YORKVILLE 50KB Parts List

applicable to serial numbers 001xxxx
50KB.xls - 19-03-01
knob

Notes:

ftp.yorkville.com/parts
# Part# Description

Labeled Components

1 4418 _10K 5C R/A 9MM HORIZONTAL P28
2 3450 1/4" JCK PCB MT HORZ GOLD
3 3660 XLR FEML PCB MT HORZ
4 4417 _10K 5B LIN 9MM HORIZONTAL P28
5 8459 9.5" STRAP HANDLE, PLASTIC COVERS
6 3460 RCA DUAL PCB MT VERT GOLD .475"
7 4420 _50K B LIN 9MM HORIZONTAL P28
8 4420 _50K B LIN 9MM HORIZONTAL P28
8641 Note: All pots use 8641 Aqua Knob
9 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL
50KB Grille (special order while unit is in production only)
10 Z350
11 3834 HEYCO #1214 STRAIN RELIEF
12 8468 VELCRO STRAP 3/4"X22CM (VELSTRAP)
13 3481 8' 3/18 SJT AC LINE CORD 250 CLIPS
14 8547 PLASTIC FOOT BLACK
15 7322 10" 4R 50WPGM SPEAKER
16 7415 4R 30W TWEETER RADIAL MOTOROLA

Internal Electronic Components

1309 BLOC-40B/40K/40W/50B
6827 1N5402 200V 3A0 DIODE
6755 LM3876T IC 40 WATT POWER AMP
6840 MC33078P IC DUAL OP AMP
6882 TL072CP IC FET DUAL OP AMP
5887 2200U 50V 20%CAP BLK 18X27MM EL
2468 0.800 AMP SLO-BLO .25X1.25 FUSE
3830 TO218 PREGREASED MICA 56-78-2AP
6798 MC4741CP IC QUAD OP AMP
6827 1N5402 200V 3A0 DIODE
6840 MC33078P IC DUAL OP AMP
6882 TL072CP IC FET DUAL OP AMP
6889 TLO74CN IC QUAD O/A T.I ONLY
8581 CUSTOM PBL TRANSISTOR SPACER
Function
Gain 1
Jack
Jack
Gain 2
Strap
Jack
Treble
Bass
XFMR
Instrument Amplifiers