Crack

A forum for discussion of the Crack OTL headphone amp kit
M
Speedball resisitance/voltage check (question)
Replies
6
Views
3K
Mr. Electric Wizard
M
I
Cracks' Voltages are Off (LED Issue?) [resolved]
Replies
2
Views
2K
Interlukens1
I
M
New Crack build - question right off the bat [resolved]
2
Replies
36
Views
6K
Mr. Electric Wizard
M
X
Speedball large board voltage high
Replies
2
Views
2K
xiaofan_sc
X
D
Clinking Sound
Replies
1
Views
2K
Paul Birkeland
Paul Birkeland
T
Volume question [resolved]
Replies
2
Views
2K
tubenoob
T
M
Subtle Channel Imbalance, Is It My Tube?
Replies
18
Views
4K
Thermioniclife
Thermioniclife
L
Voltage spike at turn on
Replies
9
Views
3K
Paul Birkeland
Paul Birkeland
K
Crackling tube [resolved]
Replies
10
Views
3K
klaseck
K
N
Not sure what I did
Replies
2
Views
2K
Paul Birkeland
Paul Birkeland
WK3K
50K stepped attenuator?
Replies
2
Views
2K
WK3K
WK3K
J
5 Days w/o a Crack post?
Replies
4
Views
2K
Mr. Electric Wizard
M
J
Balanced inputs for a Crack or Crackatwoa or even a Mainline?
Replies
10
Views
3K
jaschinski
J
S
No sound output, all resistance and voltages correct
Replies
5
Views
2K
Deke609
D
S
Should L/R RCA center pins have the same resistance?
Replies
1
Views
2K
Paul Birkeland
Paul Birkeland
F
High VOltages on OA/OB after speedball upgrade
Replies
5
Views
2K
Paul Birkeland
Paul Birkeland
R
Y-Splitter
Replies
4
Views
2K
Paul Birkeland
Paul Birkeland
J
Buzzing in Right Channel - Damaged Headphone Jack?[1]
Replies
5
Views
2K
jt23
J
N
Crack Hum [resolved]
Replies
14
Views
13K
niall lindsay
N
B
1 LED not lighting on speedball board after probable short (but voltages fine)
Replies
4
Views
2K
billyshears
B
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