Diy vacuum tube valve amplifier projects hifi audio. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a. Western specialist,with out too much real knowledge,trying to convert russian terms and data under western terminology and it cause the big problems. Ive seen plenty of circuits that used power tubes as regenerative detectors. Y mr perque amplifier this is new pcl86 ul connection push pull amplifier. Not so highgain 7199ecl86 amp telecaster guitar forum. Stereo vacuum tube audio amplifier this simple stereo vacuum tube amplifier is using ecl parallel or pcl serial tubes. I havent thought of that idea, but i think it would work fine. Data book 196566 j j 1a sum mullard pocket data book 196566 edition 65 woisia. Class, va, vg2, vg1, ia, ig2, ra, s, rk, zout, pout, thd. Unfollow el84 tube amplifier to stop getting updates on your ebay feed. Despite this drawback, the pcl82 was very often used as af tube used because there was no alternative until it was superseded by the pcl86. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube.
A point structure representing euclidean xyz coordinates, together with normal coordinates and the surface curvature estimate. The clean output power from the 6em7 set amplifier is 2. In general, the models produced in the late 70s and early 80s of last century were already mixed transistor tube devices. The latest project from bruces workbench is the groovewatt, a tube riaa phonograph preamplifier design.
This is a list of european mullardphilips vacuum tubes and their american equivalents. Tube pcl 86 or rohre pcl86 id3434, triodebeam power tube, noval, b9a and audio. Pcl86 14gw8 ei yugoslavia triodepentode, all same codes 100 pieces, superior sound, specially in resolution and treble to any current production pcl86 ecl86 14gw8 6gw8. The preamp uses a solid state ht power supply and dc for the heaters. Reference data for radio engineers, international telephone and telegraph corp. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. Its not always possible to replace an exx tube by an adequate pxx or uxx tube. Pcl86 single stereo power amplifier kit tu8100 if youre looking for a replacement for an exx tube by a pxx tube you have to refer to a tube data book. The pentode section does not have an audio output rating as one would expect. As for resistor r1, start with 2 3 ohms, 1 2 watts, then vary r1 to adjust to 0. This amplifier is equipped with 2 line input terminals as the highsensitivity stereo mini jack front which can be directly connected to a portable music player as well as the normal pin for line in rca jack. The pcl86 was the series heater chain version of that work. We also have a later pcl86 exhibit with the 1970 stylised logo. Pcl86 14gw8 ecl866gw8 they come with the amplifier as standard equipment.
In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. See more ideas about valve amplifier, vacuum tube and circuit diagram. Russian tube data are correct,interpretation of data is usually incorrect,or misunderstood. Please give your contribute add a tube to this list. Vacuum tubes like pcl82, pcl84, pcl85, pcl86, ecl82, ecl84 or ecl86 can be used. Matt describes the design and construction of a 6em7 singleended triode set amplifier. With almost datasheets and the visitor counter indicates over 4000. For musicians use and to promote sag, the two output diodes may be replaced with a ez80 or ez81 rectifier valve, although you should also provide it with its own extra vt1036 heater transformer to avoid a large voltage difference between the cathode and heater i. The pcl86 as a single ended audio amplifier would have a cathode resistor of 125. Pcl86 14gw8 ei yugoslavia triodepentode, all same codes 100 pieces, superior. I foreword the milliard pocket data book is presented so as to provide easy reference to the valves, cathode ray tubes, semiconductor devices and components in the mullard. Pcl86 electron tube belongs to a group called tv tubes tubes used in tv sets produced in the last tube tvs. I recently acquired a vintage spring reverb tank gibbs 4fb2a1c, so i began to look around for a circuit to drive it and found this.
This pcl86 was made in the uk by mullard and was designed for the audio stage of a television receiver and offered a quality output. All tube data there is, including gain, gm, plate impedance, grid leakage, etc, and compare it against must be values. This particular 269jx does shoot very high on output voltage. Gain is 45 db, sufficient for use with a high output mc cartridge. The 14gw8 is a triode power pentode tube that was originally developed as an audio output tube for tv sets in the 1960s. A wonderful reference for anybody designing equipment with vacuum tubes. Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme special quality variants may have the letters sq appended, or the device description letters may be swapped with the numerals e. Since i already had a couple 6au6s and 12ax7s lying around i figured it might be worth adapting the circuit to use those tubes. It is used in the power output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. Also interested in ecl86 similar nos, for reserve purpose. The type 955 triode acorn tube is a small triode thermionic valve vacuum tube in usa designed primarily to operate at high frequency. The pcl85 was used as frame output valve on monochrome tvs and occasionally itt cvc5 chassis colour tvs. This is a compact single stereo power amplifier kit with multiunit tubes for the audio equipment pcl8614gw8.
Russian book usually very clearly says what is data presented in the book. The following list shows the tube types i have entered in my database, with exception of the service types e. The el84 is a thermionic valve of the power pentode type. They contain preamplifier triode and power pentode in one tube. It uses a pretty specialized tube, a pcl86 which is a pentode and triode in one tube.
The singleended 6em7 ampifier is housed in a vertical wooden chassis styled after early tube equipment of the 1920s. The data sheet for the pcl86 goes to great lengths to disguise the fact that this tube is an ecl86 and can be used for audio. If youre looking for a replacement for an exx tube by a pxx tube you have to refer to a tube data book. If you operate more then one pcl86 in parallel, then adjust to 14 v heater voltage. Possible very close matching thanks to big number of same tube construction and identical codes. Its a 2007built one before they added the 125v primary input. The disturbing world of the psychopaths among us and ronsons the psychopath test. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 68 mm tall. Purchase 14gw8 pcl86 vacuum tubes online, in stock and ready to ship. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. See more ideas about vacuum tube, tube and valve amplifier. I have just picked up a box of telampolam nos pcl86 tubes i got 40 for \\\ total these are essentially an ecl86 with a 14volt heater.