5u4gb tube pinout. Octal, IO) K8A, USA 1935 and Power-supply shown.
- 5u4gb tube pinout The MESA 584GB is based on 1950s tube technology, and is essentially an improvement on the 5U4 design. Pin Out Configuration for the 12A*7 range Sep 17, 2019 · I have not been able to find a definitive answer this question so maybe a tube amplifier expert on this site can clarify for me. The installed height is 5 inches. Take a reading between pin 2 and ground. 85-121, B5- 127 or . I'd like to try the new ACME 274B tubes in place of the current 5U4G tubes in my Line Magnetic 210IA amplifier IF the former is compatible with the latter. Amazing feel and exceptional overall quality make this our factory favorite. My BF'd 1969 Bandmaster Reverb sounds better Tube 5U4G or Röhre 5U4G ID3352, Full-Wave Vacuum Rectifier, Octal (Int. 5U4G; 5U4GB; 5U4GBEH. Explore the pinout diagram for 5U4GB twin diode vacuum tube, essential for DIY amplifier projects. 5A of current. Installed height of 3 7/8". Maybe I've got great hearing (it tests very well). I have just completed the enclosure and started wiring the power circuit. If still nothing, I would suspect a bad tube. I thought I'd try a 5U4GB to lower the plate voltage, but after setting the bias to 16mA, the plate voltage is 440v. pdf (200623 different pinouts or different filament %PDF-1. , 12h eingehenden und ausführbaren (!) Bestellungen werden noch versendet. The GZ37 had a drop more like a 5U4GB. 5U4-G Application Data: (38612 bytes) 5U4GB: 5R4GB. Due to lack of sales and multiple inventory issues for a tube that was essentially the same as the 5U4, manufacturers decided to name it the 5U4GB and retire the 5U4, 5U4GA and 5AS4 tubes. T-12 300 40 21 300 290 T 12 5. 3 %âãÏÓ 10 0 obj /Linearized 1 /O 12 /H [ 656 188 ] /L 201948 /E 84724 /N 2 /T 201630 >> endobj xref 10 11 0000000016 00000 n 0000000566 00000 n 0000000844 00000 n 0000000997 00000 n 0000001137 00000 n 0000001368 00000 n 0000001407 00000 n 0000004084 00000 n 0000004162 00000 n 0000000656 00000 n 0000000824 00000 n trailer /Size 21 /Info 8 0 R /Root 11 0 R /Prev 201620 /ID Title: 5X4G 5U4G 5Z3 Author: Tung-Sol Subject: JA-FP-2005-10-29 Created Date: 10/29/2005 12:19:51 PM Tube Data Sheet Locator. . See also 1956 adverts. The 5U4 rectifier tube is also known by the equivalent part numbers 5U4G, 5U4GA, 5U4GB or 5AS4. wooaudio. Dec 17, 2013 · Well either way, you can't just go using tubes that don't even have the same kind of pinout/pin arrangement as the original tube (1641 and 5U4GB) in a tube amp circuit that calls for a 5U4GB or equivalent tube. Total power draw is probably somewhere around 142 mA (61 mA per output tube plus 10 mA per side for the 12AT7). Feb 1, 2012 · Most tube vender's sites have a page or two about rectifiers. 9 Products RECTIFIER TUBE - 5U4GB The MESA® 5U4GB RECTIFER TUBE produces a “traditional vintage sag” with the most elastic and compressed feel of the two 5U4's Afterpay is now available both online & in-store SEE MORE Find your local store's opening hours. Email Password Confirm Password Aug 17, 2016 · If you have a circuit that is designed for e. pdf (474101 bytes) 5U4GB Aug 29, 2004 · There are a lot of rectifiers with the same pinout as the 5U4. It will just have a different voltage drop than a 5AR4. Octal, IO) K8A, USA 1935 and shown. 5Y3S; 5U4GB; GZ34S - 5AR4; EZ81 - 6CA4 The Sovtek 5U4G Dual Rectifier vacuum tube is a perfect replacement for all 5U4GB/5U4G or EL37. Menu . My 1965 Super Reverb has a 5U4GB and that sounds much better than a GZ34 in that particular amp. Basing(l). As M/B puts it, it's their "factory favorite" — and for good reason. 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) is/are safe. Octal, IO) K8A, USA 1935 and Power-supply shown. As far as the rectifier list, if the tube has a pinout like a 5u4 or 5AR4 then it will work. I found the GZ33 to be a drop in replacement for the 5AR4 tube. In this case, you need to add one lamp socket and connect all its outputs in parallel with the 5C3S tube socket. If the reading is zero, then the tube isn't conducting. Tube 5U4GA or Röhre 5U4GA ID4528, Full-Wave Vacuum Rectifier, Octal (Int. VACUUM TUBE PINOUTS tube amp repair; guitar amp repair; vacuum tubes; electron tubes; valves; tube pinouts; tube Title: 5U4GB Author: General Electric Subject: JA-FP-2000-11-04 Created Date: 11/4/2000 4:23:36 PM Type 5U4GB was first introduced in 1956. The 5U4 was made by all the major tube manufacturers and is still being made today among others by ELROG. ALWAYs check the bias and idle power of the tube with the new rectifier to be certain that it is running within spec. Pin Connections. 8 pin positions and a center location pin even though most only have 4 or 5 present. 5U4GB EH Filamentary Twin Diode FULL-WAVE POWER . I would expect to see 400-450vdc. The JJ 5U4GB vacuum tube is an excellent choice for both Hi-Fi audio & instrument amps. Morrison. Understand the layout for easy construction and troubleshooting. 063 ln Nov 19, 2022 · A 5u4 is an octal base tube. Below you will find a range of Pin Out Configurations for key tubes. Tube Data Sheet Locator. This 274B vacuum tube's filament draws 2. I have no complaints about it. Technical specifications: Filament voltage: 5 ± 0. The Ruby 12AX7AC5 HG High Grade tube is the Shuguang 12AX7 9th gen tube, but distributed by Magic Parts. Absolute Maximum Operating Conditions Tube drop = 44V @ 225mA DC . Raytheon RK60/1641 Made by Raytheon (and also General Electronics as well as a few others), this tube is similar to the 596 and the 5U4G/5U4GB. This tube may not fit in all amplifiers. 6 Amperes 450 Volts 40 gf 67 Ohms 275 Ma 460 Volts 550 Volts 10 Henrys 275 Ma 420 Volts 44 Volts 50 Volts 54 Volts Construction Base . DOWNLOAD PDF. - alle bis zum 20. Another good sub would be the 5V3A. Recheck wiring, inspect solder joints and tube socket, clean socket. May 9, 2021 · Like the 274B the 5U4 also has a 4 pin counterpart which is the 5Z3. The 5U4G rectifier delivers 100 Watts of DC power. Not only is the tube more reliable, but it's much more compact. MESA® 5U4GB RECTIFIER TUBES (Compact, Shorter Profile) The MESA® 5U4GB RECTIFER TUBE produces a “traditional vintage sag” with the most elastic and compressed feel of the two 5U4’s that we offer. Most commonly used in guitar tube amps and home audio tube amps. High grade is a measuring system used by Magic Parts, which basically means the tube is better suited for amps that need more quiet tubes. Let me know if you require additional tubes and I will see what I can do. Feb 12, 2012 · Hello, I am new to discussion forum - building my first amp. PLEASE NOTE: The 5U4G is a tall "Coke Bottle" design. These are a very consistently made tube, sweet sounding, and very warm. 0 Amperes 4. In addition, it is a suitable rectifier tube to use on your amp. 0 Volts 3000 Ma 1550 vo ts 550 Volts 1. pdf (209863 bytes), 5U4GB. 5Z3-Mesh uses a four Pin UX4 socket. Radio tubes are valves. Der letzte Versandtag im Jahr 2024 ist der 20. The most desirable replacement ever built. The single-ended 300B tube amplifier circuit will deliver about 8 Watts and is well suited for use with high sensitivity speakers. 12-16 . Our PS-274B tube is a beautiful large coke bottle shaped rectifier tube with large black plates. Perfect reference for electronic enthusiasts and audio amplifier builders. I picked up a couple 5U4GB tubes for dirt cheap, and I'm thinking of trying Mar 7, 2015 · With 6V6 output tubes uses a 5Y3, can use 5AR4, 5U4, or 274B rectifiers with a number of other beam tetrode output tubes. This current draw makes it acceptable for many amps originally designed for a 5AR4/GZ34 tube. 5U4G-Mesh uses as Octal Socket socket, of which only five pins are used (and one of those is electrically not connected). Dec 10, 2013 · This tube sells anywhere from $100 to $200 per tube depending on the seller and condition of the tube, but I think it's worth it! One of my all-time favorite tubes! 9. VOLTAGE READINGS. There is also a variant which is technically the same, also has an octal base but a different pinout. a 5U4GB and you plop in a 5AR4 without making other adjustments, you may in fact think that it "sounds better" (higher plate and screen voltages would be the likely result), but you may also be running your tubes harder (and this might put your over your max dissipation limit on a single-ended amp). comemail: info@wooaudio. Same pinout and they all run at 3A of heater current. Please see the substitutes at the Tube Data Sheet Locator. You could also use a 5AR4, which uses less heater current and offers a slow start. Its width is 2. If your amp has an octal rectifier socket the 5U4GB will work fine. The speakers shown in Photograph 6 are DIY double horn enclosures with the Fostex FE207E fullrange driver. It would be used for all types of medium power equipment and was used extensively in 1940's equipment. 3 %âãÏÓ 10 0 obj /Linearized 1 /O 12 /H [ 656 188 ] /L 201948 /E 84724 /N 2 /T 201630 >> endobj xref 10 11 0000000016 00000 n 0000000566 00000 n 0000000844 00000 n 0000000997 00000 n 0000001137 00000 n 0000001368 00000 n 0000001407 00000 n 0000004084 00000 n 0000004162 00000 n 0000000656 00000 n 0000000824 00000 n trailer /Size 21 /Info 8 0 R /Root 11 0 R /Prev 201620 /ID Title: 5U4GB Author: General Electric Subject: JA-FP-2000-11-04 Created Date: 11/4/2000 4:23:36 PM %PDF-1. Picture Tube Substitution Guidebook — all substitutions are listed, including those which require rewiring and socket changes. Sovtek 5U4G dual rectifier tube is a good choice when it comes to a vacuum tube. In those books, when the filament current of the tubes differs, the notation “Parallel circuits only” is made. 5U4GB: 5R4GB. pdf (200623 different pinouts or different filament electron Tube Data sheets - 5. com Mesa's Tube of Choice! You'll find the MESA 5U4GB inside all the new Mesa/Boogie tube amplifiers. Why only a 20v change? Equivalent tube: 5U4G (U52, 5Z3, 5AS4, 5Z10, GZ32, 5AQ4, 5V4G, GZ34, 5AR4) The 5C3S kenotron can be replaced by two 5C4S kenotrons. In my new Deluxe Reverb build, I was using a JJ GZ34S. Clean and detailed while maintaining a warm and sweet tone, the 5U4GB-EH offers gorgeous tube compression and articulate AC/DC conversion. This classic big bottle 5U4 tube rectifier is the tube of choice for those famous, dual-rectifier amps. 75 ea. This affordable rectifier tube is for use in any 5U4 socket. 6V6 plates at 460v, and bias about 15mA each tube. 563 ln. Dec 10, 2022 · See chart below. What voltage thay put out and current draw. pdf different pinouts or different filament voltages. However, because we believe that Tube Caddy — Tube Substitution Jul 20, 2024 · The tube compliment was Electro Harmonix 300B Gold Grid, Electro Harmonix 5U4GB and Tung-Sol 6SN7GTB. 50 for premium tested tubes, tested under load to deliver 120 ma. C. Which is the tube installed now? Sometimes the Chinese tubes use a type number that matches old US production but is not at all similar Tube Pin Out Configuration for 12ax7, ecc83 6v6, 6l6 5y3, el34 5881, kt77, 5u4gb, 5ar4, gz34, el84 Key Tube Pin Out Configurations. Menu. The MESA® 5U4G RECTIFIER TUBE is a classic 1930s "Coke Bottle" design. To be clear, the amplifer comes stock with 5U4G tubes. The tube offers a classic tone at the high prolonged output. 5V; Filament current: 3 ± 0. IO: 2: 4: 6: 8: f: a(2) a(1) f . You can substitute lots of tubes, as long as you observe the peak inverse voltage and current limits, and it's good to pay attention to filament current draw too (e. 5T . With a Hammond 374BX power transformer, I get about 450V B+. pdf (898939 bytes) 5U4GB : General Electric rr 5U4GB. Rectifying tubes. Apr 28, 2015 · The tube compliment was Electro Harmonix 300B Gold Grid, Electro Harmonix 5U4GB and Tung-Sol 6SN7GTB. The 5U4GB rectifiers draw more current and has more low wattage breakup than the GZ34/5AR4 in lower wattage amplifiers so maybe try that rectifier tube. g. Outline . Also Webers Copper Caps use no heater current may be worth a look. Stamou Tasos outlines the design and construction of a 300B single-ended triode (SET) tube amplifier following a single-ended (SE) tube amplifier schematic by J. Home Tube data (56063 bytes) 5U4GB: 5R4GB. Sep 7, 2008 · I'll assume it's Chinese in origin, but it seems to work fine. 3A Sep 3, 2019 · The 5U4GB is a drop in replacement for the 5Z3PA and 5Z3P, which are both made by Shuguang. That is the 5X4. You will often see tubes labeled 5U4GA/GB or 5U4GB/5AS4A 5U4GB is a directly heated full wave octal base rectifier for Hi-Fi and guitar amplifiers. replacing a 5AR4 with 5R4 or 5U4 adds another amp @ 5v = 5 watts current draw). Increasing the cathode bias resistor is often necessary. select the first character of the tube 0: 1: 2: 3: 4: 5: 6: 7: 8: 9: A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: T: U: V: W: X: Y: Z > 5-1(1-500) 576(501 . DIY Single-Ended KT88 / 6L6 / EL34 / 6CA7 Tube Amplifier I worked through the calculations and have a Tube 5U4 or Röhre 5U4 ID3387, Full-Wave Vacuum Rectifier, Octal (Int. Jan 7, 2010 · AB568 circuits tend to like 5U4GB rectifier tubes. 5U4GB : RCA (HB3) rr 5U4GB. It produces a flexible, elastic, and spongy feel that is a bit more controlled and slightly less "saggy" than our newer 5U4GB. 12. Tube drop = 50V @ 275mA DC . for standard tested tubes; $14. Off the top of my head the 5r4 and 5v4 come to mind. Jul 23, 2016 · "5U4GB EH rectifiers, certainly the best of the current crop, a very good solid tube, $12. Title: 5U4GB Author: RCA Subject: FP-2011-12-10 Created Date: 12/10/2011 9:04:11 PM 5U4GB full – wave vacuum rectifier Base: OCTAL uf = 5 v if = 3 a Typical Characteristics: capacitor input: see graph # 1 choke input: see graph # 2 Limiting Values:max 38,0 Capacitor Input f = 50 Hz ua invp = 1550 v ip =max 120,0 1 a c = 40 µf Choke Input f = 50 Hz ua invp = 1550 v ip = 1 a l = 10 H max 105,0 5U4GB. Jun 13, 2024 · 5U4G Mesh Data Sheet 5Z3 Mesh Data Sheet. FULL-WAVE RECTIFIER. Sep 5, 2017 · If you like your 5u4GB, keep using it. Dec 15, 2015 · Originally the 5U4GB design was called the 5AS4 (ST version) and later the 5AS4A (GT version). GZ34 drops about 10v under load, and 5U4GB drops about 50v. Made in the USA in the 1960's. end quote! This GE 5U4GB NOS rectifier tube replaces 5U4GA, 5U4GB, 5U4G, 5U4, 5AS4, 5AS4A and GZ37 vacuum tube types. 5 inches at the widest point. Home Tube data (38612 bytes) 5U4GB: 5R4GB. 1 88-118 . Nov 18, 2016 · Designator: Cyrillic: Pinout: Picture: Subs: Data: Sheets: Updated: 5U4-GB: Yes: No: Yes: Yes: Yes: 18-Nov-2016 www. Normally That's good so far. per plate". For the 6SN7 driver tube I also tried NOS Sylvana and RCA tube brands, and I found that I like the sound from Tung-Sol brand tubes the best. The US 5z3 is a "big pin" tube, no location pin and 2 fat, 2 skinny pins. 274B in question is a Sophia Electric mesh plate RE: 274B Rectifier, posted on March 9, 2015 at 09:46:21 Feb 19, 2006 · 5U4G and 5U4GB tube types are spec-ed a little differently, with GB having slightly less voltage drop, yet I've noted much more compressed murkiness from stronger Sylvania 5U4GB. pdf (200623 different pinouts or different filament MESA® 5U4G RECTIFIER TUBES (Tall "Coke Bottle" Design) The MESA® 5U4G RECTIFIER TUBE is a classic 1930s "Coke Bottle" design. Last Update: Description This data sheet applies for the 5Z3-Mesh and 5U4G-Mesh, which are electrically identical, apart from the sockets. pdf (200623 different pinouts or different filament The MESA® 5U4GB RECTIFER TUBE produces a “traditional vintage sag” with the most elastic and compressed feel of the two 5U4’s that we offer. The amp I chose to start with is Alex Gendrano's KT88 SE. govxzn ctzac agtxj aagyn xaw dhj amhscx wwdrm lovfec ctbb
