Allen & Heath XB-10 Compact Broadcast Mixer
- 3 x Mic/Line Channels
- 3 x Stereo Channels
- Telco Channel
- USB Sound Card for Mac & Windows
- MusiQ 3-Band AEQ
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- Product: #37013
- SKU: AH-ZED-XB-10
The XB-10 by Allen & Heath is a compact broadcast mixer designed for self-operated broadcast applications in small radio and internet studios, as well as larger facilities with multiple rooms.
It offers a host of features such as a telephone-communication (Telco) channel, ON switch logic for automatic muting of speaker outputs, start/cue outputs for CD deck-transport control, separate headphone mix & output for guests, built-in mic compressors, output limiter, and more.
The XB-10 audio circuitry employs three mic/line channels equipped with high-gain preamps, 3-band EQs to help cut sibilance & lower popping noise, and 2-band EQs for use with music. Each mic pre is equipped with a compressor, and a limiter on the main output ensures that the final mix does not exceed predetermined level.
The full-duplex USB sound card offers playback and record to & from a computer as well as voice over IP (VoIP), and it's compliant with Mac & Windows core audio drivers.
- Three mic/line mono channels
- Three stereo channels
- Telco channel with optional USB routing for VoIP
- Aux / Alt bus for external processing, recording or auditioning
- Separate headphones mix and outputs for operator and guest
- Auto mutes on control-room outputs
- ON switch logic on mic and Telco channels
- Start/cue logic outputs on stereo channels
- Talk button for off-air conversation with guests
- Input signal and peak metering
- Ground-cancel switches on RCA outputs
Each mic channel has its own compressor to even out the microphone's dynamics. Low-level signals are boosted, mid-level signals are mildly compressed with a soft-knee response, and high-level signals are limited. This automatic compression is activated with a switch, and an LED indicates when compression occurs.
The main output on the XB-10 is equipped with a variable limiter to ensure that the final mix to air does not exceed a pre-defined level. The limiter can be selected or bypassed with a switch located on the back panel.
The XB-10 is equipped with a 3-band equaliser circuit on each mono input and a 2-band AEQ on the Telco & stereo channels. The frequency and response of each AEQ is optimised for a wide variety of sound sources.
The stereo bi-directional sound card offers playback and recording to and from a computer. The Telco channel can be used directly from the USB connection, and callers can be accessed via Skype or similar VOIP applications. The USB 1.1 audio codec is compliant with USB 2.0 ports and Windows & Mac core audio drivers.
The dedicated Telco input channel features a selectable clean-feed output (LR PGM or Aux), a 100 Hz HPF, and a 2-band shelf AEQ. The Talk button allows for off-air conversation with the caller.
The XB-10 has a 25-way D connector on its rear panel to allow for a number of extra functions. The mic and Telco channels have ON switch logic used to remotely control external equipment. They can also be remotely muted from studio-located mute or cough switches (available separately). The stereo channels have start and cue logic outputs used to operate external equipment such as CD players.
The XB-10 features individual vertically mounted channel circuit boards with rotary controls fixed to the front panel using metal nuts. This robust construction allows for removing channels from the mixer one at a time and for easily changing faders, making servicing minimally disruptive.
|Inputs||Mono Channel Mic Input (XLR): -10 to -60 dBu nominal / +11 dBu in max
Mono Channel Line Input (TRS Jack Socket): 10 to -40 dBu / 30 dBu max
Stereo Input (TRS Jack Sockets): 0 dBu nominal / gain = off to +15 dB
Stereo Input (RCA Phono Sockets): 0 dBu nominal / gain = off to +15 dB
Telco Channel Input (TRS): +10 to -26 dBu / +30 dBu max
External Monitor Input (RCA Phono Sockets): 0 dBu nominal
|Outputs||PGM L&R Output (XLR): 4 dBu nominal / +25 dBu max
PGM L&R Inserts (TRS Jack Sockets): -2 dBu nominal / +21 dBu max
Aux Output (RCA Phono Socket): 0 dBu nominal / +21 dBu max
Alt Output (RCA Phono Socket): 0 dBu nominal / +21 dBu max
Rec Outputs (RCA Phono Sockets): 0 dBu nominal / +21 dBu max
Telco Clean Feed Output (TRS Jack socket): 0 dBu nominal / +21 dBu max
CRM Speaker Outputs (RCA Phono Sockets): 0 dBu nominal / +21 dBu max
|THD + N||Mic In to PGM L/R Out: 0.002% (15 dB gain, 1 kHz, +10 dBu out)
Mic In to PGM L/R Out: 0.006% (30 dB gain, 1 kHz, 0 dBu out)
Line In to PGM L/R Out: 0.005% (0 dB gain, 1 kHz, 0 dBu out)
Stereo In to PGM Out: 0.002% (0 dB gain, 1 kHz, +10 dBu out)
Telco In to PGM L/R Out: 0.004% (0 dB gain, 1 kHz, 0 dBu out)
|USB||USB Audio In/Out: USB 1.1 compliant 16-bit
Sample Rate: 32, 44.1, 48 kHz
|Noise||Mic Pre EIN @ Maximum Gain: -126 dBu (150 R Input Z, 22 to 22 kHz)
PGM out: -103 dBu (PGM fader = 0, 22 to 22 kHz)
Aux Out, Alt Out, Rec Out: <-93 dBu (@ nominal, 22 to 22 kHz)
|Headroom||Analogue Headroom from Nominal (0 VU) Outputs: 21 dB
Analogue Headroom from Nominal (0 VU) Mix Point: 24 dB
USB In & Out Headroom from Nominal (0 VU): 14 dB
|Crosstalk / Attenuation||Mono Fader Attenuation: -88 / -88 (dB relative to +10 dBu, 1 kHz / 10 kHz)
Mono ON-Switch Attenuation: -98 / -98 (dB relative to +10dBu, 1kHz / 10kHz)
TELCO Fader Attenuation: -90 / -90 (dB relative to +10 dBu, 1 kHz / 10 kHz)
TELCO ON-Switch Attenuation: -98 / -98 (dB relative to +10 dBu, 1 kHz / 10 kHz)
Stereo-Fader Attenuation: -86 / -86 (dB relative to +10 dBu, 1 kHz / 10 kHz)
Stereo ON-Switch Attenuation: -99 / -96 (dB relative to +10 dBu, 1 kHz / 10 kHz)
PGM Fader Attenuation: -87 / -87 (dB relative to +10dBu, 1 kHz / 10 kHz)
TELCO Clean-Feed Isolation from I/P: -94 /-77 (dB relative to +10 dBu, 1 kHz / 10 kHz)
Stereo Separation, L In to PGM R Out: -75/-74 (dBr, 1 kHz / 10 kHz)
|Frequency Response||Mic In to PGM L/R Out: 0.5/-1 dB, 10 Hz to 30 kHz (30 dB gain)
Line in to PGM L/R Out: 0.5/-1 dB, 10 Hz to 20 kHz (0 dB gain)
Stereo in to PGM L/R Out: 0.5/-1 dB, 10 Hz to 30 kHz
|Power Supply||100 - 240 V / 47 - 63 Hz|
|Power Consumption||22 W|
|Dimensions (W x H x D)||336 x 95 x 275 mm|