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Model 300PM Loudspeaker crossover assembly part list (per figures 4&5)

Reference

Designator

R3, R4, R17

R5, R6, R7, R9, R19, Res, CF, 1/4W, 5%, 51kΩ

R10, R20

R11, R12, R13, R14

R15

R16

R18

R21

C6, C7

D4, D5, D6, D7, D8,

Q2, Q3, Q4, Q5, Q10 Transistor, Bi-polar, N, 60V, 200mA,

Q1, Q6, Q9

D1, D2

Q7, Q8

PTC1

PTC2

W5,W6

used with L1

Description

Res, Metal Oxide, 1W, 5%, 39KΩ

Res, CF, 1/4W, 5%, 1 MEGΩ

Res, CF, 1/4W, 5%, 20kΩ

Res, CF, 1/4W, 5%, 560Ω

Res, CF, 1/4W, 5%, 100kΩ

Res, CF, 1/4W, 5%, 1.5kΩ

Res, Metal Oxide, 2W, 5%, .15Ω

Res, Metal Oxide, 1W, 5%, 2kΩ

Res, Fusing, 1/4W, 5%, 200Ω

Res, CF, 1/4W, 5%, 10kΩ

Cap, Film, 85, 100V, 5%, .33uF

Cap, Box, 85, 250V, 10%, .33uF

Cap, El, 85, 25V, 20%, 100uF

Cap, Disc, SL, 50V, 10%, 100pf

Cap, Box, 85, 50V, 5%, .27uF

Cap, El, BP, 85, 25V, 20%, 10uF

Cap, El, BP, 85, 50V, 20%, 10uF

Inductor, 65 uH, .11 Ohm, Ferrite

Diode, Zener, 6.8V, 1W, 5%,

1N4736

Diode, Switching, 75V, 300mA

1N4148

TO-92, 2SC536K-E

Transistor, Bi-polar, P, 60V, 200mA,

TO-92, 2SA608K-E

Diode, Glass, 200V, .5W, 1N3070

N-Channel, Hexfet, IRL1540G

Polyswitch, 60V, 4mm

Connector, Terminal, 1 Pos, Female

Screw, Machine, 4-40x1, Pan, Xrec

Nut, Hex, 4-40

Washer, Flat, .141, #5

PCB, Bare Board, 300PM

Part Number

Qty per

Assy.

171259-3935

120968-1055

120968-2035

120968-5135

120968-5615

120968-1045

120968-1525

177962-R155

171259-2025

130102-2015

120968-1035

120388-334

190483-334

119941-101E

137269-101

137127-274

149948-100E

138365

189799

116995-4736A

121501

117921

119168

190346

190347

190348-1

191995-1

147946

103146-16

103234-440

108258-05

187255-001