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JK Audio Universal Host User Manual

Desktop digital hybrid
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Universal Host
Desktop Digital Hybrid
User Guide
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Summary of Contents for JK Audio Universal Host

  • Page 1 Universal Host Desktop Digital Hybrid User Guide JK Audio...
  • Page 2 Introduction Universal Host will allow you to send and receive audio through your multi-line PBX, ISDN, VoIP or analog telephone. While this may seem like a simple task that any telephone can do, the challenge is getting the best quality audio from such a limited audio path.
  • Page 3 Online Button - Press this button to disable the handset and activate the Universal Host for use as a digital hybrid. Send 1 Level - Adjusts the signal level that you are sending down the telephone line, through the female XLR input.
  • Page 4 Features (continued) 17 18 19 20 21 12. Handset Jack - Connect your telephone handset to this jack. 13. Phone Jack - Connect this jack to the handset jack on your telephone using the supplied handset jumper cable. 14. Handset Type Selector Switch - Use this switch to select the correct type of handset microphone that your telephone uses.
  • Page 5 Universal Host marked "Handset". • Send Audio - Connect a dynamic microphone cable to the Send 1 jack on the Universal Host. Be sure to set the Mic/Line switch to the “Mic” position. • Connect the USB port to your computer or other device to either bring additional local audio into the hybrid or deliver live audio out for recording or streaming.
  • Page 6 Connection (continued) To connect Universal Host through a mixer—Mix Minus Setup Connect Aux (or FX) Send on Connect Caller to any mixer to Send 1 on Universal line level input on mixer Host, Mic/Line button out (Line) Number of microphones...

  • Page 7: Operation

    Pan controls with the Left and Right outputs. Simply pan the Caller to the Right output. Then connect only the Left output to the Universal Host Send 1. Or, you may use an external Mix-Minus box that will create this signal for you.
  • Page 8 Broadcast button. Optional Jumper Settings There is a jumper located inside the Universal Host at J9 that affects handset operation. The factory default closed position (jumper covering both pins) disables only the handset microphone when the Broadcast button is pressed.
  • Page 9 A=Electret, B=Carbon, C=Dynamic. Trial and error seems to work best in determining which handset type to use. Your Universal Host will only function correctly if the handset type selector switch is in the correct position. This switch changes signal level, impedance, and wiring to accommodate the differences in handset microphone types.
  • Page 10 Why can't I dial out on my phone and I hear a lot of noise on the call? The Universal Host will not work with any telephone that has a keypad in the handset. You need to use a telephone with a standard handset.
  • Page 11 Why is there a Send 2 mini-jack on the back of my Universal Host? This is a second line level input to Universal Host. Here you can connect another device, such as a CD player or the output of your personal audio player to add audio to the conversation.

  • Page 12: Specifications

    Specifications Inputs: Send 1: Balanced Female XLR, 1k ohms, 15 mV RMS (-34 dBu nom) Mic/Line pad switch = +6 dBu max Send 2: 3.5mm mono, 20k ohm, 250 mV RMS (-10 dBu nom) Outputs: Balanced: Male XLR, 200 ohms, 500 mV RMS -4 dBu nom, +14 dBu max, Caller only Unbalanced: 3.5mm stereo, 50 ohm, 250 mV RMS...

  • Page 13: Block Diagram

    Block Diagram...

  • Page 14: Fcc Part 15 Compliance

    Changes or modifications not expressly approved by JK Audio can void the user's authority to operate the equipment. FCC Registration Your new JK Audio product has been registered with the Federal Communications Commission (FCC). This product complies with the standards in Part 68 of the FCC rules.
  • Page 15 FCC. Your telephone company may make changes in its facilities, equipment, operations or procedures that could affect the proper functioning of your JK Audio product. If such changes are planned, you'll be notified by your telephone company.

  • Page 16: Warranty

    Universal Host is covered by a 2-year warranty to be free from defective workmanship and materials. In the event that the Universal Host needs repair, you must call us to get an authorization, and then carefully pack and ship it to us. You will pay for shipping to us and we will pay for return back to you, UPS ground.

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