Prior to the comparison of 300B’s, I spent about five hours listening to n.o.s. We have searched the world for the finest 300B Vacuum tube made today. Also, I have learned the box and stenciling on the glass are not a guarantee of the actual provenance of a tube. I did try to represent the music that “typical SET listeners” would likely play. How long is a 300B good for? Today, if you want to buy a new made tube (new for safety reasons, i.e. We do NOT refer for this to new made replicas, by a USA company, from 1997 onwards.. This DIY 300B triode amplifier project was completed by Stamou Tasos who is from Greece. I have assisted by translating, formating and presenting his DIY 300B … 1. How long do the Chinese 300B tube last, on average? ... As long as the tubes measure good they are all very well usable and sound differences are more a matter of taste. Western Electric introduced 300B for phone audio amplification in the telephone system in 1938. But I'm smitten. I previously built the Latino Dynaco clone amp. The new 2020 F-300B Classic Mono Blocks is a result of our long brilliancy in making 300B tube amplifiers. I was looking for a 300b tube recommendation. Svetlana SV811 and SV572 tubes are high output triodes. Svetlana P.O. Some circuits drive tubes harder, but the speaker also has a lot to do with tube life. Price is for one Matched Pair (= 2 tubes) of Gold Lion PX300B tubes, These are Brand New in boxes, Never used, Made in Russia. My experience with current stock Russian and Chinese tubes has shown a lifespan of about 3000-4000 hours with a failure rate of about 25%, so this will remain a question mark for now. Beautiful shaped (classic Western Electric WE300B stile ST-ahape glass envelope) and fully compatible with all classic 300B tubes, this KR300B is the first choice when the quality of your sound matters. The product portfolio has also been extended from the original line up of 211, 845 and 300B. The Shuguang are reportedly at the lower end of the best in the articulate family of 300b tubes. 300B Triode Vacuum Tube Comparison Review May i first set the "ground rules" here. Several characteristics have endeared the WE 300B to those of us who are interested in high quality audio sound. 25-09-2020, 08:59 #8. anthonyTD. Instead of some geeks idea of going through all the manufacturer's claimed measurements and stuff i decided to do all this just like any normal dette/dude would. In 1938, Western Electric manufactured the first type 300-B electron tube. The plate structure reminds us of the incredible 1930's Cunningham Engraved Base Mono Filament 300B's which were beyond description. The 307 tubes along the cable actually operated for 22 years without a failure! I got conflicting recommendations for upgrading my tubes for my Audion 300B Silver Night amplifier, which "only" produces 7 or 8 Watts. In the 1970s, plain printing replaced the lightning bolt logo. ELROG vacuum tubes continue to be produced on the original production line at the last location of the former ELROG GmbH ... all aimed to improve sound quality as well as ensuring long term reliability. The EL34 tubes are called the “power tubes” and are the larger tubes in the amp. No, 300B tubes weren’t designed to pound out heavy metal, rap or techno. I did not feel much difference in sound though. 2. The last batch of tubes returned to the old logo. My goal is to get that intoxicating tone that 300B is able to deliver in the right system. I've experimented with 5670 tubes and, for now, prefer RCA Command tubes. USA. Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. Price $80 each from El-Tubes, plus shipping import duties etc, list in US around $150 each. The more difficult the speaker load and the sensitivity of the speaker are key factors. SV811, SV572 Super Triodes. I shouldn't have submerged two 300Bs in the swimming pool, damnit. In the 1970s, plain printing replaced the lightening bolt logo. In the thirties, no other tube had as much output as the 300B without the use of a transmitting tube. This high power, high voltage triode delivers 6-12 Watts of pure class-A power. So please read this data sheet carefully. Like the original Western Electric 300B, it has the 8 course directly heated filament, 40 watt plate dissipation, classic large shoulder tube glass, and are available singly or precision matched. He'd had a new Gold Lion 300B tube arc and do damage to his demo unit and I had an hour play of mine before an arcing tube … Afte a long and sometimes painful search we arrived at the same place all the reviewers and audiophiles arrived at: The TA-300B are absolutely the finest 300B tubes made today. … Chinese power triodes like the 300B have come a long way in the last few years. Several characteristics have endeared the WE 300B to those of us who are interested in high quality audio sound. 300B's shootout -The valve of the (last) century [Italian version] Thanks: A heartfelt thanks to Phillip Heitz - Triode et Compagnie - France Author: Geoff Husband - TNT France Reviewed: May, 2004 Introduction. So I spared them the shame. Though many here expressed their disappointment with the WE 396A, I just had to hear for myself: sure enough, it's meh. I'm using NOS Mullard F32 rectifiers, NOS RCA long grey plate 12au7, NOS Amperex Bugle Boy 6267 and Shuguang Treasure Black Bottle 300b. Conducted Confirmed Western Electric Jan-Cw-349A Bottle Long-Term Storage ... Western Electric 275A Vacuum Tubes Sockets Electronics Audio Radio Valve. TJ 300B Mesh Anode Globe. tubes other than 300B’s, primarily VT25/10 and 10Y and rectifiers, plus 5U4G and GB. Location: Los Angeles CA, USA. 300B Tubes. Even if, gulp, that means the Takatsuki. After the tube was off the market for some time, an American called Charlie Whitener, set up the production again, using all old … This morning I double checked the tubes, and found the 2nd pin seems to be broken (see pictures). These tubes are spectacular in both performance and longevity. ). What did I learn in the process? 300B outputs 10W in a single-ended configuration. $980.00 + $22.00 shipping. Long time listener, first time caller. except for a transmitting tube. As a thank you for the 300B amplifier schematics, Stamou has shared with us his implementation of the 300B single-ended (SE) tube amplifier schematic by J.C. Morrison. Although Enjoythemusic, TNT, and 6moons have posted 300B tube comparos in the past, they happened in 2001, 2004, and 2008, respectively. It's power and high plate voltage rating would also make it very usable as driver for large output tubes like 300B or 211. It’s been a long time since one of these last appeared. All NEW and Improved. Better go get them. If we include the souped-up versions—which, in fact, deviate from the original 1930s Western Electric (WE) specifications—the number of 300Bs to choose from now includes about 15 different brands and types. Voice/Fax: +7-095-407-0310 E-mail: el-tubes@mtu-net.ru Website: www.el-tubes.webzone.ru . These tubes output a high gain that is used to drive the speakers. Well, it did eventually came up after a few minutes, but much slower than other 3, and its temperature seemed not as hot as others. For this review, I compared the Takatsuki TA-300B tubes primarily with two other tubes, my long term reference Western Electric tubes and the Shugang Teasures “black bottles” in my Audio Note UK Kegon Balanced amplifiers. They glow brightly and give off plenty of heat, which will wear them out much faster than the smaller preamp tubes. Pretty amazing! It is probably the most asked question, and for this we refer to the one and only genuine 300B, as made until 1988 by Western Electric itself, in the Hawthorne plant in Cicero, Illinois, USA. 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. Do not simply plug & play a 300B-Mesh instead of a 300B-Mesh. The 300B-Mesh can replace a standard 300B-Mesh in several cases, but not in all cases. If there are better sounding 300Bs that will last long enough in a Kaiju to make spending more money worth it, I'm willing to spend that money. Note the Shuguang WE's lasted many years so no issues with either tubes for longevity both in my experience long lasting tubes. This Valve is rather new, the units I tested where some of the first series units. Steve Hoffman Mastering Engineer Your Host. The only thing that can’t be verified at this time is how long these tubes will last. The Western Electric 300b has a long and distinguished history, which I don't intend to go into here beyond this brief resume! EAT 300B Vacuum Tubes. All tubes are burned in, tested and matched data on tube boxes. Now at True Audiophile. Last one. Sound Character of the EML 300B . I've just purchased a Modwright HA-300 headphone amp and upgraded to Genalex Gold Lion 300B from the EH Gold that Dan uses as standard. Hi tube experts, Yesterday when I turned on my amp, I noticed one 300B tube did not light up. Matched pair of genuine western electric 300b tubes. 300B tube description (old production xxx---1988) Production of WE 300B was stopped in 1988, and a last buy option was given to all. My amps are on from 6 to 8 hours a day fyi. cihtog: Introductions: 5: 15th April 2012 01:05 AM: You may laugh..but don't waste your time trying to dissuade me. 300B delivers smooth and natural sound, especially when coupled with high-efficiency speakers. 300B preamp. DIY 300B Single-Ended-Triode (SET) Hi-Fi Amplifier. To my question: how long can I expect new production 300B tubes to last in the Kaiju? We're pretty excited about these tubes. KRON Audio 300B Matched Pair - KR 300B high power triode. Overheated anodes may result if you do not check the following conditions, and such a damage is not covered by the guarantee. Ultra-long life, top-quality construction, and superior sonics make it the finest 300B available today. As I write this I'm ordering a second set of Genalex PX 300b's after one of my WE failed. The Kaiju is my first and only experience with 300B tubes. They’ve also gone up a lot in price. There is no comparison. stereoguy, Nov 12, 2014 #16. How long do EL34 tubes last? Richard Foster’s excellent articles in hi-fi+ were….10 years ago(! And we merged the two previously offering, original F-300B (Built on a strong metal production chassis) Mono Blocks and the F-300B Walnut Edition (Constructed base on a small wood frame) together to officiated this new production of “300B Mono Blocks”. Price is for a Factory Match Pair. It was a breakthrough power triode, but in those days it hummed away from behind a curtain in early Hollywood sound systems. I am currently have a pair of Sophia Royal Princess tubes and am not crazy about them. Last edited by Sixty2; 26-09-2020 at 05:28. For example, tubes will last much longer driving a 100db 8 ohm speakers than an electrostatic speaker with an impedance ranging from 50 ohms to .5 ohms with a sensitivity of 83db. I've never heard another 300B amp nor a 300B other than the EH and the Genalex. The last batch of tubes returned to the old logo. I listen to mostly rock and jazz and wanted a tube that had some punch to it and not necessarily a "delicate" sound. Box 84 Moscow 127560 Russia. The same things that served moviegoers back then—low noise, ultra-long life, sonic purity and warmth—made it a standout tube for music lovers and vintage audio collectors as the years passed. That is, as drop in replacements to whatever 300B tube might be in their existing unit(s). In the thirties, no other tube had as much output as the 300B.