Crack

A forum for discussion of the Crack OTL headphone amp kit
U
Crack #6 Lockwashers
Replies
2
Views
3K
ffivaz
F
R
12SX7 front end
Replies
2
Views
3K
Ritchie
R
NightFlight
First build: Low voltage on taps 1,5 in the 15% - 20% range.
Replies
1
Views
2K
Paul Birkeland
Paul Birkeland
S
Tapping sound heard in headphones
Replies
4
Views
3K
jimiclow
J
M
Crack Upgrade Questions
Replies
14
Views
7K
Doc B
Doc B
C
Cracked crack...[SOLVED]
Replies
8
Views
4K
Chiratas
C
R
Parallel coupling capacitors in Crack
Replies
1
Views
2K
corndog71
C
T
High voltages and LEDs off [solved]
Replies
4
Views
3K
sjeffrey
S
M
New Crack build, Hum
Replies
4
Views
3K
Paul Birkeland
Paul Birkeland
A
Voltage readings from headphone jack?
Replies
2
Views
2K
AZvato
A
S
Smoke when using Chatham 2399 / Tung Sol 5998
Replies
2
Views
3K
sjeffrey
S
S
Input tube not wokring and no LEDs [SOLVED]
Replies
5
Views
3K
sjeffrey
S
E
Transformer wiring
Replies
1
Views
2K
Paul Birkeland
Paul Birkeland
W
Crook Socket
Replies
13
Views
4K
w0lfd0g
W
S
After speedball some problems
2
Replies
22
Views
6K
Grainger49
G
W
Circuit Changes for E80CC & 5998
Replies
4
Views
4K
2wo
2wo
PassionForSound
Limitation for input voltage - Crack & SEX
Replies
4
Views
3K
PassionForSound
PassionForSound
J
Headphone Jack 90 degree adapter
Replies
4
Views
6K
John EH
J
J
Not a Technical Post
Replies
1
Views
3K
Paul Birkeland
Paul Birkeland
W
Comparative Reviews - Crack / SEX / Mainline
Replies
2
Views
4K
Chris
Chris
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