I've had Mullard and other NOS rectifiers last twenty+ years and still be working when the amp was sold. tube f32 rectifier gz34 5ar4 vintage b3f8 oppo 45° stereo slanted blackburn nos nos stereo blackburn slanted tube b3f8 oppo vintage f32 45° gz34 rectifier 5ar4; $165. TUBE RECTIFIER CV378 KB/DA , BRITISH MADE VALVE TUBE; TRIPLE MICA PINCHED @ BASE; NOS TOP PERFORMANCE FOR AUDIO EQUIPMENT CV378 = 53KU = GZ37 = U54 Full-Wave Vacuum Rectifier FOR ARMY TUBE KB/DA YH; PERFECT FOR RECTIFIER STAGE AUDIO AMPLIFIER HI-END ULTRA RARE !!! tube valve; Free Shipping; For more Quantity requirement you can email us. OTOH, paying ten times the cost of a JJ equivalent for a NOS Mullard doesn't make any sense unless you're refering to a pristine vintage amp. Registered users can share their experience with this product. …Octal socket, full wave rectifier tube, very suitable for amplifiers and preamps, because of its small size and high power raitings GZ34 5AR4 Philips Metal Base 1951-1958 5AR4 GZ34 CV1377 Mullard f32 1962-1975 & f33 codes 1975-1979 GZ34 Telefunken Click to see all Rectifiers in stock …. This is your change to use a NOS TELEFUNKEN rectifier, for a reasonable price. Mullard 5ar4 Gz34 Vacuum Tube Single Rectifier Guitar Amp Vintage No. FOR SALE - San Francisco and Bay Area, CA - Vintage Rectifier tubes. Mullard 12AX7 ECC83 (NOS) Blackburn - England Tubes - Matched Pair Tested and Matched on Ampl. NOS / OB VALVO GZ34 / 5AR4 DD Getter Rectifier Tube Original box. if i also added the 36. Also going. Matched pair are available. Keep in mind that the 5V4 is an entirely different rectifier tube if the OP is asking for good GZ34/5AR4 options. Vintage Ge 5ar4 Gz34 Tube Tests Strong Fender Rectifier. I'm going with a couple 1N4007 diodes in series to the plates of the GZ34 to add some PIV protection. The tube is branded as Pope which is a Philips brandname. Premium Vacuum. Folks if you run across one of those NOS 5AR4/GZ34 ECG Phillips Rectifiers that was mislabeled as a 5V4 pick em up. This version is one of legend Full-Wave Rectifier. if i also added the 36. Thanks for looking. Verified purchase: Yes. Tuff tube high output tube. Everyone that uses a GZ34 tube rectifier in their amp knows that the Mullard GZ34 is one if not THE best rectifier you can get. Straight Edge. DESCRIPTION This listing is for one MESA/Boogie 5Y3 rectifier tube. You can still get NOS, but at $60 a pop or so, I'll keep away. Also have a few Fat Boy 5AR4 / GZ34 Rectifier Tubes Branded RCA / Sylvania / Philips Also have a matching pair of vintage RSD (Made in West Germany) NOS NIB 5AR4 / GZ34 rectifier tubes All of these tubes are strong and fully functional. 96 Single One Mullard GZ34 / 5AR4 rectifier tube, Brand NEW in Box !. Our 5AR4 Rectifier Tubes have an excellent & reliable response with a strong, dynamic response sound. 6J7G/VT74 NOS 6J7G GEC Crown ANM 10E/352 NAPL 101 mesh plate, crown logo in Original Brown military box packing made in Gt. All I know are of outstanding quality. We test our rectifier tubes on a tube tester that tests each half individually to insure that both sides are equally strong. This tube bears the brand name Philips. We also offer high quality and hard to find parts for DIY tube amplifier projects. $20 each 0. Read our reviews or we'll help you with a recommendation. Rectifier tube is 5AR4/ GZ34. The tube rectifier can easily be swapped back in when sag is desired. GZ37 CV378 53KU Mullard UK NOS high power, full wave rectifier valve in military box. Details about NOS 1959's Amperex GZ34 / 5AR4 DD Getter Rectifier Tube ,original box,f31 B9A Vacuum Tube Hifi Audio Audiophile Belgium Find many great new & used options and get the best deals for Philips GZ34 Vintage Tube & Tube Socket at the best online prices at eBay!. Mullard Blackburn GZ34 for sale. I recently had to replace the 274B sophia princess rectifier in my Dennis Had kt150 power amp. It has minimal voltage drop with well controlled sag when loaded, giving you that sonics that only comes from tube rectifiers can provide. Here is an NOS Matsushita GZ34 / 5AR4 rectifier tube. The Sovtek 5AR4 rectifier has a rise time from 300-400 volts that is about half that of a 5U4 tube. on top of that the tubes are top notch grade A quality. GZ34=5AR4 TECHNICAL NOTES The GZ34 is an example of a typical high current rectifier for small equipment use. JTM45 8-input PA version V1 is the first preamp. So, when more power is actually needed, the amp gives less. Most of our stock is relabeled by companies like Amperex, Dario Miniwatt and others. The GZ34 is a full wave rectifier. Rectifiers either work or they don't so an emission result does not really tell you much. Cryoset Deep Cryogenic Treatment: The process makes a permanent change and the benefits do not deteriorate over time or upon return to operating temperature, it changes the whole way the vacuum tube performs. This is a "representative" list of what is normally available. Used tubes that test like new. GZ34 5AR4 Philips Metal Base 1951-1958 5AR4 GZ34 CV1377 Mullard f32 1962-1975 & f33 codes 1975-1979 GZ34 Telefunken. I just had my thread about possibly trading my Princeton. 100% Guaranteed TubesAll tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Original vintage European tube. All of our tubes are brand-new in original packaging straight from MESA/Boogie and include FREE shipping within one business day. Consider this: You can take two of those, put the heaters in series, and the plates in parallel. This is one of the best GZ34 ever, better than double O Getter version and single Getter. GZ30, GZ32, GZ33, GZ37. Solid State Rectifier kit. Low frequency notes take more current through the power tubes to reproduce. 45 postage; Mullard GZ34/5AR4 Rectifier Tube England Labeled as RCA Strong. trying to test these 5ar4/gz34 in my tube tester and cannot get any readings whatsover I try both iterations and still nothing These are brand new jj's and I know at least one of them is aok. Check out the Amp Tubes website for datasheets and a wide range of other Vacuum Tubes. The tube is branded as Pope which is a Philips brandname. So, when more power is actually needed, the amp gives less. Large selection of 5AR4, GZ34 Rectifier Tubes. The original packaging such as pictures. Hi- end audio tubes , superb collection. BMW2002Ti swore by this tube, so when I got an opportunity to try one (thanks Steve) I did. Rectifier Tubes. Straight Edge. The new Mullard GZ34 is a brand addition to the Mullard reissue family of high quality vacuum tubes. Factory and date codes B9F = made in the Blackburn plant, England year 1959. At the other end of the scale, the GZ34 (equivalent to the 5AR4 in the USA) has long been considered the king of the rectifier tubes. No shorts or gas leaks Tested on my B&K tube tester Tests Results: 98 /110 98 / 96 100 / 99 105 / 100 100. It has never been used and is in perfect shape. Because the VickyVerb is a single ended, single power tube design, there's never a requirement for "matched" tubes, making the use of NOS tube types attractive and affordable. Registered users can share their experience with this product. Verified purchase: Yes. My favorites in the under $200 range are late '50's - early '60's Mullard GZ34 and the Philips 5R4GYS that appears to be exclusive to Upscale Audio at this time. Tuff tube high output tube. This is the real deal! I bought it brand new from vivatubes. trying to test these 5ar4/gz34 in my tube tester and cannot get any readings whatsover I try both iterations and still nothing These are brand new jj's and I know at least one of them is aok. 82) Posted by MP53 on 2013-07-24, 06:22:15 (76. 1 PCS SHUGUANG 5Z3P-J Rectifier Vacuum Tube Instead of 5U4G 5Z4P 5AR4 Tubes NOS - $19. NOS with excellent label. FW rectifier 550-0-550 160 60 175. Vintage Mullard 5AR4 / GZ34 tube made in 1966. The Philips 5R4GYS is a recent find by Upscale Audio in Upland. If it's for an amp with switchable rectification then JJ would be OK I guess because at least you won't be stuck if the rectifier tube goes bad. Tube Testing Equipment Why We Don't Sell Certain Brands Filter by All 5AR4 / GZ34 / 5R4GY 5U4G / 5U4GB 6CA4 / EZ81 GZ32 / GZ33 / GZ37 NOS Tubes PrimaLuna Brand Tubes. Register to access all of the benefits reserved to registered users or click on login if you are already registered. But I don't, I play more "power metal" and rock type stuff. This is a genuine 4 notch plate Mullard tube (OEM branded) that was purchased from a reputable tube dealer (Brent Jessee Recording and Supply) this last June. High quality, guaranteed for 90 days from purchase. Details about NOS 1959's Amperex GZ34 / 5AR4 DD Getter Rectifier Tube ,original box,f31 B9A Vacuum Tube Hifi Audio Audiophile Belgium Find many great new & used options and get the best deals for Philips GZ34 Vintage Tube & Tube Socket at the best online prices at eBay!. Contact Information. Vacuum Tube Rectifiers, Raleigh, North Carolina. New-Old-Stock (NOS) tube. trying to make heads and tales out of it, it says in the manual The 5AR4/GZ34 rectifier tube may be exchanged for other equivalent type rectifier tubes of the 5AR4/GZ34 family. Maybe the TAD needs more burn in time, but as of now I've noticed less low-end and diminished roundness. Genalex U77/GZ34 Gold Lion is the ultimate rectifier tube for replacing any GZ34 or 5AR4 type tube. No biasing or adjustments are necessary, just plug in and play. In NOS vs new production rectifier tubes durability is the primary advantage. Free shipping on orders $105 and over. High output current and small size make this tube especially suitable for compact amplifier designs. About Hi Test. ECC81 MULLARD NOS VALVE/TUBE 1x Mullard 5ar4/gz34 Rectifier Tube Vintage Mullard 12AX7 ECC83 I63 Gt Britain Vintage Audio Tube Round Getter 1 vintage 1959 Mullard fat base GZ34 5AR4 tube -tested- f31 OO NOS NIB GE Mullard 12AX7 ECC83 Great Britain Blackburn Gray Plate 1966 PAIR Factory Platinum Matched Mullard EL84 EL-84 Tubes 24Hr Burn-in NEW. PHILIPS MULLARD GZ34 5AR4 Brown Base Rectifier Tube Grey Plate DD Getter - $87. Converts most audio amplifiers which use a vacuum tube rectifier 5AR4/GZ34, 5U4 or 5Y3 to a solid state device. Military Specification , 1961 into the Swedish militaryRare treasures. The transformer HT winding would be center tapped. Matched pair are available. Tuff tube high output tube. I was amazed at the meaningful sound improvement a different rectifier tube type can have on my amp. NOS JAN (Joint Army Navy) Sylvania 5Y3WGTA full wave rectifier £ 12. NOS / OB VALVO GZ34 / 5AR4 DD Getter Rectifier Tube Original box. Keep in mind that the 5V4 is an entirely different rectifier tube if the OP is asking for good GZ34/5AR4 options. f31 X8J $750. Gz Vacuum Sale. 1 NOS NIB RCA Mullard 5AR4 GZ34 Rectifier Tube Gt. 5AR4/GZ34/U77 - Genalex Gold Lion Genalex Gold Lion U77 / GZ34 full-wave rectifier tubeMade in Russia This was a generic Russian NOS tube. Verified purchase: Yes. The Sovtek 5AR4 (GZ34) Rectifier is a suitable replacement for any 5AR4 rectifier tube. Here is a Mullard GZ34 tube; old production, produced in the Blackburn factory in the UK. Virtually new NOS GZ34 Mullard England ( F32 ). I use that amp for bass and the Copper Cap retains some of the tube voltage drop and sag, but it is a bit tighter than the actual tube. VERY limited supplies of these--I rarely can find them. I've rolled a lot of rectifiers, many NOS and some new production and ultimately ended up with frustration that could not be ignored. Thank god I stocked up a a dozen ago when you could get RCA GZ34's for $65, I wish I had bought more. Yes - any rectifier - tube or solid state will take more stress with a KT88 over an EL34 but reports from customers show that very few GZ34's have been lost from those that use KT88's. Testing new / looks new (Box is an original Mullard GZ34 box and is worn and missing tabs on one end) Stencils are good to partial. I also may not need quite the decrease in sag of a 5ar4 either. Read our reviews or we'll help you with a recommendation. They wrote the specs on the box (see photos). Large selection of NOS tubes. These were getting nearly impossible to find as NOS, so the folks at Electro-Harmonix dug in and did it right!. Get your TAD Tube Amp Doctor GZ34-STR/5AR4 Rectifier tubes at Humbucker Music! As one of the largest dealers of high-end amplifiers in the world, we know and understand tubes (and the amps they go in). | eBay I am figuring I would get the same results just sticking in a solid state rectifier adapter as going from the 5U4GB I have now to a 5AR4 or GZ34 valve. Substitutes: GZ34, 52KU, 53KU, 54KU,GZ30, GZ32, GZ33, GZ37, R52, U54, U77, 5R4GYS (from Philips) The Mullard GZ34 is King of the Hill. Get your TAD Tube Amp Doctor GZ34-STR/5AR4 Rectifier tubes at Humbucker Music! As one of the largest dealers of high-end amplifiers in the world, we know and understand tubes (and the amps they go in). But I don't, I play more "power metal" and rock type stuff. Rectifier Tubes. The tube has two top D-getters and is produced in the end of the fifties. So the ? is did amps leave Fender with gz34 rect tubes as stated on the sticker?(mine has one)should I have a 5u4 in there?Dose it matter?I know one has more or less sag. BMW2002Ti swore by this tube, so when I got an opportunity to try one (thanks Steve) I did. Yes - any rectifier - tube or solid state will take more stress with a KT88 over an EL34 but reports from customers show that very few GZ34's have been lost from those that use KT88's. Our 5AR4 Rectifier Tubes have an excellent & reliable response with a strong, dynamic response sound. 6J7G/VT74 NOS 6J7G GEC Crown ANM 10E/352 NAPL 101 mesh plate, crown logo in Original Brown military box packing made in Gt. " Make notes for what each plate section of a known balanced NOS rectifier tube will test on your machine. This is a "representative" list of what is normally available. Single O-Getter. Welcome to Arizona Tube Supply where we have hard to find vacuum tubes for your audio gear, guitar amp, antique radios and vacuum tube ham radio equipment (boatanchors). 5AR4/GZ34 Sovtek-Russia A new, improved 5AR4/GZ34 from Sovtek. Rectifier Tubes where country of origin not specified, new old stock tubes are supplied, please enquire if you want to know exact brands & origin of stock on hand. NOS JAN (Joint Army Navy) Sylvania 5Y3WGTA full wave rectifier £ 12. Free shipping. The first electronic amplification of sound was done with Vacuum Tubes. The Philips 5R4GYS is a recent find by Upscale Audio in Upland. 5AR4 - NOS, Philips. Because the VickyVerb is a single ended, single power tube design, there's never a requirement for "matched" tubes, making the use of NOS tube types attractive and affordable. For any Gz Vacuum questions, contact us for Gz Vacuum from Ebay. Powered by Fission Content Management System | Buffalo Website Design by 360 PSG This site has no official connection with the current Ampeg company. For Sale here are my last two Pairs - sold one quad set here at eBay recently - (Quad Set) of very rare NOS, NIB Mullard GZ34 Rectifier tubes. When everything is right though man o man! If you haven't rolled in a NOS Rectifier Tube you need to !. This tube was made in Tokyo Shibaura Electric Features: Grey Plates Made in Japan Why buy from us? Our Core Values: Honesty, Transparency and Customer Service! 100% Positive Feedback, please read our customer's comments Fast Shipping!. I just had my thread about possibly trading my Princeton. There is at least one Web page with some comparative rankings, and like so many NOS tubes it may all come down to how much you want to spend. Mullard 12AX7 ECC83 (NOS) Blackburn - England Tubes - Matched Pair Tested and Matched on Ampl. JJ Electronic GZ34 5AR4 Rectifier Tube. Britain 1964. 5AR4 = GZ34. That is why NOS GZ34/5AR4 are so expensive. Mullard GZ34 Rectifier Tubes. The tube is branded as Pope which is a Philips brandname. Large selection of NOS tubes. Tung-Sol Reissue 6V6GT The preferred OEM tube of '50s-era Fender ® Tweed Champ and Deluxe amplifiers. If it's for an amp with switchable rectification then JJ would be OK I guess because at least you won't be stuck if the rectifier tube goes bad. So the ? is did amps leave Fender with gz34 rect tubes as stated on the sticker?(mine has one)should I have a 5u4 in there?Dose it matter?I know one has more or less sag. But I don't, I play more "power metal" and rock type stuff. No biasing or adjustments are necessary, just plug in and play. NOS, NiB Vintage HITACHI (Branded Zaerix) GZ34 Rectifier Tube. of NOS 2A3 tubes. The GZ34 is an example of atypical high current rectifier for small equipment use. Free shipping on orders $105 and over. News From Dr. GZ34=5AR4 TECHNICAL NOTES The GZ34 is an example of a typical high current rectifier for small equipment use. I have gone in a 'new' or revised direction in trying to finalize a rectifier tube choice for my UFO-25 and CSP-3 and felt that it would be best to post regarding this in it's own topic. 5AR4/GZ34/U77 - Genalex Gold Lion Genalex Gold Lion U77 / GZ34 full-wave rectifier tubeMade in Russia This was a generic Russian NOS tube. It's just a time delayed rectifier. The reissue is now available with the same great performance without the high price that NOS Mullard GZ34 tubes command. 5AR4/GZ34 Telefunken. of NOS 2A3 tubes. GZ34 5AR4 Mullard British NOS high power, full wave rectifier valve tubes in original/white box. So, when more power is actually needed, the amp gives less. It has never been used and is in perfect shape. If you want diodes, R2000 microwave diode (Mouser, 2Kv 200 Ma) or two 1N4007 in series on each side are needed. Gz34 5ar4. Electro-Harmonix 6CA4EH / EZ81. I like the GZ34 because of the soft start on the power tubes. I use JJ's because they are sturdy and readily available. The classic Mullard GZ34 has always been a favorite and is the most sought after version. Nos Mullard Gz34 Philips Gz34 Vacuum Tube Selection Without Box Choose1. The GZ34 Gallery 5AR4 : Many rectifier tubes have been made by the Philips company. Now, if your amp can handle the heater current draw of the 5U4GB, you can find good NOS for good price. This is a great replacement for GZ34 & 5AR4 tubes. Mullard Blackburn 5ar4 Gz34 F32 Rectifier Tube, Tests Nos, Hole In Guide Pin. Tung-Sol Reissue 6V6GT The preferred OEM tube of '50s-era Fender ® Tweed Champ and Deluxe amplifiers. Gz Vacuum Sale. GZ34 (5AR4) Mullard, Blackburn (UK) NOS geprüft auf Amplitrex mit symmetrischen Diodenstrecken Werkscode f32 code… To be able to use Tube Amp Doctor Onlineshop in full range, we recommend activating Javascript in your browser. Rectifier Tube: 5AR4. High output current and small size make this tube especially suitable for compact amplifier designs. Lettering still looks good. Review (mpn:7-notch for sale) Branded Tested F32 Gz34 7-notch 5ar4 Tube Mullard Ge Rectifier. 5AR4 / GZ34. eBay Logo NOS/NIB Mullard GZ34/5AR4 Rectifier Tube England F32. All tubes test NOS. Register to access all of the benefits reserved to registered users or click on login if you are already registered. Positive Feedback ISSUE 68 july/august 2013. I have a nice NOS 5v4 tube that I am considering using as good 5AR4/GZ34 tubes are quite expensive. I get my tubes from Andy at Vintage Tube Service. We have seen that only GB production have hole in the g 21: GZ34 Finest Rectifier Tubes (12. Plugs into 5Y3 socket, less filament current, higher rating, but most important, purposely delayed warm up to match other cathode type tubes. Thanks for looking. The Mullard GZ34 5AR4 tube has always been one of the most sought after versions. Youare bidding for 2 (two) old (NOS) GZ34 / 5AR4 vacuum rectifier tubes made by Mullard - Gr. Tube List. See info below. JJ has a reputation for building sturdy tubes and this one is no exception. Straight Edge. Tung-Sol Reissue 6V6GT The preferred OEM tube of '50s-era Fender ® Tweed Champ and Deluxe amplifiers. I've had Mullard and other NOS rectifiers last twenty+ years and still be working when the amp was sold. What he said! Of the current GZ34s the best may well be the JJ but they can go bad. I now have the Tube Amp Doctor (TAD) gz34 as a placeholder. Factory and date codes B9F = made in the Blackburn plant, England year 1959. While not up to the Metal Base, this is the other GZ34 to get, also an amazing performer and now my every day rectifier. 5AR4/GZ34 Rectifier Tubes Is anyone currently making a tube of this type that rivals the performance of the best NOS Mullard tubes? I'm surprised that Sophia, Psvane and others appear not to have offered this tube. part #:7-notch prices Specs:. However the manual states" this tube (the 5AR4) may be replaced with the 5Y3 rectifier tube; but note, a difference in performance may be heard, the 5AR4 performs better than the 5Y3 when operating voltage is low". Register to access all of the benefits reserved to registered users or click on login if you are already registered. Gz34 5ar4. Cryo Preamp Tubes-> Super Cryo Preamp Tubes Cryo Power Tubes-> Cryo Rectifier Tubes-> 274B 5U4GB 5Y3GT EZ81 GZ34 / 5AR4 NOS 12AT7 NOS 12AU7 NOS 12AX7 NOS 12BH7 NOS 6922 / 7308 / 6DJ8 / CV2493 NOS Rectifier NOS EF86 NOS 6SL7 5691 NOS 5842 NOS 6SJ7 5693 NOS 6SN7 5692 NOS 6CG7/6FQ7 NOS 6U8 6HG8 ECF86 NOS Power Tubes-> Amplifier Cryoset Cables. Most of our stock is relabeled by companies like Amperex, Dario Miniwatt and others. They wrote the specs on the box (see photos). I have not had rectifiers fail. Also have a few Fat Boy 5AR4 / GZ34 Rectifier Tubes Branded RCA / Sylvania / Philips Also have a matching pair of vintage RSD (Made in West Germany) NOS NIB 5AR4 / GZ34 rectifier tubes All of these tubes are strong and fully functional. Folks if you run across one of those NOS 5AR4/GZ34 ECG Phillips Rectifiers that was mislabeled as a 5V4 pick em up. 5R4-WGB USA (Cetron) Same as used in B52-B bombers. These typically last decades as compared with modern production GZ34/5AR4s which last hours to a couple of years (if you're lucky). The nuvistor was developed by RCA and it was first introduced in 1959. As Tim mentioned, being privileged as participants, I need to buy the tubes first before I report the event & my preference here. SPECIAL OFFERS. A faithful reproduction of the Mullard/VALVO GZ34. Rectifier tubes, the hidden "sweetness" of electronic gear, vintage and new, guitar amps and stereo. Direct current (DC) is needed to operate all of the circuitry in a guitar amplifier. For any Gz Vacuum questions, contact us for Gz Vacuum from Ebay. You can still get NOS, but at $60 a pop or so, I'll keep away. The center going to ground. A lot of folks don't know it but the GZ"34" rectifier was designed to work with the new EL"34" power output tube introduced in 1954 as well , hence them both having the "34" in the tube type number The early EL34 was metal based as well just like the GZ34's. OTOH, paying ten times the cost of a JJ equivalent for a NOS Mullard doesn't make any sense unless you're refering to a pristine vintage amp. Classifieds: FOR SALE or TRADE - NOS NIB RSD GZ34 Rectifier Siemens tubes branded RSD Rohren Von Weltruf (Made in Germany) + other Fa asking for $100. Read our reviews or we'll help you with a recommendation. Factory and date codes B9F = made in the Blackburn plant, England year 1959. Measured output tube voltages and currents with a line voltage of 123 volts. Learn More. Octal socket, full wave rectifier tube, very suitable for amplifiers and preamps, because of its small size and high power raitings. The brown base are special made for English Military so they are marked CV1377. F32 Mullard general electric branded gz34 5ar4 rectifier 7 notched plates labeling is slightly smudged there are also a few tube retainer marks on the base tested new on my hickok 752 don't miss your chance to own the best. Packaged in new JJ box. Read our reviews or we'll help you with a recommendation. The classic Mullard GZ34 has always been a favorite and is the most sought after version. GZ34 is the European name for the 5AR4 and is compatible with any circuit using a 5AR4 tube. Mullard GZ34 Rectifier Tubes. Make offer - Mullard EY84 Half-wave Rectifier Valve. 1 NOS NIB RCA Mullard 5AR4 GZ34 Rectifier Tube Gt. The GZ34 Gallery 5AR4 : Many rectifier tubes have been made by the Philips company. Home; Tubes by Brands. GZ34=5AR4 TECHNICAL NOTES The GZ34 is an example of a typical high current rectifier for small equipment use. A little tube rectifier test So I got in all my tube rectifiers, and finally have a decent matching pair of power tubes to test them with (In a Princeton Blacface clone). A great performing GZ34. According to what I've been reading, all current production 5AR4/GZ34 tubes aren't as stable as the 20 year old NOS ones. NOS Rectifier Tubes for Audio and Guitar Amps GZ34 5AR4; EZ81 6CA4 UU12 CV5072 6X4WA CV4001 Rare 1958-59 Black Plate Square Getter MINT NOS NIB Premium CV4005. New Old Stock, white label, white box. Electro-Harmonix 6CA4EH / EZ81. Mullard was the Philips company of Britain, Amperex the Philips company of Northern America. I went on page after page of reviews from home audiophile guys that actually preffered this tube over the JJ GZ34 and every NOS variant with the exception of the Mullard "sawtooth" plate GZ34 (which this tube was modeled after) for being the smoothest, most natural sounding rectifier tubes out there today. New-Old-Stock (NOS) tube. I also have a NOS 1957 Metal Base GZ34 which is in its own unique category. Shop with confidence. Find helpful customer reviews and review ratings for Sovtek 5AR4 SOV Rectifier Vacuum Tube, Single at Amazon. Tested and Measured With Professional Tube Tester L3-3100% Emission With Matched Sections. NOS, NiB Vintage HITACHI (Branded Zaerix) GZ34 Rectifier Tube. NOS Valvo GZ34 / 5AR4 double D Getter made in Holland early 1960s, same as second version of base metal type. The Philips metal base GZ34 is famous for its contribution to the tonal quality of tube amplifiers and their extreme long life. This tube bears the brand name Philips. to try Electro Harmonix 6SN7 & some other NOS 6SN7 tubes & a pair. The GZ34 is a full wave rectifier. Large selection of NOS tubes. An amp with a tube rectifier tends to sound much spongier in the bottom end. Mullard 5ar4 Gz34 Vacuum Tube Single Rectifier Guitar Amp Vintage No. 6J7G/VT74 NOS 6J7G GEC Crown ANM 10E/352 NAPL 101 mesh plate, crown logo in Original Brown military box packing made in Gt. It's just a time delayed rectifier. The GZ34 is a full wave rectifier. Nicely matched sections. NOS HITACHI GZ34 5AR4 NOS Rectifier Tube / Labeled Zaerix / Test 100%, NIB - $66. This Yellow Jacket® is a solid state device and as such does not come with vacuum tubes. Vintage Ge 5ar4 Gz34 Tube Tests Strong Fender Rectifier. matched pair mullard gz34 5ar4 unused inbox - tested f32. This is a great replacement for GZ34 & 5AR4 tubes. Going from one type to another (such as 5U4GB to GZ34) will give you different tones and different sag characteristics. i haven't yet seen this reviewed yet so i will review it and post it on forums i frequent. The original old tube boxes due to their age (1963/640 were a bit rugged and have therefor been replaced with near new Mullard Boxes. 96 Single One Mullard GZ34 / 5AR4 rectifier tube, Brand NEW in Box !. Tuff tube high output tube. Contact Information. A faithful reproduction of the Mullard/VALVO GZ34. New/Unused Vacuum Preamp Tubes; New/Unused Vacuum Rectifier and Miscellaneous Tubes. Acorn Tubes; New/Unused 5U4 Tubes; New/Unused 5Y3 Tubes; New/Unused EZ81 tubes; New/Unused GZ34 / 5AR4 Tubes; Speakers and Parts; Uncategorized; Vintage NOS and Used (Tested) Vacuum tubes / valves; Most Popular. Solid State Rectifier kit. Virtually new NOS GZ34 Mullard England ( F32 ). Mullard GZ34 Rectifier Valve Tube NOS eqv. Kit contains all needed parts and pictorial assembly instructions in Finnish. Tuff tube high output tube. It is now THE permanent rectifier for my UFO-25. You will need to contact me for specific needs if you don't see them here. The Tungsol 6V6 has a geometry designed to safely handle the higher voltages used in guitar amps - plus heavier plate and grid materials. I'm using a WZ34 Weber Copper Cap in my 1970 200S that I restored/modified. 45 postage; Mullard GZ34/5AR4 Rectifier Tube England Labeled as RCA Strong. Gz34 5ar4 Tube Mullard Metal Base 5u4g 6sn7 12ax7. Read the 1954 RCA 5u4 data sheet for the stern warning from RCA against "hot switching" of the 5u4. Vintage Ge. Code of conduct. I just don't want to spend an arm & a leg on NOS tubes. If a tube is listed as "tests NOS" but is listed as "not True NOS" please expect the tube to have a small amount of use * All tubes have been tested using only the best tube testers. This is rectifier tube with no equivalent. This will put some strain on your Power Transfomer. Substitutes: GZ34, 52KU, 53KU, 54KU,GZ30, GZ32, GZ33, GZ37, R52, U54, U77, 5R4GYS (from Philips) The Mullard GZ34 is King of the Hill. Mullard 12AX7 ECC83 (NOS) Blackburn - England Tubes - Matched Pair Tested and Matched on Ampl. I have not had rectifiers fail. This is an extra tube I no longer need for my preamp. The GZ34 is a full wave rectifier. PHILIPS MULLARD GZ34 5AR4 Brown Base Rectifier Tube Grey Plate DD Getter - $87. All of our tubes are brand-new in original packaging straight from MESA/Boogie and include FREE shipping within one business day. With regard to "going up" to a GZ34, the added voltage will be more of a concern with the 6V6s and less of a concern with 6L6s. Britain Double OO Getter ZBest. Vintage Ge. Tested, Guaranteed. The nuvistor was developed by RCA and it was first introduced in 1959. Virtually new NOS GZ34 Mullard England ( F32 ). I actually like the lower B+ that this 5U4GB provides. Rectifier Tubes.