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HEAR TECHNOLOGIES HEAR BACK HUB
Tre selettori di ingresso ad otto canali:
ADAT Ottico
Analogico
HearBus
Convertitori A/D 24-bit
Ingressi Digitali: con frequenza di campionamento 44.1KHz e 48 KHz
Ritardo di sistema (latenza) meno di 1.5 millisecondi
* Quattro indicatori di livello a 3-LED
* Un cavo Standard CAT5E fornisce alimentazione e segnale ai mixer
* Daisy-chain per sistemi particolarmente complessi
* Alimentazione interna universale
* Chassis ad 1 unità rack
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
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