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Search took 0.00 seconds. Search: Posts Made By: TreblePlink

Forum: Marine Electronics

19-12-2017, 09:14

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

Since the horn (speaker) is used as a microphone, gotta use shielded wire. You can use shielded wire for speakers too without issues, but if small gauge is used the resistance can reduce the level...

Forum: Marine Electronics

19-12-2017, 09:02

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

I've used Nmea 0183 for years, and the only thing I've had to do to get it to work is to set the baud rate correctly.

Generally, Icom makes pretty good stuff...

But I agree that paying $150 for...

Forum: Marine Electronics

09-12-2017, 18:49

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

This "listen back" function is not new. Many wired intercoms used this same approach - using the speaker as a microphone.

The "horn" is passive and functions as a simple dynamic microphone when...

Forum: Marine Electronics

09-12-2017, 15:36

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

Maybe he should just use shielded cable like his photo of the mfr recommendations suggests? "Small amplifier in the horn" --- where did this idea come from? It cannot function as both a horn and a...

Forum: Marine Electronics

09-12-2017, 11:05

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

For just speaker use, about anything will work.

He wants to use the "listen back" feature which turns the speaker into a microphone. This cable must be shielded to avoid electrical noise...

Forum: Marine Electronics

09-12-2017, 04:31

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

If the wire is unshielded, it will pickup noise in the talk back mode where the speaker is used as a microphone.

Forum: Marine Electronics

08-12-2017, 13:45

Replies: 24

Best cable to use connect loudhailer horn to B&G V50 VHF

Views: 7,250

Posted By TreblePlink

Re: Best cable to use connect loudhailer horn to B&G V50 VHF

Unless you're going more than 25 feet or so, RG-58 would be fine. So would heavier stuff if you want every last drop of loudness from the speaker.
Cable characteristic impedance will not matter for...

Showing results 1 to 7 of 7

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