Hear Technologies  Hear Back Monitor Mixer (for Hear Back System ( HBM )

The Hear Back mixer has 8 individual channels of headphone output, making a great addition to an existing Hear Back system.

Features:

• Local control up to ten 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

 

	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' of cable
	Noise Performance
	Noise, A-Weighted:		-91 dBu analog, -97 dBu optical
	Dynamic Range:		112 dB typical
	System I/O
	Hub Line In, Analog:		8 Balanced inputs on DB-25 female (Tascam DA-88 pinout)
	Maximum Input Level, Analog:		+15 dBu
	Hub Light Pipe In:		Industry standard fiber optic connector, shuttered
	Hub HearBus In, Out:		8-pin RJ45 jack (2 each)
	Mixer Headphone Out:		TRS 1/4" unbalanced stereo (2 each)
	Mixer Line Out:		TRS 1/4" balanced (2 each)
	Maximum Output Level, Analog:		+24 dBu (mixed output)
	Aux Input:		TRS 1/8" unbalanced stereo
	Physical, Mixer
	Size:		11.5" (29.2 cm) H x 5.2" (13.2 cm) W x 3.6" (9.15 cm) D
	Unit Weight:		1.2 lb. (0.54 kg)
	Mounting:		Standard mic stand or desk mounted
	Physical, Hub
	Size:		1.75" H x 19" W x 7.125" D
	Unit Weight:		5.0 lb.
	Mounting:		Standard rack mount, 1 RU
0 dBu = 0.775 Vrms
*Note: Specifications and features subject to change without notice.

Specifications

HEAR BACK Mixer User's Manual  HEAR BACK Information Sheet  View Hear Technologies Web page on this item Warranty Information1-year limited warranty.

Availability

THIS ITEM IS ON BACKORDER UNTIL MAY 2009

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