Mix Back

Master Features

  • 2 stereo and 12 mono TRS outputs
  • Switch selectable meter/headphone monitoring
  • 2 stereo TRS balanced effect returns
  • Switch assignable FX1/FX2 returns to the 12 mono masters
  • Stereo Aux return with level controls to both stereo busses – great for FOH mix or the studio “two mix”
  • Buss inputs permit stacking of multiple mixers
  • Talk back mic preamp assignable to stereo masters 1 and 2, mono outputs 1-12, and the balanced Intercom/slate output
  • Relay contact when the talk back intercom switch is pressed
  • 16 button talkback remote connects using standard CAT5e cable
  • 16 channels of ADAT and HearBus output
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Mix Back

The Mix Back is a flexible and affordable 16 x 12 x 2 x 2 monitor mixer that features two stereo outputs and twelve mono outputs. There are sixteen high quality Mic/Line inputs with passive split. It also features two HearBus outputs and two ADAT optical outputs. A perfect companion to our Hear Back personal monitor system. A talkback mic preamp permits talking to any mono output, master outputs and the intercom output.

Included is a UV LED gooseneck lamp that makes the knob pointers and silkscreen on the front of Mix Back glow-in-the-dark!

Input Channel Features

  • 16 quality Mic/Line inputs with passive XLR split
  • Pin 1 lift and Mic phantom power switches
  • Channel inserts
  • Signal/Clip LED indicator
  • 100 Hz high-pass filter
  • Gain control
  • 4 band EQ with separate controls for sweep and cut/boost on mid bands
  • Two stereo level and pan controls (ST1 and ST2)
  • Twelve mono level controls (1-12)
  • Switch selectable effects 1-2 sends
Outputs Inputs
ST1 L/R ST1 L/R
ST2 L/R ST2 L/R
Mono 1-12 Mono 1-12
FX1 Send FX1 L/R
FX2 Send FX2 L/R
Talkback output Stereo Aux inputs
Talkback Relay Talkback Mic
ADAT - 16 Channels Talkback remote Control
HearBus - 16 Channels

Other Features

  • Universal internationally approved internal power supply
  • 11 RU chassis
  • All analog inputs and outputs are balanced
Passive Microphone Split (Each Channel)
Mic In to Mic Out: Passive
Mic Power: +18 VDC
Pin 1 Lift: Output XLR
Mic Input to Insert Output
Conditions: +14 dBu input, Gain full CCW, 150 Ω, Balanced  
Frequency Response: 20 Hz to 20 KHz, +/- 0.05 dBu
  10 Hz to 120 KHz, +/- 0.3 dBu
THD+N: 0.002%, 22 Hz to 22 KHz, unweighted
IMD: 0.004%
EIN: -121 dBu, 150 Ω Source, -40 dBu input
Mic Pre to Master Output
Conditions: 0 dBu input, Gain full CCW, 150 Ω, Balanced
Frequency Response: 20 Hz to 20 KHz, +/- 0.5 dBu
THD+N: 0.004%, 22 Hz to 22 KHz, unweighted
IMD: 0.004%
Maximum Gain: 60 dBu, EQ Flat
Line Inputs to Insert Outputs
Conditions: +18 dBu input, Gain full CCW, 150 Ω, Balanced
Frequency Response: 20 Hz to 20 KHz, +/- 0.3 dBu
THD+N: 0.005%, 22 Hz to 22 KHz, unweighted
IMD: 0.005%
Maximum Gain: 10K Ω, balanced
Attenuation: 18 dB
Channel Equalization
Hi Frequency: 10 KHz shelving, +/- 15 dB
Hi Mid Frequency: 500 Hz to 15 KHz, +/- 15 dB
Lo Mid Frequency: 50 Hz to 3 KHz, +/- 15 dB
Lo Frequency: 100 Hz shelving, +/- 15 dB
Hi-Pass Filter: 100 Hz, 3 pole, 18 dB/Octave
Buss Inputs to Master Outputs
Conditions: +4 dBu input, 150 Ohms, Balanced  
Frequency Response: 20 Hz to 20 KHz, +/- 0.2 dBu
THD+N: 0.005%
IMD: 0.005%
Input Impedance: 10K Ω, balanced
Digital Output:
ADAT Output: 24 Bit, 44.1 KHz / 48 KHz Selectable
HearBus Output: 24 Bit, 44.1 KHz / 48 KHz Selectable
ADAT/HearBus 1: Master 1 L/R, Channels 1-6
ADAT/HearBus 2: Master 2 L/R, Channels 7-12
Analog Line Outputs
Maximum Output Level: +24 dBu, TRS Balanced
Output Impedance: 121 Ω, balanced
Talkback Mic Pre Amplifier
Conditions: -40 dBu input, 150 Ω, Balanced
Frequency Response: 20 Hz to 20 KHz, +/- 1.5 dBu
Gain: Off to 50 dBu, variable
Line Output: 121 Ω, TRS Balanced
Input Impedance: 1K Ω, balanced
THD: 0.05%
IMD: 0.09%
Remote Control: 1-12, ST1, ST2, COM, ALL
Remote Cable: CAT5e, 500 ft. max, wired pin-to-pin
Effects (FX) Return
Conditions: +4 dBu input, 150 Ω, Balanced
Frequency Response: 20 Hz to 20 KHz, +/- 0.5 dBu
Gain, FX return to Master: 1 dB, Master at center
THD+N: 0.0025%, 20 Hz to 20 KHz
IMD: 0.0027%, 20 Hz to 20 KHz
Input Imedance: 10K Ω, balanced
Maximum Input Level: +10 dBu, control centered
Stereo Aux Input
Conditions: +4 dBu input, 150 Ω, Balanced
Frequency Response: 20 Hz to 20 KHz, +/- 0.5 dBu
Gain: Off to +6 dBu, Aux to Stereo Masters
THD+N: 0.0033%, 20 Hz to 20 KHz
IMD: 0.004%, 20 Hz to 20 KHz
Input Imedance: 10K Ω, balanced
Maximum Input Level: +8 dBu
Power Supply (Universal)
Input Voltage: 100 to 240 VAC~, 50-60 Hz
Input Current: 2 Amps
Maximum Continuous Input Power: 240 Watts
Fuse (Internal): 3.15 Amp
Inrush: 60 Amps, 2 mSec
Short Circuit Protection: Yes
AC Input Connector: IEC 320-C14, Internationa
Agency Listing: FCC class B, CISPR 22 class B, IEC 60950-1 safety, EN 61000-4-2, 4-4, 4-5
Physical
Construction: Steel Chassis / Steel Front Panel
Size (with 1” handles): 19.23" H x 19" W x 5.35" D (488mm H x 482.6mm W x 135mm D)
Unit Weight: 30.8 lbs (14 kg)
Mounting Standard rack mount, 11RU
Shipping size: 10.55" H x 25.0" W x 24.53" D (268mm H x 635mm W x 623mm D)
Shipping Weight: 42.9 lb. (19.5 kg)

Note: 0 dBu = 0.775 Vrms. Specifications and features subject to change without notice.

*Specifications and features subject to change without notice.

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Mix Back Talkback Remote

With the Remote Control, the talkback mic preamp is assignable to stereo masters 1 and 2, mono outputs 1 - 12, and the balanced intercom/slate output. Connects up to 500 feet with a standard CAT5e cable. FOR USE WITH MIX BACK (MB) ONLY.

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UV LED Lamp

Guides

Application/Product Notes:

Label:

Support

If you need help from our highly skilled Tech Support, the easiest and quickest way to get your solution is by phone. Hear Technologies is committed to providing you the industry's best customer service.

Max Sulkowski
Phone: 1-256-922-1200 ext. 135
Fax: 1-256-922-1221

For more information please see our Support page.

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