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 bm-800 studio microphone

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skipmaster
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Call Sign : 26-CT-1079
Posts : 44
Times Thanked : 2
Join date : 2019-07-01
QTH or Location : Walsall
Age : 62

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PostSubject: bm-800 studio microphone    bm-800 studio microphone  Icon_minitimeTue Aug 17, 2021 6:13 pm

hi has anyone used one of these on their icom 756 pro ? ive got an adonis on mine good audio reports but i heard a guy in sweden using this bm-800 and it sounded pretty good so has anyone ever used one on here at any time thanks 73's Mark
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Victor
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Call Sign : 26-CT-3228 Ham M7VIC
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PostSubject: Re: bm-800 studio microphone    bm-800 studio microphone  Icon_minitimeTue Aug 17, 2021 10:10 pm

Hi Mark,

I think you've already got a great mic there in the form of your Adonis but those BM-800's do look tempting for the cash. Wink

As far as I can tell they are badged under many brands but are pretty much just an electret condensor type microphone, (the mic element used in them).

They seem to be marked in a couple of different version including a 48 volt Phantom type but they actually have a zener diode in them to reduce the Phantom supply voltage rather than being a higher voltage element or pre-amp design. Electret type elements need a power supply but it's way lower than those sort of voltages.

They can also be a bit 'poppy' or boom a bit on bass response and most people that have success with them add some sort of pre-emphasis circuitry, (don't panic, usually it's just a resistor/capacitor combination!) I'm not sure if all the models come with such circuitry added to them but if it helps any here's a helpful Hams solution :-

http://www.w1aex.com/mic/mic.html

Aren't sharing Hams a great bunch. bm-800 studio microphone  1f44d 


I know our European cousins love playing with this sort of stuff and spoke to an Austrian CB station last year who happily explained his 'homemade' setup of an electret element glued into a plastic pipe then attached to a standard lamp fixing. His audio was actually amazing! Smile

Anyway, I hope that's of some help and maybe even help for anyone else reading this now or in the future.

As more questions are posted on Charlie Tango the database grows and hopefully helps others. bm-800 studio microphone  1f44d 


All the best,
Victor

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skipmaster
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Call Sign : 26-CT-1079
Posts : 44
Times Thanked : 2
Join date : 2019-07-01
QTH or Location : Walsall
Age : 62

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PostSubject: Re: bm-800 studio microphone    bm-800 studio microphone  Icon_minitimeWed Aug 18, 2021 11:27 am

bm-800 studio microphone  1f44d thank you Victor i did use a studio mic on a yeasu ft 890 with a mixer with ok results but yes the bass was a little too much for some operators , you cant please everyone and with audio most people and different transceivers hear things differently im not going over the top on it the bm-8oo seemed a reasonable price to experiment 73's Mark

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PostSubject: Re: bm-800 studio microphone    bm-800 studio microphone  Icon_minitimeWed Aug 18, 2021 3:24 pm

No worries Mark.

There's no problem with people wanting a bit of audio clarity on their transmissions, I'm all for it.  bm-800 studio microphone  1f44d 

It's only when it gets pushed a bit too far and operators want to hog more bandwidth or cause splatter across the bands that it becomes an issue. There is only after all so much band space we all have to share! Smile

I agree with you though, at those prices it's definitely worth investigating and experimenting with.


Best of luck,
Victor
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PostSubject: Re: bm-800 studio microphone    bm-800 studio microphone  Icon_minitime

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