I had read online that the stock 6SN7 input tubes are of poor quality and can cause this shrillness, so I had already ordered high-quality 6SN7 Tubes from PSVANE to quickly replace the stock input tubes. Complex parts of pop and rock tunes didn’t sound too good at times. The A50 seems to output more power than you will probably ever need for these high-sensitivity speakers.īeing pleased with the overall volume, I noticed that there was an unpleasant harsh sound in the higher midrange when there was a lot going on in the music. When I later hooked up my new 99dB sensitivity Klipsch Heresy IV speakers, I rarely needed to pass 9 a clock with the volume knob to reach my preferred listening volume. These tube amps can really make the air move with only a handful of Watts. With these low-power tube amps, you quickly start to rethink your perception of how much amplification power that is actually needed to make speakers play fairly loud. Surprisingly, it made my 88dB sensitivity B&W 705 S2 speakers play much higher than my normal listening volume with the volume knob at only 11 a clock. This is my first ever low-power tube amp, so I didn’t really know what to expect. I was furthermore satisfied with its ability to play relatively loud, given that it only outputs a handful of Watts. The tubes glow slightly when it is powered up. (PS! The A50 does not have a built-in phono preamp.) I can connect both my digital streamer and my turntable at the same time. It has three inputs and an input selector, which is nice. Based on perceived build quality, it could easily cost many times its selling price. My first impressions of the A50 is that it seems extremely well and solidly built. Don’t get me wrong, good 300B tube are still costly, but not nearly as costly as they used to be. This makes it possible to enjoy the classic 300B sound without a huge budget for tubes. Today we can purchase very good 300B tubes from PSVANE, Genalex and other manufacturers for quite sensible money. The high price of new old stock (NOS) 300B tubes has been a barrier that has stopped many vinyl lovers from getting into 300B amplifiers. The original Western Electric 300B tubes, that created the legendary status, are extremely expensive. They seem to have a special standing among tube enthusiasts. 300B tubes are known to sound extremely sweet and musical, with an exceptionally open and clear midrange. Single-Ended 300B is arguably the most legendary type of tube amplifier designs. What I found especially intriguing about this amp is that it is a true no-feedback, single-ended, class-A 300B design. It is one of the China made tube amplifiers that is highly acclaimed and reported to perform very well for the money. The BoyuuRange A50 MKII is one of the tube amplifiers I purchased to test with my own speakers. Price: Click to check price on Amazon or China Hi-Fi Audio Yeah, that broke the bank… You are hereby warned. So, I am now the happy owner of a high-end Feliks Audio Arioso 300B tube amp and top-notch Western Electric 300B tubes, which for me is the ultimate end-game tube amp setup. After having so much fun with these high-value tube amps for many months I began the (somewhat unnecessary) search for the ultimate end-game tube amp. Update/Warning! The delicious sound from these tube amps can be quite addictive and my tube journey has ended up as a very expensive one. So, in this article, we’ll take a deeper look look at these 5 affordable vacuum tube amps for 2-channel audio I found that get so much praise online. I guess I can always sell the two amps I don’t want to keep long term. I even got a bit carried away and ordered (no less than) three of them to test in my own system.Ī Decware Zen Triode, a BoyuuRange A50 and a Reisong A12. For a long time, I was on the search for an affordable tube amplifier to use with my new Klipsch Heresy IV speakers.Īfter quite a bit of online research I ended up with a list of 5 integrated stereo tube amps that seem to offer extraordinary value for money.
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