Beginners

New Topic

592 topics

Page 1 of 12
- Jump to page:
1
2
3
4
5
…
12
Next

Topics

Replies

Views

Last post

Valve Headphone Amp

Last post by simon « Sun Nov 26, 2023 9:10 pm
Replies: 40
by simon » Sat Apr 15, 2023 11:38 am
1

2

3
40 Replies

11148 Views

Last post by simon
Sun Nov 26, 2023 9:10 pm
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

325 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

3209 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

2647 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

1943 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

5978 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

1149 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

8987 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

7523 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

7964 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

11671 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

4277 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

5767 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

5170 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

4177 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

2708 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

6030 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

4532 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

3412 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

3079 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

3659 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

4403 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

6193 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

7882 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

15172 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

6941 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

3305 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

6883 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

7176 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

7480 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

8311 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

9604 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

3767 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

7437 Views

Last post by steve s
Sun Aug 15, 2021 11:16 pm
What is SPICE

Last post by Max N « Thu Jun 24, 2021 7:22 pm
Replies: 213
by pre65 » Mon Dec 03, 2007 1:22 pm
1

…

11

12

13

14

15
213 Replies

133976 Views

Last post by Max N
Thu Jun 24, 2021 7:22 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

3853 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

31390 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

5049 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

6460 Views

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

Last post by Nick « Mon Mar 01, 2021 4:58 pm
Replies: 8
by Thermionic Idler » Sun Feb 28, 2021 6:54 pm

8 Replies

6473 Views

Last post by Nick
Mon Mar 01, 2021 4:58 pm
More buffers

Last post by Nick « Sat Feb 06, 2021 2:46 pm
Replies: 5
by Max N » Fri Feb 05, 2021 6:48 pm

5 Replies

5465 Views

Last post by Nick
Sat Feb 06, 2021 2:46 pm
Stereo to mono

Last post by Cressy Snr « Wed Feb 03, 2021 4:55 pm
Replies: 18
by karatestu » Tue Sep 08, 2020 10:04 am
1

2
18 Replies

13366 Views

Last post by Cressy Snr
Wed Feb 03, 2021 4:55 pm
Input transformer query

Last post by izzy wizzy « Tue Jan 19, 2021 8:10 am
Replies: 22
by Thermionic Idler » Sat Jan 16, 2021 7:41 pm
1

2
22 Replies

13694 Views

Last post by izzy wizzy
Tue Jan 19, 2021 8:10 am
Anode to Anode cap coupling?

Last post by ed « Sun Jan 17, 2021 3:30 pm
Replies: 17
by Dave the bass » Mon Jan 11, 2021 6:35 pm
1

2
17 Replies

11827 Views

Last post by ed
Sun Jan 17, 2021 3:30 pm
A new valve amplifier

Last post by Ray P « Fri Jan 08, 2021 9:28 pm
Replies: 3
by ed » Sat Jan 02, 2021 5:12 pm

3 Replies

4741 Views

Last post by Ray P
Fri Jan 08, 2021 9:28 pm
Suggestion for CCS at 140mA

Last post by ed « Tue Nov 24, 2020 6:45 am
Replies: 5
by Max N » Mon Nov 23, 2020 8:56 pm

5 Replies

6654 Views

Last post by ed
Tue Nov 24, 2020 6:45 am
dual purpose power supply

Last post by Mike H « Sun Nov 22, 2020 5:24 pm
Replies: 1
by ed » Sun Nov 22, 2020 11:30 am

1 Replies

3868 Views

Last post by Mike H
Sun Nov 22, 2020 5:24 pm
Measuring transformers

Last post by Max N « Sat Nov 21, 2020 9:07 am
Replies: 28
by Max N » Sat Jul 27, 2019 2:33 pm
1

2
28 Replies

25582 Views

Last post by Max N
Sat Nov 21, 2020 9:07 am
harmonic distortion

Last post by JamesD « Mon Nov 16, 2020 4:40 pm
Replies: 9
by ed » Sun Nov 15, 2020 6:43 pm

9 Replies

7347 Views

Last post by JamesD
Mon Nov 16, 2020 4:40 pm
Tweaking a toroidal transformer

Last post by Max N « Sun Nov 08, 2020 9:39 pm
Replies: 10
by Max N » Sat Nov 07, 2020 1:40 pm

10 Replies

7857 Views

Last post by Max N
Sun Nov 08, 2020 9:39 pm

New Topic

592 topics

Page 1 of 12
- Jump to page:
1
2
3
4
5
…
12
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