Product Overview
Kit King Kits CF-10M-24 10.7 MHz FM IF Bandpass Filter Module
Condition
New old stock (NOS). Unused vintage component in original distributor packaging with card header labeled Cat. No. 3467. Housing carries clean markings reading CF-10M-24, boxed code 402, A-21, and 1476681. Four straight wire leads and center chassis ground lug are intact.
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Product Overview
This vintage piezoelectric ceramic filter is designed for intermediate frequency (IF) bandpass filtering in FM and AM-FM stereo tuners. Originally manufactured by Taiyo Yuden under part number CF-10M-24 and distributed under the Kit King Kits line by Poly Paks, the module provides a sharp 10.7 MHz response curve to isolate broadcast signals without requiring manual realignment.
Key Features
- 10.7 MHz center frequency for standard FM intermediate frequency circuits
- Metal-encased shielding minimizes external noise and circuit interference
- Directional signal flow clearly indicated by top-face arrow and blue input marker
- Through-hole package featuring four wire terminal leads and one soldered central chassis ground tab
- Distributor reference Cat. No. 3467 by Poly Paks
Applications
- Restoring original audio fidelity in classic stereo receivers and tuners such as Harman Kardon and Rotel units
- Replacing drifted or fractured IF filters during alignment of vintage analog radio gear
- Hobbyist and amateur radio receiver builds requiring fixed 10.7 MHz IF selectivity
Frequently Asked Questions
What is the pin layout and orientation for installation?
The top of the metal enclosure features a printed directional arrow marked IN and OUT with a blue index line marking the input side. The four wire leads handle input and output connections while the central metal tab solders directly to circuit ground.
Can this be used to replace a CF-10M-24 in vintage hi-fi gear?
Yes. This component is the genuine CF-10M-24 filter element packaged by Poly Paks, serving as a direct drop-in replacement for original equipment specifying this part number.
Why buy this individually packaged filter instead of an unverified surplus lot?
Bulk surplus lots often contain mixed pulls or unverified components with bent leads and questionable history. This piece is preserved in its original labeled packaging with straight wire terminals and clear markings, so you know exactly what is going onto your bench. Orders ship for an $8 flat rate, qualify for free shipping at $28, and depart our Idaho warehouse the same or next business day.
Nothing restores the crisp separation of a vintage FM tuner like dropping the exact original filter back onto the board. Put this NOS module in place and let the analog dials sing again.
