Mainline

A forum for discussion of the Mainline premium headphone amplifier kit
C
I think my gain switch is broken?
Replies
2
Views
11K
Paul Joppa
P
M
How quiet should the Mainline be?
Replies
19
Views
39K
MikeSattler
M
N
Balanced Output
Replies
2
Views
8K
nick
N
C
Mainline Resistance Check Double Check Before Progressing to Voltage
Replies
6
Views
14K
Paul Birkeland
Paul Birkeland
C
Tube Shield Replacement for Mainline
Replies
1
Views
7K
Larpy
Larpy
A
+275V reading
Replies
1
Views
6K
Paul Joppa
P
D
Mainline Done - Another Successful Build
Replies
0
Views
5K
dhherring
D
A
Almost there - KREG Voltage issues. [resolved]
Replies
2
Views
7K
Art Andrews
A
N72826
Right channel has no output in high impedance mode
Replies
1
Views
6K
Thermioniclife
Thermioniclife
N72826
Help with final voltage check
Replies
1
Views
6K
Paul Birkeland
Paul Birkeland
A
IERC Tube Shields without Bases
Replies
2
Views
7K
Art Andrews
A
S
Voltage check issue / page 52 / 6.3vDC reading [resolved]
Replies
9
Views
18K
N72826
N72826
S
Course attenuator Issue
Replies
4
Views
10K
Souter
S
C
Funky Resistances on 15, 19, 20, & 30 [resolved]
Replies
6
Views
12K
Paul Birkeland
Paul Birkeland
H
Channel imbalance from 6.35mm only
Replies
1
Views
6K
Paul Birkeland
Paul Birkeland
B
Mainline Resistance Check
2
Replies
31
Views
52K
Paul Birkeland
Paul Birkeland
M
[resolved] 12AU7 tube start up very bright
Replies
4
Views
6K
Mucker
Mucker
N
Startup Hum?
Replies
2
Views
4K
nick
N
N
Resistances
Replies
19
Views
16K
Paul Birkeland
Paul Birkeland
M
[resolved] Teflon wire replacement
Replies
3
Views
4K
Paul Birkeland
Paul Birkeland
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