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Hear Technologies Hear Back PRO Modular Mix Routing System with ADAT Input (4-Pack)

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Hear Technologies Hear Back PRO Modular Mix Routing System with ADAT Input (4-Pack)
Key Features
  • Fully Modular and Expandable
  • Several Slot Card Options
  • Hear Back PRO Hub Included
  • Four Mixer Units Included
The Hear Back PRO Routing System Modular Mixer with ADAT Input (4-Pack) from Hear Technologies is a completely modular and expandable system with a simple layout that makes nailing down your mix a quick and intuitive process. Based in Gigabit Ethernet, this framework paves the way for an impressive range of future possibilities.
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Hear Technologies Hear Back PRO Overview

The Hear Back PRO Routing System Modular Mixer with ADAT Input (4-Pack) from Hear Technologies is a completely modular and expandable system with a simple layout that makes nailing down your mix a quick and intuitive process. Based in Gigabit Ethernet, this framework paves the way for an impressive range of future possibilities.

The system consists of two main components: Hub and Mixer. The modular Hub consists of four card slots, which can be populated with any configuration of input and output cards to fit your needs. Each Hub has the ability to supply signal and power to as many as 32 Mixers (eight per Network Card), each over a single standard Cat 6 cable. With built-in HBUS In/ Out ports, multiple hubs can be daisy-chained together, allowing for unlimited system expansion. In addition to the hub and four mixers, the system includes four 50' Cat 6 cables, an eight-port network card, and a ADAT input card. The PRO Connect application combines the features of multiple legacy apps and tools, while also introducing new user functions, providing a web-based interface to update, configure, and control your PRO Mixers and Hubs with ease and expertise.

Additional Details
  • Modular I/O hub card system allows for system customization
  • FW V5 and V6 allow two independent input sources simultaneously (e.g. analog, Dante)
  • Large master knob controls overall main mix, aux, and intercom levels independently
  • Volume and panning control of all channels
  • Direct and immediate visual feedback of all channels
  • Write session info and channel settings on storable mixer overlays for unlimited presets
  • Optional PRO digital overlay (available for FW V6) features OLED graphical displays for electronic channel labeling and mixer status
  • Instantly store and recall presets from memory with the push of a button
  • Most recent configuration is saved after power-down
  • Support for sampling rates up to 192 kHz
  • Selectable XLR or 3.5mm mixer aux input on Pro mixer
  • Built-in intercom broadcasts the aux Source (mic, MP3 player, click, etc.)
  • Intercom auto adjusts level to ensure all audio is captured
  • Supports secondary power supply providing redundancy and power for up to 32 mixers per hub
  • USB port on hub makes updating firmware for future features and upgrades a simple drag-and-drop operation
  • HBUS in/out connections allow daisy-chaining hubs
  • Side-mounted card slot on mixer for future expansion
  • Status Indicating logo lights on hub and mixers easily detect and diagnose problems

Hear Technologies Hear Back PRO Specs

Input Connection
ADAT
Input Level
Line: 0 dBu Optimal, +18 dBu Max
Mic
Input Configuration/Impedance: XLR Mono, Balanced, 150 Ohms Typical, 150 Hz High Pass
Input Level: -42 dBu Optimal, -30 dBu Max
Headphones
Load Impedance (THD < 0.01%): 8 Ohms / 1.2 W IMD: Typically < 0.03%
Line Output
Freq Response:
20 Hz to 20 KHz, ±0.15 dB
THD+N:
0.004% (Typical at 1 kHz, +15 dBu)
0.008% (Typical, 20 Hz to 20 kHz, +4 dBu)
IMD: 0.02% (Typical at +4 dBu, 60 Hz / 7 kHz)
Crosstalk: Less than -93 dB @ 1 kHz
Propagation Delay:
Analog Input to Analog Output: 0.248 mSec @ 192 kHz
Digital Input to Analog Output: 0.092 mSec @ 192 kHz
Digital Input to Digital Output: 0.0452 mSec @ 192 kHz
Audio over Ethernet Protocol (HBUS): 0.000592 ms
Noise
-93 dBu @ 192 kHz (A-Weighted)
Dynamic Range: 117 dB Typical
I/O
Hub Line In, Analog: 8 Balanced Inputs on a DB-25 Female (DA-88 Pinout) per Analog Card
Hub Maximum Input Level (Analog):
+ 8 dBu (Analog Card Pad Populated)
+ 18 dBu (Jumpers Removed)
Hub HBus In, Out: RJ45
Hub USB Port: USB 2.0 (Firmware / Settings)
Hub Card Slots (4x): Analog or Digital Input Card, Output Card, or 8 Port Mixer Network Card

Mixer to Hub Connection: 8-Pin RJ45 (8x Mixer Connections per Network Card)
Mixer Headphone Out: 1/4" & 1/8" / 3.5 mm Unbalanced Stereo
Mixer Line Out: 2 x TRS 1/4" Balanced (Left/Mono and Right)
Mixer Max Output Level, Analog: +24 dBu (Mixed Output)
Mixer Aux Input: 1 x TRS 1/8" Unbalanced Stereo / 1 x XLR Balanced Mono (15 V Phantom Power)
Mixer Card Slot: For Future Digital or Analog I/O Expansion or Side-Car Add-On
Power
Hub Power Requirements:
48 VDC, 150 Watts (Up to 16 Mixers)

Mixer Power Requirements:
(PoE) 36-52 Volts DC, 15 Watts Max Provided by Hub Through Cat 5e/6

External Power Supply Requirements:
Input Voltage: 90 to 264 VAC / 50/60 Hz
Dimensions
Mixer:
Size: 9.5 x 5.95 x 2.71" / 241 x 152 x 68.8 mm
Unit Weight: 1.6 lb / 0.72 kg
Mounting: Standard Mic Stand (5/8" 27 Threads per Inch) or Desk Mounted

Hub:
Size: 1.75 x 19 x 8.5" / 483 x 216 x 44.5 mm
Unit Weight: 6.3 lb / 2.8 kg
Mounting: Standard Rack Mount, 1 RU

Hear Technologies Hear Back PRO Reviews

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