Technical topics

Discussion of circuit theory and design ideas
Z
An amp from an issue of Valve has caught my newbie eye
Replies
2
Views
3K
ZacharyP
Z
Karl5150
Insertion Loss
Replies
3
Views
3K
Grainger49
G
galyons
Shunt Regulation and Chokes in the PS
Replies
0
Views
3K
galyons
galyons
R
Problems with Paramount 2A3’s and a Foreplay III [resolved]
Replies
14
Views
8K
Paul Birkeland
Paul Birkeland
S
Hum balance pots
Replies
2
Views
3K
Stedes
S
4
Resistors, What say you?
Replies
7
Views
4K
fullheadofnothing
fullheadofnothing
B
Quickie Output Coupling
Replies
9
Views
5K
Paul Birkeland
Paul Birkeland
ALL212
A revelation - power supply.
Replies
1
Views
3K
Grainger49
G
V
Bottlehead PT-5 preamp transformer
Replies
2
Views
3K
vetmed
V
4
Pot thought
Replies
0
Views
3K
4krow
4
S
Telephone Switchboard style RCA Selector
Replies
15
Views
8K
4krow
4
Strikkflypilot
Operation without GND
Replies
6
Views
3K
Strikkflypilot
Strikkflypilot
A
PSU Designer II Modeling for Crack
Replies
5
Views
3K
Paul Joppa
P
S
tube tester
Replies
5
Views
3K
Grainger49
G
randy@matrixq.com
Scratch Build (First for me)
2
Replies
32
Views
13K
[email protected]
randy@matrixq.com
R
Vacuum tube powered subwoofer
Replies
6
Views
4K
Paul Birkeland
Paul Birkeland
J
Is a dead power transformer always a dead PT?
Replies
4
Views
3K
Paul Joppa
P
orson
USB-Cable - can it make a difference?
Replies
19
Views
7K
orson
orson
G
Microphonics
Replies
5
Views
3K
Doc B
Doc B
mcandmar
Balanced Power
Replies
7
Views
3K
mcandmar
mcandmar
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