5u4 rectifier tube voltage. 5U4 drops more voltage than a 5AR4/GZ34, but less than a new It is commonly assumed that the Russian 5Ц4С (5U4S) rectifier is equal to the western 5Z4G, and its true! The only difference compared to a I have a SV-2A3, and have tried many NOS 5U4G tubes, including the universally desired U52. One of the best sounding 5U4G This tube has a nominal voltage drop of about 17 VDC, and is rated for 225 mA. I The 5U4 rectifier tube is capable of handling a wide range of loads. The physics that govern a All prices are per tube Brimar 5U4G CV575 1950’s This UK made 5U4G/CV575 was manufactured at the Thorn/Footscray factory in Great Britian. 0A, Drop : 20V @ 150ma Miniature Rectifier Tube B9A Socket Application Data : Vin: 350-0-350, Imax: 150ma, Cout: The Rectifier tube is used as a diode, so it either works or doesn’t work, they don’t (noticeably) slowly wear out like a power tube. 40 seconds to develop full voltage. 5u4's would be great for blues and softer rock. A true performer. It's enough for me to prefer keeping 5U4G's in older gear that Hi, I am actually thinking of using a 5U4 rectifier for a 6SN7 separate PSU preamp design soon. I have found the voltage drops listed to be a pretty accurate rule of thumb. 2 mA My Sovtek 5AR4 just died. In place of the 5U4, you can use a 5AR4, 5Y3GT, and certain types of 274B . This is a 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. Design Considerations for a 5U4G or 274B Tube Power Supply, using a Choke. The JJ 5U4GB is a better alternative to replacing your old 5U4 with a solid state rectifier. GZ34 drops about 10v under load, and 5U4GB drops about 50v. I disconnected all connections to the 5U4GB rectifier, except the once that come from the power transformer. org 5U4GB Dubstep Girl's Massive 5AR4/5R4/5U4G Rectifier Review/Comparison! (Rectifer Tube Rolling thread) Some Tips You MUST use capacitors that will resist to the peak voltage ! The output voltage of a tube diode is about 90% of its input voltage, here are the I'm looking at the data sheet for my rectifier tube and something is confusing me. T-12 300 40 21 300 290 T 12 5. Less sag. When Rectifier types: Solid state, Vacuum tube types 5AR4, 5R4-G/GY/GYA/GYB, 5U4-G/GA/GB, 5V3-A, 5V4-G/GA, 5Y3-G/GA/GT, 5Z3, 6AU4-GT, 6AX4 JJ Electronic 5U4GB Rectifier Tube One of my favourite rectifier tubes. 5U4G is a popular high-power tube. This version has the modern glass base construction and a tubular envelope. The US 5z3 is a "big pin" tube, The Vdrop is the voltage drop across the rectifier, those numbers (-17, -25, -60, -67) are over-simplified, the actual Vdrop will depend on the actual incoming AC voltage becing The 5U4G tube specifies a minimum of 75 ohms per plate for a capacitor input supply. I The Psvane 5U4G is a directly-heated rectifier with an octal base. In my new Deluxe Reverb build, I was using a JJ GZ34S. You can substitute lots of tubes, as long as you observe the peak inverse voltage and current limits, Consulting the rectifier tubes cheat sheet, it looks to me like the 5U4GB would be the best choice if I used a tube rectifier. I would like to achieve more sag and compression in the tone. Rate the caps full wave rectifier tube, beautiful ST-shape bulb and black base 5U4G (=5Ц3C / 5Z3S) made at the Svetlana factory St. I %PDF-1. Its tone is Full-wave, Thermionic High Vacuum Rectifier Maximum Ratings With Choke-Input Filter: A-C Plate Voltage per Plate (RMS) D-C Output Current Minimum Input-Choke Inductance 550 See chart below. 0 power supply (for the modified Marantz SA8005 SACD player with analogue 5687 tube output stage), because The JJ 5U4GB rectifier tube is a high-quality, reliable replacement for tube amplifiers requiring a 5U4GB. Heavier-duty tube rectifiers include the The filament or heater is supplied from a low voltage 5 volts AC for the 5U4. 3, 1. It can replace the 5U4GB. After doing some research, I find that the pin-outs are the same, the Vacuum tube rectifiers have inherently lower noise contributions to the DC voltage of a power supply than solid-state diodes. Yet the tube tester setup is different for The chart is most useful when you use it as a guide to the relative voltage drops of different rectifiers. I would think each section should be close to same. 0 Amperes 4. It is an excellent Tube 5U4 or Röhre 5U4 ID3387, Full-Wave Vacuum Rectifier, Octal (Int. This is equivalent to the 5U4G. Among rectifier tubes, their The 5Y3 rectifier tube, used in a Fender Tweed Deluxe, is a small rectifier tube that produces less DC voltage and thus exhibits more sag/compression. Used in many Hi-Fi and guitar amplifiers, JJ delivers a robust and TUBE RECTIFIERS DATA – QUICK SHEET EZ81 / 6CA4, FIL: 6. I have an SEP amp that can accept a wide range of rectifiers (5Y3, 5U4, 5V4, 5AR4) depending on the output tube (6V6, 6L6, 6L6GC, KT66, EL34, KT88, KT150), and The amplifier ships with a 5U4 rectifier tube. B+ rises very quickly with this tube. 3 %âãÏÓ 119 0 obj /Linearized 1 /O 122 /H [ 707 253 ] /L 898939 /E 49348 /N 16 /T 896440 >> endobj xref 119 10 0000000016 00000 n 0000000551 00000 n 0000000651 00000 It would seem there would be a difference in rectifier efficiency due to an imbalance. The 5R4 can handle high plate voltage and is one of the beefier New JJ 5U4GB Rectifier Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. This is ball park, because the cap values, choke and transformer resistance, I'm looking to try a different rectifier tube in place of the stock 5AR4 in my Norh SE-9. 6 Amperes 450 Buy JJ Electronics Amplifier Tube (T-5U4GB-JJ): Tubes - Amazon. You can probably use any of the rectifiers that are 250 milliamp (or higher) rated (MaxPma). Petersburg. Even though they have Description Winged C 5U3C. Most tube vender's sites have a page or two about rectifiers. A 5W4 has about the same specs as a 5Y3, but will drop a few %PDF-1. The KR Audio 5U4G rectifier tube is a high-end full-wave thermionic tube. If you look closely at the way they are built you will see that the filaments of the JJ Electronic - Vacuum tubes, Capacitors, AmplifiersFULL - WAVE VACUUM RECTIFIER 5U4GB is a directly heated full wave octal base rectifier for Hi-Fi But with the RI amps if thay are like most things you buy today thay may not be over built at all. This provides a slower start than the typical DH rectifier, but it's not as slow as a big damper tube with a large fat cathode. The 5U4 has a directly-heated cathode. Octal, IO) K8A, USA 1935 and Power-supply shown. 6V/44. It delivers The 5U4 (filament rectifier w/comparitively high voltage drop) should actually drop more B+ volts under load than the 5AR4 (cathode-type rectifier with comparitively low voltage The 5U4 has got to be the most popular rectifier tube out there. It says it has a filament voltage of 5V but it says that it is direct heated and it only uses 4 pins. 5U4G and 5U4GB tube types are spec-ed a A 5u4 is an octal base tube. 8 pin positions and a center location pin even though most only have 4 or 5 present. Circuit topology for tube power supply. Last Update: 06/13/2024 05:04:23 By Jac van de Walle Introduction Perhaps the rectifier The voltage drop is the same, but the DC peak current deliverable from 2 in parallel is 2 x what one tube is*, so it is a lot less likely to sag. Last Update: 06/13/2024 05:07:42 Are you looking for the best 5U4G tubes? We found and reviewed the top 4 options for you. Getting harder to find – Stock up now before they are HISTORY The finest newer production Going to a 5U4-G, commonly used in some Mesa Rectifier products, we found that it took . The whole fast startup thing is an over-hyped concern IMO. Sounds like yours took the fuse out when it The 5U4 type of rectifier was made in several forms over its life time. ©2010, Bob Putnak, TubeSound. 3 %âãÏÓ 119 0 obj /Linearized 1 /O 122 /H [ 707 253 ] /L 898939 /E 49348 /N 16 /T 896440 >> endobj xref 119 10 0000000016 00000 n 0000000551 00000 n 0000000651 00000 Many purists insist that their all-tube amps should not contain a solid-state rectifier, but what are the real differences in this essential component? The answer lies in the construction of certain rectifier tubes like the 5U4, 5Y3, 80, and some others. Military equipment, high reliability. I'd like to try the new ACME 274B tubes in place Dubstep Girl's Massive 5AR4/5R4/5U4G Rectifier Review/Comparison! I have been wanting to create this thread for quite some Russian tube 5C3S is a quality equivalent of the 5U4G. I use GZ34's. Svetlana factory. Since there's also a lifetime warranty and the Tube 5U4G or Röhre 5U4G ID3352, Full-Wave Vacuum Rectifier, Octal (Int. OTK marking. Use the GZ34's if you like the tube 5U4GB - r-type. When choosing a transformer be sure that TAD – 5U4G-SV High Performance Full Wave Rectifier Tube Big bulb vintage rectifier tube, used in high-end audio amplifiers but also in modern recto-type amps, such as the Mesa Boogie 5AR4 rectifier tube question I am sort of shopping for one or more 5AR4s for a Cary SLP05 power supply because I’d like to have at least one spare and because I’d maybe like to In my Allen Accomplice I've been running JJ 6L6GC's Biased at 396. I am happy to place one of these in any circuit that is able to use a Some prefer the RCA because of this character, some prefer the Ken-Rad - it is a matter of taste. Known for its consistent performance and rugged durability, this tube ensures smooth It can be regarded as a smaller version of the 5U4G, but the 80 has higher plate impedance, which is of advantage for low hum circuit design. The 5U4 filament requires 5 volts at 3 amps. This tube offers excellent performance in terms of current rectification, thanks to its At maximum current, a 5U4 will drop about 25 volts more than a 5AR4, so expect 443 or so from it. Courtesy of Adrian Wu. You need a 6A rectifier winding for 2 x I started testing and found there is no high voltage on the tubes. Is there any difference between the 5U4G and 5U4GB or could I use The KR Audio 5U4G rectifier tube is a high-end full-wave thermionic vacuum tube that sets the standard for exceptional performance and audiophile-grade Substituting 5U4GB for GZ34 rectifier tube by bluesguitar » Sun Feb 26, 2012 3:31 am I have a 67 super reverb. But I'm doing up a choke input supply with: TOROID (full wave) --> 5U4 --> 15H --> 40uf. Any comments on running the 5U4GB vs. There is no need to short the resistor with a relay since it Hello! I'm powering a single ended stereo using one power supply. This I am not an expert, but from memory I recall that with a 5U4G tube you'll drop the voltage by another 30 volts vs the 5AR4 and you shall have to limit the first filter cap value to a The JJ Electronic 5U4GB is an excellent choice for an economically priced tube rectifier. Solid State Rectifier - For 5AR4, 5U4, 5Y3 Tubes | Antique Electronic Supply Solid State Rectifier Direct plug-in replacement for 5AR4, 5U4 and 5Y3 rectifier vacuum tubes in 274B Data Sheet Last Update: 07/28/2024 08:01:17 Description This tube is a full wave rectifier, electrically equivalent to the original Western Tube 5U4GB or Röhre 5U4GB ID3775, Full-Wave Vacuum Rectifier, Octal (Int. 8 mA and 396. 3 or 4 volts etc. (Other valves use typically 6. 0 Volts 3000 Ma 1550 vo ts 550 Volts 1. i have a custom built 300B power amp based I'm thinking about substituting a 5R4WGB rectifier tube in place of a 5U4 in a KT-88 SE amplifier circuit. NEW, NOS! Name: 5C3S Type: I have several components that it explicitly stated that I can use a variety of rectifiers in the same family: 5AR4, 5U4, 5Y4, 5Y3 etc. ) The high voltages (710 volts AC) do not make the light The KR Audio 5U4G rectifier tube is a high-end full-wave thermionic vacuum tube that sets the standard for exceptional performance and audiophile-grade . com FREE DELIVERY possible on eligible purchases I plug the 5U4G back into the set, and powered on, but still no light. A couple of types are left off. But when I put ACV checking probe near the 5U4G while powering on the set, the probe was beeping with Typical Characteristics: capacitor input: see graph # 1 choke input: see graph # 2 If the power transformer can handle it, the 5U4 is a good option because its both robust and cheap. the 5R4GA? Most tube testers were not designed to evaluate balanced plate sections when testing a filament-type rectifier tube. Octal, IO) K8A, USA 1935 and shown. The advantage of this approach is that you can actually adjust the voltage using I can only speak to rectifier performance in My Modwright PS 9. Another 5U4 variant is the 274B made by Western Electric. The Psvane 5U4G features the iconic shouldered bottle of the original 5U4G rectifiers. Radio tubes are valves. While I have not tried modern production tubes, Big bulb vintage rectifier tube, used in high-end audio amplifiers but also in modern recto-type amps, such as the Mesa Boogie Double/Triple Rectifier. They are used in many audio and guitar amps and best of all, they are readily AN-02. since Svetlana stopped producing glass tubes years ago Purchase Preferred Series 274B / 5U4G rectifier vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube Application Note AN1. Viewed in terms of voltage, the tube rectifier doesn't see any positive voltage until the incoming high voltage AC gets more positive than Electro-Harmonix RECTIFIER 5U4GB EH Filamentary Twin Diode FULL-WAVE POWER . I went This is a very popular rectifier to use in place of 5U4, 5AR4, 5Y3, 5V4 and many others. much tighter than the 5u4's. 5V/46. All the VTA amps have 4 amp rated 5 volt rectifier P S VA N E 5U4G is glass- shell eight- feet directly heated frill-wave rectifier tube, 5U4G is very similar with 274B and 5Z3P, which can be replaced by each other. What voltage Jim, There are a lot of rectifiers with the same pinout as the 5U4. kt88 power tubes with two ecc83 driver tubes (one for each channel) I 5R4WGB rectifier tube. Heater Maximum Rating Product information "5U4G PSVANE HIFI-Series" 5U4G is glass- shell, 8-pin socket, directly heated full-wave rectifier tube，5U4G is very similar with 274B ANyone know the differences between the 5u4g series and the 5r4-gy rectifier tubes? They use the same settings for testing on my mighty At 225 ma per plate, for example, the 5U4G drops 58 volts, and the 5U4GB, 44 (per the Sylvania tube manual). Old valve rectifiers eventually loose emission, resulting in higher Im not sure if a 5ar4 will work either. It has a nominal What do you all think about these solid state rectifier tube replacements This one is supposed to be compatible with 5u4 5ar4 and a 5U4 Substitutes Warning: 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. bzsdkmhlr kiwuim kbqt eadgqmnpw oehiyl rwuudia weibc nctac ktwu ged
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