The following AKG MicroMics models can be connected to any Shure bodypack transmitter with a Switchcraft TA4M input connector (shown below.) These are positive bias models.

C401
C401B
C402
C402/B
C406
C406/B
C407/B
C408
C408/B
C409
C409/B
C410/B, CK410 ***** See Special note Below!!!
C411
C411/B
C416
C416/B
C417
C417/B
C418
C418/B
C419
C419/B
C420
C420/B

TA4F
pin 1 shield
pin 2 15k Ω
pin 3 - cap lead
pin 4 connect to pin3

This job will take a hour.

Free end of 15kΩ resistor connects to the RED mic wire and +Cap lead
(draw a schematic BEFORE you attempt to build this circuit)
∑ The resistor and capacitor WILL NOT fit inside of the TA4F. You will need to install them in-line.
∑ The jumper is required between Pin 3 and Pin 4 to set the correct input impedance (20kohms).
∑ The mating connector for the Shure wireless transmitters is a Switchcraft TA4F. This connector is available from the Shure Service Department at 800-516-2525 as part number WA330.
∑ The connector, capacitor and resistor can be purchased from Mouser Electronics (no minimum order) at 1-800-346-6873. The connector part # is 502TA4F, the capacitor part #is 74-173D15V33 (or 539-TAC15V336K) and the resistor part # is 278–15K. The parts are also available from Newark Electronics (800-463-9275). Newark identifies these parts as follows:

capacitor: Stock # 65F2327, Type 336X9010B2
resistor: Stock # 91F4531, Type NCF25J153TR

Note: There are two negative bias AKG models (C407 and C410) which require a different wiring scheme.


TA4M
Transmitter View PIN 1 = cable shield / audio return / bias return
PIN 2 = +5V DC Bias
PIN 3 = audio input for dynamic mics or instruments
PIN 4 = 20K Ohms resistor to ground jumpered to pin 3 for condenser mics


If you have any questions, please contact Shure Applications Group at 847-866-2525 or E-Mail "productapps@shure.com"