Text preview for : ConradJohnson_PremierOne_p1.pdf part of Conrad-Johnson conrad-johnson Many C-J preamplifiers and power amp models
(2 parts)
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5mA per triodo B R26 24k C20 -45v 0.47u 5 8 V8 3 power tube is EL34 R34 C21 4 2 20 V10 20 blu R37 C22 verde 6 V4b 6 V6b 0.47u R58 V12 20 R31 1M 3 R40 T? C23 A C17 0.47u +190v R59 V14 20 R43 C24 18k2 1k R60 V16 20 R46 C25 0.47u R61 V18 20 R49 18k2 D? 6v2 8 150p D? 1 2 LED LF353 R70 560 4 R80 5k11 To Left CH D? 6v2 8 5 D? 7 T? LED 390Vca 1k8 2W C2 1300u 350V 0.32H R1 100k 2W C4 3300u 350V R3 100k 2W C26 2x2u 600v C3 1300u 350V G R2 100k 2W C5 3300u 350V R4 100k 2W C? 015u 600v D3 1N4148 D23 Q1 MPSU60 R10 R5 560k 2W D5-D11 7x33v C8 100u 150v T? 1/2 Vfil D24 -60v TRANSFORMER 1N4007 C? +92v R11 820 2W R? 1M R11 820 2W Federico Paoletti R? 221k Title power amplifier PREMIER 1 Size Document Number C cjp1.sch Date: March 31, 2002 Sheet REV of D D12-D19 8x33v C9 100u 150v D25-D28 4x1N5251B(4x22v) 56k 1W Q5 MJE340 +260v C D22 1N4007 Q4 MPSU10 1N4007 D2 1N4148 R6 330 LF353 R73 560 4 F TRANSFORMER D20 1N4007 Q2 MPSU10 6 D1 VK1048 U1B R8 270k 2W R9 L2 0.32H L1 270k 2W F2 +516 2A? R7 Q3 MJE340 +430v B A D21 D? LED 150p C18 3 U1A E C19 D R48 10k R67 20 R47 68k1 1k 6 18k2 R45 10k R55 R66 bianco/verde 20 bianco/blu R44 68k1 5 20 R29 10k 0.47u R30 10k R42 10k R54 R65 C? 10n R41 68k1 R27 10k R28 10k 0.47u 1k 4 20 rosso 18k2 R39 10k R53 R64 8 R? 20 16 8 3 8 7 R38 68k1 1k 3 20 1 V6a 6FQ7 2 1 V4a 6FQ7 2 7 18k2 R36 10k R52 R63 R57 +330v 0.47u R35 68k1 1k 18k2 R33 R51 R62 10k 20 R56 R23 500k R32 68k1 R21 20k R22 20k R24 24k R25 24k 1k 1 R50 Ia=42mA Ig2=6mA Ik=48mA Pa=22W Pg2=3W Ptot=25W +430v
C? 0.15u 600v
C
+260v
C14 1u
R16 100k
+180v
R17 365k
6
C16 20p
V2a 5751
7
+75v
8
R20 150k
+77v
J? In
C? 10p
1
R15
2
V2b 5751
2k
3
+0.5v
R? 100k
R18 562
R19 90.9
R68
1
1M2
R69
1M
G
Vfil=6.5Vca con 220Vca
R71
1N4007
2
1M2
R72
1M
G
C6 2u 600v
+8v
E
D29
R18
1N4007
562
T?
C11 220u 10v
D31 1N4148
D32 1N4148
C7 1u 600v C10 2u2 200v
D30
C12 220u 10v
-8v
F
1N4007