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22 Februar 2025
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SONIFEX HY-03T TELEPHONE BALANCE UNIT Analogue, twin, rackmount

Artikelnummer
28-313
Hersteller
Sonifex
Typennummer
  • HY-03T
SONIFEX HY-03T TELEPHONE BALANCE UNIT Analogue, twin, rackmount
SONIFEX HY-03T TELEPHONE BALANCE UNIT Analogue, twin, rackmountSONIFEX HY-03T TELEPHONE BALANCE UNIT Analogue, twin, rackmount

SONIFEX TELEPHONE BALANCE UNITS

These telephone balance units automatically compensate for variable line resistance and reactance whilst the line is connected. All units in the range are fully approved by BABT with “green dot” approval S/3619/23/L/501792 and are compliant with European PTT specifications.

HY-03 Analogue telephone hybrid

Sonifex HY-03 telephone hybrid is the replacement for the HY-02, which for many years has set the standard as an excellent value, high quality telephone hybrid. As well as other extra features the HY-03 also includes a ringing detector as standard. When using the HY-03 the telephone line is isolated from the equipment by a disconnection barrier and an approved line transformer, and may be switched between a local handset and the equipment by means of an illuminated “LINE CONNECT” switch which also serves as an “ON” and “RING” indicator. When switched to “LINE CONNECT” the equipment holds the telephone call. This switch function can be operated remotely.

HY-03 may be used with 0dBu clean feed input signals, or alternatively, direct connection of a microphone input, which is adjustable between 74db to 40dB on a rear preset adjustment, may be used. The balanced clean feed input has a bandpass filter, and is limited to give peak levels of +4dBu at the telephone line. The output circuitry processes the telephone signal to give 0dBu output from the equipment, and then balances or rejects the clean feed signal automatically under varying line conditions. The rejection is constantly reviewed during the presence of clean feed signals to optimise the equipment for prevailing line conditions. The telephone signal is processed through a bandpass filter and noise gate which downward expands during no signal conditions to eliminate line cross talk and associated noise.

The output is a 3-pin male XLR connector with a nominal level of 0dBu balanced low impedance. The level is adjustable between +8db to -14dB on a rear preset adjustment. The output can also be set as a mix of the caller and mic/line input signals to allow a recording of both sides of a telephone conversation.

The included ringing detector allows the HY-03 to auto answer incoming calls. It can be pre-set to answer incoming calls on either the first ringing cadence through to the sixth ringing cadence. The “LINE CONNECT” switch is illuminated each time a ringing cadence is present, and an opto-coupler presents an active open collector output suitable for driving a white light indicator on the remote connection. The unit is fitted with K-break disconnection (UK use) as standard but an optional HY-03DTD board is available to equip the HY-03 for disconnection upon detecting dial-tone.

Dimensions (WxDxH): 218 x 44.45 x 175mm, HY-03; 483 x 44.45 x 175mm, HY-03S or T

Versions available:

HY-03 Free-standing balance unit
HY-03S Rack-mount single balance unit
HY-03T Rack-mount twin balance unit
Optional accessories: HY-03DTD, HY-03SCON, HY-03TCON, HY-03CON.

Ordering note: Standard models do not operate with the Broadcast Bionics PhoneBox system, a special version is required. Please contact Technical Support for details.

DHY-04 DSP based telephone hybrid

DHY-04V VoLTE hybrid

DHY-04G DSP based GSM hybridabgekündigt

DHY-04HD DSP based HD voice and GSM hybridabgekündigt

Specifications:
HY-03 DHY-04 DHY-04V DHY-04G DHY-04HD
Input impedance, Line mode (1) 10kohm 10kohm 10kohm 10kohm 10kohm
Input impedance, Mic mode 200ohms 2kohms 2kohms 2kohms 2kohms
Clean feed limiting input +4dBu -4dBu -4dBu -4dBu -4dBu
Bandwidth to telephone line (2) 250Hz - 4kHz 250Hz - 4kHz - - -
Output impedance, analogue 50ohms 50ohms 50ohms 50ohms 50ohms
Output impedance, digital - 110ohms 110ohms 110ohms 110ohms
Output level range +8dB to -14dB +6dB, 0dB, -6dB +6dB, 0dB, -6dB +6dB, 0dB, -6dB +6dB, 0dB, -6dB
Rejection ratio 45dB 80-88dB - 80-88dB -
Connections;
Mic/line/AES-EBU in (3) 3-pin female XLR 3-pin female XLR 3-pin female XLR 3-pin female XLR 3-pin female XLR
Line/AES-EBU out (3) 3-pin male XLR 3-pin male XLR 3-pin male XLR 3-pin male XLR 3-pin male XLR
Ethernet - RJ45 RJ45 RJ45 RJ45
GSM Antenna - - SMA SMA SMA
Telephone line RJ11 6/4 RJ11 6/4 - - -
Telephone handset/instrument RJ11 6/4 RJ11 6/4 - - -
Conference or record audio - RJ45 RJ45 RJ45 RJ45
Remote 9-way D-type 9-way D-type 9-way D-type 9-way D-type 9-way D-type
RS232 - 9-way D-type 9-way D-type 9-way D-type 9-way D-type

Notes: (1) clean feed at 0dB, balanced; (2) -3dB ref 1kHz; (3)