AUDIO OUTPUT REQUIREMENTS: Speaker: 3-4 ohms. AUDIO OUTPUT LEVEL: 1 watt at AGC threshold, 3 watts maximum. eBay is not affiliated with or endorsed by Collins. Audio output level does not change more than 15 db as the input signal is changed from 10 uv to 100,000 uv. 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. Two CW mode switch positions offer up to three. For AM reception the passband can be optimized by the installation of an optional 3.1 kHz, 4.0 kHz, or 6.0 kHz Mechanical Filter. 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. 12AX7 (1) Description: The Collins 75S-3C is a versatile receiver with exceptionally sharp selectivity and operation in any of its four modes: SSB, CW, AM, and RTTY. 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. Speakers: To hear the signals that you receive on your ham radio, youll need to connect your receiver to a speaker or two.These receivers are compatible with a number of different accessories that you may want to use to augment the functionality of your ham radio, such as: Here are some examples of the types of ham-radio receiver models that this company made:Īre there any accessories for these receivers? Here are some of the types of questions that you should ask yourself as you select a receiver model of your own. Heavy Duty windings heavy cores, Ideal for dipoles, or other antennas where a tuner is used to match the transmitter over a wide range of impedances. Finding the right Collins receiver for your purposes is easy when you shop this collection on eBay. AS-200-1 1.5-60 MHz operation at 5 KW Great for log periodic antennas and other broad band approx 200 ohm antennas AS-200-T 1.5 - 30 MHz at 5 KW. If you want to connect your ham-radio antenna to a receiver thats designed to produce the clearest audio possible, then check out the many inexpensive Collins receivers that are available on eBay. Collins Ham Radio Receivers to Receive and Send Signals Around the Globe