Allen & Heath Qu-24C

30-In/24-Out Digital Mixer

Allen & Heath

Product Highlights

  • 24 Mono Mic/Line Inputs (TRS + XLR)
  • Recallable AnaLOGIQTM Preamps
  • 3 Stereo Inputs (TRS)
  • 20 Mix Outputs (XLR)
  • Chrome Knobs & Faders + Updated Firmware
Rentex No. AHQU24 | Mfr No. AH-QU-24C

The chrome edition Qu-24C 30-In/24-Out Digital Mixer from Allen & Heath features 24 of Allen & Heath’s AnalogiQ microphone preamps and is powered by its 5-core ARM processor to provide a variety of integrated effects and processing including channel-independent 4-band parametric EQs, compressors, delay, reverb, and more. The mixer is capable of recording audio to either your Mac or a USB hard drive in up to 48 kHz/24-bit resolution, allowing you to record both the individual tracks and live mix of your shows. The chrome edition adds high-contrast chrome rotary and fader knobs that improve visibility in dark conditions, as well as a number of software enhancements from the updated firmware (V1.8).

The mixer is compatible with both the ME monitoring system and dSNAKE digital connectivity system from Allen & Heath. The Qu-24 can also be used with the Qu-Pad app, allowing you to use your iPad to mix from anywhere in the venue when connected to a wireless network.

Mic/Line Inputs 24x Balanced combo XLR/TRS jacks, fully recallable
Input Sensitivity: -60 to +10 dBu (XLR), -50 to +20 dBu (TRS)
Analog Gain: -10 to +60 dB, 1 dB steps
Maximum Input Level: +19 dBu (XLR), +29 dBu (TRS)
Input Impedance: >5 kOhms (XLR), >10 kOhms (TRS)
THD+N, Unity Gain 0 dB: 0.0005%, -89 dBu (20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)
THD+N, Mid Gain +30 dB: 0.001%, -83dBu 20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)

Stereo Line Inputs ST1, ST2 Connector: Balanced, 1/4″ (6.3 mm) TRS Jack, half-normalled
ST3 Connector: Unbalanced 1/8″ (3.5 mm) mini jack
Input Sensitivity (ST1, ST2, ST3): +4 dBu/0 dBu, nominal
Trim: +/-24 dB
Maximum Input Level (ST1, ST2, ST3): +22 dBu/+18 dBu
Input Impedance: >7 kOhms

Line Outputs Mix 1 to 10, GRP 1 to 4, MTX 1 to 4, LR Out: Balanced XLR
Output Impedance: <75 Ohms
Nominal Output: +4 dBu = 0 dB meter reading
Maximum Output Level: +22 dBu
Residual Output Noise: -90 C31 dBu (muted, 20 Hz to 20 kHz)

Stereo Output Alt Output & 2 Trk Output: Balanced 1/4″ (6.3 mm) TRS jacks
Source (Alt Output/2 Trk Output): Patchable/LR post fade
Output Impedance: <75 Ohms
Nominal Output: +4 dBu = 0 dB meter reading
Maximum Output Level: +22 dBu
Residual Output Noise: -91 dBu (muted, 20 Hz to 20 kHz)

AES Digital Audio Outputs 2-channel
48 kHz sampling rate
2.5 Vpp balanced terminated 110 Ohms

Dynamic Range 112 dB

Frequency Response 20 Hz to 20 kHz (+0/-0.5 dB)

Headroom +18 dB

Operating Level Internal Operating Level: 0 dBu

Alignment dBFS: +18 dBu = 0 dBFS (+22 dBu @ XLR output)

Calibration Meter Calibration: 0 dB meter = -18 dBFS (+4 dBu @ XLR output)

Indicators Meter Peak Indication: -3 dBFS (+19 dBu @ XLR out), multi-point sensing
Meter Signal Indication: -48 dBFS (-26 dBu @ XLR out)
Meter Type: Fast (peak) response

Sampling Rate 48 kHz +/-100 PPM

Converters 24-bit Delta-Sigma

Latency 1.2 ms (local XLR in to XLR out)
0.7 ms (local XLR in to AES out)

Operating Temperature 32° to 95°F (0° to 35°C)

Power Mains Power: 100-240 V AC, 50/60 Hz, 120 W maximum

Dimensions (WxDxH) Desk-Mounted: 24.9 x 19.7 x 7.4″ (632 x 500 x 186 mm)

Weight 31 lb (14 g)

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