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Bose 1401 II Series User Manual

Bose 1401 II Series
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13
TEST PROCEDURES
Test Procedure Set-Up (refer to the diagram below)
Caution: Before connecting the Booster/
Equalizer to the power supply, test the
zener diode for a possible short by check-
ing the resistance between the power and
ground wires. Set your Ohmmeter to the x1
scale. Connect the leads of the meter to the
red and black wires. In one direction (red to
red, black to black) you should get a read-
ing of infinity . In the other direction (red to
black and black to red) you should get
about .6 ohms for a reading.
Note: The Booster/Equalizer has four
separate amplifiers, two of which are 180º
out of phase with the remaining two amplifi-
ers. Also, the outputs are returned through
the Booster/Equalizer's Speaker Refer-
ence. It is important to connect the unit as
directed to prevent damage to the 1401
series I, or activation of the current protec-
tion circuits in the 1401 series II, and 1201.
DO NOT connect speaker returns to
ground!!
1401 II/1201 Power Wire Connection
Red wire is B+, Black wire is ground,
Purple wire is Switched B+, and the Brown
wire is Audio ground.
1401 I Speaker Wire Connection
Left Front
1. Output: White/Yellow
2. Return: White/Blue
Right Front
1. Output: White/Green
2. Return: White/Orange
Left Rear
1. Output: Gray/Blue
2. Return: Gray/Yellow
Right Rear
1. Output: Gray/Orange
2. Return: Gray/Green
1401 II/1201 Speaker Wire Connection
Left Front
1. Output: Yellow
2. Return: White
Right Front
1. Output: Green
2. Return: Orange
Left Rear
1. Output: Blue
2. Return: Yellow
Right Rear
1. Output: Orange
2. Return: Gray

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Bose 1401 II Series Specifications

General IconGeneral
BrandBose
Model1401 II Series
CategoryCar Stereo System
LanguageEnglish

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