TLX CSS-SUB1 TEST PROCEDURE
Equipment needed:
· Function/signal generator/sweep generator
· Integrated Amplifier
· Multimeter
· Speaker cables
General Function UUT = Unit Under Test
1) Connect one pair of speaker cables to either high level input terminal on UUT. Cables should be
connected to an integrated amplifier fed by the signal generator. VOLUME control should be full
counterclockwise.
2) Turn on generator and adjust so that speaker level output is 2.0V, 50 Hz. Turn VOLUME control full
clockwise, FREQUENCY control full clockwise.
3) Green LED should light, immediate bass response should be heard and felt from woofer and port tube
opening.
Sweep Function
1) Follow steps 1 - 4 above, using a sweep generator as a signal source.
2) Sweep generator from 20Hz to 300Hz. Listen to the cabinet and drivers for any rattles, clicks, buzzes or
any other noises. If any unusual noises are heard, remove driver and test.
Driver Function
1) Remove driver from cabinet; detach + and - wire clips.
Check DC resistance of driver; it should be 7.0 ohms ±10%.
2) Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated
amplifier fed by a signal generator. Turn on generator and adjust so that speaker level output is 5.0V.
3) Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises.
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