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For sale: Collins mechanical filters

For sale:  4 Collins mechanical filters used in a Collins 75A-4 receiver (all 9 pin) asking 400$ for the 4 or sell separately each for 100$.  Were removed from my 75A-4 substituted by the Dave Curry products

  1. Two of F455 J 05 (526  9154 00) – one is 7102, the other 10R2 – 500 Hz
  2. Dave Curry long wave products 9 KHz  AM filter
  3. 455 J 31 (526 9089 00) 8N1 (3.1 KHz)

The post For sale: Collins mechanical filters first appeared on Hamshack.

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