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 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...

This Collins S-Line Weighted PTO Knob Insert, is custom made for most of 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...

This Johnson Viking Adventurer 50 Watt input CW Amateur Novice Transmitter, covers  80, 40, 20, 15, 11 & 10 Meters   This one is in excellent, Collector Quality condition. I tested it with an 80 meter crystal and it put out the rated...

NOTE: I only have a small number of these  6883 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes are in excellent NOS condition This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual...

NOTE: I only have a small number of these  6883 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes are in excellent NOS condition This Tube has been tested on a Dyna-Quick Model 700 Dynamic Mutual...

NOTE: I only have a small number of these  6293 / 6146 Tubes. At some point the original boxes got damp and were not in good shape. The tubes have very slight pitting on the metal  portion of the tube so I am selling them at a (used) price This...