TS-7912D-AS

Central Unit

TS-7912D-AS

The TS-7912D is a Central unit for TOA Conference System. With the use of its line connection terminals permits connections to the Conference units of TS-791L and TS-792L, making up a conference system. It has built-in 120W power amplifier for external speaker. Each operation of Conference units and Power amplifier has its own power supply. The TS-7912D is equipped with Video conference connection terminals such as USB port or RCA jack. It is also equipped with Equalizer connection terminals to connect an equalizer or other signal processor. With the use of an optional rack mounting bracket, it can be mounted in an EIA standard equipment rack (2 unit size).

Specifications Equipment Downloads

*0 dB = 1V

Power Source

100 - 240 V AC, 50/60 Hz

Power Consumption

230 W (rated output, 64 units)
81 W (1/8 of rated output, 64 units)

Current Consumption

200 mA or less (when power switch is OFF)

Frequency Response

20 Hz to 20 kHz ±3 dB

Distortion

1 % or less at 1 kHz (20 kHz LPF (AUX-0025)

Tone Control

Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz (Speaker Out)

Signal to Noise Ratio

83 dB or more (Speaker volume: min.)
76 dB or more (Speaker volume: max, Input volume: min.)
55 dB or more (Speaker volume: max, Input volume: max.)
(A-weighted)

Audio Input

Mic: -60dB* (unbalanced) / -41 dB* (balanced) selectable, 600 Ω, Ø6.3 mm phone jack
Note: MIC input is equipped with phantom power (24 V DC, ON/OFF switchable)
AUX IN: -20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2

Audio Output

SPEAKER OUT: High impedance (100 V line / total 83 Ω) / Low impedance (4 - 16 Ω) selectable, removable terminal block (3 pins)
REC OUT: -10dB*, 10 kΩ, unbalanced, RCA pin jack x 2

Equalizer Input/Output Terminal

-10dB*, 10 kΩ, unbalanced, RCA pin jack, ON/OFF switchable

Video Conference System Input/Output Terminal

-10dB*, 10 kΩ, unbalanced, RCA pin jack
USB Audio Type-B port (for PC)
Audio streaming data-in: 11.025/16/22.05/32/44.1/48 kHz sampling frequency (selectable on PC), 16-bit PCM.
Audio streaming data-out: 32/44.1/48 kHz sampling frequency (selectable on PC), 16-bit PCM.

Volume Control

MIC volume, AUX volume, VIDEO CONFERENCE volume, SPEAKER volume, Microphone and Monitor speaker of Conference Unit volume, CHIME volume.

LED Indicator

Power (Green)
Amplifier: INPUT SIGNAL (Green), PEAK (Red), PROTECT (Red), ERROR (Red)
Conference Unit Setting: NORMAL (Green), AUTO MIC OFF (Green), TEST (Red)

Number of Connectable Conference Units

Max. 64 units

Chairman/Delegate Units Terminal

LINE 1, 2: 8 pin DIN Socket

Conference Unit Setting

MODE Switch: NORMAL / AUTO OFF / TEST
MAX MIC UNIT Switch: Number of Delegate Units can be turned on microphone set to 0, 1, 2 or 4

Operating Temperature

0 °C to +40 °C (32 °F to 104 °F)

Operating Humidity

90 %RH or less (no condensation)

Finish

Panel: ABS resin, Black
Case: Surface-treated Steel plate, Black, Paint