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TH-03EX
It comes with 2 telephone lines, and either analog or AES/EBU digital inputs and outputs
The TH-03 has built-in signal level metering for each hybrid line
Feedback is automatically mitigated by the digital hybrid
Digital Hybrids with AEQ’s Frequency Extender
The TH-03 is an advanced digital hybrid that comes with 2 telephone lines, and either analog or AES/EBU digital inputs and outputs. The TH-03 has built-in signal level metering for each hybrid line. Feedback is automatically mitigated by the digital hybrid, and no adjustments or calibration required.
It includes a mix-minus bus for multiplex communication while on-air or on-hold in the studio: Pressing the MPX button automatically establishes a conference between the two telephone lines, so only a single audio feed to and from the hybrid to the mixing console is needed.
Functional
Description
Front Panel
Local & remote control
Put the call on hold
Frequency extension
Puts the call on the air
MULTIPLEX, between the two lines
RING, incoming call indicator
Line input and output signal levels
Connectivity
Power connection
Power button
GPIO for remote control
External telephone set connection
Audio output, analogue or digital programme (opt.)
Telephone line connector
Digital input/output indicator (optional)
Analogue and digital programme audio input (opt.)
Technical Details
Audio Inputs and Outputs
AUDIO INPUTS:
– Analog: Electronically balanced.
– Input impedance: > 6 K !
– Nominal input level: 0 dBv.
– Digital: AES/EBU transformer balanced.
– Internal adjustment of audio gain.
AUDIO OUTPUTS:
– Analog: Electronically balanced.
– Nominal output level: 0 dBv.
– Digital: AES/EBU transformer balanced.
– Internal adjustment of audio gain.
Telephone Interface
– Input/Output: Transformer coupled.
– Impedance: 600 !
– Nominal input level: -10 dBm.
– Nominal output level: -6.5 dBm.
*In conferencia mode, telephone line output level (nominal line input level): -7.5 dBm.
Dimensions
– 1 Standard 19” Rack Unit.
– Width: 482 mm. (19”).
– Height: 44,5 mm. (1.75”).
– Depth: 230mm. (9”).
Audio Bandwidth (Frequency Extender OFF)
– Telephone Line: 300 – 4,000 Hz +/- 1 dB.
– Audio Output: 300 – 4,000 Hz +/- 1 dB.
Audio Bandwidth (Frequency Extender ON)
– Telephone Line: 50 – 3,750 Hz +/- 1 dB.
– Audio Output: 50 – 3,750 Hz +/- 1 dB.
– Distortion: THD+N: 1 KHz at nominal I/O levels.
– Telephone Line: < 0.20%.
– Audio Output: < 0.15%.
– Absolute Noise: TX < -66 dBm. RX < – 68 dBm.
– Frequency Extender: TX = 250 Hz. RX = – 250 Hz.
– Cross-Talk: Lower than absolute noise.
Electronic echo suppression
– Line impedance: One and two lines: 600 !
– Signal source: One and two lines 1 KHz.
– Nominal input and output levels.
– Audio output level:
– One line: < -64 dBm typical.
– Two lines: < -54 dBm typical.
Power supply
– AC 90 a 250 V. 50-60 Hz. 35VA.
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