[Drake] Several Drake questions

[Larry Taft]

For the reduction drive try Oren Elliott Products.  They also make old 
time variable caps as used in the L-4 and L-7 amps.

www.orenelliottproducts.com

73, Larry  K2LT
drakerepair.com

Dave Maples wrote:
> All: I have acquired a Drake C line that I'm quite happy with.  I have some
> questions, though, about it and the B line that I also have.
>
> 1. I'm wondering if there's anyone who knows where the reduction drives used
> on the preselector tuning could be obtained.  The Jackson Bros. 6:1
> reduction drive seems to be the closest thing, but I doubt that that's what
> is being used.  Anyone have a clue here?
>
> 2. Anyone have a preferred source for band crystals for the Drakes?  I've
> got a bum 40M crystal in the R4C (about 15 kHz off, if you can believe
> that).
>
> 3. I have recently used a Velleman K4001 audio amplifier in a work-related
> project.  This amp delivers 7 watts max to a 4-ohm load (with a 15 VDC
> supply).  It's based on the TDA2003 integrated circuit and will operate from
> a supply of 8-18 VDC.  It draws 500 MA at 7 watts out.  It has about 40 dB
> of gain.  Any reason why I couldn't use this to replace the single
> transistor special in the R4C?  I've read about the LM380 replacement; this
> seems like an even cleaner approach.  I believe I'll have to replace the
> regulators as well, if I read correctly.  Any thoughts on this approach?
>
> All comments welcome!
>
> Thanks,
> Dave WB4FUR
>
>