Ef80 tube pdf viewer

Neumann u47, u48 and u67 microphones were originally used by the beatles for their 1960s concerts and recording sessions. Triode, usa customer service mf 9am4pm ct 18007743201 email us anytime. Feb 15, 2015 run the tube with an elevated filament for a brief period to hopefully burn off the contamination. Its an interesting read since the text is accompanied by references and also features some. No loss as the tube is currently not usable but could become again. Ef80 0 self contained flake ice maker ef80 0 self contained flake ice maker air cooled please note. Ef80 6bx6 pentode strapped as triode 0,00 5,00 10,00 15,00 20,00 25,00 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 ea v ia ma 2,5 watt total pd opyleft 052005 by tom schlangen 0v1v2v3v4v5v6v7v8v9v10v example characteristics at.

The system assigned numbers with the base form 1a21, and is therefore also referred to as the 1a21 system. Tube ef 80 or rohre ef80 id, vacuum pentode, noval, b9a and rfif stage shown. Its packed with all the tools you need to convert, edit, and sign pdfs. Instruction manuals pdf files and software can be downloaded from the canon web site p. In this case i started out with the ef6 in triode mode as a driver, followed by ef6 in pentode, to. Ef80 with g3 as modulation grid is not possible based on the. A different construction of the classic el34 tube that offers a different tonal palette than the original. Eimac power grid tubes quick reference catalog 175 pdf. Ef860 ef80 pentode em80 tube 6dj8 tube em84 tube el500 ecl86 1t4t ecc189. Canon offers a wide range of compatible supplies and accessories that can enhance your user experience with you ef 80200mm f4. Ef80 with g3 as modulation grid is not possible based on the available data. Ef806s audio pentode ef86 replacement valve tube guitar amps.

I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962 complete tube data is in. The first numeric character indicated the filamentheater power rating, the second alphabetic character was a code for the function, and the last 2 digits were sequentially assigned, beginning with 21. Nos tube museum quality ef800 telefunken west germany very low noise clear, accurate, detailed, long life version of the ef80 6,800 100% these tubes tests 6,000 or better most 102% serial number. Extension tube ef 12 ii is especially suited for closefocusing with wideangle lenses. Work on documents anywhere using the acrobat reader mobile app. The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. Maintainsmetering and focusing operation with most canon lenses. In all cases, the exact parameter values will be read from the data file itself. Do not look at the sun or a bright light source through the lens or camera. The lens length is measured from the mount surface to the front end of the lens. Aug 28, 2011 single vacuum tube radio with circuit diagam operates on a 12v to 25v htlt supply duration. The jj el34 ii is stronger than the original but not harsh sounding in any way.

E80cf7643 amperex pq telefunken 6bl8 substitute the e80cf is a special quality mediummu triodepentode. W hat started out as a classic single ended design transformed into a very good amplifier. View and download everfocus edr810h insruction manual online. Please see the substitutes at the top of the page for more details. Whether it is attached to the camera or not, do not. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes.

The ef86 is a high transconductance sharp cutoff pentode vacuum tube with noval b9a base for audiofrequency applications it was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Best quality tested on stateoftheart amplitrex at digital tube test system. You can attach extension tube ef12 ii or ef25 ii for magnified shots. E83f philips 6689 long life, 0 hours, low noise pentode golden pins the e83f was used in telefunken v76 microphone preamp and many german studio amplifiers. Capacitor input f 50 hz u tr eff 2x250 2x350 2x450 v r t 2x150 2x230 2x310. Description all tubes new in factory box, tube have gold pins. I would test with just the higher, closer to bogey values suggested previously before trying this technique. Because there is no automatic gain control the ef80 is straight, there is a manually adjustable attenuator p1 between the antenna and the first tube.

Vacuum tube 6686 e81l, pentode, power amplifier antique. While the e80f pentode was a high quality development of the ef80, they were not. Thanks for the document is it possible send it to me as png or gif file, since i cant processing pdf files. I 160 150 100 ma c 50 50 50 f u 245 352 497 v choke input f 50 hz u tr eff 2x250 2x350 2x450 v i 180 180 150 ma l 10 10 10 h u 199 288 378 v limiting values. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. Reader dc or other adobe pdf viewer most recent version recommended is required. Ef80 6bx6 nos siemens halske tube for darkvoice 337s ebay. The ef80 internally screened pentode was a workhorse of the vhf tv. Close manufacturing specification tolerances and improved processing provide improved reliability and. With acrobat reader dc, you can do more than just open and view pdf files. Ef80 tube pdf vacuum tube ef 80 6 bx 6 pentode v 10 ma number of pins. Each ef806s is tested by us n our avo tester to ensure you receive a good quality valve. Tube ebf 80 or rohre ebf80 id720, double diodepentode, noval, b9a and rfifstage shown. The ef80 internally screened pentode was a workhorse of the vhf tv receiver and was introduced in mid 1950 to replace the ef91.

With a classic design i mean a smaller valve for voltage amplification and a power valve driving the output transformer. It is very similar electrically to the octal base ef37a and the rimlock base ef40. The us number for the ef806s audio pentode is 6291. For shooting distance and magnification, see the extension tube specifications. Spice models for vacuum tubes using the utracer ronalds. Actual tubes were tested on the stateoftheart amplitrex at electron tube test system. Tube ef 50 or rohre ef50 id2497, vacuum pentode, loctal9pin b9g and. Run the tube with an elevated filament for a brief period to hopefully burn off the contamination. Z the arrow near pin 7 indicates the viewing direction.

This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Unlike many pentodes it was designed specifically for audio applications. Svetlana ef86 highperformance audio smallsignal pentode t. Many industrial, military or otherwise professional tubes were also produced. Canon extension tube ef 12ii get a little closer with this canon extension tube. This is a suitable replacement for any ef86 tube type.

Data and circuits of television receiving valves acrayara. The thin glass tube envelope is 20 mm diameter and excluding the b9a base pins. Single vacuum tube radio with circuit diagam operates on a 12v to 25v htlt supply duration. Selection chart of mullard preferred valves, tubes and semi conductor. Looking at the sun directly through the lens is especially hazardous. Also see 7643e80cf mcintosh mr67 tuner to buy 7643 amperex. Its easy to add annotations to documents using a complete set of commenting tools. Nos tube museum quality ef800 telefunken west germany very low noise clear, accurate, detailed, long life version of the ef80 6,800 100%. Tube ef 80 or rohre ef80 id709, vacuum pentode, noval, b9a and rfifstage shown. Our preferred method of payment is via wire transfer of funds. It was introduced in the late 1950s and was produced by philips, mullard, telefunken, valvo, and gec among others. Svetlana ef86 highperformance audio smallsignal pentode he svetlana ef86 is a glass envelope miniature pentode intended for highquality audio preamplifier service. The ef806s audio pentode, ef86 replacement from jj electronic is a brand new replacement for the famous ef86 from the 1950s and 1960s. Russian nos ef866267cv2901 these are old military production from the 1970s and are no longer being made.

Nos museum certified nos 1960s telefunken quality diamond gray shield telefunken nos ef800 for microphones best quality tested on stateoftheart amplitrex at digital tube test system. The ef80 was much used for rf, intermediate frequency, and video amplification. Phils music and educational physics projects 37,646 views 1. Sealed enclosure sealed box responses from top to bottom at 10hz. Also see 7643e80cf mcintosh mr67 tuner to buy 7643 amperex e80cf7643 amperex germany pq nos made by valvo hamburg germany original boxes 19611966 recommended pairs e80cf philips miniwatt sq pinched. Noval content 1 pcs now buy online with ease from, your online. This tube has a more compact plate structure than standard el34s. Spice modelling of vacuum tubes has already a long history. Only a few types are still used today, mainly in highpower, highfrequency applications.

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