[Boatanchors] MCM ELECTRONICS

[Bob Peters]

Here are the specs on the speaker... As you can see voice range well
covered...

Specifications:

Sensitivity: 96dB (W/M)
Impedance: 8ohm
Re: 7.2ohm
Le: 0.989mH
Frequency response: 52Hz~4KHz
Fs: 52Hz
Qts: 0.29
Qes: 0.324
Qms: 2.6
Vas: 55.8 liters
Xmax: 3.5mm
Overall frame diameter: 10.63"
Required cutout: 9.09"
Mounting depth: 5.75"

Bob W1PE

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Bob Peters
Sent: Monday, April 04, 2011 12:00 PM
To: 'Philip (KO6BB)'; 'Boatanchor List'
Subject: Re: [Boatanchors] MCM ELECTRONICS

I have one of these and it is not a SUB WOOFER and does not cut out in the
voice range but does limit the highs and should limit those   

Bo W1PE

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Philip (KO6BB)
Sent: Monday, April 04, 2011 11:46 AM
To: Boatanchor List
Subject: Re: [Boatanchors] MCM ELECTRONICS

Hi,
Thank you.  Only one note.  If you're buying a 10" speaker for service 
as a "wide range" speaker for the usual BA speaker cabinets (like the 
National one I have), I'd be very leery of anything billed as a 
"Woofer"  as many (most?) woofers will start to have a very sharp 
roll-off before you get into the mid voice ranges. . .

When I needed a replacement for my National cabinet I did a lot of 
research.  I finally settled on a Weber Alnico 10" guitar speaker from 
Musician's Friend.  At almost $50.00 (free shipping) it's NOT cheap, but 
I feel it was the best choice I found.  They (and Jensen) both make a 
cheaper 10" speaker with ceramic magnets that may be satisfactory, but 
the Alnico one, while billed for guitar, seems to be voiced about right 
for "wide range" communications use.   It's a great match to the PP 
6V6's in my National NC183!

73 de Phil,  KO6BB
http://www.qsl.net/ko6bb/   (Web Page)
http://ko6bb1.multiply.com/ (My OTR Blog)
http://cbsmysterytheater.multiply.com/ (My CBS
Radio Mystery Theater Blog)

RADIOS:
Yaesu FT-2000 Xceiver for "hamming" and LF Beacons.
National NC-183 16 Tube Receiver (circa 1949)
Zenith "American" Royal-7000 Transoceanic. (circa 1970)
Realistic DX-380 Digital Portable.

Central California


On 4/4/2011 9:24 AM, Bob Peters wrote:
Hay folks  I know that folks have been looking for some great priced 10 
inch
speakers. MCM electronics has a 10 inch 100watt woofer on sale this week 
for
$15.00
Part ## 55-2961. That is a great deal...They also have a HI-Z to LO-Z 
preamp
that is like a stereo preamp for a phone for like 5 for $50.00 part ##
40-630...

Just wanted to pass this on to the group  I get there weekly deal flyer
every Monday...

Bob W1PE
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