Quested AP1550-2 Amplifier

The 1550W per channel at 4Ω Quested AP1550-2 Channel Class A/B Amplifier is a 2RU 19″ rackmountable amplifier designed for powering passive monitors in recording studios and film production facilities. The amplifier is rated for 1550W per channel at 4Ω and 775W 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 AP1550-2 is Quested’s most powerful stereo amplifier deigned to handle large passive monitors delivering exceptional sonic performance.

Rated at 1500W per channel at 4Ω and 775W per channel at 8Ω, this Class A/B Amplifier is a 2RU 19″ rackmountable amplifier designed for powering passive monitors in recording studios and post production facilities.

Quested AP1550-2 Connections:
XLR Inputs
XLR Link Output on Each Channel
4-Pole Speakon Outputs
Sidechain Limiting

TECHNICAL SPECIFICATION

Output power (Watts RMS) per channel

8 ohms @ 1 kHz 775
4 ohms @ 1 kHz 1500
2 ohms @ 1 kHz 1800
Mono Bridged

8 ohms @ 1 kHz 3000
4 ohms @ 1 kHz 3600
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 23.25kgs

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