Topband: Powering preamp

[Pete Smith]

How important is it to regulate the DC supplied to a topband preamp?  If 
the preamp is rated to run on a range of voltages ((in this case, an ARR 
P1-30/20VD rated for 11-16 VDC at 40ma) is it best to run it near the top 
limit, or the bottom, or doesn't it matter?  The active device is an 
LT-1001A bipolar transistor.

73, Pete N4ZR
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