Emtech Electronics EJ-10 Manual

Adapter box

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MODEL EJ-10
Multi-Input Adapter Box
Solve Your Sound
Connection Problems The Easy Way...

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Summary of Contents for Emtech Electronics EJ-10

  • Page 1 MODEL EJ-10 Multi-Input Adapter Box Solve Your Sound Connection Problems The Easy Way…...
  • Page 2 Table of Contents Controls and Functions Basic Information Read this section for basic information on what the EJ-10 is: what it includes, how it works, and what you need to use it. Using the EJ-10 with Audio Equipment Read this section for step-by-step instructions for using the EJ-10 in some common situations.
  • Page 3: Controls And Functions

    Controls & Functions To (From) Telephone Line – allows any telephone line input. To Telephone Set – allows parallel telephone set connection with EJ-10 – to establish call.
  • Page 4 1 volt RMS input – buffered inputs allow up to six different inputs at the same time. Cords Clip – patch cords are clipped to the EJ-10’s box so they won’t get lost. Clip can be removed to add or subtract patch cords.
  • Page 5: Basic Information

    EJ-10 uses the power from the signal itself; this means it doesn’t need batteries or a power cord. The cords attached to the back of the EJ-10 are some of the most useful kinds of cables for connecting your equipment to the EJ-10. These cables are clipped to the EJ- 10’s box so they won’t get lost.
  • Page 6 • Musical Instruments (such as electric guitars and electronic keyboards)* • Or other equipment with the AUX-type output NOTE: More than one audio device can be connected to the EJ-10 at the same time. In this case, the EJ-10’s volume control serves as master volume control for all audio devices.
  • Page 7 Some audio devices have AUX or MIC inputs, be sure to use output connectors. 6. Select the cord from the set on the back of the EJ-10 that mates with the output connector(s) you just located on the audio device. Plug the patch cord(s) into the audio device.
  • Page 8 • Or other equipment with a SPEAKER OUT-type output NOTE: More than one audio device can be connected to the EJ-10 at the same time. In this case, the EJ-10’s volume control serves as master volume control for all audio devices.
  • Page 9 20 watt resistive load to the audio device). 8. Plug the XLR microphone connector (the connector on the thick black cord that comes out of the right side of the EJ-10) into the microphone input jack of the sound system.
  • Page 10 Playing audio from a portable cassette player into your sound system. Playing audio from a CD player into your sound system. Playing audio from a VCR into your sound system.
  • Page 11 Playing audio from miniature voice recorder into your sound system. Playing audio from a reel to reel tape recorder into your sound system. Playing an RF signal into your sound system.
  • Page 12 Playing audio from a camcoder into your sound system. Playing an electronic keyboard into your sound system. Playing a guitar into your sound system.
  • Page 13: Troubleshooting

    Try turning up the EJ-10’s volume control. If there is still no sound, disconnect the EJ-10 from the sound system’s microphone input jack. Plug a microphone into the sound system and go through the following steps to...
  • Page 14 6. Turn up the volume on the EJ-10. If there is still no sound, verify the connections between the audio device and the EJ-10 if you have not already done so. The cord itself may have been damaged. Try a different cord if one is available.
  • Page 15 In addition to allowing connection of many different kinds of audio devices to a sound system, the EJ-10 also has the ability to receive and send voice or music over telephone lines. The EJ-10 is accepted and approved for use with standard telephone lines.
  • Page 16 Plug the telephone’s cord into the TO TELEPHONE SET connector on the EJ-10. 3. Select the correct patch cord and attach the output of the audio device to the EJ-10 through the Telephone Audio Input jack on the left side of the EJ-10. Note: use of the Telephone Audio Input jack is preferred in this application;...
  • Page 17 1. At the primary location, connect the audio device to the EJ-10 as described above (Play an Audio Device into the Telephone Line). 2. Call the remote location 3. At the remote location, follow the procedure for playing an incoming signal over your sound system as described above (Listen to a Telephone Conversation over Your Sound System).
  • Page 18 Play an audio device into the telephone line. Play an audio device into the telephone line to be heard on a sound system in another location (requires two EJ-10’s).
  • Page 19 Allow the proceedings at one location to be heard at another location over the telephone line (requires two EJ-10’s).
  • Page 20: Technical Information

    Technical Information Model EJ-10 Multi-Input Adapter Box Specifications Inputs: Unbalanced Line Stereo phone, phone, mini phone, & “RCA” phono Speaker Level 1/4-inch phone plug Telephone Line Modular jack (FCC Regulation No. E8P5IE-71393-VP-N; Ringer Equivalence: 0.38) Outputs: Transformer balanced low-impedance (100 ohms) adjustable mic level output on 3-foot cable with make XLR type plug.
  • Page 21 Architects’ and Engineers’ Specifications The general purpose adapter box shall accept mono or stereo line and speaker level inputs and allow seized connection to the local telephone system and convert them to transformer balanced mic level output. The unit must have an adjustable output control, a hum removal switch, and a telephone line seize switch.
  • Page 22: Limited Warranty

    Limited Warranty The Model EJ-10 is guaranteed for two years from date of original purchase against malfunction due to defects in workmanship and materials. If such malfunction occurs, unit will be repaired or replaced (at manufacturer’s option) without charge for materials or labor if delivered prepaid to the factory.

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