This 1960s sylvania 5r4gyb rectifier tube has a tall bottle, smooth black plates, and a side o getter. Decided to order the ruby and it was perfect in both sound and feel. The tube has a straight sided t12 envelope and higher current ratings than the 5u4g. The only difference compared to a vintage brimar is a slightly higher peak inverse voltage at 1400v in stead of 50v for the 54. Whats the difference between the 5u4, 5u4g, 5u4ga, and. I have a pair of nice monoblock 300b tube amps chinesemade, p2p wired, really nice sound. Russian tube 5c3s is a quality equivalent of the 5u4g. If any electricity gets across that little gap between those two pins you can kiss the tube, the socket and possibly your power transformer. This 5u4g tube is brand new nos in original uk military box, and was made at the thorn factory made in the 1950s we only have one piece in stock shown in the picture withd. Ive been researching suitable replacements and purchase a pair of nos rca metal 5z4 rectifiers. If you cant find what you need here, try duncans tube data sheet locator. I put a jj 5ar4 in it and didnt like it at all it was harsh sounding and stiff. It is virtually identical, electrically, to the older fourpin type 80 tube, but with an octal base. The 5ar4 and gz34 is an indirectly heated cathode tube which means it takes longer to warm up.
The 5r4gy is a high voltage power rectifier and was designed for transmitter use. The 1959 book lost some older tube data, and some of the good info in the appendix, but gained a bunch of picture tube crt data, modern tv tubes, as well as. This is a suitable replacement for any gz325v4gcv593 tube type. One kenrad 5u4g rectifier tube 1947 tested perfect hanging filament for sale, low hours. Psvane acme supreme series 274b vacuum tubes single psvane acme supreme series is created with the intention to top the tube world, be it nos or new production. Made jan joint army navy tubes have passed the most stringent of tests uncle sam could require from a manufacturer. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Tube 5u4g or rohre 5u4g id3352, fullwave vacuum rectifier, octal int.
I like jj for power tubes but the ruby is perfect for the rectifier. If you make this connection you will have a 700 volt potential difference on those two pins, depending on the set of course. 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. Lets find out what is new about this supreme series as factory announced in their september 2018 debut at more info. Electroharmonix sound effects are world renown for the soulful warmth of their analog sound and their line of eh premium tubes continues in this tradition of classic tone. Electroharmonix 5u4gb eh vacuum tube parts express. Raytheon rk 65 rk 65 5 d 23 transmitting tube data booklet. Tube 5u4gb or rohre 5u4gb id3775, fullwave vacuum rectifier, octal int. Common tube rectifiers developed in the 1930s and 1940s such as usa types 5u4, 5r4, 5v3, weco 274b etc, and u. Just make sure you do a very very very good job of soldering on pins 4 and 5. The 5ar4 and gz34 is an indirectly heated cathode tube which means it. Electroharmonix sound effects are world renown for the soulful warmth of their analog sound and their line of eh premium tubes continues in. This 1950s cbs 5u4gb fullwave rectifier tube black plates and dual getters. The 5y3 is a mediumpower directly heated fullwave rectifier vacuum tube introduced by rca in 1935.
It has found wide use in tube radios and early guitar amplifiers of the fender champ type. The plate voltage in the ranger i runs around 550, with solid state rectifiers a bit over 600 volts on the modulators and 6146. European rectifiers such as the legendary u52 are all what is known as filamentary cathode or directly heated types. Philips jan 5u4gb fullwave vacuum tube rectifier, an ideal choice for all tube amplifiers. Crystallized carbon grey coating inside the tube only on el34, kt88, 300b, 2a3, cv181 aka 6sn7 more info.
However the stock 5z4p rectifier tubes are starting to go. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. This 1960s ge 5as4a tube is an uprated 5u4gb tube type. Electroharmonix 5u4gb eh vacuum tube electroharmonix is rocking the vacuum tube community with the superior quality of the eh series tubes. Tubes in the tube column are directly replaceable with tubes in the replacement column. We do not know these differences as the 3bs2b tube data is not available. It is commonly assumed that the russian 54 5u4s rectifier is equal to the western 5z4g, and its true.
The improvement and modification of tii series compared to the previous tseries include. According to the tube substitution handbook the following tubes can be substituted for each other. This uk made 5u4gcv575 was manufactured at the thornfootscray factory in great britian. Whats the difference between the 5u4, 5u4g, 5u4ga, and 5u4gb tubes.
I really like kenrad 5v4g in my vox ac30cc1 for example, as a sub for gz34. Tonal balance was still even, despite improved bass, suggesting to me my previous rectifier tube was not as extended. This 5u4g tube is brand new nos in original uk military box, and was made at the thorn factory made in the 1950s we only have one piece in stock shown in the picture withd getter and brown base. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. One of the best sounding 5u4g fullwave rectifier you can find other than the famed gec u52, and the western electric 274a and 274b. Mullard gz32 nos branded amperex mint in original box wonderful sub for the 5v4 tube. Antique radio forums view topic 5y4g is there a substitute. The maximum reservoir capacitor is specified at 4 f and the rectifier needs a series resistance of 250. According to the rca hb3 data sheet for the 1614 dated 121946, the tube is called a. Bass was significantly more extended and detailed at the same time.
Vacuum tube 5ar4, ruby tubes antique electronic supply. The yellow label on the base has the sylvania logo. According to the rca hb3 data sheet for the 1614 dated 121946, the tube is called a transmitting beam power amplifier. Here youll find manufacturers data sheets and curves for many popular and some not so popular electronic valve types. I usually tend to use 5u4gbs as the rectifier when needing a high current tube rectifier and account for the larger voltage drop with the correct transformer however the 5ar4gz34 is a good tube as well. Net tube data here youll find manufacturers data sheets and curves for many popular and some not so popular electronic valve types. Russian tube 5c3s is a quality equivalent of the 5u4g, u52, 5z3, 5as4, 5z10.