Microtech Gefell KEM 975 User Manual

Cardioid plane microphone with non-rotational symmetrical directivity

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KEM 975
Cardioid-Plane-
Microphone
with non-rotatinal symmetrical directivity
Manual
User Manual
M.EN 201180.01
Date of issue: 31.08.2016

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Summary of Contents for Microtech Gefell KEM 975

  • Page 1 KEM 975 Cardioid-Plane- Microphone with non-rotatinal symmetrical directivity Manual User Manual M.EN 201180.01 Date of issue: 31.08.2016...
  • Page 2 Address Adress Microtech Gefell GmbH Georg-Neumann-Platz 07926 Gefell Germany +49 (0) 36649-882-0 Telephone +49 (0) 36649-882-11 Internet www.microtechgefell.de E-Mail info@microtechgefell.de M.EN 201180.01...
  • Page 3 Operating elements KEM 975 microphone holder microphone holder 4-pole 4-pole MH 975 MH 975 socket for connector for connector for socket for delta capsule delta capsule On/Off Delta capsule Delta capsule on/off switch for switch for LED-light LED indicator LED-light...
  • Page 4 Rackmount kit rack rack rack housing rack adaptor joining adaptor blank panel adapter connector front panel adapter “ear” connector “ear” M.EN 201180.01...
  • Page 5: Table Of Contents

    ....... . . 11 6.1.1 Setting up the KEM 975 ......11 6.1.2 Setting up the N 975 power supply .
  • Page 6 Guarantee Disposal of old equipment M.EN 201180.01...
  • Page 7: Technical Specifications

    1 Technical specifications Cardioid-Plane-Microphone KEM 975 Poar pattern horizontal super cardioid Polar pattern vertical club shaped Recording angle horizontal 120 Grad 120º vertical 30 Grad 30º Acoustic operating principle Pressure gradient transducer Frequency range 40 bis 18000 Hz 40 - 18,000 Hz...
  • Page 8: Delivery

    Prior to each use of the microphone make sure that all parts are in perfect condition. ommend to inspect the device for residual dust at appropriate intervals and to have the Microtech Gefell GmbH We also recommend that the microphone is inspected for residual dust at appropriate intervals and to have examine it, if necessary.
  • Page 9: Accessories

    We also recommend that the microphone is inspected for dust at appropriate intervals and to have to inspect the device for residual dust at appropriate intervals and to have the Microtech Gefell GmbH examine Microtech Gefell GmbH examine it, if necessary.
  • Page 10: About This Manual

    5.2 Normal Use 4 About this manual The KEM 975 is a line array microphone with the Please read this User Manual carefully before use main sound input direction perpendicular to the to minimise the risk of physical injury or damage to front of the microphone.
  • Page 11: Initial Steps

    6.1.1 Setting up the KEM 975 1. Loosen the adjustment screw on the MH975 Place the microphone and the power supply unit microphone holder. in such a way that they are protected from being trodden on or falling down. 2. Align the threaded connector of the MH975 as desired.
  • Page 12: Installing The N 975 Into A Half-19" Rack

    In case of an insufficient mounting depth of the rack, there is the risk that the connectors at the rear of the N 975 could be damaged or bent. For this reason pay close attention to the mounting depth and allow sufficient space for the 6.2.2 Installing the N 975 into a 19”...
  • Page 13: Connecting The Equipment

    The light on the power switch lights up when the with the rack). power supply unit is powered up. The N 975 power supply unit and the KEM 975 can warm up to approx. 35º C, this corresponds 6.3 Connecting the equipment to the normal operating temperature.
  • Page 14: Disassembling And Storing The Microphone

    Care taken in setting up will give the best results. Package the KEM 975, N 975 and accessories in the transport case they were supplied in – this protects them from shock and damage. Store the 6.5 Disassembling and storing the microphone...
  • Page 15: Setting The Level Ranges

    (see diagram). amplification can be adjusted in steps of 12dB between -36dB and +12dB. 1. Set the KEM 975 up and do a test recording. The sound pressure level at the microphone should correspond to the 2. Remove the module and the white plastic operating level of the event.
  • Page 16: Use Of The Accessories

    800Hz to compensate for connector end of the KEM 975. this. With the DM 21 Delta capsule the KEM 975 maintains its vertical directivity at approx. 9dB with 4. First, insert the guide pin half-way into the low frequencies to below 100Hz.
  • Page 17: Removing The Dm 21 Delta Capsule

    The KEM 975 is delivered with a stand mount that correct ones are used and that the fixing has a ⅝” US thread, together with an integral thread will be firm and cannot be pulled out.
  • Page 18: Removing The Kh 975.1 Or Kh 975.03 Anti-Vibration Mount

    1. Unplug the KEM 975 and remove it from local regulations for the prevention of the MH 975 microphone holder. accidents.
  • Page 19: Installing The Ma 975 Auditorium Hanger

    You can now attach the KEM 975 with attached MA 975 to the catenary. • If used outside and the wind speed rises to over 8 Bft (65-70 km/h or 40-45 mph), 8.4.2 Removing the MA 975 auditorium hanger there is the risk of injury by falling debris.
  • Page 20: Maintenance

    For long term reliable use, Microtech Gefell GmbH recommends that the microphone be returned for checking and cleaning after an appropriate period of time.
  • Page 21 11 Disposal of old equipment Protect the environment: To avoid risk to health or the environment, this product should not be disposed of with normal household waste. At the end of its life cycle it should be bought to a recycling point for the recycling of electrical and electronic devices.
  • Page 22 Microtech Gefell GmbH Georg-Neumann-Platz 07926 Gefell Germany · · · Phone +49 (0)36649 882-0 Fax +49 (0)36649 882-11 www.microtechgefell.de info@microtechgefell.de · · · M.DE 201180.01 (31.08.2016) c Microtech Gefell GmbH...

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