Audio switcher with 12 inputs balance/unbalance / Bộ chuyển mạch Audio 12 ngõ vào balance/unbalance

Key features:
- Inputs: Captive screw connectors
   Impedance: 25k ohms unbalanced. 50k ohms balanced. DC coupled
   Nominal level  +4 dBu (1.23 Vrms). -10 dBV (316 mVrms). configurable
   Maximum level  >+15 dBu. (balanced or unbalanced) at 1% THD+N
   Input gain adjustment  -18 dB to +24 dB. adjustable per input
- Outputs: Captive screw connectors
   Impedance  50 ohms unbalanced. 100 ohms balanced
   Gain error  ±0.1 dB channel to channel
   Nominal level  +4 dBu (1.23 Vrms). -10 dBV (316 mVrms). configurable
   Maximum level (Hi-Z)  >26 dBu. balanced; >+20 dBu. unbalanced at 1% THD+N
   Maximum level (600 ohm)  >21 dBm. balanced; >+15 dBm. unbalanced at 1% THD+N
- 12 ngõ vào cho stereo audio
- Serial control port  RS-232. 9-pin female D connector (also used for contact closure for 4- and 6-input models)
  Baud rate and protocol  9600 baud. 8 data bits. 1 stop bit. no parity
  Serial control pin configurations  2 = TX. 3 = RX. 5 = GND
- 1U. full rack width metal enclosure với - Internal universal power supply