Special Purpose Barrel Adapters - Lectrosonics HMa Quick Start Manual

Special Purpose Barrel Adapters

Mic adapter for Earthworks M30 microphone with HM, HMa and UH400a/TM
transmitters.
This polarity reversing adapter may be needed to correct for asymmetrical
current draw in some P48 powered condenser microphones, including older
Neumann 100 Series, Rode NTG3 and others. If you microphone does not
power on correctly when used with these transmitters, insert the adapter
between the transmitter and microphone.
P/N 21750
Polarity Reversing
Barrel Adapter
MCA-M30
This adapter may be needed if you are experiencing noise or distortion with
measurement microphones, particularly the Earthworks M30. The adapter has
a common mode choke for suppressing RF noise. If your microphone signal
exhibits the problems listed above when connected to a UH400, HM or HMa
transmitter, insert the adapter between the microphone and the transmitter.
Insert the adapter between the transmitter and microphone to alleviate the
problems listed above.
10
Earthworks M30
Barrel Adapter
LECTROSONICS, INC.