User's Manual

HMa

LECTROSONICS, INC.

Accessories

21750 Barrel Adapter

Mic adapter for Earthworks M30 micro-

phone 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 your microphone does not

power on correctly when used with these

transmitters, insert the adapter between

the transmitter and microphone.

MCA-M30 Barrel Adapter

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 micro-

phone to alleviate the problems listed above.

Barrel Adapter Earthworks M30

PHTRAN3

Replacement leather pouch with clear plastic screen

cover, rotating belt clip and snap closure. Included with

transmitter at purchase.

MCA5X

Optional adapter for connecting a lavaliere microphone

to the HMa or HM transmitters. TA5M to XLR3-M

connectors. Passes transmitter phantom power to

bias the electret lavaliere microphone. Includes zener

protection to limit bias voltage to protect the microphone

if transmitter phantom power is set too high.

MCA-TPOWER

This cable adapter is to be used with the UH200D,

UH400, HM and HMa plug-on transmitters with

T-powered microphones. It will protect a T-power

mic against the 48V phantom power setting in the

transmitter while allowing normal operation. The

transmitter should be set to the 15V position for best

operation and minimum battery drain.