[Elecraft] First report about my new Yamaha CM-500

[Bob Naumann]

I just received my CM-500s and am using the rear mic jack. Works fine that
way with lo gain, bias on.

As Jim reported, the mic has a lot of gain. It's quite bassy compared to the
Heil but the EQ takes care of that.

I opened the package and 10 minutes later I'm all set. The ear pieces are
nice and large. Comfy so far.

Bob W5OV


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wes Stewart
Sent: Friday, January 15, 2010 7:23 PM
To: elecraft at mailman.qth.net; Hector Padron
Subject: Re: [Elecraft] First report about my new Yamaha CM-500

Hector,

Glad you like it.  I have been using mine for months.  But with the K3 rear
input, you do not need the battery bias box.  The K3 will supply the bias
you need.

Wes  N7WS

--- On Fri, 1/15/10, Hector Padron <ad4c2008 at yahoo.com> wrote:

> From: Hector Padron <ad4c2008 at yahoo.com>
> Subject: [Elecraft] First report about my new Yamaha CM-500
> To: elecraft at mailman.qth.net
> Date: Friday, January 15, 2010, 5:34 PM
> Well folks,finally after 2 months
> wait my boomset from Yamaha,arrived this afternoon.
> It look and feel very professional,the headset is big
> enough to cover my ears completeley,it isolate me from the
> outside world,they feel confortable.
> When I plug it into my K3 front panel phones jack,my first
> impression was WOW!! this sound great,for years I was using
> the Sony MDR-V150 that are sold in local audio stores for
> $20 and I thougt they were the best in the market,they
> really sound wonderful with any radio but these Yamaha
> leaves in the dust my old Sony,the audio quality is
> awsome,if you hear AM broadcast stations the "lows" are deep
> solid without any distorsion,even on ESSB If you find some
> one transmitting that wide,you enjoy that sweet sound.
> Now comes the mic,it needs 3V DC power,it comes with a
> little plastic case where you insert a couple of AAA
> batteries to feed the mic,then I connected it to the rear
> mic input and trough the quick config menu set it to "rPH"
> and bingo,nice TX audio,the gain is much higher than any of
> all the mics I have been using with my K3,so I had to lower
> the mic gain to just 10 and comp to same level,VOX works
> very easy with this mic,I set lastly the mic EQ and my audio
> goes very well balanced from 100 to 3000 hz.
> Its 00:30 UTC in SE FL now,I am on 40M if anyone will like
> to hear me on the air with it I will be available all
> night,just send me a direct email.
> I can tell that for just $38 this is a great investment
> that will put Heil to think about how to improve their mics
> or at least make them more afordable.
> If you have not order one of these,don't hesitate,do it.
>  
> AD4C
> 
> 
> "For a refined ham it is compulsory to own a k3"
> 
> 
>       
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