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3 November 2024
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SONIFEX HY-03 TELEPHONE BALANCE UNIT Analogue, single, desktop

Artikelnummer
28-311
Hersteller
Sonifex
Typennummer
  • HY-03
SONIFEX HY-03 TELEPHONE BALANCE UNIT Analogue, single, desktop
SONIFEX HY-03 TELEPHONE BALANCE UNIT Analogue, single, desktopSONIFEX HY-03 TELEPHONE BALANCE UNIT Analogue, single, desktop

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-04 series is the ‘redesign of DHY-03’ telephone hybrid units with the addition of Ethernet connectivity. Ethernet connectivity enables the engineer to configure and control the unit via a remote web browser. The addition of AES/EBU digital inputs, along with analogue audio inputs give for better quality and performance, whilst the addition of speed dial buttons, located on the front panel, aids ergonomic usage.

Other features of the DHY-04 include dial tone recognition (DTMF), which allows a remote caller to dial in using a pre-programmed password and automatically connect to on-air status. Like the DHY-03, DHY-04 offers full adaptive echo cancellation to 127msec default is set to 24msec, however DSP increases the unwanted sideband rejection to 70dB (measured using tone, ref. 0dBu peak output) as opposed to 72dB of the DHY-03.

Dimensions (WxDxH): 218 x 45 x 175mm, DHY-04; 483 x 45 x 175mm, DHY-04S or T

Versions available:

DHY-04 Single unit, freestanding
DHY-04S Single unit, rackmounting
DHY-04T Twin unit, rackmounting

DHY-04V VoLTE hybrid

'Ideal for' studios in remote locations, OB vans and trucks on the move, and in emergency situations where a telephone landline can’t be guaranteed, DHY-04 series has all features of the DHY-04 together with some additional front panel indicators including two LEDs, one for SIM enabled and one for GSM Network availability; and a push button which allows the mobile signal level to be displayed on the meter LEDs.

The VoLTE hybrid can be used on a cellular phone network, and provide HD Voice quality calling over 4G. As legacy 3G and 2G mobile services in many countries are now being switched off Sonifex have designed DHY-04V to accept a SIM card in the rear panel slot, along with the connection of suitable GSM antenna to receive and make broadcast calls over the cellular network. This is achieve by converting the 4G call to the 4 wire audio signal to and from a connected mixing console. The module used in DHY-04V can take and make calls on any 4G GSM network, and can fall back to 3G and 2G if required.

Optional panel conversion kits allow the user to alter the form from desktop to rackmounting or vice-versa. These include DHY-04VCM, DHY-04VSCON, and DHY-04VTCON. DHY-04VUP allows the user to retrofit and upgrade an existing DHY-04G or DHY-04HD unit - therefore future-proofing the equipment and ensuring the older hybrids work on 2G, 3G, and 4G VoLTE cellular networks.

Dimensions (WxDxH): 218 x 45 x 175mm, DHY-04V; 483 x 45 x 175mm, DHY-04VS or T.

Versions available:

DHY-04V Single unit, freestanding
DHY-04VS Single unit, rackmounting
DHY-04VT Twin unit, rackmounting

DHY-04G DSP based GSM hybrid

DHY-04G series has the same functionality as the DHY-04, however in place of landline telephone connection it uses a GSM card to connect callers on 2G/GSM cellular network, enabling compatibility to a 4-wire input and output of the studio. This feature can be implemented by inserting a valid SIM card into a slot on the rear facing panel of the DHY-04G. The GSM feature makes the unit particularly useful in OB vans or where suitable landline connection can’t be accessed.

Dimensions (WxDxH): 218 x 45 x 175mm, DHY-04G; 483 x 45 x 175mm, DHY-04GS or GT

Versions available:

DHY-04G Single unit, freestanding
DHY-04GS Single unit, rackmounting
DHY-04GT Twin unit, rackmounting

DHY-04HD DSP based HD voice and GSM hybrid

DHY-04HD works in a similar way to the DHY-04G but instead uses a 3G SIM card to connect callers on 3G cellular network, and via HD Voice wideband audio – resulting in a cleaner, higher quality audio input.

Dimensions (WxDxH): 218 x 45 x 175mm, DHY-04HD; 483 x 45 x 175mm, DHY-04HDS or HDT

Versions available:

DHY-04HD Single unit, freestanding
DHY-04HDS Single unit, rackmounting
DHY-04HDT Twin unit, rackmounting

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)