Schematic_PWB - Infinity TSS Sub500
Specifications
Frequency Range: 39Hz – 150Hz (±3dB)
Amplifier Output: 100 watts RMS
Low-Frequency Driver: 8" (203mm)
Crossover Frequency: 120Hz, 24dB/Octave (line-level [non-LFE] input)
Dimensions (H x W x D): 15-7/8" x 13-5/8" x 14-5/8"
(403mm x 346mm x 371mm)
Weight: 31.7 lb (14.4kg)
POWER AMP & POWER SUPPLY CIRCUIT DIAGRAMFrequency Range: 39Hz – 150Hz (±3dB)
Amplifier Output: 100 watts RMS
Low-Frequency Driver: 8" (203mm)
Crossover Frequency: 120Hz, 24dB/Octave (line-level [non-LFE] input)
Dimensions (H x W x D): 15-7/8" x 13-5/8" x 14-5/8"
(403mm x 346mm x 371mm)
Weight: 31.7 lb (14.4kg)
General Unit Function (UUT = Unit Under
Test)
1) From the signal generator, connect one line level (RCA) cable to the Subwoofer Line Level Input jacks L/R on the UUT. Use a Y-cable from a mono source if necessary to connect to both inputs. Do not connect to the single LFE input.
2) On the front of the unit, turn the LEVEL control full counterclockwise.
3) Turn on generator, adjust to 100mV, 50 Hz.
4) Plug in UUT; turn the power switch ON. LED should be Red. Turn LEVEL control full clockwise (MAX)
5) LED should now be Green; immediate bass response should be heard and felt from port tube opening.
6) Turn off generator, turn LEVEL control fully counterclockwise, and disconnect RCA cable. Sweep Function
1) Follow steps 3-6 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 woofers and test.
Driver Function1) From the signal generator, connect one line level (RCA) cable to the Subwoofer Line Level Input jacks L/R on the UUT. Use a Y-cable from a mono source if necessary to connect to both inputs. Do not connect to the single LFE input.
2) On the front of the unit, turn the LEVEL control full counterclockwise.
3) Turn on generator, adjust to 100mV, 50 Hz.
4) Plug in UUT; turn the power switch ON. LED should be Red. Turn LEVEL control full clockwise (MAX)
5) LED should now be Green; immediate bass response should be heard and felt from port tube opening.
6) Turn off generator, turn LEVEL control fully counterclockwise, and disconnect RCA cable. Sweep Function
1) Follow steps 3-6 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 woofers and test.
1) Remove woofer from cabinet; detach + and - wire clips.
2) Check DC resistance of woofer; it should be 3.3 ohms ±10%
3) 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.
4) Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises.
2) Check DC resistance of woofer; it should be 3.3 ohms ±10%
3) 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.
4) Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises.
