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Phoenix DIY Central!
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WOPL Tips and Archive
Forum exclusively for Phase Linear and White Oak conversions, improvements, tips and other sage advice from our resident experts!
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S
Sticky
Parts Database
Steve K
Mar 31, 2016
7
8
9
Replies
163
Views
33,332
Sep 13, 2022
mlucitt
Sticky
Joe's Nuggets
laatsch55
Dec 19, 2021
Replies
7
Views
350
Dec 19, 2021
laatsch55
Sticky
Transistor Testing Basics with Graphics... Thanks to Markthefixer and Echowars
laatsch55
Nov 27, 2021
Replies
9
Views
673
Dec 1, 2021
Gepetto
Sticky
Bipolar transistor grading
Gepetto
Apr 1, 2012
2
Replies
25
Views
7,213
May 11, 2021
laatsch55
Sticky
White Oak Audio Design PL14_20 Quick Test Steps - Quasi-Comp and Full-Comp
Gepetto
Dec 18, 2019
2
Replies
22
Views
3,729
Dec 27, 2019
Gepetto
Sticky
Description of latch up tendency in Phase Linear Amplifiers
Gepetto
Feb 23, 2012
Replies
11
Views
5,981
Feb 27, 2016
JustinoChiu
Sticky
Forming Phase Linear Power Supply Bulk Capacitors
Gepetto
Mar 7, 2012
Replies
17
Views
7,725
Aug 13, 2015
WOPL Sniffer
Sticky
Star Point Ground Scheme for PL700B Amplifiers
Gepetto
Mar 16, 2013
2
Replies
22
Views
4,545
Jun 14, 2014
marcok
Sticky
Debugging the Original Phase Linear PL14a/b PCBA
Gepetto
Jun 7, 2014
Replies
1
Views
2,389
Jun 7, 2014
laatsch55
Sticky
The " Save Time and Trouble With These Hints and Tricks" Thread!!
Gepetto
Dec 10, 2013
2
Replies
37
Views
16,189
May 30, 2014
premiumplus
Sticky
Phase Linear Serial Numbers
laatsch55
Dec 15, 2013
Replies
10
Views
3,438
Jan 6, 2014
Northwinds
Sticky
Bias Adjustment on the White Oak Audio Design PL14_20 Board
Gepetto
Apr 12, 2012
2
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4
Replies
74
Views
16,395
Jun 12, 2012
laatsch55
Sticky
What are the output driver emitter resistors for?
Gepetto
Mar 22, 2012
Replies
15
Views
2,833
Mar 31, 2012
laatsch55
D
Phase Linear 400 series 2 potentiometers
Dr12volt
Jan 28, 2023
Replies
4
Views
50
Jan 28, 2023
Gepetto
G
Power transistor help
gary33030
Dec 10, 2022
4
5
6
Replies
119
Views
2,409
Jan 12, 2023
gary33030
M
Specifications
Mike Brosmore
Oct 28, 2022
Replies
13
Views
392
Oct 31, 2022
J!m
PL-400, Q8 and Q9
AvSat44
Jan 11, 2022
Replies
13
Views
690
Jun 5, 2022
laatsch55
Phase Linear 700 Series II Clair Bros Serial Numbers
laatsch55
Jun 20, 2016
2
3
4
Replies
64
Views
12,031
Mar 18, 2022
Randall Daniels
J
Early, Clean PL 400 - S/N 942-166
jimcomly
Jan 28, 2022
Replies
5
Views
364
Feb 5, 2022
Northwinds
J
Sick Clair 700 Series II
jimcomly
Jan 23, 2022
2
3
Replies
44
Views
1,657
Jan 28, 2022
jimcomly
P
New to me PL400 - how to start up?
Philos70
Dec 31, 2021
Replies
4
Views
332
Jan 3, 2022
FredR
R
I found a PL400II while starting to pack to move. Need a faceplate, anyone have something?
RobertB
Aug 4, 2019
Replies
10
Views
1,269
Oct 9, 2021
master
PL700 Series II Lessons Learned
mlucitt
Aug 2, 2020
2
Replies
35
Views
3,043
Sep 12, 2021
J!m
Phase Linear Newbie
kwingylee
Sep 8, 2021
2
Replies
29
Views
1,850
Sep 9, 2021
George S.
C
WOA PL400 output
calman46
Jul 23, 2021
Replies
6
Views
651
Jul 23, 2021
laatsch55
R
Wopl 700 series 2 with a slight buzz at midrange speakers
Rickyboy
Jul 6, 2021
2
Replies
26
Views
1,911
Jul 10, 2021
Gepetto
Early 400
wattsabundant
Jun 22, 2021
Replies
4
Views
582
Jun 23, 2021
wattsabundant
It Can Happen To You
mlucitt
Jun 6, 2021
Replies
16
Views
740
Jun 7, 2021
Mohawk
C
WOPL PL400
calman46
Feb 29, 2020
2
Replies
20
Views
4,029
Mar 27, 2021
Gepetto
wood cabinet?
drummergrl
Aug 31, 2015
2
Replies
35
Views
4,035
Mar 6, 2021
K-5BLAZER
W
Wiring the spk protect board from watts Abundant.
Wayne
Nov 16, 2019
Replies
9
Views
1,159
Feb 10, 2021
wattsabundant
PL 400 Series II Dimensions
WOPL Sniffer
Aug 10, 2020
2
Replies
23
Views
1,413
Aug 11, 2020
J!m
G
PL400 Meter Sensitivity
gmonstah
Mar 29, 2016
2
Replies
32
Views
4,193
Feb 5, 2020
J!m
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