Bose 1801 Service Manual

16
PART LIST
Resistors
Reference
Designator
Description Part
Number
Note
R1-4 1MΩ, 1/2W, 10% 102944-105 3
R2 8.2kΩ, 1/2W, 10% 104064-822
R3 3kΩ, 2W, 10% 108676-302
R9, 17 6.19Ω, 1/4W, 1% 104095-6191
R11 1.5kΩ, 1/4W, 1% 104095-1501
R12, 51, 53 340Ω, 1/4W, 1% 104095-3400
R13 100Ω, Bias Pot 102832
R18, 20, 48 23.7kΩ, 1/4W, 1% 104095-2372
R25, 26 182Ω, 1/4W, 1% 104095-1820
R31-36, 41-46 0.8Ω, Wirewound, 3W, 5% 102394
R37-39 0.4Ω, Wirewound, 6W, 5% 102395
R47 4.7Ω, 2W, 5% 102393
R50 470Ω, 1/2W, 5% 102942-471
R52, 54 10kΩ, 1/4W, 1% 104095-1002
R55, 57 100kΩ, 1/4W, 1% 104095-1003
R56 680Ω, 1/2W, 5% 102942-681
R1,3,101,103 5.1kΩ, 1W, 5% 104064-512 2
R2,4,10,13,16,19
102,104,107,110
113,116,119
150Ω 1/2W, 5% 102942-151
2
R5,105 3.6kΩ, 1W, 5% 104064-362 2
R6,9,106,109 2kΩ, 1/2W, 5% 102942-202 2
R8,108 8.2kΩ, 1W, 5% 104064-822 2
R11,111 12kΩ, 1/2W, 5% 102942-123 2
R12,15,18,112,
115,118
1kΩ, 1/2W, 5% 102942-102
2
R14,114 24kΩ, 1/2W, 5% 102942-243 2
R17,117 43kΩ, 1/2W, 5% 102942-433 2
R20,120 15kΩ, 1/2W, 5% 102942-153 2
R21,121 120Ω, 1/2W, 5% 102942-121 2
R22,122 18kΩ, 1/2W, 5% 102942-183 2

Bose 1801 Specifications

General

Power Output	250 watts per channel into 8Ω (stereo)
Frequency Response	20Hz to 20kHz
Damping Factor	200
Input Sensitivity	1.5V
Speaker Load Impedance	4Ω to 8Ω
Total Harmonic Distortion	0.5%