For Sale: 455 kHz Filter Partial Kit This is suitable for a 250 Hz bandwidth CW filter. Has 60 dB rejection outside the pass band. Connect right after the last i.f. and before the detector in almost any receiver design. Two pole filter design using tubes - typically like a 6AK5 and 12AX7. Can also be adapted for use with a modern transistor circuit.
Comes with all instructions, schemtic, complete article and two 455 kHz hc6u crystals. Two sockets available for an additional $5.00 with this kit. I currently have eight of these kits left, and they are available for $32.00 each plus shipping. 73 - Bry, AF4K
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