[Heath] SB-110A

[Dave Edwards]

Some of the old Heathkit HP23's had a toggle switch on it to switch bias 
voltage. ...Not sure if it was the 23 or 23A.
Newer ones did not, and had to be hard wired.
Just make sure you have the right setting for your rig.
....Dave


On 4/23/2013 9:51 AM, George Babits wrote:
> Just a quick thanks to all who responded regarding the differences 
> between the SB-110 and SB-110A.  I now know that mine is an SB-110A.  
> The confusion on the tubes (6AX8 vs 6AZ8) looks like it was a 
> miss-print in the manual I have.  Now if I can just get it 
> transmitting properly.  I have an HP-23 in a SB-600 speaker enclosure 
> so can use the proper power supply instead of my "bench" supply.  
> Maybe that will make a difference in the performance.
>
> Thanks and 73,
> George
> W7HDL
>
>
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