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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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==============================================================================
K E N W O O D
>>> A M A T E U R R A D I O S E R V I C E B U L L E T I N <<<
==============================================================================
Kenwood Service Centers
Kenwood Service Corporation Kenwood Service Center, East
2201 East Dominguez Street 829 Lynnhaven Parkway, Suite 130
Long Beach, California 90801 Virginia Beach, Virginia 23452
Telephone 1-310-639-5300 Telephone 1-804-340-1702
==============================================================================
BULLETIN # 14
MODEL: TS-820
SUBJECT: MICROPHONE INPUT ATTENUATION
When using a high output microphone (i.e. Shure 444), it is
very likely that there will be distortion of the transmitted
audio if the processor is used. The reason the distortion occurs
is because the processor is between the first microphone amplifier
and the microphone gain control. The installation of one of the
attenuators shown below will reduce the microphone input to a
level that will not cause RF speech processor distortion. The
attenuator figures are approximate.
10DB 16DB
A ------47K------ B A ------100 K------ B
| | | |
| | | |
100K 100K 56K 56K
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----------- ------------
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GND GND