I think one could carefully amputate the whizzer with an exacto knife.

73,
Jack 
WA9NQW
On Apr 17, 2013, at 12:38 PM, KR4HV <[email protected]> wrote:

> Evan is correct.  I have tried many different speakers, most speakers
> designed for high power are not very efficient and while they will handle
> more watts, the SPL/1w is low.  
> The "Collins" replacement speaker from the link is rated at only 7W. On the
> surface that sounds good, maybe means "more efficient", maybe not. One
> concern is the "whizzer" cone.  The original Collins speakers did not have
> one. My hope is that the whizzer cone won't be very effective since I don't
> want high frequencies above 4-6kc, they just provide more noise and QRM. 
> 
> I ordered one to see how it will perform.
> 
> We'll see.  
> 
> Walt
> KR4HV
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of [email protected]
> Sent: Wednesday, April 17, 2013 12:00 PM
> To: [email protected]
> Subject: Drakelist Digest, Vol 58, Issue 18
> 
> Send Drakelist mailing list submissions to
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> 
> Today's Topics:
> 
>   1. Re: Drakelist Digest, Vol 58, Issue 16 (Charles Ring)
>   2. Re: MS-4 Speaker (Charles Ring)
>   3. Re: MS-4 Speaker (K9sqg)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 16 Apr 2013 13:17:06 -0400
> From: Charles Ring <[email protected]>
> To: Bob Loving <[email protected]>
> Cc: [email protected]
> Subject: Re: [Drakelist] Drakelist Digest, Vol 58, Issue 16
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
> 
> Parts Express has or had another better-than-original speaker that fits the
> MS-4 cabinet. Unfortunately I can't find details of the one I bought a few
> years ago after it was recommended on one of these lists. The price was
> lower than this one, maybe half.
> 
> 
> 
> On 4/16/2013 1049, Bob Loving wrote:
>> Brian:
>> 
>> Surplus Sales of Nevraska has a Collins replacement speaker that fits 
>> the MS-4 cabinet. I have replaced one of my MS-4 speakers with the 
>> unit. To me, it sounds more "mellow" than the original speaker used by 
>> Drake. It has a massive magnet.
>> 
>> The speaker is listed at the bottom of the window in this link: 
>> http://www.surplussales.com/Microphones-Audio/MicroAudio-8.html
>> 
>> 73,
>> Bob K9JU
>> 
> 
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> ------------------------------
> 
> Message: 2
> Date: Tue, 16 Apr 2013 13:33:34 -0400
> From: Charles Ring <[email protected]>
> To: Bob Loving <[email protected]>
> Cc: [email protected]
> Subject: Re: [Drakelist] MS-4 Speaker
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
> 
> Parts Express has or had another better-than-original speaker that fits the
> MS-4 cabinet. Unfortunately I can't find details of the one I bought a few
> years ago after it was recommended on one of these lists. The price was
> lower than this one, maybe half.
> 
> 
> 
> On 4/16/2013 1049, Bob Loving wrote:
>> Brian:
>> 
>> Surplus Sales of Nevraska has a Collins replacement speaker that fits 
>> the MS-4 cabinet. I have replaced one of my MS-4 speakers with the 
>> unit. To me, it sounds more "mellow" than the original speaker used by 
>> Drake. It has a massive magnet.
>> 
>> The speaker is listed at the bottom of the window in this link: 
>> http://www.surplussales.com/Microphones-Audio/MicroAudio-8.html
>> 
>> 73,
>> Bob K9JU
>> 
> 
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> ------------------------------
> 
> Message: 3
> Date: Tue, 16 Apr 2013 17:16:29 -0400 (EDT)
> From: K9sqg <[email protected]>
> To: [email protected], [email protected]
> Cc: [email protected]
> Subject: Re: [Drakelist] MS-4 Speaker
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="us-ascii"
> 
> Fellow enthusiasts,
> 
> 
> I've been very please with the MS-4 speakers that I own, and putting
> acoustical foam inside the cabinet makes them sound even better.  If one
> were to select an alternate speaker for mounting inside the MS-4 cabinet, it
> won't necessarily have better fidelity and less distortion.  Why?  Some of
> the speakers I've tried have had maximum power rating of 20-50 watts.  When
> used with a TR-7, I found that I had to run the audio gain quite high, in
> some instances at the 3 o'clock position, since the speakers were not
> necessarily efficient.  As one approaches the maximum output of an audio
> amp, sometimes the distortion level becomes annoying.  Your results might
> vary.
> 
> 
> Enjoy those Drakes.
> 
> 
> 73,
> 
> 
> Evan, K9SQG
> 
> 
> 
> -----Original Message-----
> From: Charles Ring <[email protected]>
> To: Bob Loving <[email protected]>
> Cc: drakelist <[email protected]>
> Sent: Tue, Apr 16, 2013 1:35 pm
> Subject: Re: [Drakelist] MS-4 Speaker
> 
> 
>              Parts Express has or had another better-than-original speaker
> that    fits the MS-4 cabinet. Unfortunately I can't find details of the one
> I bought a few years ago after it was recommended on one of these    lists.
> The price was lower than this one, maybe half.
> 
> 
> 
> 
> On 4/16/2013 1049, Bob Loving wrote:
> 
> 
> 
> 
> 
> 
> Brian:
> 
>              Surplus Sales of Nevraska has a Collins replacement
> speaker that fits the MS-4 cabinet. I have replaced one of              my
> MS-4 speakers with the unit. To me, it sounds more              "mellow"
> than the original speaker used by Drake. It has a              massive
> magnet.
> 
>              The speaker is listed at the bottom of the window in this
> link: http://www.surplussales.com/Microphones-Audio/MicroAudio-8.html
> 
>              73,
>              Bob K9JU
> 
> 
> 
> 
> 
> 
> 
> 
> 
> _______________________________________________
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> [email protected]
> http://mailman.zerobeat.net/mailman/listinfo/drakelist
> 
> 
> 
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> 
> _______________________________________________
> Drakelist mailing list
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> 
> End of Drakelist Digest, Vol 58, Issue 18
> *****************************************
> 
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