6x5 rectifier tube data booklet

By having this information on a chart you can choose a rectifier tube that will best suit your playing style. Normally speaking, the less voltage drop the better. Has anyone seen a 6x5 tube fail when the filter section of the power supply is within that range. The bid is for 4 russian tubes in individual boxes. 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. Preamp tubes are generally at their best 2 3 years. This is the rectifier tube that is used in all juketone valve amplifiers. The 5u4g is no longer the tube of choice for new mesa amps that feature a 5u4 type rectifier tube.

I first started with testing all th tubes for shorts. Rectifier tubes this page contains a list of rectifier tubes some of which may be obsolete. Each model emulates the forward conduction resistance curve of the tube type it replaces and also has linear inrush current limiting to simulate the warmup of a tube rectifier, however, it is in the 1 to 2 second range, rather than the 7 to 9 seconds of a typical rectifier tube. By the late 1950s there was a large selection of stereo hifi audio tube amplifiers available. For highfidelity, you instead want good rectification and filtering for. This may not matter, depending on the radio but its better to use higher voltage rated diodes. Tube 6x5gt or rohre 6x5gt id3260, fullwave vacuum rectifier, octal int. Still sealed, same tube as above, same date code on box. The tube that gives you additional vintage tone quality. Rectifier tubes we pride ourselves on having one of the largest nos tube inventories available, and provide the highest level of testing and service in the industry. Most of the datasheets are in pdf format and some are links to other html pages.

Antique radio forums view topic building solid state 6x5. Always check the bias and idle power of the tube with the new rectifier to be certain that it is running within spec. Rectifier comparison and interchangeability chart kca nos. If you do not see the specific tubes you are looking for, then please contact us. A few choice words were said and the battle between wits began between me and the this particular radio. They produce a similar voltage drop to 5u4 rectifiers but require only 2 amps of heaterfilament current from the power transformer as opposed to 3 amps for a 5u4.

I have seen some 6x5gcv572 big bottle but never a 6x5. In addition, when changing to a higher output rectifier in a self biasing aka cathode biased amp, eg, champ and others never assume that the power tube s isare safe. 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 lifespan of a tube can be a bit tough to predict but the following may provide a bit of a guideline. There is another rectifier which needs even less heater power, the 6x5. The tube amp doctor 5y3gt 6087 is a small bottle rectifier designed to perform closely to the original rectifier tubes used in many 1950s tweed amplifiers. A rectifier is an electrical device that converts alternating current ac, which periodically reverses direction, to direct current dc, which flows in only one direction the process is known as rectification, since it straightens the direction of current. The tube was used extensively by zenith in their late 1930s and early 1940s table radios. Solid state rectifier direct plugin replacement for 5ar4, 5u4 and 5y3 rectifier vacuum tubes in amplifiers with center tapped secondary power transformer.

If the tubes to be replaced are operating at or, 6x5 6w5, 6zy5, 5839, 5852 f. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Feb 26, 2006 what i figured out after researching this a bit more on the web, after your post made it clear to me that one could not easily swap these 2 types of tubes, is that audio note at some point in the past few years changed to using a 6x4 in their circuits after previously using the 6x5. This rectifier offers high reliability due to its rugged construction and the tube amp doctor premium selection process. The rca 6x5gtvt126b made between 1940 1945 is one of the best sounding milspec black plate construction 6x5gt you can find. Due to tall coke bottle design, this tube may not fit in all amplifiers. The starting volatge is 425 volts from a diode rectifier and each tubes specs drop from there. Data from or other sources as supplied by john atwood. Then you need to look at such things as how much input capacitance the tube can handle ie not much. Approximately the size of a 6l6 power tube, it produces a flexible and resilient feel that is a bit more controlled and slightly less saggy than the coke bottle 5u4g. Building solid state 6x5 substitute antique radio forums. Owners of amps from dynaco, eico, mullard, and fisher, among others, were enjoying great sound from. This 1960s made tube developed for rugged video application has been found in quantity by upscale audio, in upland, ca. A lot of times radio repair is to use what you have on hand.

Russian tube 5c3s is a quality equivalent of the 5u4g. Most ps can be modified to use 6ca4ez81 currently in production rewire the socket and the 6ca4 rectifier tube can handle 50mfd as the first cap. This is a suitable replacement for any 6x5 6x5g 6x5gt fullwave rectifier tube type. Rectifier tubes are the diode component within a tube amplifier that converts ac voltage from the power transformer into a dc voltage to amplify sound.

Tube 6x5 or rohre 6x5 id39, fullwave vacuum rectifier, octal int. Since every portion of a typical linear power supply in a vacuum tube amplifier is coupled in part to the output, changes in any component in a power supply can often radically effect the resultant sound rectifier tubes, power transformers, resistors, capacitors, and inductors all can and do effect the sound. The other main type of rectifier is the indirectly heated type such as gz345ar4, 5v4, gz37, 6x5 etc etc. Nos tube specification sheet nos tube specification sheet. It has been painstakingly restored, with hours devoted to replacing all the rotted rubber wiring. The 6x5 was made with a standard glass envelope and a glass tubular envelope as well. Then after recapping and swapping out the original burnt up power transformer the radio was tested. These rectifier tubes have a heater and a cathode that are two separate units in the tube, electrically speaking. Most of these datasheets are in english except where noted otherwise. The 5y3 is a mediumpower directly heated fullwave rectifier vacuum tube introduced by rca in 1935. It is virtually identical, electrically, to the older fourpin type 80 tube, but with an octal base. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search.

I think its the combination of rectifier and output tubes that makes some of the difference. A tube rectifier is more important to classicsoundseeking guitar players, who push all the components in an amp into distortion and voltage sag. In the realm of miniature tubes i have settled almost exclusively on the 6ca4. Recommend me 6x5 rectifier tube steve hoffman music forums. Index of jamesrrlegacyvalve tube data sheets 6x4, tube 6x4. The 5ar4 and gz34 is an indirectly heated cathode tube which means it takes longer to warm up. Tube data suggests a maximum of 10uf as the first capacitor, your amp has 47uf. The tad 5y3gt is a great tube for vintage style sag compression. All tubes new, military equipment, high reliability. Other than that i believe the rectifier is the most important tube in the 5e3 circuit. Type 6x5 should be mounted in vertical position, but horizontal operation is permissible if. Then you further choose a tube that has the voltage drop characteristics you can use in your design.

The transformer now may not have the 5 volt winding for a 5y3g. It can be a challenge to figure out the voltage drop through a tube rectifier. This tube not only gives the best operating range of the miniature rectifiers, but it can handle up to a 50f first filter cap which seriously reduces the requirements on the power supply smoothing filter. The 6x5 a problematic tube canadian vintage radio society. Cathode type rectifier designed particularly for use in automobile receivers. I was surprised to read that a 35z5 could be substituted for a 35z4 in a circuit which does not have a lamp tap. Increasing the cathode bias resistor is often necessary.

Like with any rectifier, you need to look first at the voltage and current rating of the tube. The rca data gives a high voltage specification but other makes quote 3500350 as the input voltage. Many of us here go to great trouble to keep tube rectifiers even if theyre flaky ones like the 6x5 because to use solid state is admitting defeat and modifying the design. Antique radio forums view topic 35z4 rectifier tube. I was just looking through some schematics of small tube amps similiar to fender champs but using 6x5 tube rectifiers, and was just wondering why the 6x5 isnt being used much these days. I have a 1942 zenith 7s633, one of their last table sets which could qualify as furniture. Rohre 6x4 id3258, fullwave vacuum rectifier index of jamesrrlegacyvalve tube data sheets gz32 datasheet. Rectifier comparison and interchangeability chart kca. The el84, or commonly known as 6bq5 in north america, was intended for use as an inexpensive alternative to the larger audio tubes of the time, such as el34, 6l6, and kt66 power tubes. The tube would be good to be used in my octal line preamplifier or octal phono preamplifier. Other suitable applications would be in power amps which use separate supplies for driver and output stage.

It has found wide use in tube radios and early guitar amplifiers of the fender champ type. Recently worked on a philco console that had a 6x5 rectifier tube with a push pull output setup. The black print on the base has the chatham logo and reads jancahg5r4wga made in usa partial. Welcome to tubedepot javascript must be enabled to use this site. Discussion in audio hardware started by drj, feb 26, 2006.

I did a bit of research and found that, when a dial lamp is run off a lamp tap on the. The 6x5 is a full wave indirectly heated rectifier. Its very similar to 6z4 rectifier tube,only the difference in pin assignment. The more of a voltage drop dcv drop you have the more sag or compression you will have. Rectifier tubes nos vacuum tubes for sale tubes unlimited. Sometimes you get nothing and you have to go hunting another data sheet for more info. Physically, rectifiers take a number of forms, including vacuum tube diodes, wet chemical cells, mercuryarc valves, stacks of copper. Weber copper cap rectifiers are solid state rectifier replacement devices for use in place of vintage tube rectifiers. The 6x5 tube lit up like a bright light bulb withen 20 seconds. Vacuum tube 6x5gt ez35, rectifier, full wave antique.

This military spec chatham 5r4wga rectifier tube has black plates, bottom getters, and a rugged ceramic base. Sealed tube can be opened before shipment, to test it if you want so. Ps design or choice of filter components the tube data sheets dont lie. The red print on the glass or base has the rca logo.

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. Az12 is a 200ma type rectifier, electrically close to rgn2504. A flat sheet beam is electrostatically deflected across the anode which is. A few specialquality tubes did not have a standard equivalent, e. The nos philips 5r4gys rectifier tube replaces gz345ar4 bargain priced. It runs on the same heater voltage as most preamp and power tubes 6v6, 12ax7 etc and doesnt require an additional pt tap for 5v as opposed to the 5y3.

This rca 6x5gt rectifier tube has black and silver plates and a bottom d getter. I thought i had read somewhere that diodes designed to run a dial lamp off a filament tap just had to have the dial lamp in the circuit, otherwise the lamp tap section of filament would burn up. Amazing feel and exceptional overall quality make this our factory favorite. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. Here youll find a modest collection of datasheets for some popular tubes. All these links open in a new browser window so that you can return quickly to this page without having to reload.