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Gear / Technical Help => Microphones & Setup => Topic started by: mdftunes on March 10, 2010, 09:53:34 PM

Title: Battery fro a NAK CM300
Post by: mdftunes on March 10, 2010, 09:53:34 PM

I bought my Nak CM300s back in the early 80's.  They haven't been used in like 25 years but were stored in the original foam box.  Of course the batteries are way shot and I haven't been able to find replacements.   What are my power options? Can I buy a battery that fits in the mic?  Can I get some sort of external power supply (battery operated)?  I read about some modifications that can be done buy I wouldn't be able to do that myself. I have cables to plug them into my SONY D-5 (1/4" phone jacks) but could get different cables if i needed to.  I would like to be able to use them again but I need a power source.

Title: Re: Battery fro a NAK CM300
Post by: OOK on March 10, 2010, 10:22:56 PM

Here is the battery you need...... new should last you around 300 hours or so...

http://www.batterymart.com/c-industrial-batteries/eveready-206-industrial-battery?utm_source=google&utm_medium=ppc&utm_term=eveready206&gclid=CJWi-N20mZgCFQwNGgod9HHWnA

Title: Re: Battery fro a NAK CM300
Post by: Boedi-taper on March 10, 2010, 10:33:12 PM

Otheronek is right.One thing though: The battery that is  pictured might actually be a replacement other than the one shown.Reason I say this is because I ordered the same battery from 2 separate places(Radio shack being one), and the battery they sent me is different than the one pictured.I don't think the one pictured they make anymore.The replacement is similar,but just slightly less rounder.In othe words,if you happen to use the CP4 shotguns for your Nak 300's,the battery might be just a little loose when you insert the battery inside the Nak300 mic.When you go to screw the CP4 shotgun into the mic,the battery might be very slightly loose.You can help it connect better by wrapping the battery a few times with electrical tape.Hope this makes sense.Good luck!

Title: Re: Battery fro a NAK CM300
Post by: runonce on March 11, 2010, 12:41:10 AM

I've always used these

http://www.batteriesinaflash.com/special-application/exell-206a-alkaline-9v-battery-110mah-neda-1611-h-7d-h-6d

Higher mAh rating. Works fine with the guns.

just watch the goofy polarity marks...nub is negative.

Title: Re: Battery fro a NAK CM300
Post by: mdftunes on March 13, 2010, 12:01:24 AM

Thanks guys ... I think one of these will fit the bill.