Beginners

New Topic

558 topics

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

Topics

Replies

Views

Last post

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

83 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

806 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

322 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

662 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

2289 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

1267 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

1192 Views

Last post by ed
Sun Jan 17, 2021 3:30 pm
How can I tell if valves need replacing

Last post by Mike H « Wed Jan 13, 2021 7:42 pm
Replies: 6
by bostod » Sun Jan 10, 2021 1:43 pm

6 Replies

516 Views

Last post by Mike H
Wed Jan 13, 2021 7:42 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

472 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

1275 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

333 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

10352 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

1014 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

1078 Views

Last post by Max N
Sun Nov 08, 2020 9:39 pm
what pcb design software

Last post by Nick « Sat Oct 17, 2020 11:31 am
Replies: 6
by ed » Thu Sep 24, 2020 1:03 pm

6 Replies

1677 Views

Last post by Nick
Sat Oct 17, 2020 11:31 am
Buffer.

Last post by rowuk « Sun Sep 27, 2020 9:22 am
Replies: 19
by pre65 » Wed Jul 15, 2020 1:05 pm
1

2
19 Replies

2895 Views

Last post by rowuk
Sun Sep 27, 2020 9:22 am
curve tracer

Last post by ed « Sat Aug 22, 2020 5:07 pm
Replies: 6
by ed » Wed Jul 22, 2020 6:33 pm

6 Replies

1970 Views

Last post by ed
Sat Aug 22, 2020 5:07 pm
Gain - Have I Got this Right?

Last post by steve s « Wed Aug 19, 2020 2:18 pm
Replies: 4
by Ray P » Wed Aug 19, 2020 9:49 am

4 Replies

727 Views

Last post by steve s
Wed Aug 19, 2020 2:18 pm
GZ34 sanity check

Last post by Nick « Sun Aug 16, 2020 8:31 pm
Replies: 9
by Thermionic Idler » Sun Aug 16, 2020 2:42 pm

9 Replies

1797 Views

Last post by Nick
Sun Aug 16, 2020 8:31 pm
Instrument patch cables.

Last post by pre65 « Thu Jul 30, 2020 4:46 pm
Replies: 7
by pre65 » Tue Jul 28, 2020 9:32 am

7 Replies

1360 Views

Last post by pre65
Thu Jul 30, 2020 4:46 pm
Long interconnects.

Last post by chris661 « Wed Jul 15, 2020 9:48 am
Replies: 11
by pre65 » Thu Jul 02, 2020 3:03 pm

11 Replies

2179 Views

Last post by chris661
Wed Jul 15, 2020 9:48 am
Basics of valve amplifiers

Last post by steve s « Fri Jul 10, 2020 8:07 pm
Replies: 17
by bostod » Thu Jul 02, 2020 7:23 pm
1

2
17 Replies

3148 Views

Last post by steve s
Fri Jul 10, 2020 8:07 pm
dc-dc converters

Last post by Mike H « Fri Jul 10, 2020 4:49 pm
Replies: 11
by ed » Mon Jun 29, 2020 12:03 pm

11 Replies

2504 Views

Last post by Mike H
Fri Jul 10, 2020 4:49 pm
Blackgate Caps

Last post by IslandPink « Tue Jul 07, 2020 7:15 pm
Replies: 22
by Greg » Sun Jul 05, 2020 9:29 pm
1

2
22 Replies

3426 Views

Last post by IslandPink
Tue Jul 07, 2020 7:15 pm
Tapping.

Last post by Mike H « Tue Jul 07, 2020 7:00 pm
Replies: 13
by pre65 » Fri Jul 03, 2020 12:33 pm

13 Replies

2171 Views

Last post by Mike H
Tue Jul 07, 2020 7:00 pm
Transformer VA rating.

Last post by Cressy Snr « Mon Jul 06, 2020 1:37 pm
Replies: 6
by pre65 » Mon Jul 06, 2020 10:33 am

6 Replies

1191 Views

Last post by Cressy Snr
Mon Jul 06, 2020 1:37 pm
CCS in Mellow OTL

Last post by Ray P « Sun Jul 05, 2020 4:20 pm
Replies: 8
by Ray P » Sun Jul 05, 2020 7:32 am

8 Replies

1035 Views

Last post by Ray P
Sun Jul 05, 2020 4:20 pm
Kelvin capacitors 4 lead.

Last post by Nick « Tue Jun 16, 2020 8:49 pm
Replies: 3
by pre65 » Tue Jun 16, 2020 5:20 pm

3 Replies

1116 Views

Last post by Nick
Tue Jun 16, 2020 8:49 pm
dht heater supplies - again

Last post by ed « Sat Jun 13, 2020 9:00 am

by ed » Sat Jun 13, 2020 9:00 am

0 Replies

1719 Views

Last post by ed
Sat Jun 13, 2020 9:00 am
112A bias options.

Last post by Paul Barker « Fri Jun 12, 2020 5:18 pm
Replies: 9
by pre65 » Fri Jun 12, 2020 12:57 pm

9 Replies

1438 Views

Last post by Paul Barker
Fri Jun 12, 2020 5:18 pm
Valve anode voltage.

Last post by Paul Barker « Fri Jun 12, 2020 5:07 pm
Replies: 5
by pre65 » Fri Jun 12, 2020 3:08 pm

5 Replies

876 Views

Last post by Paul Barker
Fri Jun 12, 2020 5:07 pm
PSU designer understanding.

Last post by pre65 « Thu May 21, 2020 11:42 am
Replies: 70
by pre65 » Tue Apr 28, 2020 12:55 pm
1

2

3

4

5
70 Replies

11037 Views

Last post by pre65
Thu May 21, 2020 11:42 am
soldering temperature

Last post by Mike H « Fri May 08, 2020 2:31 pm
Replies: 6
by ed » Thu May 07, 2020 3:32 pm

6 Replies

1550 Views

Last post by Mike H
Fri May 08, 2020 2:31 pm
Digital volume control.

Last post by pre65 « Sun May 03, 2020 1:49 pm
Replies: 42
by pre65 » Sat Apr 04, 2020 2:16 pm
1

2

3
42 Replies

8382 Views

Last post by pre65
Sun May 03, 2020 1:49 pm
Custom toroids.

Last post by Paul Barker « Tue Apr 28, 2020 2:14 pm
Replies: 2
by pre65 » Tue Apr 28, 2020 10:18 am

2 Replies

767 Views

Last post by Paul Barker
Tue Apr 28, 2020 2:14 pm
Dual rail +/- 80v power supply.

Last post by Paul Barker « Mon Apr 27, 2020 6:26 pm
Replies: 21
by pre65 » Fri Nov 17, 2017 9:56 am
1

2
21 Replies

10248 Views

Last post by Paul Barker
Mon Apr 27, 2020 6:26 pm
Capacitor charging times.

Last post by IslandPink « Sun Apr 19, 2020 6:05 pm
Replies: 14
by pre65 » Sat Apr 18, 2020 6:01 pm

14 Replies

2365 Views

Last post by IslandPink
Sun Apr 19, 2020 6:05 pm
Google Images.

Last post by Nick « Wed Apr 08, 2020 7:48 pm
Replies: 7
by pre65 » Wed Apr 08, 2020 5:46 pm

7 Replies

1795 Views

Last post by Nick
Wed Apr 08, 2020 7:48 pm
pentode screens

Last post by izzy wizzy « Tue Dec 10, 2019 9:05 pm
Replies: 18
by ed » Fri Dec 06, 2019 7:20 pm
1

2
18 Replies

5990 Views

Last post by izzy wizzy
Tue Dec 10, 2019 9:05 pm
Biasing question - totem-pole OTL

Last post by Mike H « Mon Oct 14, 2019 11:27 pm
Replies: 3
by Thermionic Idler » Sun Oct 13, 2019 7:58 pm

3 Replies

2780 Views

Last post by Mike H
Mon Oct 14, 2019 11:27 pm
Speaker cables (different send & return)

Last post by karatestu « Thu Sep 26, 2019 3:47 pm
Replies: 5
by karatestu » Wed Sep 25, 2019 4:56 pm

5 Replies

3574 Views

Last post by karatestu
Thu Sep 26, 2019 3:47 pm
Help interpreting 2nd/3rd Harmonic values on WE datasheet

Last post by pre65 « Tue Aug 20, 2019 8:10 pm
Replies: 11
by RhythMick » Mon Aug 19, 2019 9:44 pm

11 Replies

4757 Views

Last post by pre65
Tue Aug 20, 2019 8:10 pm
Super capacitors

Last post by IslandPink « Sun Aug 04, 2019 9:43 pm
Replies: 34
by pre65 » Mon Apr 23, 2018 10:40 am
1

2

3
34 Replies

14128 Views

Last post by IslandPink
Sun Aug 04, 2019 9:43 pm
Phono Hum

Last post by IslandPink « Mon Jul 08, 2019 9:38 pm
Replies: 20
by IslandPink » Sun Jun 23, 2019 3:06 pm
1

2
20 Replies

8227 Views

Last post by IslandPink
Mon Jul 08, 2019 9:38 pm
Fully balanced amplification system?

Last post by steve s « Fri Jul 05, 2019 4:14 pm
Replies: 8
by gdog » Thu Jul 04, 2019 7:31 pm

8 Replies

4227 Views

Last post by steve s
Fri Jul 05, 2019 4:14 pm
75R Digital Cable

Last post by Nick « Fri Apr 19, 2019 10:30 am
Replies: 3
by little eddy » Thu Apr 18, 2019 7:17 pm

3 Replies

3473 Views

Last post by Nick
Fri Apr 19, 2019 10:30 am
Line speakers and amps.

Last post by chris661 « Sun Apr 07, 2019 12:39 pm
Replies: 3
by pre65 » Wed Apr 03, 2019 1:13 pm

3 Replies

2809 Views

Last post by chris661
Sun Apr 07, 2019 12:39 pm
Quick and dirty PSU

Last post by gninnam « Thu Feb 21, 2019 7:22 pm
Replies: 17
by gninnam » Sat Feb 02, 2019 1:01 pm
1

2
17 Replies

8550 Views

Last post by gninnam
Thu Feb 21, 2019 7:22 pm
IEC inlet wiring

Last post by Mike H « Mon Feb 11, 2019 7:16 pm
Replies: 10
by IslandPink » Sat Feb 09, 2019 7:47 pm

10 Replies

5047 Views

Last post by Mike H
Mon Feb 11, 2019 7:16 pm
antenna

Last post by Mike H « Fri Jan 11, 2019 3:44 pm
Replies: 9
by ed » Thu Jan 10, 2019 9:05 am

9 Replies

5029 Views

Last post by Mike H
Fri Jan 11, 2019 3:44 pm

New Topic

558 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