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TELEPHONE
HYBRID-2
USER
MANUAL

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Summary of Contents for D&R TELEPHONE HYBRID-2

  • Page 1 TELEPHONE HYBRID-2 USER MANUAL...
  • Page 2 Dear Customer, Thank you for choosing the Telephone Hybrid-2. This time you are not faced with a huge manual because it is simply not necessary because of the natural recognition of all functions on the user interface. All functions are self-explanatory and you will certainly appreciate the ergonomics of this design.
  • Page 3: What Is A Telephone Hybrid

    D&R’s newest Telephone Hybrid-2 is the active version of the well known passive one, successfully sold over the last 5 years. Its concept originates from many demands for a more sophisticated hybrid with more features. The Telephone Hybrid-2 is an analogue unit with digital control and features like ducking making intelligibility a lot better in broadcast..
  • Page 4: Back Panel Layout

    Back panel lay-out Power mains power switch. The unit is powered by a removable IEC type power cord. An internal switch Power Cord is provided for 115/230V selection. LINE: RJ-12 connector to connect with the public telephone network. PHONE: RJ-12 connector to connect with a handset. C-BALANCE: 8 pole mini-dip switch to select the optimum side tone attenuation.
  • Page 5: Setting Up Procedure

    If you are at the originating side pres the CONNECT button to connect the Telephone Hybrid-2 to the phone line after the call has been established. The phone will be disconnected now. The caller will now hear the signal send to the Hybrid and the output of the Hybrid will present the callers signal only with the send signal heavily attenuated.
  • Page 6 DUCKING The Hybrid has an automatic gain adjustment of the incoming signal from the caller when the presenter speaks. This feature both improves the side tone reduction and gives the presenter a level advantage over the caller when he interrupts the caller. When both parties are speaking the caller’s signal is reduced then. INPUTS / OUTPUTS SEND XLR FEMALE...
  • Page 7: Specifications

    FUNCTION CONNECTION Pull down 47 ohm to ground Ring Pull up +5 volt via 10kohm Sleeve Not connected PHONE PHONE RJ12 FUNCTION CONNECTION Pin 1 n.c. Pin 2 A (telephone line) In/out Pin 3 B (telephone line) In/out Pin 4 n.c.
  • Page 8: Installation

    RECEIVE Impedance < 50 Ohm, electronically balanced Common mode rejection >40dB Maximum output level +26dBu Nominal output level +4 dBu Bandwidth to telephone line 250Hz – 4kHz, -3dB ref 1 kHz Telephone line impedance Nominally 600 ohm Telephone line impedance range 300 ohm to 1500 ohm Connectors XLR type 3 pin male...
  • Page 9: Declaration Of Conformity

    D&R Electronica Weesp b.v. Manufacturers Address: Rijnkade 15B, 1382 GS Weesp, The Netherlands declares that the product TELEPHONE HYBRID-2 Which refers to this declaration, is in accordance with the following standards or standardized documents: EN 50081-1 EN 55013 A 12 EN 50082-1...
  • Page 10: Product Safety

    PRODUCT SAFETY This product is manufactured with the highest standards and is double checked in our quality control department for reliability in the "HIGH VOLTAGE" section. CAUTION Never remove any panels, or open this equipment. No user serviceable parts inside. Equipment power supply must be grounded at all times.
  • Page 11 Current will flow when there is a difference in ground potential between equipment on stage and in the P.A. system. Please do check if there is any potential between the housing of the mikes and the guitar synth amps, which will be linked by your body on stage. Imagine, a guitar in your hand and your lips close to the mike! A ground potential difference of above 10 volts is not unusual, in improperly wired buildings it can possibly be as high as 240 volts.
  • Page 12 TELEPHONE HYBRID-2 SERVICE MANUAL Manual page 12...
  • Page 15 Datum : 14-08-03 [16:25] PROD.STUKL.PRINTEN GES. OP OMS Blad D&R Electronica Weesp B.V. Bedrijf : 100 ---------------------------------------------------------------------------------------------- Positie¦ Artikel¦ Omschrijving ¦ Leveranciercode ¦ Netto ¦Vrd¦ Verval- ¦ code¦ ¦ ¦ hoeveelheid ¦eh.¦ datum -------+--------+------------------------------+-------------------+-------------+---+-------- Maakartikel: 60898510 Telephone Hybride II 19" Stuklijsteenheid: 1 st ¦10700659¦Afstandshdr mt zeskant+tap15mm¦...
  • Page 16 Datum : 14-08-03 [16:41] PROD.STUKL.PRINTEN GES. OP OMS Blad D&R Electronica Weesp B.V. Bedrijf : 100 ---------------------------------------------------------------------------------------------- Positie¦ Artikel¦ Omschrijving ¦ Leveranciercode ¦ Netto ¦Vrd¦ Verval- ¦ code¦ ¦ ¦ hoeveelheid ¦eh.¦ datum -------+--------+------------------------------+-------------------+-------------+---+-------- Maakartikel: 20851510 PCB ins Telephone Hybrid II Stuklijsteenheid: 1 st ¦10401246¦Capacitor...
  • Page 17 Datum : 14-08-03 [16:41] PROD.STUKL.PRINTEN GES. OP OMS Blad D&R Electronica Weesp B.V. Bedrijf : 100 ---------------------------------------------------------------------------------------------- Positie¦ Artikel¦ Omschrijving ¦ Leveranciercode ¦ Netto ¦Vrd¦ Verval- ¦ code¦ ¦ ¦ hoeveelheid ¦eh.¦ datum -------+--------+------------------------------+-------------------+-------------+---+-------- Maakartikel: 20851510 PCB ins Telephone Hybrid II Stuklijsteenheid: 1 st ¦10350765¦Resistor...

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