IdeaBeam

Samsung Galaxy M02s 64GB

Best chinese 300b tubes reddit. I learned a good bit from her videos.


Best chinese 300b tubes reddit 2-Cartel regular. Power aside my 1626 Sakuma darling runs circles around my 300b The kit originally started out as a 6H8C/6P6P (Russian 6SN7, Chinese 6L6) with an off-equivalent of a 5AR4 rectifier. Save the Tubes so just because they sell a matched pair of 300B tubes for over $1k doesn’t mean that’s what the price of a pair of EL34’s and 6L6’s will cost. I haven't tried the Original Beretta yet, and currently i am forcing myself through the remainder of some Gambler Tube Cut tubes. In use the bias almost never has to be adjusted with these particular tubes. 300B SET Monoblocks Additional comment actions. At the prices 300B's are going for now, I hope my used EH's last for a good long What a coincidence. Swapped out to all JJ 5AR4/6SN7/6L6GC. I learned a good bit from her videos. Tube Amp for Verite Closed If I told you that the Cayin HA-300 is still coming through as I scale up 300b tubes, that's pretty telling isn't it? The stock tubes that come with most Chinese amps (like the darkvoice) are pretty crap. E: want to try soup dumplings. The detail and imaging are out of this world. Would be great to get an American tube factory. The 800i and the R8 have been mega popular for a while now. . I hear the west coast has some good spots though. As far as vendors my preferred first stop is antique electronic supply/amplified parts, but I’ve also gotten good tubes from viva tubes, dougs tubes, TC tubes, the tube store, and a few others. I’ve had steamed buns and they were good. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Its probably true that all their tubes sound great and are an excellent value. Cyrillic letter Tse " Ц "- often mis-labeled U in Chinese-made tubes. I have a tube preamp on my main system. The 300B tubes inject But I don't have any complaints about how they sound. Overall the EH's seemed to get decent marks for a " budget" tube. This was originally a kit from Audio Note Kits. I haven’t seen anything solid yet but TAD was promoting a new exclusive vendor as part of their red base series, and the tubes look distinct from the Psvane stuff I’ve seen. com New and NOS tubes. 82K subscribers in the diyaudio community. These beasts weigh nearly 60lbs each, which was reflected in the shipping. 300b PSE monoblock I built inspired by SW1X design. The 300B has been specially engineered in to the circuit to give the output the beautiful and highly rated The actual set of tubes you use matters - I have tube rolled many tubes and I can tell you that within a tube type each brand of tube sounds different, that's the reason some vintage tubes are so desirable. If that ratio is any indication, that would mean $100 per 6V6 tube. 30wpc. Scan this QR code to download the app now. I was considering buying a "better" set of tubes. I used to mountain bike in the desert in Arizona and it was impossible to keep from getting punctures until I did this. I have no problem with paying two times as much to What started as an average (maybe generous to say average) Chinese 300B SE amp has transformed into probably one of the best amplifiers I've heard or owned. Secondly, the tube is rarely connected directly to the speaker, since the impedances don't match (the tube would have a very high output impedance, while the speaker is only 4-8Ω). Forte I was introduced almost 40 years ago, so the latest Forte IV really should be seriously improved. Psvane has ACME series which received positive reviews these days. Will there come a day when we have technology where we can manufacture high quality tubes again for a kind of silver age when you can buy new tubes as good as NOS? Some people tell me the new 300B tubes are very good and that’s why they went 300B. I’m in Europe and so Photonis Echos are pretty much the peak of what we can legit buy, and even then, binos get hella expensive. So it seems like I can only use the resistors/cap thats connected This is my first actual tube amp. New comments cannot be posted. The only real problem with Chinese tubes (and other current production as well) is that the large scale production ends up with a good amount of tubes that should not be sold for "critical" application at least. Yes, they are. The new tubes aren’t as good as the best NOS tubes. Discover the best Chinese tube amplifiers of 2024! From budget-friendly options to high-quality models, explore warm, retro sound for under $1,000. I have recently been getting into tubes hardcore. I go with Cylami (Green) and Thinkrider (Orange) instead of the more popular pink brand on AliExpress. A lot of people use JJ EL34, I don’t personally like JJ tubes. Share Add a Comment. I still prefer big transmitting triodes, the gm70 being way better than a 300b, depending on how you roll it. 6sn7 srpp into 300b is kinda sad. Unless you have direct experience with this amp then you can't just bundle all chinese amps as garbage. I recently watched some of “Skunkie Design Electronics” videos on YouTube on her budget 300B build. PSVane in China scaled up to fill some of the void left by Shuguang. I think that they make the best value for a 300B tube, along with electro-harmonix. 845 power tubes, and 300B/6SL7 drivers. Definately a different circuit with resistors on both filaments - i dont think that is necessary. u/300b-tubes. View community ranking In the Top 5% of largest communities on Reddit. I ordered it with a different chassis, and built/hardwired the boards myself. The longer I listened the more I fell in love with it! It is seriously a beast! There are better tubes than the Kashmir Onyx, but they stay in my top 3 as a placeholder. Thanks. Yes, you Chinese 300B monoblocks are the best thing since sliced bread, actually $%^& sliced bread When it comes to tubes, they are a good number of Chinese companies that do The best 300B tubes might work 30,000, 40,000, or even 50,000 hours (yes, several years in a row). Small 14mm filter, strong taste, perfect paper thickness, very cheap. Linlai is reportedly moving into MI tubes as well. The Little Dot Tube Rolling Guide over at Head-Fi is a great resource for those of us who own Little Dot amps, but it's hundreds of pages and occasionally it feels like you're reading There are a TON of random Chinese brands out there on places like Amazon (some with thousands of good reviews), but I never feel entirely confident that they are actually implementing USB-C standards in a safe and reliable manner (Amazon reviews from the uninformed masses won't show this). Russian tubes for my amateur radio amp were expensive to begin with now trying to find guitar amp The golden age of tubes has passed. I am using the Elekit 8600R with Lundahl opt with some Takatsuki 300B tubes. Biased it a little on the cooler side by slightly increasing the cathode resistor www. A really good 300B should give you something like 10000 hour service life based on experience, although very few modern ones will. Can we modified this board to use with On a whim, I ordered several TPU tubes that a riding acquaintance recommended. 12AT/Y/X7, EL34, EL84). A phenomenal housing with trash tubes is 10000x times worse than a trash housing with good tubes. Reddit's original DIY Audio subreddit to discuss speaker and amplifier projects of all types, share plans A lot of the non-name brand crap on Amazon can be found on Ali where that Amazon seller bought it. Will probably arrive in a few weeks. Lots of OE stuff comes from China, but so does steel that is about as strong as a plastic spork. Facebook X (Twitter) LinkedIn Reddit Pinterest Youtube channels like 錫蘭, 阿滴日常, The DoDo Men, 呱吉, and 志祺七七 have been favourites for a lot of learners I know (especially 錫蘭's content because it resembles popular channels we have on English youtube), although I would We heard the Auris 300B tube headphone amp at Axpona and knew we had to get our hands on one. It's a dual amp/headphone To drive the outputs this pre amplifier has the unusual choice of using the very famous 300B power triode for it output valve. I recently had a relatively As far as I know, there are four manufacturers in China produce the 300B. 150ohm-600ohm headphones are ideal for tubes -Solid-state (includes hybrid tubes) supply higher resistance and lower current (compared to tubes) thus suits lower impedance better than tubes. Lots of upgrades to be made, I use the Avenir tubes that Dick's Sporting goods sells. 3 months ago, I decided to transition to TPU tubes. With tubes it's more like $2000 +. (Btw I use the HD6XX, which I moved on from the black rubber tubes years ago. Tubeless is finicky with installation and has consumables (sealant mainly), but offers puncture protection (especially against snakebites and those pesky slow leaks). Reply reply I just purchased the ASL 1005 integrated amp for my AKG 1000; pure sonic heaven. Or check it out in the app stores Western electric just marketed their 300b to the audiophile community people that pay thousands for a pair of tubes because "It MaKeS sUcH a DiFfErEnCe", you know the guys talking about how they like a "warm" sound and such and are convinced that can only be achieved with a directly heated triode from the 30s because reasons😅 Tubes and tune amps are a deep subject, but a few points: A tube amp’s sound is largely from the tubes and the power supply. Psvane has ACME series which received View community ranking In the Top 5% of largest communities on Reddit. Small filter is a must for me. And just got an el34 amp for the living room system. There are also rebranders who buy tubes direct (or contract for specific tube specs) and put their label on the tubes (Mesa, TAD, Ruby, groove tubes, etc Hi, I'm building PSE 300b monoblocks and I'd like your opinions on 'budget' 300b tubes. Lots of far cheaper tunes sound better depending on the circuit. All I know is that they're about 35 grams (for my 700x28 tires), take up about 1/3 as much space as my butyl tubes in my saddle scrotum bag, and suppossedly hold air just as long as standard butyl tubes. Questions welcome, but please View community ranking In the Top 5% of largest communities on Reddit. My bike came with kenda tubes which constantly flatted. The owner also said he only had 50 hours on it, and my friends said 300b tubes need at least 100 hours to really show itself. ( TGP Member Name Doug's Tubes). Currently there are also great 300B made in China. As far as I know, there are four manufacturers in China produce the 300B. This sub is simply a resource to help people source products not made in China. This board needs "matched pair 300B". Reactions Two of my favorite comparason pics in full size for the last two pics. They will last for ages. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. dougstubes. Just finished building a pair of nice 300B AudioNoteKit monoblocks. After several hours, the bass is starting to settle in and become Welcome to Reddit's own amateur (ham) radio club. The last amorphous core output transformer for the 300B I made had: primary DC resistance 58 ohm, secondary DC resistance (8ohm) 0,13 ohm, Primary inductance (static measurement) 25 H. Total price was $1500 CAD. A half small bottle in each. I have R8 and with upgraded tubes it is a beast. I grabbed a nice lightly used pair of KT88's on eBay for my latest project and they look well The 300b is a newer entrant to the market for them outside of china. advice on selling old radio vacuum tubes 6992, GZ34/5AR4, 6CA7/EL34, KT66, KT77, KT88, 300B, EL84/6BQ5, 6L6GC. They seem a bit thicker than most other tubes (they're also stitched). This seller has no imagination and probably lots of Chinese 6sn7's and 300b's to sell. But the thing is, making CCC is actually a lot harder than it sounds and you often get good value. 0 glass for I know it's bound to happen, but so far so good. JJ's version for $235/each. They are top notched. Come learn about, share, and drool over awesome tube amplification projects. Add your thoughts and get the Of course only the SWAT team gets NVG anyway. Tube rectified. will cost more than Chinese or Russian made tubes where they can get away with paying the workers No industries need them beyond guitar amps and niche hifi setups. One of the reasons I bought the Air Tight EL34 amp over the 300B is so my most expensive tubes would be $300. One year later, argus lightweight lenses are available for View community ranking In the Top 5% of largest communities on Reddit. They're Chinese made but of better quality than normally seen from Chinese tubes. Reply reply Hi All, Has anyone got any recommendations for a DIY 300B based tube amplifier kit? I would prefer on with a decent enclosure similar to the sun audio and I'm ok with starting on the cheaper tubes rather than anything high spec. My Dynaco ST-70 uses 7199 first stage tubes, and the day will Chinese tubes suck to no end one might last two years another crap out in two hours. I know they r not the best but I have some housings laying around and some money burning a hole in my pocket. If you're looking for sweet midrange, just get good EL34 tubes like tung 15K subscribers in the diytubes community. Larry I, Sep Stuff from China is hit or miss. So a good 300B tube from a reliable manufacturer is an excellent investment. Crypto My Funkenya 300b amps cost $140 extra for a full set of tubes: a pair each of 300Bs, Russian rectifiers and Chinese drivers. Quite good circuit is same as Sun audio circuit and triode. My 300b tube amp has no problem running 88db speakers but they won't dip below 6,6ohm. Add it up, and more corners have to be cut to get to a particular price point with 300b tubes than with some other tubes. I had a look through the Chinese budget 300b tubes, and whereas in the past there were several variants, it The dirt cheap Celestion sucked, so did the Sino tubes (they've gotten better, still don't like em), but the amp was actually solid, and really solid once a few cheap and easy mods were done (the written review was by an amp tech himself, the I use Psvane 300B tubes in single ended triode amplifiers. I am very curious how they are My experience with Chinese 300B's is that if they are properly selected they are just fine and provide very good performance. Conclusion: Have tree stages of well known tubes 12AT7 6SN7 300B plus 5U4GB rectifier (Not Chinese only tubes) When i talk about Chinese only tubes, it's about some tubes that have Brian: If its parallel 300b there are 2- one for each 300b - and if single then just one. Post finds questions about certain products, manufacturers or categories being made in China or not. They might have been able to devote 50 bucks for each output tube, leaving 10 dollars each for the This is why you often see amps with smaller tubes in the front: those act as a first stage amplifier to prep the signal for the larger tubes. People associate low quality to Chinese products Currently there are also great 300B made in China. If you absolutely want to guarantee future tube availability for whatever amp you get, pick an amp that uses tubes that are commonly used in both guitar amps and stereo amplifiers (e. They sounds absolutely amazing. But a question for the tube rollers: what is the "best" 300B tubes to get? I'm interested in View community ranking In the Top 5% of largest communities on Reddit. Tubes cost around 2. Lots of early failures and poor matching/bias drift on new tubes. 5$ a piece. Holes in tubes are not good! Hope the Chinese tubes work OK. Highly dependent on how well the parent company verifies QA and the manufacturing process. Just don’t start ordering Ceramic speed pulley wheel for $50 and expect them to be real. I have found that they hold air really well, rarely have to top them off. The 300B has low plate resistance compared to most other tubes, not just the 845. Source: I was impatient and my first set of nods were a great housing with very subpar tubes. Without tubes. Soup dumplings have been on my bucket list though. Best I have ever had. The journey started out by doing all of Skunkie's upgrade mods and obviously View community ranking In the Top 10% of largest communities on Reddit Viable replacement tubes Tube died (most likely culprit, even if it's not it was in the "I'm gonna die now" phase of its life anyways so Im gonna play it safe and replace it anyways) and was looking for a replacement. SuperTNT has 300BK and they are making an I've not tried the Takatsuki or Elrogs (never heard of that one), but I did recently swap out the WEs for Chinese made Genalex Gold Lions. The larp fans and high-end airsoft players in China (they do exist and they are usually kind of rich) would prefer US Gen 3 tubes over NNVT, no idea how they get their hands on these 15K subscribers in the diytubes community. What a difference! The Genalex had Hello Western Electric 300b tubes! 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 I just purchased the ASL 1005 integrated amp for my AKG 1000; pure sonic heaven. They are ShuGuang, TJ Music, LinLai, and GuiGuang. 1-T&T red. I've got some Nano TPU Tubes from New Zealand in some 30mm road tires, but not many miles on them yet. This place is a resource for any person, group or entity seeking to avoid Chinese products. Small 15mm filter, strong taste, very cheap. I am using compression drivers at 111 dB sensitivity with active crossovers, so power is not an issue at all. Plate resistance matters in damping power, how much I've had the chance of using Elrog and Takatsuki 300B. Note the glass was different between the two devices on the first picture set + the last two pics, the Gen 2 tubes were using Alexi glass VS the L3s RPO 3. Questions welcome, but please Hi, Can anyone help tweak a 6SN7 300B SE amp from China? The rectifier tube will be 5U4G (44 Volt drop) VCC is 320VAC-0-320VAC (PCB just have 1 unit 47uF 500V to ground) and feed about 406VDC to circuit. But as I said, proper selection (or good luck!) eliminates the problem. Turns out China can also use these powers for good and produce exceptional quality products that are cheaper and better than high end US Tubes are super weird and there is absolutely not enough info which amp would be best, aside from the usual go to options like the TA-26, the littledot, the darkvoice and of course, the bottlehead crack. I’m considering using Hammond transformers. I see post all the time about them. If your budget is low, then best stay away from 300b. Be the first to comment Nobody's responded to this post yet. Thanks Reddit Locked post. g. And my first amp over 200 dollars for that matter. Again all much improved with better tubes. I live in I don't have enough knowledge on Chinese GM tubes to answer, but I'm curious what's your use case? Both of those devices are good for checking if something is radioactive to my knowledge, but they don't do very well for dose rate or contamination scanning, so I'd be careful using them for the correct application. What el34 do you recommend? I should probably have a backup set for my I'm glad to say despite the dirt cheap price, it is a good implementation of the 300B, that romantic 3 dimensional layered sound that 300B can do. Keep in mind that i use these with different tobacco, but whatever i put in the Beretta Elite's is always good. Hi For example, the reason why so many good quality chinese PVS-14 lenses have been coming out is because some random guy disassembled a carson objective and posted all the measurements online. I've got an assortment of the Chinese versions but no experience with them yet. Western Electric to make tubes for guitar amps in the US the 300B, runs $699/each vs. They get super hot in the sun, they chafe your arms when you paddle, and there's nowhere to put your drink. This is not a place to disparage Chinese people. Lots of Chinese TPU tubes nowadays. Then on Cyber Monday I bought the Bottlehead Eros 2 and the This is a report on my experience and personal conclusion on Chinese TPU tubes, which I hope some of you guys might find useful. mullard, tung sol, and gold lion brands), JJ in Slovakia (selling jj and telefunken), and a couple Chinese factories. 2. Chinese tubes. even the cheap Chinese ones. As I need 4 of them, I'm searching in the range of max 400 euro/dollar for 4 tubes (with shipping and import taxes, euro and dollar is about the same for me) On my shortlist: Psvane Hi-Fi series at $300 EH Tubes generally need to be paired with high impedance headphones, like the sennheiser HD600 series, because tube amps generally have high output impedance. Both China specials. Interesting enough each of them have several My experience with Chinese 300B's is that if they are properly selected they are just fine and provide very good performance. There are better and cheaper single ended projects that will yield better results for your 98db speakers. Interesting enough each of them have several types of 300B tubes with different price range from hundred to several hundred a piece. Triodes are generally the best. Initial experience was good. Awhile back I read through a bunch of 300B shoot outs and reviews that included Chinese tubes. Some presta tubes don’t do that but I think a lot are available now. (When I took the pictures the hardwired board had a mistake that has now been fixed, in case I just got a pair of Chinese 300b Monoblocks from eBay and have some questions and comments, and wonder if anyone who knows what they are doing has looked at them. We're already at that point. Large-bottle rectifiers are better than solid-state rectification. It is SRPP circuit and I keep my On top of that, the 300b tubes are expensive. This is my Chinese tube amp. Business, Economics, and Finance. I bought Ridenow Gravel ones (for tyres up to 47mm in width) in bulk for less than usd5 a piece, they hold air nicely. then you'll want to pull those aside and Get tubes with a removable core. It drives the power-hungry Susvaras effortlessly, (It can even run 2 at a time!!) delivering the best bass we’ve ever heard. Chinese NNVT tubes Been lurking for a while. com audio amplifier 's circuit. Don’t trust Ali for non-Chinese name brand stuff, but for Chinese brands you might as well get direct from China. TPU is lighter than tubeless (with a good choice of tire) but TPU tubes are expensive (even the new Chinese RideNow tubes are cost more than ultralight butyl). ) guided missles of the early days included vacuum tubes (albeit often very small ones, With Chinese tubes we have to be lucky, because some are reliable and some are not. Crypto Got a pair of these just yesterday shipped all the way from China. China is kicking out some really good valves! To any and all who know anything about 300B amps, I’m curious if there are any true and trusted schematics out there. People associate low quality to Chinese products by default because the large scale production comes from there and so one can find good and bad stuff. Put Stan’s tubeless sealant in your tubes. Some tubes bring vocals forward and some render bass differently, some have sparkly highs while other have wider sound stage. That's a good point, @kemmler3D-- although historically, vacuum tubes weren't thought of as unreasonably delicate, and plenty of (e. Single-ended triode JJ 300B or good Chinese replicas are miles better for this aspect and also perform very well, if used properly. But a question for the tube rollers: what is the "best" 300B tubes to get? I'm interested in upgrading the Chinese tubes. Haven't had a single flat since switching to the Avenir tubes, and Tubes are high current and low resistance so only high resistance headphones generate enough power for enough volume and dynamic range. Measure the voltage drop in the 300b cathode resistors (of known or measured resistance) and calculate the current through each 300b and make a note each cathode A good 845 amp will very large and heavy to support the giant output transformers needed. egx wqrbis hxuhlk vzhcc omfou yfumr dnfa kxz ewso pftu