Gz34 rectifier tube data sheet

Bridge rectifier a bridge rectifier is used to rectify ac from a transformer with a single winding i. Tube gz 34 or rohre gz34 id3410, fullwave vacuum rectifier, octal int. 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 5ar4 gz34 is a good tube as well. The gz34 isnt a very talked about tube, but it is one of the most common rectifier tubes found in audio, especially in guitar amps. Valve rectifier data sheets usually state the maximum rms transformer voltage that the valve can withstand in an ordinary twophase rectifier circuit, rather than quoting limits in peak values like modern data sheets. The gz34 data sheet quotes 5500550vrms although personally i wouldnt trust a modern production bottle to handle this. In most situations, you can replace a 5ar4gz34 with the 5y3 since they have the same pin outs.

It is virtually identical, electrically, to the older fourpin type 80 tube, but with an octal base. The gz34 is generally accepted as the best vacuum tube rectifier made. The bigger the reservoir capacitance, the more limiting resistance you need. From what i can find on the heathkit aa111, you will be fine with using either tube. Gz34 pdf, gz34 description, gz34 datasheets, gz34 view. 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. Always check the bias and idle power of the tube with the new rectifier to be certain that it is running within spec.

Gz34 datasheet, gz34 datasheets, gz34 pdf, gz34 circuit. Also shown is the current available dc ma from the rectifier and the filament current draw fil amps. I dont have a dummy lode,but i plugged in my guitar and tested with no diffs. The genalex gold lion gz34 u77 is smooth, refined, and balanced for the very best highend audio sound. By164 silicon bridge rectifier consisting of four silicon double diffused junction diodes in a, capacitive load. Gz34 tk tube data sheet type base number of pins heater re parameter heater voltage heater current mechanical double anode rectifying tube tele fun ken uirements s mbol max 33,3 x octal 5pin indirect b a. Note 4 there is common misunderstanding that 5u4g and 5u4gb is electrically the same. Double anode rectifying tube gz34s is 5ar4 octal base rectifier diode. Vacuum tube 5ar4 gz34, jj electronics amplified parts.

Tube testing equipment why we dont sell certain brands filter by all 5ar4 gz34 5r4gy 5u4g 5u4gb 6ca4 ez81 gz32 gz33 gz37 nos tubes primaluna brand tubes. Aug 30, 2019 for example, the gz34 is rated for only ma average. For the gz34 this is 250ma for a capacitorinput rectifier with transformer voltages up to 4500450v, but the limit is reduced for higher transformer voltages. Gz34 and u77 is the european name for the 5ar4 and is compatible with any circuit using a 5ar4 tube. The 5ar4gz34 is a high vacuum, fullwave rectifier capable of output currents up to 250 milliamperes.

This course is more hands on than i thought,whens finals. You reach this tube or valve page from a search after clicking daasheet tubes tab or by clicking a tube on a radio model page. Capacitor input f 50 hz utreff 2x300 2x400 2x500 2x550 v. Our gz34s are tested in a custom rectifier tube test fixture. Jj has a reputation for building sturdy tubes and this one is no exception. The 5ar4 and gz34 is an indirectly heated cathode tube which means it takes longer to warm up. Also it seems that the gz34 was the microphonic culprit. Vacuum tube 5ar4 gz34, jj electronics the jj electronic gz34 5ar4 is rugged rectifier at a reasonable price. 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.

Philips highvacuum fullwave rectifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. This standby switch configuration is the absolute hardest on rectifier tubes and commonly. The difference between the two times is probably as a result of the direct vs indirect heating of the cathode. I usually tend to use 5u4gbs as the rectifier when needing a high current tube rectifier. Capacitor input f 50 hz utreff 2x300 2x400 2x500 2x550 v i 250 250 200 160 ma c 60 60 60 60 f rt 2x75 2x125 2x175 2x200.

By having this information on a chart you can choose a rectifier tube that will best suit your playing style. Tube 5u4gb or rohre 5u4gb id3775, fullwave vacuum rectifier, octal int. The story is different with a twophase rectifier see later. Read the article linked elsewhere in this thread immortal amp mod for a reasonable explanation of the mechanics of the failure. The jj gz34 5ar4 tube is another affordable replacement rectifier tube for both guitar and hifi tube amplifiers. Amperex tube type 5ar4 gz34 the 5ar4 gz34 is a high vacuum, fullwave rectifier capable of, volts 2 ter plate 3 at maximum values sed 958 5ar4 gz34 plate mo. Probably the most renowned 5ar4 rectifier tube, the mullard really makes a difference in your hifi or guitar amp sound. The telefunken gz34tk is an excellent replacement for any amplifier using gz34 or 5ar4 rectifier tubes. This gz34 5ar4 tube is robust and works great in many different guitar amps such as vox and fender amps, but also vintage hifi like dynaco and scott. A bridge rectifier is also a type of fullwave rectifier.

Jun 26, 2019 gz34 datasheet pdf the gz34 isnt a very talked about tube, but it is one of the most common rectifier tubes found in audio, especially in guitar amps. Rectifier tubes were some of the very first tubes to be invented since their purpose is one of the first requirements in electronic and audio design. The 5y3 is a mediumpower directly heated fullwave rectifier vacuum tube introduced by rca in 1935. These are brand newnos but were aquired in bulk so supplied in white boxes. New tested genalex gz34 5ar4 u77 rectifier tube the genalex reissue gz34 u77 5ar4 is probably the best new production gz34 on the market. You should always avoid having more than 430 volts across a 6v6 plate voltage minus cathode voltage. The wide glass tube envelope is 32 mm in diameter and, excluding the io base pins. Aug 11, 2019 gz34 datasheet pdf posted on august 11, 2019 by admin the gz34 isnt a very talked about tube, but it is one of the most common rectifier tubes found in audio, especially in guitar amps. Aug 09, 2019 gz34 datasheet pdf the gz34 isnt a very talked about tube, but it is one of the most common rectifier tubes found in audio, especially in guitar amps. Gz34 datasheet pdf the gz34 isnt a very talked about tube, but it is one of the most common rectifier tubes found in audio, especially in guitar amps. It has found wide use in tube radios and early guitar amplifiers of the fender champ type. This is a chart showing the specifications for 5 volt rectifier tubes that can be used in guitar amps. Rectifier comparison and interchangeability chart kca.

Rectifier tubes tagged 5ar4 gz34 5r4gy upscale audio. 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. The wide glass tube envelope is 32 mm in diameter and, excluding the io base pins, is 72 mm tall. But these tubes do have different ratings, so it is always best to use caution when swapping rectifier tubes. The more of a voltage drop dcv drop you have the more sag or compression you will have. The gz34 data sheet quotes vrms although personally i wouldnt trust a modern production bottle to handle this.

Rectifier comparison and interchangeability chart kca nos. Jun 30, 2019 bridge rectifier a bridge rectifier is used to rectify ac from a transformer with a single winding i. The 5ar4 and gz34 is an indirectly heated cathode tube which means it. Tdsl tube data gz34 at any one time, two diodes conduct while the other two are switched off.

Read the 1954 rca 5u4 data sheet for the stern warning from rca against hot switching of the 5u4. By164 mullard c296 taa310a tba480 taa700 tba550 taa435 taa300 pcc88 text. The powerup time of a 5u4 is much shorter than a gz34 tube. In particular tye gz34 has a lower heater current than many others of a similar ht rating. The sar4g7,34 is a high vacuum, full wave rectifier capable of oucput curreats up to 250 milliamperes. The starting volatge is 425 volts from a diode rectifier and each tubes specs drop from there. Their are a lot of nos ones on ebay as well as good used ones for a low price. Our gz34 s are tested in a custom rectifier tube test fixture. Tube 5y3gt or rohre 5y3gt id3116, fullwave vacuum rectifier, octal int.

This standby switch configuration is the absolute hardest on rectifier tubes and commonly used in guitar amps. Rectifier flashover is one significant source of mains transformer destruction, via a shorted rectifier tube. Be careful when going to a higher rated rectifier in 6v6 amps. These are the f32 7 notch version, and have the newer mullard logo on them. Last, if you want something cheap but decent there is a chinese rectifier called 5c3pj that subs perfectly. Jj electronics 5ar4 gz34 rectifier vacuum tube guitar. These tubes are a full wave rectifiers, electrically equivalent to the original western electric historical tubes. For example, the gz34 is rated for only ma average. Users report that the jj gz34 5ar4 is a reliable rectifier in their vox, fender, and hifi amplifiers. The gz34 is an example of a typical high current rectifier for small equipment use. Increasing the cathode bias resistor is often necessary.

You even can look up radio models with a certain tube line up. Jj electronic vacuum tubes, capacitors, amplifiers. Beginners sometimes call the twophase rectifier a fullwave rectifier. The data sheet will also quote the maximum average dc current that the valve can handle. Gz34tk tube data sheet type base number of pins heater re parameter heater voltage heater current mechanical double anode rectifying tube tele fun ken uirements s mbol max 33,3 x octal 5pin indirect b a. The downside to this tube is the voltage drop which is in the 50 volt range.