AEQ - TH-02 MK3

AUDIO INPUTS:

• Program inputs: Transformer balanced.
• Input impedance: > 6 kOhms
•  Nominal input level: 0 dBm.
• Four Wire inputs: Transformer balanced.
• Input impedance: > 1KOhm.
• Nominal input level: 0 dBm.

AUDIO OUTPUTS:

• Program outputs: Transformer balanced.
• Nominal output level: 0dBm.
• Four Wire outputs: Transformer balanced.
• Nominal output level: 0 dBm.

TELEPHONE LINE INTERFACE:

• Input/Output: Transformer balanced.
• Impedance: 600 Ohm. Nominal input level: -10 dBm.
• Nominal output level: -6.5 dBm.
• * In multiconference mode, the output level of the telephone line provinient from the other line (nominal output level) is -7.5 dBm.

TWO WIRE MODE

BANDWIDTH (not active extensor)

• Telephone line: 300-4.000 Hz +/- 1 dB
• Program output: 300-4.000 Hz +/- 1 dB

BANDWIDTH (active extensor)

• Telephone line: 50 – 3.750 Hz +/- 1 dB
• Program output: 50 – 3.750 Hz +/- 1 dB

Distortion + THDN: 1 KHz with nominal input and output levels.

• Telephone line: < 0.20%.
• Program output: < 0.15%.

Absolute noise: TX = >-66 dBm. RX = – 68 dBm.

Frequency extensor: TX = 250 Hz. RX = – 250 Hz.

Cross-talk in any case: Lower than absolute noise.

SUPRESSION ELECTRICAL ECHO:

• One and Two lines connected: Impedance: 600 Ohm.
• Signal source: One and Two lines: 1 Khz.
• Nominal input and output levels.
• Program output.
• Level One line: < -64 dBm tipical.
• Level Two lines: < -58 dBm tipical.

FOUR WIRE MODE:

BANDWIDTH ( not active expansor).

• Telephone line: 300-4.000 Hz +/- 1 dB.
• Program output: 300-4.000 Hz +/- 1 dB.

BANDWIDTH (active expansor).

• Telephone line: 50 – 3.750 Hz +/- 1 dB.
• Program output: 50 – 3.750 Hz +/- 1 dB.

Distortion + THDN: 1 KHz with nominal input and output levels.

• Four Wire output: < 0.10%.
• Program output: < 0.10%.

Absolute noise: TX = < – 66 dBm. RX = < – 68 dBm.

Frequeny extensor: TX = 250 Hz. RX = -250 Hz.

Cross-talk in any case: Lower than absolute noise.

AC POWER SUPPLY:

• 110/220 V. 50 – 60 Hz. 37 VA.