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Date Posted by Category User IP

2016-06-04 (UTC)

K9DTC

Receivers

c-50-158-59-87.hsd1.il.comcast.net

SHERWOOD DRAKE R-4C UPGRADES

SHERWOOD DRAKE R-4C UPGRADES
THESE ARE SHERWOOD TYPE UPGRADES FOR THE R-4C. 2 POWER SUPPLY BOARDS, PRODUCT DETECTOR, AND AUDIO. SOLD


600 Hz 6-Pole First-IF roofing filter for Drake R-4-C $80 MAILED
Low Loss for Full Sensitivity!
Improve the early-stage selectivity of your Drake R-4C with the time-proven otpimum-bandwidth, low-loss CF-600/6 first-IF CW roofing filter.
Eliminate those high-pitched beat notes from signals thatleak around the switchable second-IF crystal filter.
Improve ultimate rejection to better than 130 dB, unlike competing units.
Eliminate the chance of strong signals overloading the second mixer, causing intermodulation and desensitization.

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