This Collins 75A-4 Receiver Original Manual P/N 520 5052 00 3rd Edition Revised 15 March 1957, is in Excellent condition. This is a very Late 75A-4 manual which will have All the Factory Updates. NOTE: This manual has several Service bulletins with it...

This Collins 75A-4 Receiver Original Manual P/N 520 5052 00 3rd Edition Revised 2 July 1957, is in Excellent condition. This is a very Late 75A-4 manual which will have All the Factory Updates. It is complete with the fold out schematic diagram intact...

This Collins 75A-4 Receiver Original Manual P/N 520 5052 00 3rd Edition Revised 2 July 1957, is in Excellent condition. This is a very Late 75A-4 manual which will have All the Factory Updates. It is complete with the fold out schematic diagram intact...

This Collins 75A-4 Receiver Original Manual P/N 520 5052 00 2nd Edition Revised 1 July 1956, is in very good condition. It is complete with the fold out schematic diagram intact. There are a few "Character Lines" on the cover but other than that it is in...

Collins 75A-4 Receiver Original Manual with Metal Clasp Binder P/N 520 5052 00 March 1957 #18 This and every Manual I sell, comes with a money back satisfaction guarantee. I do carefully check each used manual but due to the high volume of used manuals I...

Collins 75A-4 Receiver Original Manual with Metal Clasp Binder P/N 520 5052 00 March 1957 #20 This and every Manual I sell, comes with a money back satisfaction guarantee. I do carefully check each used manual but due to the high volume of used manuals I...

This RARE Technical Materiel Corp (TMC) GPS-1 Matching Speaker for the GPR-90 Receiver, is in Collector Quality Condition. It has the original paint and finish and appears to have the original speaker cloth, all in excellent condition.     I am...

This Collins 312A-1 Illuminated Speaker for 75A-4 & KWS-1 is in Good Condition with NEW LED Lumiline Lamp Replacement.   This 312A-1 speaker belongs to a close friend of mine. This one is complete, and has the original paint.  There are...

This Collins 270G-2 Matching Speaker for the 75A-2, 75A-3, and 75A-4 Receivers, is in Excellent Condition. It has the original paint, finish, and Flocked Grill. It has the original Jensen speaker which is a great sounding speaker.  It has the...

This Collins 75A-4 Complete Tube Replacement Kit, has mostly Mil Spec JAN Tubes. All are New Old Stock tubes. It was recently purchased from Frank Krize. COMPLETE 22 TUBE KIT FOR THE COLLINS 75A4 RECEIVER. 1-5Y3, 4-6AL5/5726, 1-0A2WA, 1-6AQ5/6005,...

Dielectric Model 5775 5000 Watt Continuous 50 Ohm RF Dummy Load *Pick Up Only (Near Green Bay, WI.)* Dielectric Communications (now part of SPX Corporation's Dielectric division, specializing in broadcast RF equipment) produced the Model 5775 as a...

This Collins 51S-1 Weighted PTO Knob Insert, is custom made for 51S-1 the PTO Knobs with Finger Hole. This Weighted insert is designed for Collins Spinner PTO knobs (with Finger Hole)  Looking at the back of your PTO knob, and the bump from the...