The KA-1000-THX Subwoofer Amplifier from Klipsch is a full-featured Class D amplifier. It has a massive toroidal power supply that is capable of delivering 500W continuous into 8 ohms or 1000W continuous into 4 ohms. It can support two high performance subwoofers and has a left and right RCA pass-through.
Some valuable features include a front panel main power switch, a selectable signal-sensing auto-on/off circuit, and LED status indicators for crossover and level-control operation. Matching the look of Aragon home-theater components, finished in black with a machined aluminum front panel and knobs, the KA1000THX uses professional style NL2 Speakon outputs for the high current transfer of power to the subwoofer.
| FREQUENCY RESPONSE | 20Hz-1kHz +0/-3dB |
| ENCLOSURE TYPE | Use only with KW-120-THX subwoofer enclosures (either one or two) |
| AMPLIFIER | High-Efficiency Class D |
| AMPLIFIER POWER FTC | Rated Power: 500W into 8 ohms, 1000W into 4 ohms, 20Hz-1kHz @ <1.5% THD |
| Dynamic Power: 2050W into 8 ohms, 3025W into 4 ohms @ 5% THD | |
| AUTO POWER ON | 2 second ON delay, 15 minute OFF delay |
| LOW PASS CROSSOVER | Continuously variable from 40-120Hz, 24dB/octave slope above 120Hz (non-THX mode) |
| INPUTS | 2 Gold-plated RCA phono jacks |
| OUTPUTS | 2 Gold-plated RCA phono jacks (unfiltered) / 2 Speakon® NL2 jacks |
| PHASE | Continuously variable from 0 to 180 degrees |
| DIMENSIONS | 4.75" (12.1cm) H x 17.5" (44.5cm) W x 12.25" (31.1cm) D |
| WEIGHT | 27 lbs. (12.3kg) |
| FINISH | Black anodized aluminum |
| FEATURES | THX On/Off, Boundary Gain, Compensation On/Off |
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