Quested AP750-2 Amplifier

Quested AP750-2 Amplifier

Quested AP750-2 Amplifier

The 750W per channel at 4Ω Quested AP750-2 Channel Class A/B Amplifier is a 2RU 19″ rack-mountable amplifier designed for powering passive monitors in recording studios and film production facilities. The amplifier is rated for 750W per channel at 4Ω and 450W per channel at 8Ω. For I/O, the amplifier features balanced 3-pin XLRs input connectors with advanced sidechain limiting, balanced 3-pin XLR link output connectors for routing the signal to additional amplifiers, and 4-pole Speakon outputs for connecting to studio monitors.

The Quested AP750-2 is a high ouput 2-Channel amplifier designed to match the critical requirements of passive studio monitoring.

It’s the perfect choice to drive the Quested H108 and VH2108 passive monitors.

XLR Inputs
XLR Link Output on Each Channel
4-Pole Speakon Outputs
Sidechain Limiting


Output power (Watts RMS) per channel

8 ohms @ 1 kHz 300
4 ohms @ 1 kHz 500
2 ohms @ 1 kHz 700
Mono Bridged

8 ohms @ 1 kHz 1000
4 ohms @ 1 kHz 1380
THD @ rated power

4 ohms 1 kHz <0.008%
20Hz-20 kHz <0.03%
Input CMRR >90dB

Hum & Noise -105dB

Gain +32dB

Sensitivity for rated output, 4 ohms +3.5dBu (1.2V)

Damping Factor 1 kHz, 8 ohms >400

Frequency response 20Hz-20kHz +0/-0.5dB

Input impedance (actively balanced) 20k ohms

Dimensions (mm) – 2U 88x482x428

Weight 16kgs

Power requirement 230 VAC @ 8.0 amps max, 115 VAC @ 16.0 amps max

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