Hear Technologies Hear Back Mixer
Each mixer controls up to eight channels of audio. Features built-in mic stand mount.
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PRODUCT DESCRIPTION
A basic Hear Back system consists of a Hub and personal Mixers connected using standard CAT5E cables. A single Hub supplies signal and power to a maximum of eight Mixers. That’s one for you and everybody in the band. If that’s not enough, the Hubs can be daisy-chained using the HearBus In and Out for virtually unlimited system size. The Hear Back Hub can accept analog input signals from audio mixers, auxiliary, matrix, monitor, and/or direct outputs.
The ADAT input can come from digital audio workstations, digital recorders, or digital mixers. For front of house or remotely located digital mixers, we also have the Extreme Extender ADAT In/Out that converts ADAT optical, which has very limited distance, to the HearBus for transmission of up to 500 feet.
Hear Back Mixer Features:
Local control up to eight channels of audio
Master volume
Built-in DSP limiter
24-bit D/A converters
Less than 1.5 millisecond total system delay
Bus status indicator
Headphone amplifier fault indicator
Link indicators
Standard CAT5E power and signal connection
Balanced line outs, mono/stereo
Stereo AUX in:
– Expand numbers of mixers
– Drum module/metronome input
Built-in standard threaded mic stand mount
Mounting the Mixer
The Hear Back Mixer is equipped to mount to any standard mic or desk stand using the built-in 5/8 inch threaded socket located on the back of the mixer.
The ADAT input can come from digital audio workstations, digital recorders, or digital mixers. For front of house or remotely located digital mixers, we also have the Extreme Extender ADAT In/Out that converts ADAT optical, which has very limited distance, to the HearBus for transmission of up to 500 feet.
Hear Back Mixer Features:
Local control up to eight channels of audio
Master volume
Built-in DSP limiter
24-bit D/A converters
Less than 1.5 millisecond total system delay
Bus status indicator
Headphone amplifier fault indicator
Link indicators
Standard CAT5E power and signal connection
Balanced line outs, mono/stereo
Stereo AUX in:
– Expand numbers of mixers
– Drum module/metronome input
Built-in standard threaded mic stand mount
Mounting the Mixer
The Hear Back Mixer is equipped to mount to any standard mic or desk stand using the built-in 5/8 inch threaded socket located on the back of the mixer.
TECHNICAL DESCRIPTION
Aux Input
Input Configuration/Impedance: Stereo, unbalanced, 10 Kohms typical
Input Level: +4 dBu optimal, +22 dBu max
Head Phone Power
Load Impedance: THD less than 0.01%* - THD less than 0.1%
8 Ohms: 150 mW* - 230 mW
*THD AT 8 Ohms = 0.015% typical
16 Ohms: 235 mW - 500 mW
25 Ohms: 675 mW - 775 mW
32 Ohms: 950 mW - 1.1 W
50 Ohms: 1.6 W - 1.8 W
100 Ohms: 1.14 W - 1.25 W
200 Ohms: 500 mW - 650 mW
600 Ohms: 215 mW - 220 mW
IMD: Typically less than 0.03%
Line Out
Freq Response: 20 Hz to 20 KHz, +0.04 dB, -0.55 dB
THD+N:
- 0.008% typical at 1 KHz, +15 dBu,
- 0.02% typical, 20 Hz – 20 KHz, +4 dBu
IMD: 0.02% typical at +4 dBu, 60 Hz/7 KHz
Crosstalk: Better than -85 dB @ 1 KHz
Propagation Delay: Less than 1.5 mSec, Hub input to mixer output using 500 ft. of cable
Noise Performance
Noise, A-Weighted: -91 dBu analog, -97 dBu optical
Dynamic Range: 112 dB typical
Mixer I/O
Mixer Headphone Out: TRS 1/4 in. unbalanced stereo (2 each)
Mixer Line Out: TRS 1/4 in. balanced (2 each)
Maximum Output Level, Analog: +24 dBu (mixed output)
Aux Input: TRS 1/8 in. unbalanced stereo
Physical, Mixer
Size (HxWxD): 11.5 x 5.2 x 3.6 in. (29.2 x 13.2 x 9.15 cm)
Unit Weight: 1.2 lb. (0.54 kg)
Mounting: Standard mic stand or desk mounted
Input Configuration/Impedance: Stereo, unbalanced, 10 Kohms typical
Input Level: +4 dBu optimal, +22 dBu max
Head Phone Power
Load Impedance: THD less than 0.01%* - THD less than 0.1%
8 Ohms: 150 mW* - 230 mW
*THD AT 8 Ohms = 0.015% typical
16 Ohms: 235 mW - 500 mW
25 Ohms: 675 mW - 775 mW
32 Ohms: 950 mW - 1.1 W
50 Ohms: 1.6 W - 1.8 W
100 Ohms: 1.14 W - 1.25 W
200 Ohms: 500 mW - 650 mW
600 Ohms: 215 mW - 220 mW
IMD: Typically less than 0.03%
Line Out
Freq Response: 20 Hz to 20 KHz, +0.04 dB, -0.55 dB
THD+N:
- 0.008% typical at 1 KHz, +15 dBu,
- 0.02% typical, 20 Hz – 20 KHz, +4 dBu
IMD: 0.02% typical at +4 dBu, 60 Hz/7 KHz
Crosstalk: Better than -85 dB @ 1 KHz
Propagation Delay: Less than 1.5 mSec, Hub input to mixer output using 500 ft. of cable
Noise Performance
Noise, A-Weighted: -91 dBu analog, -97 dBu optical
Dynamic Range: 112 dB typical
Mixer I/O
Mixer Headphone Out: TRS 1/4 in. unbalanced stereo (2 each)
Mixer Line Out: TRS 1/4 in. balanced (2 each)
Maximum Output Level, Analog: +24 dBu (mixed output)
Aux Input: TRS 1/8 in. unbalanced stereo
Physical, Mixer
Size (HxWxD): 11.5 x 5.2 x 3.6 in. (29.2 x 13.2 x 9.15 cm)
Unit Weight: 1.2 lb. (0.54 kg)
Mounting: Standard mic stand or desk mounted
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