Copper Talk » Ask The Tech » Microphone Wiring » K40 SP MIC to Albrecht AE 485 s « Previous Next »

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Ibacbfreq
New member
Username: Ibacbfreq

Post Number: 1
Registered: 3-2005
Posted on Thursday, March 31, 2005 - 1:12 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Has anyone had a chance to play with the Albrecht AE 485 s? The pic. on the box has single pot for squelch but also has a sticker that says "25 W variable". The radio has DBL pot at the SQU. I have the manual but my german is quite poor[some would say the same 'bout my englas]. The MIC pinout is not the same as the MAG 257 and with the hot pin I do not want to fish. I want to put the K40 SP MIC. on this radio but I can not remeber all of the details for K40 install. Thank you in advance for any advice/info
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Ibacbfreq
Junior Member
Username: Ibacbfreq

Post Number: 13
Registered: 3-2005
Posted on Monday, April 04, 2005 - 5:47 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Some more info to help you help me:

Everyone tells me that the mic. should be the same as the MAG.257 but I do not think so. The Albrect will RX with no mic. witch is how I got it. and the box shows A mic. with A tone/call button. I think it uses A diode and resistor to tie the RX NC and then one pin would control TX-RX. freeing up A pin for the tone call button.
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Ibacbfreq
Junior Member
Username: Ibacbfreq

Post Number: 25
Registered: 3-2005
Posted on Wednesday, April 06, 2005 - 9:38 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Here is what I got so far:

pin 1:audio
pin 2:TX
pin 3:B+
pin 4:tune down 10KHZ if grounded[? tune up if +}
pin 5:sheild
Pin 6:? [? tone-call if grounded?]

Pins start at 1 from right of the indexing bump in the bottom of the mic. con. and go xclockwise to pin 5 around the outside, pin six in the center.

Thank you in advance for any coments-advice, I-b-a-cb-freq

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