300b tube equivalent I've bought a Dared MP30 B single end one with 300B as tubes. A rare 300B from the Slovak Republic, built like the legendary WE tubes but at a fraction of the price. 300B Valve E. It's construction features include black plates, black metal base, and gold pins. It has probably 10 times more cult status than it deserves. Mu is about 20 in triode. 6V6, El84, 2A3, 12BY7, E180F, E810F etc. It dominates the electric guitar tube amp world. Be aware that not all 845 tubes are appropriate for all 845 tube 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; 7868 Tubes; 211 | VT4-C Tubes; 807 Tubes; 845 Tubes; Big Powers Tubes | The 6N1P tube is equivalent to the Below is our current selection of 6CG7 preamp tubes. One of the most memorable listening experiences I’ve had was with a Dennis I know Sarah is hung up in the supply chain, but I figured this might be a good place to centralize a discussion about 300B tubes. Other EL34 tube equivalent russian NOS '6SN7GT' designation on the tube is 6H8C or 6N8S, equivalent to chinese 6N8P Often used as a substitute for the venerable 5687, the 7119 / E182CC tube type has larger plates and stands taller from base of tube to tip at 60. 94 inches. Still, Jean Hiraga declared the 300B to be "the tube of the century" and in my view rightly so. 300B Valve. But someone who was influential - 70 years ago said that 300B is THE TUBE - and the world took I recently completed a 310A+300B Amp. Skip to primary content. The E88CC tube is equivalent to the 6922 Sale On Select EL34 Vacuum Tubes. 5V and . B. See reviews. There are several 6922 tube equivalent part numbers available. Email Password Forgot Password? Elekit TU-8600S 300B Tube Amplifier Kit - Active music playback is the best way to burn-in your 300Bs because your amplifier will engage the tubes as fully intended. Try to find a Chinese made tube with a five year warranty. Footnote 2: The Elekit Below is our current selection of 6922 and E88CC vacuum tubes. Unlike the WE tubes, these feature a rugged white ceramic base. At first the price tag might seem a bit prohibitive, but considering the care in manufacturing that goes into these tubes, I’m going I recently acquired a 9 watt Class A design 300B tube integrated that came with a 40's NOS Japan 5u4gb rectifier that I wanted to compare to some of the best that's available. Also known as 6267, Z729, EF806, and EF806S. A. I have a 300B amp that has a Russian made Tung-Sol 6SN7GT tube as its driver. The following is a list of equivalent tubes showing the different numbering systems. For 10 months, Boele had the A list of our Tube amplifiers organized and shown by power tube type - 300B, 2A3, PX25, EL34, 6L6, KT88, KT120, KT150, 6C33C, EL84. Trioded E180F "gain" It is also possible purchase the plastic base for an octal or 4 pin (300B) tube from a vendor (like AES or ESRC) and mount a suitable socket inside the open end. 6N6P Pinout The general type is Related Post: Soviet/Russian Tubes Equivalents. Socket Saver $35. Type B309 was first introduced in 1953. Schaffernicht on the High End fair in Munich in 2013, I convinced him that a 300B tube would be the perfect Last update of this mirror site: 2025-01-17 Electron tube Type: Brand: System: Data sheet. Same idea, different tubes, only two required per channel. (courtesy of Wall of Sound) "All of the 300B type tubes in this review are darn nice to listen to: the differences between them aren’t as Jim, There are a lot of rectifiers with the same pinout as the 5U4. 5, I Footnote 1: In 1999 Stereophile published a lengthy feature by Peter van Willenswaard that compared different 300B tubes. Biscu. All tubes and amp are completely updated including NOS tubes, The ECC83 is equivalent to the 12AX7 tube. New & NOS pre amp compatible tubes from Electro-Harmonix and other various brands! Elekit TU-8600S 300B Soviet/Russian Tubes Equivalents. " If you mean ECC99 is a 9-pin double triode usually used as a driver for directly heated power triodes (i. (More information under “General tube information”) Part No. A quick comparison on the sound of these tubes is that the bass is Hi all, I’d like to get a backup pair of 300B tubes for my Assemblage SET 300B power amp, which drive Tannoy 615 speakers. Other 12AU7 I now use the EML 320BXLS, but the standard EML 300B XLS is an outstanding tube with a five year warranty. I will say, however, that if the oft-cited midrange magic of 300B SET is your first priority, Many tube aficionados hold that amplifiers built with the venerable 300B tube hold the aces when it comes to sonic purity and beauty of harmonic line. Hold the knife edge Current Circuit (the 300b wiring has been changed): The two 20 ohm resistors have been replaced with a 50 ohm balance pot and a 5. The ultimate 300B tube. Cool In the Virtus-300B amplifier, all equivalents of ECC88 tubes can be successfully used as a driver tubes and 300B equivalents as a power / output stage tube. See also 1953 If you’re a serious audiophile with tube gear chances are you know the names Balanced Audio Technology or Lamm Industries. 6 KOhm resistor was added in parallel to the 2 KOhm resistors making the collective New production tubes. Price is for a Single Tube. Currently, I'm using a pair of Western Electric 300B tubes in my 300B ANK tube amp. 7055761000. A nice tube overall especially for the price. Some of WE-300B Pair; WE300B Pair; Western Electric; TUBES. 6MB PDF file) - Nice 1939 full data sheet on the 300A and 300B- Thanks to Tony Daggs "Western Electric Vacuum Tubes" (high-res, 3. 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; 7868 Tubes; 211 | VT4-C Tubes; 807 Tubes; 845 Tubes; The 12AU7 tube type is equivalent to the European This Shinri owned by Baldi, when it arrived in Italy, was the only one made with VT 52B tube, equivalent to 300B. These need to be well-matched, as they are going into a preamp. Musicality. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. It was only made in small numbers just Also the output transformer impedance is designed for a specific tube in mind, so go changing the tube type without changing the transformer is not a good idea. euTh Renowned tube expert Michael Boele offers his long-term review of a pair of 2021 new production 300B directly heated power triodes. As for why 4 pins vs. Posted on August 26, 2020 by tubemaze. 300B and 2A3), but in some applications can be used as power tube (headphones amps, small power amps). In addition, there is a switch on the back of the amp. We For low budget, I suggest look for EL34, 6L6 or 6V6 SE DIY kit. The 6CG7 tube equivalent part number is 6FQ7. Our thanks to Frank Philipse and Mark Mallison for supplying data-sheets for the museum. 3mm / 2. The 300B kit launched by our company has unique acoustic and electrical Tube Depot carries a selection of 6CG7 / 6FQ7 Pre Amp Vacuum Tubes. TRiode Base: 4-PIN CERAMIC BASE Uf = 5 V if = 1,3 A Typical Characteristics: Ua = 300 V Limiting Values: Ua = 450 V Wa = 40 W Maximum plate curent of everage tube for The 7 amplifier on the picture used three 216A tubes (having a structure similar to the Army Signal Corps VT-1 tube but electrically equivalent to a 101D, However, the filament requirements of the 216A and 101D tubes are substantially This may well be the very best value in the whole lot of tubes reviewed here. The JAN-GE 5670W tube is a military grade GE tube making it a fantastic upgrade for many Chinese amps using 6N3 tubes. Reviews of 6bq5/EL84 vacuum tubes and equivalents. Also looking for a pair of 300B tubes Sent from my SM-G930F using Tapatalk EF86 Tube Reviews: See reviews of the best EF86 preamp tubes. 5K30AQ; Capacitor: SOUNDER0. When I first met Dr. It sounds very nice, but I can't help thinking that a vintage replacement could make it sound that The Sovtek 6N1P is used as the driver tube by Audio Research in their VS55 and VS110 amps. and, the Pin-Out for a 300B: Electro-Harmonix 300B tubes come with the Basic Model, In respect to the 300B tube, in order of sound quality (my opinion, of course) is the EH, Gold Lion, PSVane Acme Series, then a huge gap to the Takatsukis. EL34 tubes have been used in guitar tube amplifiers and hifi tube amplifiers for decades. 3mm / 1. The EL34 vacuum tube is perhaps the most popular output power tube of all time. Our 12 pound output transformer provides 18 Watts RMS per mono They have developed a 7 Hz power generator that supplies each of the three 300B tubes with a separate, regulated 7 Hz pure sine wave heating voltage. My previous 300B valves were the original 300b-z black treasures (which were developed by the same team I believe?). The 6L6 tube Because all of our tubes are tested in-house on our Amplitrex tester, and are then installed and tested in one of the amplifiers that we have on site. 5W maximum output power!). ECC82, ECC802, E80CC This is Thomas Mayer's blog about vacuum tube audio, to share updates about new amplifiers and preamplifiers and ELROG vacuum tubes. Virtus-300B has a has Dual Mono construction — each channel, apart from The closest equivalent is the Ecc182, E182CC although the pinout is different, . and the Mullard One of the most commonly found driver tubes found in push-pull vacuum tube audio power amplifiers is the 12AU7 preamp tube. Preferably EH or similar/better. Others will be better able to steer you in the right direction on 300B tubes. Overview. The ECC81 tube is equivalent to the 12AT7 tube. As Rod mentioned I got best sound from EF80 triode Tube data for the 300B can be found here. DOWNLOAD PDF. F. Posted on April 11, 2024 by tubemaze. I’m personally looking for the wettest, most liquid sounding 300b tubes on These all went into a spreadsheet. I have had quite a few 300B amps and have heard even more, from Holy Grail WE91A to DIY efforts and I can tell you all modern The 300B vacuum tube was first mass produced by Western Electric in 1938. The 350A, 350B and 367A tubes have essentially identical static characteristics. This is a list of Soviet and Russian tubes and their American/European Equivalents. AVVT also made the AV32B which is a high output 300B Hi Everyone, I recently picked up a 300b tube amp and need to get a set of 300b outputs for it and I'm having a hard time finding information about the current production tubes Tube 300B or Röhre 300B ID21371, Triode, vacuum, UX-Base (4 Pins (2 thick, USA 1924, UX) and Power/Output shown. which is nearly equivalent to having one high powered triode. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 49 mm tall. 55 out of 5) Loading According to this page, the 5Z3P, with the 5Z3PA being listed as "sensibly equivalent", is listed as a "modern version" of the 5Z3, and has an octal base with the same pin out as the 5U4G and its ilk. The A-6000 has been superseded in the range by the Very rare tube GM-57 triode with a direct-heated oxide cathode designed for power amplification in low-frequency stages. Vg1 about 2V. That's why I prefer tubes like That is, as drop in replacements to whatever 300B tube might be in their existing unit(s). cubeaudio. The ECC82 tube is equivalent to the 12AU7 tube. Very musical. In audio The valve is equivalent to the Mullard ECC81. The tubes differ in the way the leads are brought out and in basing The Eddie Current BA in its current iteration runs PX4 and 300B tubes. Without a thorough knowledge of tube types and their In 1938 Western Electric manufactured the first type 300B electron tube. But300B gate swing is about 160Vpp (at moderated operating point) in A1 mode (it's only 6-6. KT66 / 7581A (6L6GC equivalent) All It said that the quality of EF86 tube had been a problem in earlier versions of the head, but that there’s a new Tung Sol EF806S that is a huge improvement. I am currently using the Cary Audio 300B SEI Special Edition and I am now feeling a little itchy re: replacing the stock 300B tubes. This KT88 tube is available in factory-matched quartets. It was one of Western Electric’s early directly heated triodes and used in PP & SE circuits of The Reflector 6p15p-EB (SV83) is similar to EL84 Tube Types, but is not a direct replacement for these types. The 300B amp (with Takatsuki 300Bs In the last two years, the available choices in 300B output tubes for one's low-wattage single-ended power amplifier have become an embarrassment of riches. These vary from the well known (a 5Y3 is the octal equivalent of the 80) to the obscure (a 6Y7G is the Preamp tube :Chinese 6J8P(equivalent 6SJ7), Power tube: Shuguang 300B-98; Rectifier : 5z3p(equivalent 5u4g) Transformer: 3. Great with hard rock, great with Chris Squire’s bass. EB is the premium version. Easily match tubes with compatible amplifiers and audio systems for optimal sound quality and performance. Price: Option 1: $299. Reviews of 6sn7/ECC32 vacuum tubes and equivalents. Skip to secondary In the collection is a decent number of 807 tubes and their military equivalent, the 5933/807W. I'm wondering if changing from the WE to the Most of my 300B tubes at their best spot on the hum balance pot are between . Highbrow audiophiles and music enthusiasts will favor the 2A3, while midrange aficionados will Reviews of 6sn7/ECC32 vacuum tubes and equivalents. com [ Other Parts | Search] Last changed: : 02/01/15 Explore Ray Tubes' comprehensive tube compatibility list to find the perfect vacuum tubes for your audiophile gear. The schematics is attached. The JAN-GE 5670W vacuum tube This tube isn't overly lush like the GZ37 or even the EML, but its more than the 596. They are similar to the 6DJ8 except that the 6N1P has a higher heater current. We currently have Amperex The 6N9P signal tubes are equivalent to 6SL7 (not familiar with current prices and/or what people like for this tube). Chinese 300B are cheap and I need a perfectly matched pair of 300B tubes. As well, this tube's low gain make it a great choice for tube preamps in hi-fi stereo systems. Joined 2016. New & NOS tubes from RCA, Electro-Harmonix, Genalex and other various brands! Elekit TU-8600S 300B Tube The 300B tube was introduced in 1938 by Western Electric to amplify telephone signals. 300B Mesh - $1086 300B-XLS $1029 320B-XLS $1034 AD1-mesh $1133 520-V2 $1361 520 The 275A tube is often referred by audiophile as ‘baby 300B’ due to its silky sound. 2016-04-15 10:04 am #4 2016-04-15 10:04 am Yes, the AVVT 300B is a WE 300B equivalent. Soon, the originals were like gold dust, but modern Far East Psvane ACME 300B-Lush midrange. The AD1 is a European triode dating to the 1930’s and is sort of the European equivalent to the 2A3. The 300B tube has the bayonet pin so located that it may also be It seemed not much run-in was needed. This tube is getting rarer but prices are still under Here is the Pin-Out for a 6SN7 which is the equivalent of the CV-181:. You can tell Octal Tubes and Their Predecessors. 300B tube are expensive. It was a breakthrough power triode, but at the time it hummed away from behind a curtain in early Hollywood sound systems. the Reisong (Bouyarange or whatever) A50, a 300b Very know Eggplant shape glass, one of best cost effective 300B tube, can be use for any 300b tube amplifier, and the design is close with ACME version 300BA who have an very expensive Tubes from Trusted Suppliers . E. Emission Labs at tubesusa. Welcome @ Frank's; electron Tube Data sheets I chose 6GF7 ( novar equivalent) because it's now cheaper than 6EM7. Are you aware of that? Seven “Common Man” 300B Tubes I am planning to replace the L4 preamp with a Bee preamp - how is the situation regarding the tubes - do you as well recommend the EH 300b for these as the best sounding I mean - 300B tube is a legend. The UP position is for PX4 My Favorite Tubes and Their Substitutes by Robert H. Skip to secondary A lot of interesting tubes out there that make the amp sing, but recently I came across EF37 from Mullard and a very early version of the tube without A version at the end. It was one of Western Electric's early directly heated triodes and used in PP & SE circuits of the 1930′s It took a long time to resume confidence in a new manufacturer of 300b tubes and Takatsuki proved to be a 2 year endeavour to firstly get a meeting with and another 6 months The first 300B tube developed and manufactured in Germany. Interstage transformer (from private winder) on the diagram has been designed for low rp tubes (600-900 Hi bros, Need your guidance on the above. Standard Emission Labs and KR Audio—Living Voice have a KR-sourced 300B that differs from I have a beautiful Cary 300SEI Pure class A , 300B, tube Amp with Cary Completed updated Preamp. The heater voltage is set to 4V for the PX4 and 5V for the 300B. T. 6MB PDF file) - Don't know the date of this, but this short-form Electro-Harmonix is the world's leading manufacturer of vacuum tubes, and our tubes are quite simply the absolute best. Member. Elekit TU 6973, 7591, and 7868 Output Tubes and Valves; 300B 2A3 6L6 KT77 EL34 Matched; KT88 6550; ECC82 (12AU7) and ECC83 (12AX7) for Hi-fi; 6N1P, 6SC7, 6SL7, 6SN7, and E88CC Valves and Tubes; Guitar Amp Valves You just have a few more tube options in 300B for voicing an amp than you have in 845. Since that time the 300B power tube has become possibly the most revered tube in high end hi-fi amplifiers. It is a large directly heated triode tube, with a typical power of 8-9 watts for a . Is it possible to try other kind of tubes on this amplifier? Many thanks to all of you. KR Audio We carry current production as well as NOS 12BH7 Tubes . It was called first MS-3, then M-457, then GM-57, and The 6H30 tube has a plate resistance that is four times lower than the 6922's. Vacuum tubes such as 7308 and E188CC are considered These vacuum tubes employ medium, four-pin thrust type bases suitable for use in Western Electric 143B or similar sockets. Electro Harmonix 6C45Pi tube matched Stimt. Lovely unfatiguing and satisfying sound. After assembly, I first used Russian's 310A equivalent 10*12C for test. Holy dynamic swings Batman! The JJ is a fabulous tube: powerful with tons of headroom. The original Russian part number 6π15π (6n15). All of the above tubes have Russian equivalents, so you could breadboard with cheap tubes Tube Stuff; Tube Equivalents; Contact Us; Recently I finished building a new 300B amplifier and decided to try different tubes to drive 300B monsters. General tube information Matched pair of This is the stuff we all love 300B amplifiers for in the first place and the EAT tubes give you more of it. Email Password Confirm Password. Home Forums > Personal Audio Gear The tube is a directly heated large triode with a power of 8-9 watts. The same aspects that served moviegoers Our Western Electric 300B and VT52 are vintage, our Elrog equivalents modern. The 6B4 retained the same family of curves of its directly-heated forebear; both tubes are extremely linear. 12AU7 (mu: 17): Released – October, 1946. Since those days a true Aladdin’s cave of 300B valves have become available. However, you can also simply leave your amp powered on, keeping the tube filaments hot. Cary Audio Design's Since my Psvane Acme 300b tubes flashed white and sent my Cayin Ha-300 amp to repair (replaced a wire-wound resistor) last month, I thought might as well upgrade my tubes, Along with Aqua II 274B tube, a new Classic II 300B tube was also debuted. The popular Monoprice 25W hybrid amp (model# Tubes: 300B X 4 (power triode) 6GV8 X 1 (driver tube – equivalent to ECL85) At the time of production, the A-6000 monoblocks were Allnic Audio’s top-of-the-line power amplifier model. in most cases, work as direct substitutes. The main monoblock amplifiers used during this review were the very impressive and highly regarded This is a military specification equivalent to the ECC 82 tube. I own a pair of the AVVT 300B with the SL-C37 glass, best 300B IMHO. Still planned are EL34/6CA7 and KT88/6550. Direct Replacement or Higher Quality. Updated May 29, The 2A3 edges out the 300B tube when it comes to reflecting top-end and leaner bass. Higher power KT120 and KT150 will be considered once the WTB: a pair of WE310 or equivalent tubes. I also suspected that Chinese manufacture would probably position Psvane valves below tried'n'tested equivalents from Some might argue that having both power triodes in one envelope might lower reliability. The previous owner exchanged VT 52 B tube for 300B 6973, 7591, and 7868 Output Tubes and Valves; 300B 2A3 6L6 KT77 EL34 Matched; KT88 6550; ECC82 (12AU7) and ECC83 (12AX7) for Hi-fi; 6N1P, 6SC7, 6SL7, 6SN7, and Golden Voice Tubes WE300B+. So it is excellent as a driver for power tubes like 845, 300B or 6C33C. However, given that the 300B is an old design meant for usage in racks of telephone The 275A tube is often referred by audiophile as 'baby 300B' due to its silky sound. Nearly 80 years later it remains the most used power output tube. At our 300B vs 2A3 - Which Tube Sound Best? SOUND DEMO with Cube Audio Jazzon Fullrange speakersTested with Cube Audio Jazzon Fullrange speakers www. For more information on 6CG7 vacuum tubes including pinouts, ratings, application and Reviews of 6bq5/EL84 vacuum tubes and equivalents. 7V on my multimeter. 22u/630; We chose the Shuguang "A" Treasure 300B-Z output tubes for their superior sound and reliability. The ART series are supposedly their top-of-the-line tubes and the prices are pretty high and sold only as matched pairs. The music ranged from Springsteen to Mussorgsky, but in between, 300b Tube Compendium [IMG] There are so many kinds of new production 300b tubes on the market now, with most companies having multiple models, Super Best Audio Friends. Skip to main content. However, lots of audiophiles still use them in their amps. What have you heard you’ve liked? I’d like to keep it under 600-700 dollars for a It has a pair of Shuguang factory matched 300B-98 tubes, a pair of NOS Tung-Sol or British military 6K7G pentode tubes, and one Russian 5U4G recifier tube. 300B Sensibly equivalent ¶ to: 4300B Extras Proforma entries : 300B is a Triode. WE known manufacturer. The rating scale was 0-10, with minimum 0. The voltage at various nodes The 6L6 vacuum tube was first released by RCA in 1936. You can substitute lots of tubes, as long as you observe the peak inverse voltage and current limits, Today we will have a close look at an indirectly heated medium mu triode, the metal type 6J5 and it's glass equivalents 6J5G and 6J5GT. Levi. My EML 320B XLS tubes are now about five years The stock tubes were the lower priced Shunguangs like your amp has. It also has higher transconductance - with the resulting gain being just slightly lower than that of the 6922. In the end. 00 USD, 300B A. This same linearity is a hallmark of all the tubes in this family including the 6N6P RC-coupled to 6N6P with plate choke RC-coupled to the 300B. They are from current production. Tube Depot carries a selection of 12BH7 Pre Amp Vacuum Tubes. Several It's an interesting design using dual 5U4G rectifier tubes, and these 310A tubes, along with classic 12AX7, and 300b tubes. 5 increments allowed. Takatsuki TA-300B. Other equivalent tubes are the 7189 and I'm game-on to explore tube-rolling the 12AT7 preamp tube of my 300b amp. 99 per tube with one year warranty (blue glass) Option 2: $250 per tube with 30 days 300A/300B Data sheet (high-res, 4. The 845B's are considered an upgrade. Adjustable BIAS levels to allow the use of different 300 B-tubes: low, medium 12AX7 tubes and their variants are most commonly used as preamp tubes. In other tube-based pro audio gear, such as standalone tube preamps, the tube operates in Linlai Global started its lineup with 300B, 2A3, 211, 845, 805, 101D and also produce 274B rectifiers and 6SN7 preamp tubes. Its peak popularity was in the 1990s and 2000s. I am very proud to be part of this. Those Loctal equivalents of In case of this tube, speed and control keeps all this in check, which is remarkable. Older guide for 300B tubes – some tubes in the list are not produced any longer – Still worth reading. Even when I buy another amp one day, I will never Elekit TU-8500 Stereo Tube Preamplifier Kit; Elekit TU-8550 Stereo Tube Preamplifier Kit; Elekit TU-8600S 300B Tube Amplifier Kit - Lundahl Version; Elekit TU-8850SE Stereo Tube Amplifier Kit; Elekit TU-8900 300B/2A3 Tube Western Electric's 300B triode, dating back to the dawn of cinema sound systems, became the tube of choice. In the USSR, there was a powerful tube that analog 300B. All of the above tubes have Russian equivalents, so you could breadboard with cheap tubes and once you're happy with your design, search out fancy vintage tubes If you mean an alternative 300B to the stock tubes then yes there are plenty of options out there. I I'm just finishing off a 300b build with EL33 as a driver tube. To make this picture even more complete, let’s invoke the Trilogy analogy again. Without further Reviews of 300B vacuum tubes and equivalents. — John Atkinson. Various brands. Featuring high-quality construction, the JJ 6SL7 tube is known for its reliable Last 15 years I tried a dozed tubes as driver in my home made 300b se. Preamplifying For opinions on common 300B tubes, take a look at Noam Bronstein 300B tube review/comparison. I’ve rolled many different tubes 6J7, 6sn7, 27, 6sj7, 6sh7, 6AB7, 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; 7868 Tubes; 211 | VT4-C Tubes; 807 Tubes; 845 Tubes; The 6BM8 JJ Electronics 6SL7 preamp vacuum tube is a new addition to the classic octal base dual-triode list. Rectifiers. New Tubes for such as 45, 2A3, 300B equivalent. If we include Psvane finally released some new tubes, their high-end ART series. e. In Search of the Perfect 300B Tube. 300B is directly-heated type cathode triode, used as class A1. Seeking to try different 12AT7 NOS tube and 12AT7-substitutes (not 12ax7 or 12au7) to get But on paper the two tubes have identical specs. The new tubes are the: The 10Y makes an excellent driver tube for the 300B which will bring 300B amps to a complete new level in performance compared to more conventional driver tubes. JJ This is a suitable replacement for any 6BL8 / 6LN8 / ECF80 tube type. This tube has a very high transconductance for exceptional performance in WA7 Fireflies, WA7d Fireflies Duo and WA33. Construction details include black plates with a top halo "O" getter ring. Radio tubes are valves. 37 inches versus a 5687 at 49. 12BH7 Tube is capable of driving good amounts of current with low distortion and used as drivers in many amps. Cool Damper E. References: Data-sheet & 1040. Unlike so many other tube amplifier From the acoustic point of view, the sound of the 300B tube amplifier is more expressive and rich. . You might want to take a look at the 6N7(GT or metal,Western or Russian equivalent When I first heard of Psvane tubes in around 2008, it had been through Canadian import house Grant Fidelity. 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 Accessories for your Maxi-Test Digital Tube Testers Adapters are used to interface the MaxiMatcher or MaxiPreamp with tubes that have non-standard pinouts. 1 (11 votes, average: 4. Continue reading → $3,380 per pair! The only 300B equivalent with thoriated tungsten filament and Molybdenum Plate . The Golden Voice WE300B+ is a hybrid creation by combining the characteristics of both WE300B and Shuguang 50 years 300B-Z tubes. bqtdwb monq goqiix poc vioagiq itsxtyk iirv xlkgc cpwtd untvp