[Amps] DRAKE L4B

[Jay Sturtevant]

Robert,

Nice work on a classic amp!

Could you give us some general history of your L4 B? Where was it had it
been kept?

The tank coil looks heavily oxidized, even flaking, from what I can tell.

Thanks far sharing!

Jay,
K2ZT

On Wed, Apr 29, 2020, 1:25 AM Robert <woodr90 at gmail.com> wrote:

>
>
> cleaning up L4B
>
>
>
> posted few photos at
>
>
>
> http://w5aj.eqth.net/drake/drake.htm
>
>
>
> Observations:
>
>
>
> The air cooling / fan is anemic
>
> The plastic fan & metal hub can be rejoined with Gorilla EXPOXY Glue
>
> The undated W5DDW fan article covers parts that are now obsolete.. even
> blowerwheel dot com has no direct replacement
>
> The amp hums bit loud on SSB position
>
> The control/filament connector at back of the Amp section is amazing,
> lasting 50+ years, difficult to push on, the connections are tight!
>
> The connector for activating the amps T/R relay seems unique.  None came
> with this amp
>
> For 50+ year old amp, not bad
>
> Did I mention the cooling air is uninspiring..
>
>
>
> 73 W5AJ
>
>
>
> Robert
>
> Midland, Texas
>
>
>
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