Heath SB-301

[Gerald C. Lemay]

That sounds like the old chestnut about swapping the RF amplifier tube for
another with higher gain. Yes, you will get higher gain in the front end
but gain is not a problem in the stock receiver. The SB series receivers
already have too much gain in the front end. Try tuning in 40 meters at
night with a resonant antenna at reasonable height and you'll see what I
mean. In my opinion, this is one instance where it is better to leave well
enough alone. If your receiver has poor sensitivity, I would look
elsewhere.

> Has anyone tried the "Soup up the SB301 for $7" mod listed in BAMA (Boat
> Anchor Manual Archive)?
> It describes changing V1 and V6 to higher gm tubes. I was just wondering
> if there is a noticable difference in sensitivity with the new tubes.
>
> Thanks,
> Al Schichler, NE2D
>
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