[Collins] MM-280 and MM-281

[Heinz Breuer]

The Collins SM-1 is a Turner microphone too, probably as well as the 
SM-2 and SM-3, but don't know for sure.
vy 73 Heinz DH2FA, KM5VT


Am 20.12.2010 21:31, schrieb Dr. Gerald N. Johnson:
> I found a Turner catalog and there's no denying the Collins MM-1 IS a
> Turner SR-90D. Turner also made a SR-90R that was a carbon microphone in
> the same case.
>
> My catalogs are here somewhere in boxes poorly labeled and stacked in
> rows. So far I've found nothing that comes close to the MM-281 shown at:
> http://radioleo.tripod.com/leo/id28.html In the old days that 020 part
> number would have been a hint. It is yet. If it was made by Collins the
> part number would have begun 5xx, like 544 for radios. So it was
> definitely bought. The original specification would have given the
> vendor. Don't know where I'd store all those aperture cards of
> specifications but they sure would be handy for questions like this.
>
> Or the MM-280 shown at:
> http://www.associatedradio.com/usedpages/mm-280.htm or
> http://www.collins-21.com/mm_281_b.jpg
>
> I suspect Art and the Turner kids that formed Turner Microphone probably
> went to school together, so if Art had any say (and he always thought he
> did) they would have used Turner microphones. Collins and Turner have
> relatively parallel histories in time and in Cedar Rapids.
>
> I've pretty much ignored the KWM-380, I was gone from CR and Collins
> before it appeared on the market at a time when I was a professional
> student and major purchases like ham gear weren't possible. I should
> have hocked my eyeteeth (before the dentist pulled them) and bought a
> house before 2009. Way before.
>
> 73, Jerry, K0CQ, Technical Adviser to the Collins Radio Association.
>
> On 12/20/2010 5:13 AM, David Knepper wrote:
>> Dr. Jerry, according to my Tuner catalog that I have in my files, those
>> diecast satin finish alloy case handheld mikes were a model SR-90. The
>> picture is undeniable.
>>
>> Merry Christmas
>> David Knepper, W3CRA/W3ST
>> Editor of the Collins Journal
>> Secretary of the Collins Radio Association
>> Now on Facebook
>>
>>
>> ----- Original Message ----- From: "Dr. Gerald N. Johnson"
>> <geraldj at weather.net>
>> To:<collins at mailman.qth.net>
>> Sent: Sunday, December 19, 2010 9:29 PM
>> Subject: Re: [Collins] MM-280 and MM-281
>>
>>
>>> They don't look like any I've known from Shure. But I know Collins
>>> before Rockwell sold EV and Turner (Turner being a Cedar Rapids company
>>> with an interesting history) with Collins name tags. The one tag I found
>>> on a Collins gear web page only showed Rockwell-Collins. I don't know if
>>> their might be a hint inside, like a maker name from the plastic mold.
>>> Its possible Collins made them, but less likely than they had them made
>>> or bought standard units off the shelf with the modification to put the
>>> Collins label on them.
>>>
>>> Turner Microphones developed as an offshoot of the Turner Mortuary that
>>> wanted better microphones for their mortuaries. Then for a few decades
>>> Turner Microphones did well on their own. I've used Turner microphones
>>> for PA systems and they had some popular microphones for ham and CB
>>> applications. I'm not sure of their status today.
>>>
>>> 73, Jerry, K0CQ, Technical Adviser to the Collins Radio Association.
>>>
>>> On 12/19/2010 6:19 PM, ROLYNN PRECHTL K7DFW wrote:
>>>>
>>>>
>>>>
>>>> A friend asked who the supplier was for these two hand mics.
>>>>
>>>> I had no answer other than a WAG of Shure.
>>>>
>>>> Anyone have real info?
>>>>
>>>>
>>>> K7DFW
>>>>
>>>>
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>>
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