XD-V70 Beltpack Transmitter

4•3

Inserting And Removing The Microphone

Plug the TA4 connector into the input jack on the beltpack transmitter.  To remove the 

mic, push in the locking button and carefully pull the plug out while holding it by the 

body.  Avoid pulling the cable.

LM4-T Microphone Specs

Element:   

Back Electret Condenser

Polar pattern: 

Uni-directional

Frequency response: 50Hz – 16kHz

Sensitivity:  

-46dB, +/- 3dB (0dB=1v/pa @ 1kHz)

Output Impedance: 680 ohms (+/- 30%)

Bias voltage needed: 

1.5 – 10V

20

10

0

-10

-20

50

100

200

180

150

120

210

240

 90

270

 60

300

 30

 0

330

500

1k

2k

5k

10k

20k

Pinout To TA4F Connector

•  1= gnd
•  2=V+
•  3=Signal
•  4=Z (tie to signal for mics & to gnd or open for inst)