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Date Posted by Category User IP

2017-02-22 (UTC)


HF Amplifiers

Heath SB230 6m Retrofitted Amp

After many years of amplifier
construction activity and
warehousing projects at all
level of completion, the time
has arrived to undertake some
serious inventory reduction.
Similar projects have already
been sold with several remaining.
Currently, Iím offering a
prototype, retrofitted, 95%
completed 6m amplifier built on a
Heath SB230 chassis w/OEM
transformer. The amp is
retrofitted with a new and
completely installed GI7B tube
and circuitry and dedicated to
6m operation. This project will
definitely have appeal for a
radio amateur seeking some
additional 6m DX/contesting
power in the pileups and
available with minimal cash
outlays. The package is a fully
assembled 600w dedicated
amplifier available to those
who enjoy building and favor a
project with a minor amount of
work required to get it on line.
Package includes a brand new
GI7B Russian tube, high quality
custom socket and chimney mounted
on a pressurized enclosure, new
capacitor board, HV plate choke,
new filament transformer,
complete tank circuit, front
panel tuned input. blower, and
an antenna and time delay relay
in place and functional. Makes
2400VDC plate voltage. To be
clear, itís a complete package
fully wired with all circuits
functional except for completing
the bias wiring, final tweaking,
and integrating the Heath meter
into the plate current circuit.
The Zener diode, antenna/plate
tune capacitors, pilot light, and
operate/standby switch, are all
in place. No further hardware or
components are required. The
Heath enclosure is free of bangs,
dents, or dings . $375+ shipping
However, would prefer pickup in
the Scranton, PA area.

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