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1. Specifications

Frequency

20 Hz

55 Hz

100 Hz

200 Hz

400 Hz

11. Bass Channel Dynamic EQ Gain

NOTE: Use the same test setup as Procedure 10.

A. Adjust the oscillator to 100 Hz, 30 mVrms. Use

this as a reference point.

B. Adjust the oscillator to 55 Hz. There should be

a boost of approximately 5 dB. (A 3.0 dB

difference between the 30 mV and the 200 mV

input level). Refer to the chart in the previous

procedure.

12. Woofer Power Output Test

NOTE: Use the same test setup as Procedure 10,

except remove the dB meter. Make sure that any

test equipment connected to the woofer output is

floated or isolated from ground.

Ω

A. Connect a 5

resistive load to the woofer

output. Connect a voltmeter across the load.

NOTE: These measurements can be obtained at

120 and 240 V. Results will vary depending on the

line voltage used.

B. Connect an oscillator to the module's L/R audio

input terminals. Adjust the oscillator to 100 Hz,

345 mVrms.

Relative Response

-18.0 dB ± 2.0 dB

+1.8 dB ± 1.5 dB

0 dB

-0.5 dB ± 1.5 dB

-10.7 dB ± 1.5 dB

1.0 dB

C. Measure the voltage across the load. It should

be approximately 15.8 volts (50 watts). The signal

should look undistorted when viewed on an

oscilloscope.

Complete System Tests

NOTE: Use these procedures when a complete

AM-3P II system (module and satellites) is to be

serviced.

1. System Phase Test

Use the procedures already listed for the satellites

and the module. Use Procedure 2 under Satellite

Test Procedures and Procedure 9 under Module

Test Procedures.

2. System Sweep Test

Use the procedures already given for the satellites

and the module,except use 220 mVrms for both

parts of the test. Use Procedure 1 under Satellite

Test Procedures and Procedure 2 under Module

Test Procedures. Make sure that the satellites are

connected to the bass module.

3. All Other Tests

All other tests listed under Module Test

Procedures can be used to test a complete

system.