WebAbout A Collins 75A-4 Restoration The resource is currently listed in dxzone.com in a single category. The main category is Repair resources and services that is about Antique radio repair. This link is listed in our … WebAt present I have 300 Hz, 3.1, 4, 6, 8 and 16 kHz filters available. But that is a whole other story. I hope this helps anyone contemplating improving the 75A4 audio, which was … 3 synonyms for plurality WebDiscontinued Amateur Receivers. The Collins 75A-4 is a high quality amateur band receiver covering the frequency ranges of: 1.5-2.5, 3.2-4.2, 6.8-7.8, 14-15, 20.8-21.8, 26.5-27.5, 28-29 and 29-30 MHz. Modes of … WebCollins 75A-4 receiver • Serial number 2484. • Three filters; SSB, AM, CW. History. • 1955-1959. Approximate date of manufacture. ... Collins specs: less than 10% distortion, conditions not specified. Test conditions: 0.5 watt AF output into 8 ohms, 3.890 mc, 50 µV, BW 6 kc, modulation 1000 cps 60%. best episodes of south park with randy WebThe 75A-4 is my favorite vintage amateur band receiver. I cannot think of another receiver from the 1950s that is so often compared to the performance of modern receivers. The 75A-4 was designed primarily as a SSB and CW receiver and was … WebFirst single-sideband amateurband-receiver of the world, around 5840 sets were made, below 200 of them at Collins Toronto, Ontario, plant. Net weight (2.2 lb = 1 kg) 15.9 kg / 35 lb 0.4 oz (35.022 lb) Price in first year of sale; 495.00 $ External source of data; Eilert Menke; Source of data; Shortwave Receivers - Past & Present (3rd ed ... best episodes of stargate sg 1 WebGreat deals on Collins 75a 4. Be prepared and able to communicate in case of emergency with the largest selection at eBay.com. Fast & Free shipping on many items!

WebThis Collins ORIGINAL 75A-4, 3 Page Service Bulletin #1, covers the Noise Limiter, Q-Multiplier, Fuse Blowing, & Muting Modifications, This Original 3 page bulletin is made to insert in the back of your original 75A-4 Manual.This set is in excellent condition and is a great addition to your vintage collection. http://vk2fc.com/75a-4_receiver.php 3 synonyms for softball WebApr 16, 1998 · Collins 75A4 Modification Compendium. 1 post • Page:1 of 1. Collins 75A4 Modification Compendium. by Chri » Thu, 16 Apr 1998 04:00:00 . I bought this but sold the radio. It ahs all the articles written about the mods in CQ, QST, Ham Radio and Electric Radio. I haven't even looked at it. Brand new. $20. I also have a good copy of the 75A4 ... WebJan 8, 2009 · There are a number of other mods Collins released as service bulletins. Collectors usually value the early models more that have had these mods performed (correctly). ... As you no doubt realize, the 75A-4 is a real benchmark receiver and was truly a revelation in its heyday, the mid 1950's. The dial calibration and selectivity, although … best episodes of supernatural Web75A-4. THE COLLINS 75A-4 RECEIVER. Collins 75A-4 Receiver is designed expressly for Amateur operation on the seven HF bands – 160, 80, 40, 20, 15, 11, and 10 meters. The Receiver retains the time-proven … http://www.redwaveradio.com/6_86ab08c19c68f628_1.htm 3 synonyms for software WebThe purpose of this supplement is to show the changes in the 75A-4 Instruction Book (Collins part number 520 5052 00) necessary to make it agree with the-changes made …

WebLas mejores ofertas para Receptor de Banda Collins Escasa 51J-4 HF Coleccionistas Calidad Enviamos *Gratis* WW están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis! 3 synonyms for star-crossed WebCollins 75A-4 receiver • Serial number 2484. • Three filters; SSB, AM, CW. History. • 1955-1959. Approximate date of manufacture. ... Collins specs: less than 10% distortion, … best episodes of star wars rebels