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Please note: the numbers on the MOSFETs are ID numbers only, and are not related to their measurements nor their matching

F-4/BA-3 Transistor Kit

  • 5900

Included in this kit are the semiconductors needed to complete an F-4 amplifier or BA-3 output stage, with the exception of the input JFETs. MOSFETs were matched in accordance with standard operating conditions. This is enough transistors for 2 channels (one stereo amplifier).

  • 6 x IRFP 240 (F4 and BA-3)
  • 6 x IRFP 9240 (F4 and BA-3)
  • 2 x TL-431 (BA-3)

The IRFP9240/IRFP240 MOSFETs were matched at the rail voltage and current that the BA-3 and F4 articles suggest, specifically, 22v and .4A, and then grouped by VGS to within .1V.

Please note: the numbers on the MOSFETs are ID numbers only, and are not related to their measurements nor their matching

Customer Reviews

Based on 10 reviews
90%
(9)
10%
(1)
0%
(0)
0%
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0%
(0)
A
A.A.
F4 Transistor kit review
V
V.
Time Saver
A
A.T.
Speedy delivery and as advertised
R
R.G.
Quick and Efficient
C
C.T.
Excellent service
m
m.b.
DAS -10469 received and DAS107 07 not received
G
G.G.
D
D.
F4 Project
12
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