broadcast equipment manuals

broadcast equipment manuals

Others are doing an excellent job in recording other aspects of the history of broadcasting. As we find them, we'll add links to them. This site consists of scanned manuals and catalogs of broadcast equipment. This page started in 2002.In October 2005, the site was changed from hand coded HTML to a wiki. In June 2014, this was migrated to a new server and an updated wiki code set. Because of severe issues with wiki spam, only registered users can edit the pages. If you have a scan you'd like posted, please mail it to me, and I'll post it. Partly government owned, it provided Australia's coastal wireless services and overseas radio links. A lot of its domestic and professional products were closely patterned on RCA designs. Broadcast stations ended up with these in their government supplied fallout shelters. About 1915-1916. Appears to be predecessor to Sonomag Corporation A small collection is detailed here. Broadcast stations ended up with these in their government supplied fallout shelters. Warehouse Sound was based here in San Luis Obispo. They were quite successful during the days of Fair Trade laws, where manufacturers were allowed to set the retail prices of their products. These were generally state laws and did not apply to interstate sales, which many mail order sales were. Warehouse Sound was sold a little before the disappearance of the Fair Trade Laws. This is the 1974 Professional Products catalog. It runs 610MB, so be patient. Another catalog is available here. A collection of papers on technology. Quite a few early papers on AM, FM, and TV. The main focus is on professional reel to reel magnetic tape recorders but other recording devices such as tape cartridge machines, magnetic drum recorders, disc cutting and replay equipment are also covered. The collection inclues equipment, manuals, advertising material and accessories including mic preamps, line amps, mixers, power amps, limiters, volume indicators, program failure alarms, etc.http://ankurgroups.com/userfiles/brandt-freezer-instruction-manual.xml

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The two criteria for inclusion are that the equipment was made in Australia and that it was used in the recording or broadcasting industry or was used in a commercial setting such as a lift announcement unit. Manuals for consumer, broadcast, communications, and test equipment. Extensive collection of tube manuals and books on design and troubleshooting. Some broadcast manuals. He has also provided several manuals for this site. He does a great job cleaning up the images. This includes old magazines, catalogs, ham radio stuff, railroading or anything else that strikes my fancy.Includes sections for consumer audio, pro audio, old radios, ham radio, test equipment, military electronics, and transformers. Manuals include transmitters and exciters Has an extensive collection of text books on vacuum tube electronics. Also, some manuals on old broadcast equipment. Ideally they'll scan them andmake them available. Meanwhile, tidbits are available here. These include documents on early AM and FM broadcasting, and the Radio Service Bulletins from 1915. Note that apex stations referred to on this page used amplitude modulation on VHF frequencies; many of them evolved into FM stations.Many articles and an extensive list of links to other broadcast history sites. The original idea for the museum came in 2004, when Harry Pappas, owner of the original KTRB property on Norwegian Ave in Modesto, contacted Wes Page, Cecil Lynch and Cal Purviance with the idea to build a museum dedicated to preserving the history of commercial broadcasting in Modesto, and the area, beginning in 1933 when KTRB signed on the air in Modesto. The goal was to increase and preserve the knowledge, understanding and appreciation of their efforts and the equipment they used. Due to economic conditions, the museum is currently on the web only. The goal is to shed light on your questions, and clear up some myths. Photo tours and histories of many statons.http://cqslan.com/upFile/image/20200829/brandt-frost-free-freezer-manual.xml

More than anywhere else in the world, radio found an easy home here, conquering vast distances of ocean, and connecting the scattered islands with each other in much the same way early Polynesian seafarers used the sea itself as their main means of communication. Concentrates on New Hampshire, major stations in New England and the Northeast, as well as other selected early broadcasters. The history page links to several dozen broadcast history sites. Includes radio magazines from the 1920s forward, links to camera tube datasheets, links to historic broadcast patents, etc. This web site was created to be a non-commercial repository of historical information and photos documenting the early years of radio broadcasting in the United States. A substantial portion of the site is dedicated to the history of broadcasting in the San Francisco Bay Area. Concentrates on the training required and job opportunities. One interesting image is how amplification works. They show the image of a waveform, then show it amplified. But, the amplified waveform appears to be just an enlarged image of the original, in both the X and Y axis. So, the amplification appears to make the amplitude larger and the frequency lower. Site has nice images of televisions back to 1928. Has images from a Baird mechanical receiver. Lotsa stuff! The article also details the battle between CBS and RCA for the color television standard. Since then it has expanded somewhat to over 1500 pages and 2400 pictures and, in November 2008, we celebrated our tenth birthday. It is especially for those who collect the more obscure, unusual, and sometimes just plain hard-to-deal-with things, such as large format VTR's, film chains, switchers, studio cameras, terminal equipment, and even transmitters. Television oriented including history of translators, TV channel 1, studio equipment, telecine, satellite, video recording, cable television, etc.

Biographies include Klaus Landsberg, Harry Lubcke, John Logie Baird, Vladimir Kosma Zworykin, Paul Gottlieb Nipkow, Fondazione Guglielmo Marconi, and Charles Hallinan. Besides 3D, has documentation on wide screen, stereo sound, etc. Largely ads for movies featuring these technologies plus ads and articles on the technology. In particular, the study of electrical engineering with regards to the development of the New Brunswick and Bolinas radio frequency electrical substations and future technologies latent in their design. Numerous videos. Links to other maritime radio information (Radio Operators Association, etc.). The California Historical Radio Society (CHRS) is a non-profit educational organization founded in 1974 to promote the preservation, restoration, research and publication of early radio and broadcasting history. CHRS publishes an excellent journal. As such, the Museum plays a unique role in the history of the computing revolution and its worldwide impact on the human experience. Site has nice images of televisions back to 1928. Lotsa stuff! Transmitter site in Bolinas CA. Receive site in Pt. Reyes Station CA. We're a bunch of radio squirrels. And very lucky radio squirrels at that. We inherited the last remaining Morse code coast station in North America. It was off the air but it was an intact time capsule. That was back in 1999 - the year the last commercial Morse code message in the U.S. was supposedly sent. And we've never looked back. Our area of specialization is the coast stations, ships and companies of the west coast of the United States. But anything to do with maritime radio anywhere in the world is of interest to us. That work is the foundation on which the real goal of our project rests. That goal is to assure that the culture, techniques and traditions of the men and women who came before us are not forgotten. We feel that the best way to achieve that goal is through actual on the air operations.

The original idea for the museum came in 2004, when Harry Pappas, owner of the original KTRB property on Norwegian Ave in Modesto, contacted Wes Page, Cecil Lynch and Cal Purviance with the idea to build a museum dedicated to preserving the history of commercial broadcasting in Modesto, and the area, beginning in 1933 when KTRB signed on the air in Modesto. Due to economic conditions, the museum is currently on the web only. The museum is part of the whole Bletchley Park experience, and all visitors to the park can visit the museum free of charge when it is open. The museum houses the Colossus computer, an exhibition of the most complex code cracking activities performed at the Park, and enhances the Park visitors' experience by continuing the history of the development of computing from the 1940s to the present day. THG has museums in Denver CO and Seattle WA. When you visit the Texas Broadcast Museum in Kilgore, TX, you’ll be amazed at the vast amount of memorabilia and vintage equipment we’ve collected over a lifetime. From the TV cameras and televisions to the radio equipment and vintage microphones, plus much more, it’s a fun and nostalgic walk down memory lane. There’s even a working radio studio where you can get a feel for what it must have been like to be a disc jockey in the past. Includes links to pages on California Highway Patrol radio history. Original courtesy of Tom Friedman. 8.756M Dedicated to the preservation of over a century of audio history, the Committee is developing a broad-based history of audio engineering and the audio industry. AES membership is encouraged but not required. Early units were vacuum tube with 1.4V A battery and 90V B battery. Later units were transistor based.A play only videodisc system that used grooved discs (like phonograph records). However, instead of varying the depth and horizontal position of the groove, a conductive underlayer varied in height under the groove.

The varying distance between the stylus and the conductive underlayer varied the capacity between the stylus and the underlayer. This is similar to a very high frequency capacitor (condensor) microphone. This study uses secondary historical sources in addition to manuscripts, technical documents, interviews, photographs, examinations of artifacts, and descriptive statistics to draw together a history of magnetic sound recording in the United States. Since then it has expanded somewhat to over 1500 pages and 2400 pictures and, in November 2008, we celebrated our tenth birthday. As it dug deeper into the film, the width of the opaque material on the film that was cut away was increased. This is an interesting combination of mechanical recording (like a standard phonograph) and optical playback (the same as analog optical sound on photographic film. Traces sound and video recording from tin foil cylinders, plastic disks, magnetic recording, and optical recording. Has info about Webster Chicago. I have one of their wire recorders. Also mentions Harold Lindsay of Ampex. Mr. Lindsay installed the stereo in my parents' home. hh The link was covered with 8 hops.Includes the invention of the transistor, Shannon's Law of information, invention of CCD, etc. These pages are a history of the car telephone as used by the Bell System and its affiliates from the beginnings in 1946 through the end of IMTS telephone product production, although many IMTS car telephone radio systems continued on the air through the late 1990's and some are still on the air in Canada and Pennsylvania. Links to some videos including one by Western Electric on the ESS. Photos of a bunch of telephones through history. ITPA represents over 9,000 telecommunications employees and retirees nationwide. Today Pioneers continue to open exciting new lines of communication and community service throughout the United States.

I'm Adam Forrest, and I like telephones, especially the Western Electric telephones of the fifties, sixties and seventies. Although I'm a computer programmer and web designer now, I spent the bulk of my younger days learning about, and then installing and repairing telephones and small PBXs. This site is a collection of some of the things I enjoy looking at, I guess it's sort of a telephone collector's blog. I hope you enjoy looking at these phones too Extensive collection of customer premises equipment, central office equipment, and outside plant. More photos available here. Vacuum tubes are replacing high frequency alternators for wireless telegraph transmission. Describes the introduction of water cooled tubes. Speculates that power may be transmitted by radio instead of wires. Shows manual switchboards, step, crossbar, panel, and ESS. slideshow Also a payphone number database. Most recordings made in the 1960s and 1970s. Features old telephone advertising and other nice info. Strowger switch patent 447,918 See especially the bottom of the home page for audio recordings of various step offices. Submit message over web site. It's printed on a Teletype and mailed. An EXTENSIVE history of the telegraph by Dr James B. Calvert at University of Denver. Promotional film for Western Union Telegraph Company, featuring its history, current practice and emerging technology. Pictures Western expansion; railroads; early hand telegraphy and telegraph keys. Shows telegraphy of service in business, to families, to government, in natural disasters (floods and fires) and in the commodities market. THG has museums in Denver CO and Seattle WA. Shows a cutover to a new step exchange. The technology of telegraphy, including multiplexing, switching, transmission, etc. Introduces the newly adopted ASCII code Site includes video of the assembly line building these radios in 1955.

The Apollo AGC itself is a piece of computing history, it was developed by the MIT Instrumentation Laboratory and it was a quite amazing piece of hardware in the 1960s. It was the first computer to use integrated circuits (ICs), running at 1 Mhz it offered four 16-bit registers, 4K words of RAM and 32K words of ROM. The AGC mutlitasking operating system was called the EXEC, it was capable of executing up to 8 jobs at a time.Includes the invention of the transistor, Shannon's Law of information, invention of CCD, etc. They have more than 830,000 pages of scanned computer documents in their archive. Also, links to other historic computer sites. As such, the Museum plays a unique role in the history of the computing revolution and its worldwide impact on the human experience. Computerworld, February 20, 2006 June 1, 1946. Detailed description of the ENIAC. Many are US Army photos. Documents from the home of the ENIAC -- The U. S. Army Research Lab. Documents from the home of the ENIAC -- The U. S. Army Research Lab. Excellent info at Stanford University. See, especially Historical Publications for documents showing the history of cryptography from pre-WW1 through the Viet Nam war. The museum is part of the whole Bletchley Park experience, and all visitors to the park can visit the museum free of charge when it is open. The museum houses the Colossus computer, an exhibition of the most complex code cracking activities performed at the Park, and enhances the Park visitors' experience by continuing the history of the development of computing from the 1940s to the present day. In particular, this history of The Source is interesting since I (HH) used this before I had a computer. I built a 300bps modem and connected to The Source with a Lear Siegler ADM-1 terminal. They had an MC6800 cross assembler on the system I used to develop my first microprocessor based product. Remember the Altair. The PET, the VIC-20. The PDP-8?

Information from these links includes product descriptions, catalog numbers, pictures, prices, operations, hardware, software, etc. A computer made with relays (used as gates, flip flops, ALU, etc.). In that timeframe we’ve added hundreds of pages of unique material specifically developed for those interested in the history of the transistor. In these past 14 years, all areas of the Museum have been expanded, including Oral Histories, Photo Gallery Pictures, Acquisitions and Donations, Photo Essay Research Articles, Construction Projects, Timeline of Transistor History, and many other areas covering topics important to transistor history. Includes the Knight Kit Wireless Broadcaster Includes the invention of the transistor, Shannon's Law of information, invention of CCD, etc. Hearing aids have changed over the years. In the past fourteen years it has evolved to an international organization with members in 22 countries. It is noted for its highly acclaimed Journal of the Oughtred Society, For example, an oral history describes the development of the 2N2222, which was released in 1962 and is still being designed into products today. Projects include several based on zinc negative resistance, copper oxide thermo electric generator, magnetic amplifiers, an 80m transmitter built around a 2N3904, an alcohol flame triode amplifier, home made CRT tube, arc transmitters, home made coherer, home made vacuum tube triode, sound modulated LED, laser, and flashlight, etc. Fun stuff! The Telharmonium was intended to be listened to using telephone receivers. Just supply the patent number. If you have a scan of a manual that you'd like posted, please email it to me. Ideally, they should be PDF files using 300dpi. Use an appropriate bit depth for each page. If a page is just text or line art, use 1 bit per pixel. For black and white photography, use 8 bits per pixel. For spot color, try to use 8 bits per pixel. For full color, use 24 bits per pixel. The user sees the scanned image.

The OCR text is available to copy and paste and to search engines. If you find appropriate information on another website, it'd be best to link to that site instead of copying material from it (especially without permission). Some of the material on this site may still be under copyright. Use of material here is intended to be fair use allowing researchers to study the history and evolution of broadcast equipment. If, however, you hold the copyright on material on this site and you would like the material removed, please let me know. The material will be removed immediately. Most VHF transmitters were limited to about 5 KW peak visual power and about half that power for the aural. The General Electric Company built one of the first really 'large' high band amplifers that would take the 5 KW of an early RCA, Federal or GE TT-6 and bring it up to a full 50 KW peak visual and 26.5 KW FM for the aural. This amplifier was very popular and this basic design was in use until GE retired from the transmitter field in the late 1960's. Only the tubes and a number of parts were updated. The TT-35 series (of which this amplifier with a TT-6 driver would make) stayed in the field for many years. Notable stations used the TT-35 package. WHAS-TV and KSL-TV are but two of those notable stations. (KRNT-TV, now KCCI, was another.) This type of tube was used in the power amplifier of KCCI's first transmitter, installed in 1955 and relegated to backup service in 1974. The rig was retired in 1985, when the station's original building was vacated. There were four of these tubes--2 visual, combined for a total output of 50 kilowatts, and 2 aural, running at less than their rated output for a total of 26 kw. This manual came to me from my late great-uncle, Herbert Diedrich. I wish the radio had come with it. RCA issued an instruction sheet giving instructions for their care and handling. Thanks to Charles S.

Fitch, PE, who sent us paper copies of the 5820 datasheet and orthicon care document! In particular, look for these camera tubes: RCA 5826 image orthicon. Similar to the 5820, but more sensitive. Primarily for studio use. RCA 1848 iconoscope. A very early monochrome camera tube. Iconoscopes were the first practical camera tubes, dating back to the 1930's. RCA 1850A iconoscope. A slightly later version. RCA 5527 iconoscope. A somewhat different type of iconoscope, with a long, slender tube. RCA 6198 vidicon. An early (1953) vidicon, intended for industrial and film pickup applications. RCA 6326A A slightly later (1956) vidicon, with greater resolution than the 6198. RCA 6474 image orthicon. An early (1954) color image orthicon. Most likely the first tube type used in the RCA TK-40 and TK-41 color cameras. RCA 7037 image orthicon. A later (1957) color image orthicon, using far less light than the 6474.My grandfather, Alvin Kline, owned one which is now mine. My brother Steve and I loved to go down to the basement when we'd visit our grandparents, and spend hours just listening to the WWV time signals. This is a scan of a copy of the NC-121 manual, as I didn't have access to the original at the time. I now own an original copy of the manual, and will scan that as time allows. Datasheet issued in 1956. This datasheet was issued in 1963. This manual is for the octal version. For Pro's and Amateurs Alike! News, articles, research info, buy and sell and more! Absolutely Ginormous Site of all Things Radio I always had a fascination with Sparta equipment and own quite a few pieces.The console overall drawings are made from Since these are drawn from my consoles and were done by simply tracing wire numbers or continuity checks, there could be errors in the schematics.But, these overall schematics shouldSome of the electronics were drawn by removing cards from my consoles and scanning and then carefully drawing them in CAD and ExpressPCB.Use caution.

As I do further restoration work I will continue to add additional schematics or updates. I am also short on Sparta cart machine manuals. There are also some transmitter types thatAnyone got a schematic for the 720B or 700 low power AM transmitters. Or any of the Spartamation equipment. Please note, some information may be out of date. Driver External Digital Audio Recorder Tape Recorders Stereo Phono Preamplifier Studio Tape Recorders Audio Buyers Guide (1968) Foundation and Discussion (2002) Amplifiers Power Amplifiers (brochure) Studio Monitor Two and Four Channel Production-Mastering Recorders Long Play Tape Reproducer Solid State Tape Recorder Tape Recorder) Master Recording. Please use the menu above to navigate through the site. You may also arrive at this page if you're using proxy software or servers or if your connection has been blacklisted. Broadcast Electronics has the studio tools to manage it all, one customizable, expandable and adaptable platform. Check our solutions RPU (Remote Pickup Units) and STL (Studio Transmitter Links). We'll assume you're ok with this, but you can opt-out if you wish.Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. It is mandatory to procure user consent prior to running these cookies on your website.

Up to 80kW of soft, clean and crystal sound for your Radio Station TEKO Broadcast Distributor of main brands of Broadcast Equipment See on the follows links related products surely of your interest: The power supply plug-in modules can be safely removed from the front panel without interrupting the transmission. GatesAir personnel with a long history of broadcast innovation and expertise are ready to help you with both day-to-day requests and unexpected issues. Technical support engineers and technical specialists are standing by to assist you with your broadcast productFor emergency situations, product support is available 24 hours a day, 7 days aStaffed by expert engineers and technicians, our process includes testing your equipment using original factory test procedures. Our goal is to make these manuals available via on-line download and, eventually, via CDrom for all CCA members.Acrobat Reader can be downloaded for FREE via Adobe’s web site. Once you’ve downloaded and installed Acrobat Reader, you can click on any of the CCA’s.pdf file links below to view, save or print the document. Once you’ve downloaded and installed Acrobat Reader, you can click on any of the CCA’s.pdf file links below to view, save or print the document. Such documents include, but are not limited to, product manuals, schematics, test methods, service bulletins, advertising materials, product catalogs, maintenance information and other technical and product information related to Collins amateur radio products.” Rockwell extended our license agreement in 2001 to include all Collins Commercial and Military equipment that can be used for amateur radio purposes. To minimize your download time, we suggest you check the “Table of Contents” files (TOC) first to see which sections of a manual you need and then download only those specific sections. A few manuals are also available for download as one large file. Login Register Site by Scott Kerr KE1RR TrackerSoft, LP.

I have divided files over 50 mb into multi-part archives. I have provided those archives in two formats.They vary greatly in quality depending upon the source of each scan. In order to expand this collection I would appreciate receiving contributions of Dayton manuals, especially as raw scan images, via email In the 2002 version (including test sheet for a Pulsar 1000 on 1490) I have added some notes in red concerning later changes in the circuitry. Note also that the 2003 version is not my scan - it was previously available online but is no longer available from the original site so I have posted it here.I have corrected many problems, but some page images were badly skewed and cropped, and some pages are missing. Using both manuals together may help to overcome some of the problems with the 5575B manual. Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Product Registration Register your professional products with Sony services and receive product news, updates, offers and more. Professional Spare Parts Use only Sony genuine spare parts to prolong the health of your Sony professional product. Professional Product Repair Enjoy peace of mind with our reliable, cost-effective repairs - supported by our multilingual helpdesk specialists - making it a stress free and simple process. Pro-Assist Subscribe for our Professional After Sales Service Information System and get access to service manuals, bulletins and more. Video Security Support Contact Bosch for support on video security products and services. Professional Services Portfolio PrimeSupport service contracts Get access to expert engineers, dedicated maintenance and repair services with our service contracts.

Training Services Explore a wide range of learning opportunities on operation and administration of our products and a number of key technologies. N? Es01-022. N? Es01-E021If transient overvoltages, due to electric motors, or other devicesIt is necessary to connect a differentialIn absence of such specifications, maximum allowable. Sound Broadcast equipments.C), it is obligatory to install a forced cooling system that will keep temperature below its upperAmbient relativeIn case of absence of thisThis maintenance willIn the event of any important change in someEquipments must be connected to ground system so that they can be kept out of mainCustomer. This Warranty covers and protects, during a period of 18 months after start of operations, allIn this case, O.M.B. Sistemas Electronicos, S.A.Customer. Otherwise, this Warranty will be automatically voided. This Warranty is self-activatedIf such Document is not received, this Warranty will beO.M.B. Sistemas Electronicos, S.A.Sistemas Electronicos S.ATechnical Manual - v1.1 - February 2006Sistemas Electronicos S.ASistemas Electronicos S.AMainsA protective-ground connection by means of the grounding conductor inEquipment must be connectedDo not operate theAfter power is removed, allow sufficient time for theAlways use discharge stick when available.Technical Manual - v1.1 - February 2006Sistemas Electronicos S.ACheck the victim for unresponsiveness. If there is no response, immediately callStep 2. Position the person flat on their back. Kneel by their side and place one hand onTilt the head back and lift the chinLook and listen for breathing. Step 3. If not breathing normally, pinch the nose and cover the mouth with yours. GiveStep 4. Put the fingertips of your hand on the Adam's apple, slide them into the grooveFeel for a pulse. If you can not feel a pulse or are unsure,Technical Manual - v1.1 - February 2006Sistemas Electronicos S.APosition your hands in the center of the chest between the nipples. Place oneStep 6.