[HBR] HBR 16 Owner Pondering Building My Own

[N2EY at aol.com]

In a message dated 4/6/05 9:59:28 PM Eastern Daylight Time, 
waltah at earthlink.net writes:


> One exception is that using the sharp cut-off pentode 
> half of a 6AZ8 as an RF amp in the later HBRs was a bad idea 
> compared to the use of the 6BA6 remote cutoff tube in the earlier 
> sets.  
> 

The 6AZ8 pentode is referred to as a "semiremote cutoff pentode" in some of 
my books.

The trouble with the otherwise-excellent 6BA6 is noise. On 80 and 40 they're 
fine, usually, but on the higher bands they just hiss too much. 6EH7 is the 
best alternative I know of.

73 de Jim, N2EY