Beginners

New Topic

Mark topics read • 603 topics

Page 1 of 13
- Jump to page:
1
2
3
4
5
…
13
Next

Topics

Replies

Views

Last post

Valve Headphone Amp

Last post by simon « Wed Oct 15, 2025 1:21 pm
Replies: 62
by simon » Sat Apr 15, 2023 11:38 am
1

2

3

4

5
62 Replies

192595 Views

Last post by simon
Wed Oct 15, 2025 1:21 pm
What is SPICE

Last post by Nick « Wed Oct 15, 2025 9:43 am
Replies: 219
by pre65 » Mon Dec 03, 2007 1:22 pm
1

…

11

12

13

14

15
219 Replies

409543 Views

Last post by Nick
Wed Oct 15, 2025 9:43 am
Diode query - which is cathode leg of flat TO-220?

Last post by Nick « Sun Sep 14, 2025 2:31 pm
Replies: 9
by adrian » Mon Sep 01, 2025 11:25 am

9 Replies

21652 Views

Last post by Nick
Sun Sep 14, 2025 2:31 pm
Any recommendations?

Last post by Paul Barker « Sun May 18, 2025 2:40 am
Replies: 14
by franzbenda » Thu May 15, 2025 3:38 pm

14 Replies

177078 Views

Last post by Paul Barker
Sun May 18, 2025 2:40 am
HT and filament heating from the same transformer

Last post by Morgan Jones « Wed Jan 08, 2025 10:29 pm
Replies: 7
by Thermionic Idler » Mon Dec 30, 2024 2:58 pm

7 Replies

107379 Views

Last post by Morgan Jones
Wed Jan 08, 2025 10:29 pm
My Niece's First Vinyl System

Last post by Ray P « Sun Jan 05, 2025 6:35 pm
Replies: 59
by Ray P » Sat Aug 31, 2024 1:11 pm
1

2

3

4
59 Replies

220338 Views

Last post by Ray P
Sun Jan 05, 2025 6:35 pm
Help understanding Smoothing Capacitor Ripple Current

Last post by Morgan Jones « Sun Sep 29, 2024 11:21 am
Replies: 2
by RhythMick » Mon Sep 09, 2024 11:05 am

2 Replies

28267 Views

Last post by Morgan Jones
Sun Sep 29, 2024 11:21 am
Speakers

Last post by Daniel Quinn « Thu Sep 26, 2024 2:44 pm
Replies: 23
by Daniel Quinn » Tue Sep 17, 2024 5:28 pm
1

2
23 Replies

68474 Views

Last post by Daniel Quinn
Thu Sep 26, 2024 2:44 pm
Seeking Cartridge Recommendations

Last post by Morgan Jones « Sun Sep 22, 2024 8:21 pm
Replies: 14
by Ray P » Sat Sep 21, 2024 7:26 am

14 Replies

85930 Views

Last post by Morgan Jones
Sun Sep 22, 2024 8:21 pm
Isolation Transformers

Last post by Paul Barker « Tue Jul 16, 2024 6:17 pm
Replies: 21
by simon » Sat Jul 13, 2024 3:09 pm
1

2
21 Replies

72837 Views

Last post by Paul Barker
Tue Jul 16, 2024 6:17 pm
Pot Impedance

Last post by Mike H « Fri Mar 15, 2024 8:12 pm
Replies: 3
by Cressy Snr » Wed Mar 13, 2024 2:12 pm

3 Replies

41101 Views

Last post by Mike H
Fri Mar 15, 2024 8:12 pm
You know how polypropyline motor run caps…..

Last post by Paul Barker « Mon Jan 29, 2024 6:56 pm
Replies: 9
by Paul Barker » Sun Jan 28, 2024 9:09 am

9 Replies

42840 Views

Last post by Paul Barker
Mon Jan 29, 2024 6:56 pm
Interstage transformer ratio.

Last post by Paul Barker « Wed Dec 27, 2023 10:26 am
Replies: 6
by pre65 » Tue Dec 12, 2023 7:50 pm

6 Replies

56614 Views

Last post by Paul Barker
Wed Dec 27, 2023 10:26 am
Microwave oven transformers.

Last post by pre65 « Fri Nov 24, 2023 11:36 pm
Replies: 2
by pre65 » Fri Nov 24, 2023 11:17 pm

2 Replies

31614 Views

Last post by pre65
Fri Nov 24, 2023 11:36 pm
Soft start query

Last post by Paul Barker « Thu Aug 31, 2023 8:29 am
Replies: 5
by iansr » Sun Jan 08, 2023 4:24 pm

5 Replies

39382 Views

Last post by Paul Barker
Thu Aug 31, 2023 8:29 am
Crowhurst 1951 on feedback Alex used, some termed Schade, whoever he was.

Last post by rowuk « Fri Jun 16, 2023 8:22 pm
Replies: 1
by Paul Barker » Sun Jun 11, 2023 11:05 am

1 Replies

31904 Views

Last post by rowuk
Fri Jun 16, 2023 8:22 pm
Crowhurst 1951 on the feedback Quad used

Last post by Paul Barker « Sun Jun 11, 2023 11:12 am

by Paul Barker » Sun Jun 11, 2023 11:12 am

0 Replies

76051 Views

Last post by Paul Barker
Sun Jun 11, 2023 11:12 am
NFB capacitor

Last post by IslandPink « Thu Jun 08, 2023 9:18 pm
Replies: 26
by karatestu » Thu Feb 02, 2023 6:44 pm
1

2
26 Replies

80900 Views

Last post by IslandPink
Thu Jun 08, 2023 9:18 pm
power supply - senior moment

Last post by ed « Wed Apr 19, 2023 4:57 pm
Replies: 2
by ed » Wed Apr 19, 2023 4:12 pm

2 Replies

491707 Views

Last post by ed
Wed Apr 19, 2023 4:57 pm
Good idea?

Last post by Mike H « Thu Feb 09, 2023 1:40 pm
Replies: 13
by Daniel Quinn » Tue Feb 07, 2023 8:23 pm

13 Replies

60768 Views

Last post by Mike H
Thu Feb 09, 2023 1:40 pm
Split rail from two positive regulators

Last post by Daniel Quinn « Mon Jan 16, 2023 8:44 pm
Replies: 17
by karatestu » Sun Jan 15, 2023 7:21 pm
1

2
17 Replies

83805 Views

Last post by Daniel Quinn
Mon Jan 16, 2023 8:44 pm
PCF8574 to ULN2803 - have I done something daft?

Last post by Nick « Sat Jan 07, 2023 11:58 am
Replies: 20
by Thermionic Idler » Mon Jan 02, 2023 3:51 pm
1

2
20 Replies

74237 Views

Last post by Nick
Sat Jan 07, 2023 11:58 am
DipTrace

Last post by Paul Barker « Sat Dec 24, 2022 7:49 am
Replies: 39
by simon » Tue Nov 08, 2022 4:56 pm
1

2

3
39 Replies

101516 Views

Last post by Paul Barker
Sat Dec 24, 2022 7:49 am
PS advice

Last post by steve s « Sat Nov 12, 2022 7:55 pm
Replies: 11
by iansr » Sat Nov 12, 2022 9:14 am

11 Replies

50544 Views

Last post by steve s
Sat Nov 12, 2022 7:55 pm
Kicad advice

Last post by Max N « Sun Oct 30, 2022 10:11 pm
Replies: 10
by Max N » Sat Mar 05, 2022 6:28 pm

10 Replies

47336 Views

Last post by Max N
Sun Oct 30, 2022 10:11 pm
Head Scratching?

Last post by pre65 « Sun Sep 25, 2022 10:15 am
Replies: 6
by Ray P » Mon Sep 19, 2022 3:59 pm

6 Replies

43690 Views

Last post by pre65
Sun Sep 25, 2022 10:15 am
Statistical Regulator Without CCS?

Last post by Paul Barker « Thu Aug 11, 2022 12:26 pm
Replies: 5
by BenjaminSmithSeattle » Thu Aug 11, 2022 4:04 am

5 Replies

40883 Views

Last post by Paul Barker
Thu Aug 11, 2022 12:26 pm
c7 socket

Last post by Nick « Wed Jul 20, 2022 5:44 pm
Replies: 1
by ed » Wed Jul 20, 2022 5:34 pm

1 Replies

33454 Views

Last post by Nick
Wed Jul 20, 2022 5:44 pm
Transformer centre tap.

Last post by pre65 « Wed Jun 22, 2022 1:43 pm
Replies: 14
by pre65 » Mon Jun 13, 2022 10:55 am

14 Replies

55587 Views

Last post by pre65
Wed Jun 22, 2022 1:43 pm
PIO Capacitor Calamity

Last post by Thermionic Idler « Wed Jun 08, 2022 7:36 am
Replies: 7
by Thermionic Idler » Fri Jun 03, 2022 7:31 pm

7 Replies

45316 Views

Last post by Thermionic Idler
Wed Jun 08, 2022 7:36 am
Raspberry Pi in same case as DAC

Last post by Thermionic Idler « Fri May 20, 2022 9:30 am
Replies: 2
by Thermionic Idler » Sun May 15, 2022 10:15 am

2 Replies

37964 Views

Last post by Thermionic Idler
Fri May 20, 2022 9:30 am
Parallel Preamp Outputs

Last post by Ray P « Sun Apr 24, 2022 7:23 pm
Replies: 2
by Ray P » Sun Apr 24, 2022 3:06 pm

2 Replies

35768 Views

Last post by Ray P
Sun Apr 24, 2022 7:23 pm
Just need to check

Last post by Ray P « Mon Mar 14, 2022 12:13 pm
Replies: 2
by Ray P » Mon Mar 14, 2022 7:42 am

2 Replies

34816 Views

Last post by Ray P
Mon Mar 14, 2022 12:13 pm
PP output transformer

Last post by Andrew Ivimey « Sun Mar 13, 2022 1:17 pm
Replies: 9
by Andrew Ivimey » Sat Mar 12, 2022 11:53 am

9 Replies

45582 Views

Last post by Andrew Ivimey
Sun Mar 13, 2022 1:17 pm
Dedicated mains for audio

Last post by Nick « Sun Mar 06, 2022 12:02 pm
Replies: 12
by chris » Fri Mar 04, 2022 10:12 am

12 Replies

51929 Views

Last post by Nick
Sun Mar 06, 2022 12:02 pm
RCD question

Last post by Paul Barker « Tue Feb 22, 2022 8:16 am
Replies: 17
by Thermionic Idler » Sat Feb 19, 2022 3:18 pm
1

2
17 Replies

72375 Views

Last post by Paul Barker
Tue Feb 22, 2022 8:16 am
Valve Amp Power Supplies

Last post by Nick « Tue Jan 25, 2022 4:14 pm
Replies: 42
by Cressy Snr » Sun Jan 23, 2022 5:24 pm
1

2

3
42 Replies

119051 Views

Last post by Nick
Tue Jan 25, 2022 4:14 pm
Two-chassis phono stage - grounding question

Last post by Thermionic Idler « Fri Jan 21, 2022 11:01 am
Replies: 12
by Thermionic Idler » Wed Jan 12, 2022 6:27 pm

12 Replies

52148 Views

Last post by Thermionic Idler
Fri Jan 21, 2022 11:01 am
Toroidal transformer interference

Last post by Nick « Fri Dec 31, 2021 6:49 pm
Replies: 1
by Thermionic Idler » Fri Dec 31, 2021 5:34 pm

1 Replies

34702 Views

Last post by Nick
Fri Dec 31, 2021 6:49 pm
Budget DSP Options

Last post by rowuk « Thu Dec 16, 2021 7:03 pm
Replies: 11
by Ray P » Sun Dec 12, 2021 10:36 am

11 Replies

55068 Views

Last post by rowuk
Thu Dec 16, 2021 7:03 pm
Voltage regulation

Last post by Nick « Sun Dec 12, 2021 9:40 am
Replies: 16
by Daniel Quinn » Sat Dec 11, 2021 11:24 am
1

2
16 Replies

67036 Views

Last post by Nick
Sun Dec 12, 2021 9:40 am
Voltage question

Last post by pre65 « Fri Dec 10, 2021 7:07 pm
Replies: 17
by Daniel Quinn » Fri Dec 10, 2021 2:11 pm
1

2
17 Replies

65329 Views

Last post by pre65
Fri Dec 10, 2021 7:07 pm
TKD pots

Last post by Paul Barker « Sun Dec 05, 2021 7:36 am
Replies: 16
by Thermionic Idler » Fri Dec 03, 2021 6:16 pm
1

2
16 Replies

70931 Views

Last post by Paul Barker
Sun Dec 05, 2021 7:36 am
what pcb design software

Last post by malarkey1976 « Tue Sep 21, 2021 4:47 pm
Replies: 9
by ed » Thu Sep 24, 2020 1:03 pm

9 Replies

67752 Views

Last post by malarkey1976
Tue Sep 21, 2021 4:47 pm
PSUD improvements

Last post by IslandPink « Thu Aug 26, 2021 6:18 pm

by IslandPink » Thu Aug 26, 2021 6:18 pm

0 Replies

38818 Views

Last post by IslandPink
Thu Aug 26, 2021 6:18 pm
How can I tell if valves need replacing

Last post by steve s « Sun Aug 15, 2021 11:16 pm
Replies: 8
by bostod » Sun Jan 10, 2021 1:43 pm

8 Replies

51203 Views

Last post by steve s
Sun Aug 15, 2021 11:16 pm
CCS adjustment question

Last post by Thermionic Idler « Mon Jun 21, 2021 5:45 pm
Replies: 2
by Thermionic Idler » Mon Jun 21, 2021 1:34 pm

2 Replies

36601 Views

Last post by Thermionic Idler
Mon Jun 21, 2021 5:45 pm
Restacking An Output Transformer.

Last post by Cressy Snr « Sat May 22, 2021 12:25 pm
Replies: 60
by Cressy Snr » Tue May 11, 2021 8:40 pm
1

2

3

4

5
60 Replies

199404 Views

Last post by Cressy Snr
Sat May 22, 2021 12:25 pm
Zout Maths - is it me?

Last post by Ray P « Thu Apr 15, 2021 7:20 pm
Replies: 3
by Ray P » Thu Apr 15, 2021 7:52 am

3 Replies

41046 Views

Last post by Ray P
Thu Apr 15, 2021 7:20 pm
Simple Active Low Pass Filter/Buffer

Last post by Ray P « Fri Mar 05, 2021 9:23 pm
Replies: 6
by Ray P » Thu Mar 04, 2021 10:00 pm

6 Replies

56227 Views

Last post by Ray P
Fri Mar 05, 2021 9:23 pm

New Topic

Mark topics read • 603 topics

Page 1 of 13
- Jump to page:
1
2
3
4
5
…
13
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