[BC] Re: 4X150D

[Phil Alexander]

On 26 Mar 2007 at 14:54, Scott Todd wrote:

> Except 4CX250B tubes are 6.0, not 6.3.  Odd but true.
> 

Not so uncommon in Tx tubes. That way it is possible to
use a 6.3 VAC secondary and put a pot in series with the
primary for +/- 5% voltage adjustment. This was true
on several Collins boxes in days gone by.


---------------------------------------------
Phil Alexander, CSRE, AMD
Broadcast Engineering Services and Technology 
(a Div. of Advanced Parts Corporation) 
Ph. (317) 335-2065   FAX (317) 335-9037