Mackie ART400A Active Speaker Schematics

Page 2

1 2 a A s s 7 a
A
D7 > +65V
4145
21: D17
R73 T15 R}: 08 051 BAV21
4 7
33K |RFP140 3w 1n
A A
JE15030
C46 D16
" 12v
47u
25v
R64 10K R68 10K Mum 27 5V
-. . + .
_ J_ R84 F3 J> _
0137 220p 77044 22K D23 am NOT USED
,_,| k- 33,, R96, R97, R100, R104, R105
D15, D19, D21
ICSA R90 N T17 T1, F4, C48
7 N310 F196 2503281 (these parts are used in the more
1 R78 1K5 R80 550 2R7 powerful amplifier for the ARTSOOA.
I R55 10K - '\/\/\-4 R85 2 "1 It has the extra output transistor T16)
LOW l:>-|I 042 I 100 T19 33K R83 L2 AuH
041 100n ° |_V 1 513139 10K1 T23 R95 7-
3 15V -15v Basso - ' - a
+ 00 5* K1 CFL1 Low
+15v 3
26*? 3 Fl 22K R94 D22 4R7 R107 58".]:
R86 MUR410
R125 R127 0.33 5W CFL2
R79 2K2 _ 22K R98 5w
3 T4 15K 0K 680
MUTE < >- V V - J108 R92 R91
47 22
100K 2 RTD1 R106
_ 4R7 _
('1 R124 D37 5W
22" R76 R123 R12129 R118
10K 680 0-33 D25
m4 T24 3 R122 5W MUR410 -
1 220
1N414E 205351 D36 ill 2 R120
043 1 22K
1 R81 T856560 NOT USED
D35 R109, R111,R113,R115, R116
C 47m 10K R117 T510 D24, D27, D28 W 0
m3 2 A1302 T11 F1 (:51 7; D31
2R7 1/2w v v
x 2 (these parts are used in the more /\ 12v
D32 D11 R121 powerful amplifier for the ARTSOOA. 47
, D9 47 It has the extra output transistor T11)
R126 F2
T5 220 BAV21 1 63A
57? @5401 T9 MUR460 > -27.5V
' D10 MJE15031 026
-' R140 T6 3 N
_ 2K2 211551 {1-- R75 100 2 I12 T7 029 _
K m-
060 R112 R110
»15v R77 R108 100n 15V 47 JESS
2R2 aw m l , MW 7 1n [m
1K T12 E R114 3W : BAV21
2 D8 |RFP9140 N 47
27041 LEDGREEN
" 062
T 680
D > -65V D
Note: Diodes which are not marked are type 1N4148 SE233092
ART 400A
1 l 2 | a | A s | s 7 |

ARTSen'esService Manual @2001 Mackie Designslnc.A|| rights reserved ART4OOA Low Freq Amplifier ART4OOA, paqe 2