Bose 1801 Service Manual

Bose
®
Model 1801/1800
Power Amplifier
Supplement
Part Number 192527-S1
©
2001 Bose Corporation
10/2001
SUPPLEMENT
Q4, part number 102428 and Q5, part number 102429 are no longer available with the lead length
needed for soldering to the PCB. Use the part numbers listed below when ordering these transis-
tors. Make a note in your Model 1801/1800 power amplifier service manual, part number 192527.
Reference
Designator
Description Part
Number
Note
Q4 SIM, 2N2219 102428-1K 1
Q5 SIM, 2N5415 102429-1K 2
NOTE: The part numbers listed are kits. They include the following parts:
1. Q4 kit: 1 102428 transistor
3 264371 extension pins
1 192527-S1 supplement.
2. Q5 kit: 1 102429 transistor
3 264371 extension pins
1 192527-S1 supplement.

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%