Hear Technologies OCTOHB4 Hear Back OCTO Four Pack with 4 Mixers and 1 Hub

The next evolution of the Hear Back 8-channel personal monitoring system has arrived - introducing the Hear Back OCTO.

With improved audio quality, system performance, and overall ease of use, it revolutionizes monitor mixing on stage or in the studio. Imagine getting your mix exactly the way you want it. With the Hear Back OCTO System, you save time and get the sound just right, the first time. This affordable system is perfect for headphones, wired and wireless in-ear monitors, and/or conventional floor monitors.

Key Features

• Virtually unlimited system size
• Affordable solution
• Excellent audio fidelity
• Very long digital cables possible without loss of audio quality
• Audio inputs ADAT, analog, and the HearBus are switch selectable from the front panel
• Local control of up to 10 channels of audio (eight inputs plus a stereo AUX input). Master Volume controls the level of headphones, line outs, and AUX input.
• Headphone amplifier fault indicator: In case of overheating or a short, the red LED illuminates to alert the user of a problem
• Bus Status Indicator: Confirms proper connection to the Hub
• Link Indicators: Whenever two pairs of mono inputs are linked for stereo operation, the link LED is illuminated
• Standard CAT5e power and signal connection - a cost effective, simple, unobtrusive way to connect eight channels of audio. The cable is held in place with a built-in cable strain relief.
• Balanced line-outs, mono/stereo
• Stereo AUX In
• Mixer has a built-in mic stand mount for attaching to a standard mic stand or clipping onto a stand extension bar or clip
• High power - low distortion headphone amplifiers
• (4) OCTO Mixers, (1) OCTO Hub, (4) 50' Cat5e Cables, (1) Tote Back, and (1) Analog DA-88 style cable

Technical Specifications

Mixer Aux Input
Line Input Configuration / Impedance
Stereo, unbalanced, 10 Kohms typical
Line Input Level
+4 dBu optimal, +22 dBu max
Mixer Headphone Power (Per Channel)
Load Impedance
THD less than 0.01%*
THD less than 0.1%
8 Ohms
342 mW
412 mW
16 Ohms
731 mW
783 mW
25 Ohms
1.07 W
1.25 W
32 Ohms
1.37 W
1.6 W
50 Ohms
1.26 W
1.88 W
100 Ohms
971 mW
1.03 W
200 Ohms
512 mW
537 mW
600 Ohms
185 mW
190 mW
IMD
Typically, less than 0.02%
Mixer Line Output
Freq Response
20 Hz to 20 KHz, +/-0.16 dB
THD+N
0.004% typical at 1 kHz, +18 dBu
0.008% typical, 20 Hz - 20 kHz, +4 dBu
IMD
0.02% typical at +4 dBu, 60 Hz / 7 kHz
Crosstalk
Less than -85 dB @ 1 kHz
Latency
Less than 1.5 mSec
System Noise Performance
Noise, A-Weighted
-94 dBu @ analog, -97 dBu optical
Dynamic Range
122 dB typical
System I/O
Hub Line In, Analog
8 Balanced inputs on DB-25 female (DA-88 pinout)
Hub Max Input Level, Analog
+18 dBu
Hub Light Pipe In
Industry standard fiber optic connector, shuttered
Hub HearBus In, out
2x 8-pin RJ45 jack
Mixer Headphone Out
1x TRS 1/8” and 1x 1/4” unbalanced stereo
Mixer Line Out
2x TRS 1/4” balanced (left/mono or stereo)
Mixer Max Output Level, Analog
+28 dBu (mixed output)
Mixer Aux Input
TRS 1/8” unbalanced stereo
Physical, Mixer
Size
5.1” H x 9.3” W x 2.519” D (12.95 cm H x 23.62 cm W x 6.40 cm D)
Unit Weight
15.8 oz. (0.45 kg)
Mounting
Standard mic stands (5/8” 27 threads per inch) or desk mounted
Physical, Hub
Size
1.75” H x 19.0” W x 5.0” D (4.45 cm H x 48.26 cm W x 12.7 cm D)
Unit Weight
3.9375 lb. (1.79 kg)
Mounting
Standard rack mount, 1 RU
Power
Hub Power Requirements
~100-240VAC 125W 50/60Hz