Heathkit 401-21

[Neil Morrison]

How about
http://www.rpelectronics.com/English/Content/Items/61-690-1.asp
If you phone them they will probably measure the magnet for you.
It's 8 ohms but how much difference will that make?

Neil

--------------------------------------------------
From: "Emil Dular" <wd4scz at AOL.COM>

> I've got Gonset IV with a bad speaker, voice coil is open. It is a 3.2 ohm 
> 3.5 inch square, Gonset part number 152-017.  The size is tough enough to 
> find, but the original has an ALNICO magnet and all the possible modern 
> replacements I can find have the big round ceramic magnets. The problem is 
> that the big new type magnet will not fit.  I don't know who made the 
> speaker for Gonset in 1961 but there is SP-CO-243 printed on the backside 
> of the cone.
>
> Anyway, it sure looks like the speaker in an Heathkit signal tracer would 
> fit the bill. I think they used speaker part number 401-21 in all of them 
> from the T-3 to the  IT-12.  Anyone know what impedance it is?
>
> So anybody have a good speaker that will fit and they will sell?
 

-----------------------------------------------------------
Products bought, sold or traded here is the responsibility of the
parties involved.  This list and the City of Tempe are not responsible
for losses or misrepresentations of any kind.  Buyer beware!

-----------------------------------------------------------
This list is a public service of the City of Tempe, Arizona
-----------------------------------------------------------

Subscription control - http://www.tempe.gov/lists/control.aspx?list=HEATH
To post - HEATH at LISTS.TEMPE.GOV
Archives - http://lists.tempe.gov/archives/HEATH.html