Solid State

Talk all about solid state amplification.
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Can you guys look at amplifier boards/innards and say whether a circuit seems good, questionable or just downright bad?
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46
Views
1K
drummerman111
D
D
How is this possible?
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20
Views
813
ostripper
ostripper
lineup
Apache - Current Feedback Amplifier 27 Watt and 7 MHz
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28
Views
2K
hbtaudio
hbtaudio
G
QUAD 909 balanced input
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3
Views
309
ejp
E
V
QUAD 405 clone high DC on output
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42
Views
3K
Mooly
Mooly
J
MG100DFX stuck in standby
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2
Views
183
Jamlot
J
J
DC-DC voltage reduction/regulation circuit
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10
Views
553
JeffPNW
J
D
B&K ST-140 circuit board upgrade ideas
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6
Views
1K
Bofufet
B
T
HH VX-150 Lower Bias, Less Disortion
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3
Views
271
ostripper
ostripper
L
Atoll IN80 broken
Replies
11
Views
509
jean-paul
jean-paul
bamavette
Help with Sanyo Plus 55 tuner
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1
Views
168
aliarifat794
A
R
Cerwin Vega A-3000 I schematic
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10
Views
5K
ticknpop
T
P
Which amplifier for Bouyer RB90?
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5
Views
558
photosonic
P
C
Looking for a simple DC protection circuit for NAD 3020
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8
Views
408
U102324
U
D
Parasound 2150 V1 Standy mode issue
Replies
2
Views
185
Dneu2011
D
B
Setting Amplifier Bias
Replies
86
Views
3K
BSST
BSST
Pernas
JVC “Dynamic Super A”, investigating the AX-V1050PTN
Replies
4
Views
559
Pernas
Pernas
T
NAD C 370 Power Stage Hum, then into Protection Mode
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6
Views
302
ostripper
ostripper
G
TDA7520 equivalent ? the part is obsolete now
Replies
27
Views
820
stocktrader200
S
P
Cambridge A500 - turns on, no sound, suspected Darlingtons dead
Replies
22
Views
954
wg_ski
W
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