[AMRadio] 7360

Brian Carling bcarling at cfl.rr.com
Mon May 27 07:57:23 EDT 2002


N2EY reports that 6JH8 or 6ME8 are supposedly preferable to the 6AR8.

On 27 May 2002 at 8:29, Donald Chester wrote:
 
> The 7360 makes a very nice mixer, probably better than any solid state
> design.  It has some gain, very low noise and spurious responses.  One
> problem is they have become rare and expensive.  An inexpensive
> alternative is a 6AR8, listed in the 2002 Antique Electronic Supply
> catalogue for $5.50. 
>   The only drawback is that one of the grids is internally connected
>   to one 
> side of the filament, which would have to be grounded.  That shouldn't
> be too much of a problem if you run DC on the filament, which I would
> recommend.  I have built mixer circuits with these tubes, and they are
> very sensivive to stray magnetic fields, including that of their
> filament when it is powered by 6.3 vac.
> 
> The 7360 makes a good rx mixer as well as balanced modulator for
> anyone interested in homebrew slopbucket.  Would be curious what kind
> of results anyone has had with the 6AR8.
> 
> Don K4KYV
> 
> 
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