Overhauled by collins guru peter wittenberg, k2lrc, in 2007 and unused since. Our goal is to make these manuals available via online download and, eventually, via cdrom for all cca members. Since i restore c3 vettes from the frame up the 30s1 project looks far. This data was compiled during a recent rebuild and refurbishment of a 30s1. Cedar rapids division i coins radio company, cedar. Please give me a hand digging up information on a most unusual collins receiver, the r627urc8. Page 7 3 30l 1 schematic diagram collins 30l 1 schematic diagram. Collins 312b4 console manual copy pn 523581600, 15 feb.
Other manuals i have many original manuals for collins and national so if anyone needs a free high resolution scan just let me know and i will take it down and get it scanned. Collins used 200 volts on the screen to limit the power input to the 1 kw limit to comply with the rules in the old days. Giulio augusto fulvio ferrara abbamondi patrizi ingriselli subject. Collins 30s1 a very good, but dusty, wingedemblem amplifier. Luckily, it is missing some non essential parts, which i.
Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Click here to read my story about the aquisition of the collins 204f1 as recently. One relay switches the high power rf and the other switches the driver. The 30l 1 is a portable rf linear power amplifier, including plate power and bias supplies. Prevent intermittent dropout of plate overload relay. The collins 30l1 is a grounded grid linear amplifier using four 811 a triode tubes. Solid state 6bf5 home of the collins radio association. It can be driven by the collins 32s3a transmitter, the collins kwm2a transceiver, or most 70100 watt exciters. Collins 30s1 linear power amplifier service bulletins. It provides full legal power input for ssb 1kw average or 1kw input for cw, requiring 70 to 100 watts excitation. A 30l1 expert i met on the cca sunday net suggested that problem 1 is well known to be caused by a gridtofilament short in one or more of the 811as. Collins items capacitor replacement kits nationwide. The 180z1 was designed for use with the 204h1 and manually tuned transmitters like the 204f1.
In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Collins 30s1 rf linear amplifier instruction manual. Collins 30j18 collins 51j4 collins kws1 collins kwm1 collins 310b collins 75a3 collins 32v3. Add the collins 30s1 linear amplifier to your station and you will have the cleanest, loudest signal on the air. Add the collins 30s1 linear amplifier to your station and you will have the. Collins 30s 1 this unit is all original and in pristine condition. The collins automatic line flattener 180z1 will match any impedance with a 3. If you have some stuff that not is listed here you can donate this by contact mods. Collins 30s1 this unit is all original and in pristine condition.
I got the unit uncomplete, after being stored for a long time. The 30s1 linear amplifier provides the ssb and cw station with full legal input power for ssb 1 kw average or 1 kw input for cw transmission. The amplifier delivers watts pep power input on ssb and watts average on cw for all bands. From the drawing board of warren brune, w5oly comes this superb hf amplifier. Understanding your 30s1 by bill carns, k0cxx a preface. It was a winged emblem 32s1 transmitter, 75s1 receiver, and a 516f2 power supply. Collins 30s1 linear amplifier hello everybody, i have recently come onto possession from a passing relative a collins 30s1 linear amplifier. And id hate to ruin the 30s1 by changing anything which would probably happen, or get turned into a girl by using it on am. The above change has resulted in efficiencies of 5866% in typical 30s1s. Sort by featured items newest items bestselling alphabetical.
The plate circuit of the power amplifier is tuned by a pi network consisting of c120. With so many designs available on the web, understanding how to read schematics can unlock a world of possibilities for the. It had a higher powered tube and also incorporated auto tune like the military linear amplifiers that collins was manufacturing at the time. Collins 75a1 receiver service manual download, schematics. Instant switching between low and full kilowatt power. We have 1 rockwell collins 51s1 manual available for free pdf download. Qso today interview with jim garland, w8zr qso today. Collins 30l1 restoration a classic desktop linear amplifier. If your 30s1 wont key, before you push the panic button, check a couple of things.
A collins sline troubleshooting and repair adventure gary white w5gw in october 2011 i obtained a collins sline station from a friend and fellow ham in san antonio k5jwk gary. Pins 2 and 3 have no internal connections and not shown. V201 and v202, the two 3b28 halfwave rectifiers, do not have pin identifiers. Collins radio equipment manuals the cca is actively digitizing the usertechnical manuals for collins radios most popular equipment used for amateur radio purposes. I already have a working linear amplifier that i hardly use and also the jaws ii amplifier which is under repair.
Electrically, mechanically, and cosmetically, it rates a 10 on a scale of 1 to 10. The af amplifier tube 6bf5 in the collins sline gets so hot, it turns dust particles into carbon and deposits a coating on the cabinet cover. The placement, of the heat exhaust, may have been one of those features. Has the peter dahl power transformer, a dolly, and copies of manuals. It is capable of watts pep input power in ssb or watts dc input in cw service with any exciter such as the kwm 1, kwm22a, or 32s 1 capable of 70 watts pep output. Section i description section i description 75a3 receivers with serial numbers higher than 0 use f455c filters end receivers with serial numbers. The 30s3 was a prototype next generation of the 30s1.
I found this surprising, to say the least, since if the relay is is the inactive unkeyed state, the received signal should pass through the 30l1 unattenuated. High to low collins 32s1 new capacitor replacement kit. A lot of the design features, in the 30s1, were dictated by the united states military. It can be driven by the collins 32s3 transmitter collins kwm2 or kwm1 transceiver, or most 70100 watt exciters. Gaylord harts account of his testing of nos domino capacitors. It requires 70100 watts driving power supplied by the collins 32s3a transmitter or kwm2a transceiver. Collins 30s1 30 s 1 30s1 pdf user manual for collins 30s1 30 s 1 30s1. Describe your experience with the collins 30s1 and tell us why you give it the rating you did required. Frankly, i have no idea as to if this was a military requirement or not.
And being not so ham inclined apart from rc airplanes i really dont know what to do with this beast. The 30 l 1 is particularly applicable to traveling sta. Collins 516f2 power supply collins radio company source document. Collins collins 30l1 manual collins 30s1 manual collins 32v3 modified speech ampdriver by wa1hlr collins 75s1 cw filter installation. A collins sline troubleshooting and repair adventure. View and download collins 30s1 instruction book online. The collins 30l1 linear amplifier has watts pep power input on ssb and watts average on cw on all bands. The unit sits on a specially constructed hardwood, four wheel, dolly allowing its 160 pound mass to be easily moved around the room. Finished in the same attractive light gray as collins famous sline equipment. The cca has a video on this 30s1 mod using a isolation xfrmr in the screen circuit to get the voltage up to the 325 mark. Collins 30l1 rf linear power amplifier service bulletins manual. Schematics are the functional diagram of electronic circuits. This page will be devoted to my collins 30l1 amplifier restoration. It was introduced late in 1960 and stood the test of time, remaining in production well into the 70s.