05, 2023 6:31 pm
1

2
22 Replies

76848 Views

Last post by Nick
Wed Mar 08, 2023 10:26 am
What are the oldest affordable valves you can still buy?

Last post by steve s « Tue Feb 07, 2023 4:16 pm
Replies: 13
by Thermionic Idler » Mon Feb 06, 2023 9:59 am

13 Replies

65412 Views

Last post by steve s
Tue Feb 07, 2023 4:16 pm
Any cure for a noisy valve?

Last post by Max N « Sun Jan 22, 2023 4:59 pm
Replies: 9
by Max N » Sat Jan 14, 2023 1:26 pm

9 Replies

47586 Views

Last post by Max N
Sun Jan 22, 2023 4:59 pm
VT-127A

Last post by IslandPink « Fri Jul 01, 2022 10:34 pm

by IslandPink » Fri Jul 01, 2022 10:34 pm

0 Replies

64019 Views

Last post by IslandPink
Fri Jul 01, 2022 10:34 pm
6V6 alternatives

Last post by Paul Barker « Wed Apr 13, 2022 5:04 am
Replies: 2
by Paul Barker » Tue Apr 12, 2022 3:20 pm

2 Replies

36529 Views

Last post by Paul Barker
Wed Apr 13, 2022 5:04 am
Another cheap 300B !

Last post by IslandPink « Mon Mar 07, 2022 6:58 pm
Replies: 4
by IslandPink » Mon Mar 15, 2021 10:42 pm

4 Replies

43737 Views

Last post by IslandPink
Mon Mar 07, 2022 6:58 pm
EL82

Last post by Paul Barker « Mon Jan 24, 2022 10:57 am
Replies: 1
by Paul Barker » Mon Jan 24, 2022 10:41 am

1 Replies

34058 Views

Last post by Paul Barker
Mon Jan 24, 2022 10:57 am
1619

Last post by Paul Barker « Sun Dec 19, 2021 10:31 am
Replies: 4
by Paul Barker » Thu Dec 16, 2021 6:31 pm

4 Replies

38215 Views

Last post by Paul Barker
Sun Dec 19, 2021 10:31 am
D3a Triode Square Wave shows HF boost

Last post by Mike H « Wed Jul 28, 2021 9:29 pm
Replies: 17
by RhythMick » Fri Jul 23, 2021 9:19 pm
1

2
17 Replies

74850 Views

Last post by Mike H
Wed Jul 28, 2021 9:29 pm
Class A2 - heater hum

Last post by Paul Barker « Thu Jul 22, 2021 6:34 pm
Replies: 7
by ACPEN » Thu Jul 22, 2021 10:08 am

7 Replies

41688 Views

Last post by Paul Barker
Thu Jul 22, 2021 6:34 pm
801A VT62 Power and Distortion

Last post by RhythMick « Thu Jul 15, 2021 9:16 pm
Replies: 40
by Paul Barker » Fri Apr 06, 2012 8:11 am
1

2

3
40 Replies

131683 Views

Last post by RhythMick
Thu Jul 15, 2021 9:16 pm
Marconi DA100 Valves

Last post by Nick « Wed Jun 30, 2021 4:41 pm
Replies: 9
by Cal » Tue Jun 29, 2021 8:16 am

9 Replies

49954 Views

Last post by Nick
Wed Jun 30, 2021 4:41 pm
Another insane valve for phonos

Last post by Nick « Sun May 30, 2021 11:26 pm
Replies: 12
by IslandPink » Wed Jul 08, 2020 8:21 pm

12 Replies

56482 Views

Last post by Nick
Sun May 30, 2021 11:26 pm
SRPP stage useing a 5670

Last post by ruffrecords « Thu May 27, 2021 9:53 pm
Replies: 19
by acorn » Sat Oct 06, 2018 3:38 pm
1

2
19 Replies

89104 Views

Last post by ruffrecords
Thu May 27, 2021 9:53 pm
Seraphim Phonostage

Last post by ruffrecords « Wed May 26, 2021 11:47 am
Replies: 7
by JohnG » Mon Feb 24, 2020 5:58 am

7 Replies

47704 Views

Last post by ruffrecords
Wed May 26, 2021 11:47 am
211

Last post by IslandPink « Tue May 11, 2021 2:59 pm
Replies: 12
by ed » Sun May 02, 2021 9:38 am

12 Replies

54273 Views

Last post by IslandPink
Tue May 11, 2021 2:59 pm
WAD 300b hum and buzz

Last post by Nick « Sun Nov 15, 2020 3:27 pm
Replies: 3
by adrian » Sat Nov 02, 2019 3:17 pm

3 Replies

45838 Views

Last post by Nick
Sun Nov 15, 2020 3:27 pm
john wood kt88 amp

Last post by jayman67 « Sun Sep 06, 2020 6:01 pm

by jayman67 » Sun Sep 06, 2020 6:01 pm

0 Replies

41739 Views

Last post by jayman67
Sun Sep 06, 2020 6:01 pm
Interesting Meters & 300B amp

Last post by RhythMick « Sun Jul 26, 2020 2:11 pm
Replies: 1
by Ray P » Sat Jul 25, 2020 10:42 pm

1 Replies

34551 Views

Last post by RhythMick
Sun Jul 26, 2020 2:11 pm
Saw these and thought of you guys...

Last post by Ali Tait « Fri Jul 17, 2020 5:50 pm
Replies: 22
by Ray P » Thu Jul 16, 2020 7:07 pm
1

2
22 Replies

78836 Views

Last post by Ali Tait
Fri Jul 17, 2020 5:50 pm
Help needed on kt88 WAD amplifier

Last post by Nick « Thu Jul 02, 2020 10:20 pm
Replies: 3
by bostod » Thu Jul 02, 2020 10:32 am

3 Replies

41824 Views

Last post by Nick
Thu Jul 02, 2020 10:20 pm
6AK5 and 6AK6 anyone aware of circuits for us with?

Last post by Paul Barker « Sat Jun 27, 2020 9:48 pm
Replies: 2
by Paul Barker » Sat Jun 27, 2020 6:37 pm

2 Replies

38135 Views

Last post by Paul Barker
Sat Jun 27, 2020 9:48 pm
Cheap integrated on ebay, with MM stage. Opinions?

Last post by adrian « Thu Jun 11, 2020 12:26 pm
Replies: 7
by adrian » Tue Jun 09, 2020 2:14 pm

7 Replies

49246 Views

Last post by adrian
Thu Jun 11, 2020 12:26 pm
Tung Sol

Last post by Paul Barker « Mon Jun 08, 2020 9:21 pm
Replies: 6
by Baggy Trousers » Mon Jun 08, 2020 9:53 am

6 Replies

45936 Views

Last post by Paul Barker
Mon Jun 08, 2020 9:21 pm
CV315/4304CB/VT62 - RAF Transmitter

Last post by pre65 « Wed Apr 08, 2020 1:08 pm
Replies: 25
by Cressy Snr » Sun Mar 07, 2010 4:35 pm
1

2
25 Replies

97465 Views

Last post by pre65
Wed Apr 08, 2020 1:08 pm
Beard P101 amplifier.

Last post by Mike H « Thu Feb 06, 2020 8:39 pm
Replies: 14
by Chopsaw » Sun Feb 02, 2020 1:24 pm

14 Replies

78617 Views

Last post by Mike H
Thu Feb 06, 2020 8:39 pm
uTracer v6

Last post by jack « Sat Jan 04, 2020 4:59 pm

by jack » Sat Jan 04, 2020 4:59 pm

0 Replies

36907 Views

Last post by jack
Sat Jan 04, 2020 4:59 pm
Valve Tester

Last post by little eddy « Tue Nov 12, 2019 2:44 pm
Replies: 2
by little eddy » Mon Nov 11, 2019 4:12 pm

2 Replies

38698 Views

Last post by little eddy
Tue Nov 12, 2019 2:44 pm
TAD KT88-STR

Last post by Qwin « Wed Nov 06, 2019 4:54 pm

by Qwin » Wed Nov 06, 2019 4:54 pm

0 Replies

36944 Views

Last post by Qwin
Wed Nov 06, 2019 4:54 pm
Decoupling...

Last post by Nick « Sat Oct 26, 2019 10:45 am
Replies: 53
by steve s » Sat Nov 23, 2013 10:15 am
1

2

3

4
53 Replies

177244 Views

Last post by Nick
Sat Oct 26, 2019 10:45 am
CV4003 / ECC82 types...

Last post by Mike H « Wed Oct 23, 2019 4:46 pm
Replies: 6
by jack » Mon Sep 30, 2019 10:05 pm

6 Replies

47598 Views

Last post by Mike H
Wed Oct 23, 2019 4:46 pm

New Topic

Mark topics read • 507 topics

Page 1 of 11
- Jump to page:
1
2
3
4
5
…
11
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum