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AEQ TH-03EX

$1,725,500
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The TH-03 Advanced Digital Hybrid is manufactured in versions for one or 2 phone lines, and with AES / EBU analog or digital audio inputs and outputs.
It incorporates audio send and receive level meters for each hybrid. The feed-back is removed by the digital hybrid. It does not require previous adjustment for its correct operation.

Two-line models include a mix-minus bus for multiplex communication while on the air or on standby in the studio: pressing the MPX button automatically establishes a conference between the two phone lines, so only a single power supply Audio to and from the hybrid to the mixer is needed. The TH-03 is responsible for simultaneously receiving incoming calls to the console, and provides audio from the console to each individual phone line, both with the audio from the console and the audio from other callers.

The TH-03 also has AEQ's exclusive built-in frequency extender. When activated, it moves all frequencies 250 Hz up on the send line and 250 Hz down on the receive line. These additional 2 ½ octaves result in enhanced bass frequencies. To use the frequency extender functionality, another AEQ hybrid must be used on the other end.

Each telephone line incorporates a SET port that is disabled when the hybrid is on the air. Each of the TH-03's telephone lines, off-hook, frequency extender and on-the-air functions, can be controlled locally through the front panel or remotely using a console or remote control panel.

The AEQ TH-03 is capable of operating with single or double lines. Line level of independent outputs or multiplexed output provided by its unique multiplexing capabilities. Working with dual lines enables conference calling, allowing the On Air personality and the two callers to speak and listen to each other simultaneously.

Feedback is removed by the digital hybrid. No adjustments are required to operate.



AUDIO INPUTS:


    Analog: electronically balanced


    Input impedance:> 6K


    Nominal input level: 0 dBv


    Digital: AES / EBU Balanced Transformer


    Internal audio gain adjustment


 
AUDIO OUTPUTS:


    Analog: electronically balanced


    Nominal output level: 0 dBv


    Digital: AES / EBU Balanced Transformer


    Internal audio gain adjustment



TELEPHONE INTERFACE:

 Input / Output: transformer coupled


    Impedance: 600


    Nominal input level: -10 dBm


    Nominal output level: -6.5 dBm


    * In conference mode, telephone line output


    level (nominal line input level): -7.5 dBm


 
DIMENSIONS:

    1 standard rack unit 19


    Width: 482 mm. (19 "")


    Height: 44.5 mm. (1.75 "")


    Depth: 230 mm. (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 activated)


    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 SUPPRESSION OF ECO:


    Line impedance: one and two lines: 600


    Signal source: one and two 1 KHz lines


    Nominal input and output levels


    Audio output level:


    One line: <-64 dBm typical


    Two lines: <-54 dBm typical


 


POWER SUPPLY:

    90 - 250 VAC, 50-60 Hz, 35 VA

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