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The Quested APD1000-4 is a four-channel Class D power amplifier with DSP, delivering up to 1000 W per channel into 4 Ω in a compact 2U chassis. It is the smaller model of the APD range.
Quested recommends the APD1000-4 for several of its systems: a single unit powers two LTX12 surround / overhead speakers, and it is also the suggested amplifier for free-standing VH3208 systems with subwoofers. Each channel offers advanced limiting and balanced inputs; outputs are on 4-pole Neutrik Speakon connectors with additional Phoenix back-up connectors. Optional factory-fitted analogue filter boards remove the need for an external crossover.
Key features:
- Four channels, Class D with DSP
- 1000 W @ 4 Ω / 500 W @ 8 Ω per channel
- 1400 W @ 2.7 Ω, 1200 W @ 2 Ω
- Frequency response 20 Hz – 20 kHz ±0.5 dB
- THD below 0.18 % @ 1 kHz
- Gain 32 dB, sensitivity +6.2 dBu (1.6 V)
- 4× Speakon + 4× Phoenix outputs
- 482 × 88 × 428 mm, 10 kg
Applications:
Multichannel studio and cinema systems – especially surround and overhead channels with the LTX12 – and passive monitor systems with subwoofers.
- Type: 4-channel Class D amplifier with DSP, 2U rack
- Output power per channel: 500 W @ 8 Ω, 1000 W @ 4 Ω, 1400 W @ 2.7 Ω, 1200 W @ 2 Ω
- Frequency response: 20 Hz – 20 kHz ±0.5 dB
- THD: <0.18 % @ 1 kHz; <0.2 % 20 Hz – 20 kHz
- Gain: 32 dB; sensitivity +6.2 dBu (1.6 V) for max power
- Outputs: 4× Neutrik Speakon 4-pole + 4× Phoenix back-up
- Consumption (4 Ω, nominal): 2.9 A @ 240 V / 6.0 A @ 120 V
- Dimensions (W×H×D): 482 × 88 × 428 mm
- Weight: 10 kg
