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Wiring a Delta M3 microphone to a Cobra 29 LTD Classic CB radio requires connecting the wires from the microphone to the corresponding pins on the radio's microphone jack. Here are the steps:
Locate the microphone jack on the front of the Cobra 29 LTD Classic CB radio.
Examine the Delta M3 microphone's wiring. It should have four wires: a black wire, a red wire, a white wire, and a shield wire.
Determine the pin configuration of the microphone jack on the Cobra 29 LTD Classic CB radio. The pin configuration is usually printed next to the microphone jack or in the owner's manual.
Connect the Delta M3's black wire to the pin on the microphone jack that corresponds to the radio's ground connection.
Connect the Delta M3's red wire to the pin on the microphone jack that corresponds to the radio's positive voltage connection.
Connect the Delta M3's white wire to the pin on the microphone jack that corresponds to the radio's audio input connection.
Connect the Delta M3's shield wire to the pin on the microphone jack that corresponds to the radio's shield connection.
Test the microphone by speaking into it while monitoring the audio output on the Cobra 29 LTD Classic CB radio.
Note: If you are unsure about the wiring or pin configuration, consult the owner's manual for your CB radio or seek assistance from a qualified technician. Improper wiring can damage your radio or microphone, and may result in poor audio quality or no audio at all.
Here is the wiring diagram for connecting a D104-M6B microphone to a Uniden 880 radio:
Shield: Connect to pin 1 of the microphone jack on the radio
White: Connect to pin 2 of the microphone jack on the radio
Red: Connect to pin 3 of the microphone jack on the radio
Black: Connect to pin 4 of the microphone jack on the radio
It's important to note that not all Uniden 880 radios are wired the same way. If you're unsure about the wiring on your specific radio, it's best to consult the manual or contact Uniden customer support for assistance.
I know this is late but might help someone plus I had to repair the audio input cable going from my acoustimass 25 series II to the Lifestyle 5 receiver. The 13 pin connecter cable terminates to 2 RCA jacks (red/white) one 3.5 mm jack and a female RCA which is the digital sound source. looking at the connector with the 13th pin on the bottom, I reference the pins from 1-13 starting at the top left:
PIN 1 RCA (RED) center conductor
PIN 2 RCA (RED) sleeve
PIN 3 RCA (digital) sleeve
PIN 4 RCA (digital) center conductor
PIN 5 RCA (WHITE) sleeve
PIN 6 not used
*PIN 7 3.5mm RING (?????)
PIN 8 3.5mm SLEEVE
PIN 9 RCA (WHITE) center conducto
PIN 10 not used
PIN 11 not used
PIN 12 3.5mm TIP
PIN 13 not used
* the 3.5 mm stereo jack is used for system control on the back of the lifestyle 5 receiver, the cable that terminates to the 3.5mm is a 3 conductor cable that terminates to PIN 8 & PIN 12 but PIN 7 only has continuity from the pin itself to the white cable (within the 3.5mm cable) but not all the way through to the 3.5mm ring (where i would assume it to terminate). Maybe this is where my problem is, I don't know but I spliced the cable right before the 3.5mm jack and there was continuity between PIN7 and the white cable that corresponds to the 3.5mm jack I just dont know where its terminating too. If anyone can confirm that it is supposed to terminate to the ring of the 3.5mm connector I would appreciate it.
I am sorry to say but, the 6400/E1505 does not have an internal mic. You need External. Sorry.
Specs only show a MIC connection.
IEEE 13944-USB 2.0 (Universal Serial Bus) compliant 4-pin connectorsFlash Memory Slot - Secure Digital (SD) and SD/IO compliant 5-in-1 Combo Card connector - reads MS, MS Pro, SD/SDIO, MMC, xD CD type I/II, & IBM Microdrive through ExpressCard adapterVideo: 15-pin monitor connectorS-Video: 7-pin mini-DIN connectorAudio jacks: Stereo headphones/speakers mini-connector (same as line-out), microphone mini-connector