

It is better thought of as the next model following the A-Line era 51J-4 (and never introduced 51J-5, see Q3 2013 Signal). This receiver, while appearing to be a member of the notable “S-Line Family”, is not really an S-Line receiver at all. For a Detailed Physical & Operational Description – or click on the Equipment of Collins Radio on our Home Page and follow the Grey Box trail. The 51S-1B is similar to the 51S-1, but has a rear-mounted junction box that provides military-type connectors for power, control, audio, and antenna lines. The rack-mounted AC version is model 51S-1F, while the rack-mounted DC version is model 51S-1AF. The 51S-1A is similar, except that it is fitted with a 28-volt DC transistorized power supply. The more common models of the 51S-1 are mounted in a perforated wrap-around cabinet and equipped with an AC power supply capable of 115 or 230 volt, single-phase, 50 to 400 Hz operation. Coverage is continuous in thirty 1 megahertz bands. 51S-1 Copyright 2013-2016 Collins Collectors Association 51S-1/1A/1F/1AF/1B RECEIVER – An Overview The 51S-1/1A/1F/1AF/1B receiver is designed for USB, LSB, AM, and CW signals in the range of 0.2 to 30.0 MHz.
Collins 51s 1 versus 75s 1 serial numbers#
It is unknown if these units carried serial numbers in the 51S-1 sequence or even. eBay is not affiliated with or endorsed by Collins.Collins 51s-1 Serial Numbers 8,8/10 5048reviewsĥ1S-1 HF Receiver – Blocksome. In addition, if you want a receiver that is capable of producing high-frequency signals, you should select a receiver that is labeled "HF." Content provided for informational purposes only. For instance, some of these receivers support both amplitude-modulation (AM) and continuous-waveform (CW) signals, but others may only support single-sideband-modulation (SSB) signals.


Youll want to consider the type of signal mode that you want to use as you select one of the new or used Collins receivers on eBay. These kits contain all of the screws that youll need to reconnect the front panel of your Collins receiver, and they feature a bright chrome finish. Front-panel screw kits: Over time, the screws on your front panel may wear out, and you may want to replace these screws after you open the front panel to replace components on the inside of your radio.You may want to stock up on these devices if you want to keep your radio up and running no matter what happens. Capacitor: The capacitor in a ham radio routes electrical energy to various components within the device, and each Collins receiver contains a number of capacitors.Collins produced a number of speakers for their ham radios, but you can connect any speaker that uses standard speaker wire to these receivers. Since ham radios usually only produce mono sound, you may only want to have one speaker, but most Collins receivers can support multiple speakers.

