Categories: Mixers
Designed to accommodate a wide variety of live-sound reinforcement and recording scenarios, the Allen & Heath Qu-SB is an 18-in/14-out rack-mountable, console-less digital mixer that doubles as a 32x32 USB recording interface. Featuring 16 of the company's recallable AnalogiQ microphone preamps, and powered by a 5-core ARM processor, the Qu-SB provides a variety of integrated effects and processing, including channel-independent 4-band parametric EQs, compressors, delay, and reverb.
The mixer is compatible with both the ME Personal Mixing System and dSNAKE digital connectivity system from Allen & Heath, which allows for up to 38 inputs. The Qu-SB is designed to 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.
| Max I/O Capacity | 18x Input / 14x Output |
| Number of Analog Input Channels | 16 |
| Mix Routing | 4x Stereo FX Return |
| Groups | 4x Mute Group 4x DCA Group |
| Display | None: Compatible Table/Computer Required |
| Gain/Trim Range | Line: ±24 dB (Stereo Channels) Line/Mic: -5 dB to +60 dB (in 1 dB Steps) |
| Input Polarity | Normal/Reverse |
| EQ | FX Returns: 4-Band Parametric |
| EQ Parameters | 1x HF Shelf: ±15 dB at 20 Hz to 20 kHz (Shelf or Bell Selectable) 2x MF Notch/Peak: ±15 dB at 20 Hz to 20 kHz 1x LF Shelf: ±15 dB at 20 Hz to 20 kHz (Shelf or Bell Selectable) |
| Graphic EQ | 28-Band 1/3 Octave, ±12 dB 31 Hz to 16 kHz |
| Filters | High-Pass: 20 Hz to 20 kHz, 12 dB/Octave |
| Built-In Effects | Reverb Delay Reverb (Gated) ADT Chorus Phaser Flanger |
| Audio Delay | Adjustable Up to 170 ms |
| Sample Rates | 48 kHz Stereo Record: 48 kHz Stereo Playback: 44.1 / 48 kHz Multitrack Record: 48 kHz Multitrack Playback: 48 kHz |
| Bit Depth | AD/DA Conversion: 24-Bit Delta Sigma Stereo Record: 24-Bit Stereo Playback: 16 / 24-Bit Multitrack Record: 24-Bit Multitrack Playback: 24-Bit |
| Frequency Response | 20 Hz to 20 kHz +0/-0.5 dB |
| Max Input Level | Mic Input: +19 dBu Line Input: +29 dBu Aux Input: +22 dBu (+4 dBu) +18 dBu (0 dBu) |
| Analog Dynamic Range | 112 dB |
| I/O Impedance | Aux Input: > 7 Kilohms Aux Output: < 75 Ohms XLR Line Output: < 75 Ohms XLR Line/Mic Input: > 5 Kilohms 1/4" Line/Mic Input: > 10 Kilohms |
| Noise Floor | -90 dBu (with Inputs Muted) |
| THD+N | Mic/Line Input: 0.0005% at Unity Gain 0.001% at +30 dB Gain |
| Signal Generator | Sine, White, Pink, or Band-Pass Noise (Assignable to Any Mix) |
| Analog Inputs | 1x XLR Talkback Input 16x XLR Balanced Mic Input 16x 1/4" TRS Balanced Line Input 2x 1/4" TRS Balanced Aux Input (1 Stereo Pair, Half-Normalled) |
| Analog Outputs | 10x XLR Balanced Mix Output 2x XLR Balanced Main Output 2x 1/4" TRS Balanced Output (1 Stereo Pair) |
| Digital I/O | 1x RJ45 (Network) 1x etherCON dSNAKE (I/O) |
| USB I/O | 1x USB-A (External Memory) 1x USB-B 2.0 (Audio Streaming) |
| Max Multitrack Recording | 18 Tracks |
| Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Rack Mountable | Yes |
| Rackmount Size | 4 U |
| Dimensions | 17.1 x 6.9 x 6.3" / 435.5 x 174.5 x 161 mm (Desk-Mounted) 19 x 5.3 x 7" / 483 x 135.4 x 177 mm (Rack-Mounted) |
| Weight | 12.7 lb / 5.8 kg |
| Package Weight | 13.6 lb |
| Box Dimensions (LxWxH) | 21.6 x 10.3 x 10.2" |
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