Unfortunately I’m not familiar with your amp so I couldn’t venture to say how it would compare. It’s a serious threat to all the other popular 15-watt tube amps. Allnic T-1500 I recently obtained this integrated from Dave Beetles at Hammertone Audio on a trade (Important note in the interests of transparency – I know Dave Beetles and count him as a friend but have no interest in his business. If you’ve got a 300B amplifier, the first idea to enter your mind will be changing the 300B tubes. To use with Monitor Silver 100’s (and Rel sub). It comes in a big box with everything you need to build it, minus a few basic tools. Upright bass was some of the best I’ve heard on my Lowthers. Review: Allnic T-1500 300B Integrated amplifier Tube amp. Impressive flexibility and controls. The vacuum is claimed to be unusually high: 10e-9 Torr against about 10e-6 for a normal tube. In the big amp, the rendition of the C60 was somewhat veiled, colored, and smeared, though the midrange was pleasant and velvety. However, the amp only has one set of inputs. Everything is really well done here. Hi Thomas, I've had a ton of "high end" amps, both solid state and tube, and I'm not quite sure any of them have brought to the table what your little EL84 amp has. Golden Dragon 4.300B: About $340/pair. Tim: the circuit/schematic is proprietary, as you might imagine, and is not being shared publicly. Today 2A3 is often found in the output stage of single-ended audio amplifiers. The anode has extra cooling fins for higher maximum dissipation. For the 300B tube bias, the power supply is equipped separately, and a ”New active automatic bias” is used where the amp detects plate current and automatically adjust the grid voltage. A pair of such vacuum tubes sells for 250/300$, to say the least, and that is a quarter of the price of the whole amp. cheers, Hi Ben, I personally find other subs sound loose and boomy. Any more circuit tidbits in part 2 planned? In doubtful cases, we added an extra 100 hours (see sidebar "A Tale of Burn-In"). Thankfully Shuguang … As delivered to me for review, the MD-300B was outfitted with JJ/Tesla 300B output tubes. Still, nothing detracted from the enjoyment of listening to modern orchestral recordings like this one. My expectations were high, but this amp has really amazed me. Review by Noam Bronstein As music pours out of Elekit’s new amp through my speakers, I’m smiling, and remembering that some things are much more than the sum of their parts. This amp is the only class A OTL amp available. By Steve Huff. http://www.elekit.co.jp/en/contact/orderflow.php, They also have a Facebook page, if you use FB that would allow you to communicate with an automatic translation. The power output, of course, is the usual, that is 8 watts per channel on a … Review; Q&A; Video; Related Products; Customers Also Viewed; Buy Now The Ultimate 300B tube from EAT. Having heard a fair share of 300B amps over the years, I concluded in the wake of my Yamamoto A-08S review that a well-implemented premium 45 like a big Emission Labs has it all over 300Bs in linearity, transparency, control and definition. Aiqin's 300B tube amps are already one of leader of chinese market AIQIN is well-known brand in china, this 300B tube amplifier is sold a few hundred per month. I needed to select some music that could be used to analyze the strengths or weaknesses in each tube. https://www.facebook.com/EKJworld/, There is a Europe distributor in Poland I’m talking to now. Psvane indeed have taken the golden opportunity to expand and fill in the void left by Shuguang tube factory's shutdown in 2019 due to sale of land and relocation, and Psvane has set the stage for expanding into the mass production guitar amp market, which mostly use small signal tubes and EL34/KT88/KT66, et cetera. Always check with the tube and amp manufacture for the recommended bias value. Bass was round and soft, lacking real pressure. My comments so far are based on listening with my Lowthers, and comparing the amp with other amps I’ve been using of late (Pass ACA, Elekit TU879S). Their bass was a touch fatter. The Elekit will drive speakers of considerably lower sensitivity, and Part 2 of this review will include a “road tour” to hear the amp with other speakers, in other rooms (friends). A good review of these components can be found on the article published in Hi-Fi World. Valve Art 5300B: $198/pair. "The EleKit TU-8600R you are examining is the deluxe version—it costs $1785," Kung replied. Minute 300B S.E.T. They take this amp to another level. Tube Amplifier Store is a pleasure to deal with. And you built it yourself! But a bottom plate that unscrews easily would have been nice, so that those parts could be accessed from under the amp without a lot of disassembly. So even the most modest 300B should bring you some of that magic. Cymbal hits were impressive, delicate and amazingly realistic. Given you already have a D3a (about the best driver tube for a 300B Amp I can think of) in your amp, why not use it? There is more that I’d like to cover, a lot more. Most of the passive parts face down toward the bottom plate. In terms of cost, the AN is priced quite a bit higher nowadays. Two of m y 'a udiophile ' friends have Air Tight 300B amps they paid over $8000.00 for. They are all worth considering. The amp requires the most neutral preamp and sources, and works well with tube or solid state. We spend 81 hours on researching and comparing 12 of popular models to determine the Best Best 300B Amplifier 2020 you can buy. That’s why you’re reading this review, naturally. This tube sounded quite musical and considerably more open in the DeJong amplifier than in the AudioNote, where a loss of dynamics was noted, and voices were contaminated by a hard, edgy ring. She is made by the most famous Chinese brand AIQIN, and it's the China 's best-selling hifi tube amplifier! Now the amp is dead quiet! Amplifier (fully assembled) $ 2,199.00. Just want to say I agree with your comparison of the Psvane and Gold Lion 300B. Valve Art 300B-C60: $179/pair. I could (and did) listen to this 2-CD set for hours on end. If one is to give a reliable evaluation of a 300B, it is essential that the tube be burned in for an appreciable amount of time (footnote 4). This is a key difference over the TU8300; the designer (Mr.Yoshitsugu Fujita) found that with CNFB being applied, it requires higher input and the amp has to be driven with bigger amplitude than what was achieved with the previous single-stage of the TU8300 (which was 2 x 12at7). 04-17-2019 2:24pm. In SET (that’s single-ended triode) world, you’d normally see only a pair of output tubes, one per channel. 1. Such sounds can only be reproduced by combining a directly heated tube amplifier with a pair of horn speakers. With the Lundahl trafos, the Elekit should give the AN a run for its money. You may also wish to try matching the Gold Lion 300B with JJ ECC802/3S gold pins. Please select the information you want X. 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. What could be improved? Something about tubes…. Second, the big deJongSystems amplifier exhibited much tighter control over the 300B than the AudioNote Kit One amp, which left more freedom to the tubes. The sound was authoritative, but showed signs of uneasiness in very complex musical passages. Having heard a fair share of 300B amps over the years, I concluded in the wake of my Yamamoto A-08S review that a well-implemented premium 45 like a big Emission Labs has it all over 300Bs in linearity, transparency, control and definition. Looking at the impedance curve of Klipschorns, below 8 ohms between aprox. By Steve Huff. This method tends to deliver a tighter, faster, punchier performance than tube rectification, with the tradeoff being a less tube-like presentation. Sold as pair. The EC-300B, to any tube lover, is simply beautiful to behold, but don’t mistake that for a lack of substance. Lacked precision and dynamics, high-frequency range somewhat detached; could do with better rhythmic control and a less confined space. There is no apparent difference in construction between this and the Sovtek 300B, but close inspection brought up a different grid wire. It was pretty good rhythmically, if not very inspiring. Nor does it ever sound dry or analytical – and yet, it does have some of the desired qualities I associate with (good) solid state amps. Some things just work, and those who have heard the mighty 300B tube perform its magic through full-range drivers understand this. Notify me of follow-up comments by email. The first visual inspection of these tubes shows a very heavy-duty build quality. For Psvane, mine is of the T II variant, thicker bass, but less articulated than the Gold Lions. That said, each tube had its strong points, and I tried to take a somewhat objective approach to the comparison work. But, if there’s an Elekit for sale near you, check it out and let us know? Today, the 300B amps have had a bit of a resurgence (and to some, they never went away – just like vinyl) but there are no incredible tubes to power them with. The 8600’s ‘sweetness’ is unlike any 300B I’ve heard, though. More honesty. The ground noise issue can be fixed by isolating the rectifier board from the chassis. They are very accurate and coherant with the main speakers due to having the same source rather than seperate sub out. Any thoughts on how this wold compare to a completely different amp – Rotel 1552 mk11? It can … Review By Dave Hanson The 300B is a bit of a holy grail when it comes to tubes. The cost isn’t insignificant, but the value for what you get is astonishing. The reason Thorne had brought the bespoke-built Meishu integrated (approx. (I know that old WE is a different story.) Read honest and unbiased product reviews from our users. Despite its relatively low output power of 3.5W, 2A3 delivers that magical sonic signature unique to a directly heated triode tube. "Your tube amp was GROOVIN' right out of the gate! You just have the overwhelming sense that you’re listening to a great amp. Some things just work, and those who have heard the mighty 300B tube perform its magic through full-range drivers understand this. Focus was a bit vague, but there was no veil; in the AudioNote, however, some veiling was evident, and the entire presentation was rather dutiful and uninspired. The short answer is “it depends”. But you assembled and tested it, which in itself brings a great amount of satisfaction to the equipment purchase experience. Especially: a sense of authority and ease, a lot of dynamic capability (at least with sensitive speakers), a lot of punch, for lack of a more refined word. Good question. My understanding is that orders are already outpacing supply, and this is listed as a limited production model. The 4.300B was slightly less musical, with slightly more control and better focus, and was slightly better in the bass. The sound quality and the built quality are exemplary! Compared with NOS WE 300B, Acme 300B has clean treble with beautiful tones while NOS WE 300B has slightly tighter bass. I made notes on several other well-known recordings (, So, is the TU8600 an integrated amp, or a power amp? The Melody AN 300B uses four 300B power tubes for the amplifier section, two 6SN7 tubes, and one 12AT7 tube in the preamp section, which are all … I think the choice to face this board upside down had to do with isolation of the passive parts from the transformers – a good choice. Please also try to compare it with the TU-8200, for us who are planning to switch. You finish an Elekit build, and you’ve just put a world class hi-fi product on your shelf. Something about tubes…. It's the best 300B amp for the money, hands down. Tube rolling is fun, so by all means, have some fun. My TS SE OTL got water logged in an accident and is unrepairable. It still sounds like a tube amp – but not a budget tube amp. To be clear – the Psvane are also great tubes, I enjoy them and they do compliment the Elekit very nicely. Group B KR Enterprise 300BXLS: $480/pair, 2-year warranty. --Benjamin de Castro "I regard your EL34 SE amplifier as the best audiophile product I have ever heard and I owned. Golden Dragon 300B: About $250/pair. Placement sounded ‘unnatural’, likely revealing that this is a multimiked production with a lot of mixing. In the next segment, I’ll be describing the upgrade to the Lundahl output transformers, and adding additional impressions (mine and friends’) of the Lundahl-ized TU8600, as heard with other systems. The Psvane tubes sounded more “tubey”, in the classic sense. Piano attack and decay were superb: the tone but also the sense of the piano being a percussion instrument. Hi Dave, The tubes connect into Unit A, Side B, so this side faces up. This amp did. Audio Nirvana Single Ended 300B As a big fan of Audio Nirvana’s speaker drivers, I was excited to pick up a used copy of their flagship 300B amplifier. Line Magnetic 219ia Integrated Tube Amp Review! Finally there's the Sophia Electric 91-01 300b mono-block amp, which retails for $5,000/pair, includes its own manufactured and designed tubes, and puts out … After some careful deliberation, I would call it. Willsenton R-800i 300B 845 Tube Single-Ended Class A Integrated & Power Amplifier Balanced XLR Input. Missing from class photo: Shuguang 300B-98 While I ‘lived with’ all these tubes, I realized that I needed some kind of test methodology in order to compare them. But also ‘accurate’, for lack of a better word. Most important, VK is offering custom Lundahl (LL2770) output transformers, at an upgrade cost of $525 per pair. Group C Sovtek 300B (standard): $184/pair. Uncouple a few connectors, remove four screws, and the transformer rack comes right off the chassis. This tube worked well in both amplifiers, with very good bass. RCA introduced 2A3 in 1932 as a low-frequency amplifier tube. The sound quality and the built quality are exemplary! If you’re looking for a tube amp under $600, you should definitely consider the Supro Blues King 12! Something like a push-pull EL34 amp would work better. Thank you for your time and I’m looking forward to your review of the Lundahl transformers as well. This Ming Da MD300A is based on two 300B tubes made by Jinvina Full Music. Shuguang 300B Tubes Audio Note Speaker Posts & RCA's Ceramic Hard-wiring Posts PTFE Silver Plated Stranded Copper Wire 5U4GB EH Rectifier Solid Copper Insert Plate : Interstage Monoblock Parallel 300B "I feel that I owe you what will be a long overdue review of my Interstage mono blocks. driving the 300B’s pretty close to their full potential. Tube kits are nothing new, they’re a fun and valid way to be involved in the audio hobby. The ground noise issue can be fixed by isolating the rectifier board from the chassis. Yes, there are a lot of small details to follow, but if you take it step by step, checking off what you’ve done and making notes of anything you aren’t sure of, you’ll be able to go back and review it (along with your solder joints), and, if you paid attention, the amp will work the first time you plug it in. Terry London reviews the Melody AN 300B integrated amplifier. Declaration All items guaranteed 100% BRAND NEW in the original edition Box. If you struggle with light bulbs or fuses, you might want to ask a friend to build it for you, or to help. Some 300Bs tend to abuse the liberty they get, especially in the bass (or the Kit One grabs its chance to run with the tube, if you will). Very responsive support. To simplify your selection process, we’ve managed to narrow down your options to just 5 quality amps that are sure to impress.

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