8/9/2023 0 Comments Ls50 meta amplifier![]() ![]() For solid state amps, you need plenty of current and the ability to drive low speaker impedance loads. For tube amps, you need really good output transformers to handle the large frequency vs. The LS50’s can present a difficult load for amplifiers to drive. The point is that these amps produce low distortion with a hearty dosage of second order harmonics. I partly attribute this to the high damping factors of each power amplifier and the 13dB gain and 200 ohm output impedance of my ARC line stage. My restored and modified Dynakit Stereo 35 6BQ5/EL84 push-pull tube amp and my Pass DIY Sony VFET Class A push-pull amp are only rated at 15 watts per channel, but coupled with my Audio Research LS7 tube line stage, my system can create smooth, room-filling volume that has a room response lower than 40 Hz. I have used low power power amplifiers with my KEF LS50 speakers with the exception of my 150 watt Texas Instruments TPA3255EVM Class D DIY amplifier. These speakers don’t require mega-buck amplification to sound their best, they just need high quality sources and power. Since these excellent speakers have a relatively low cost barrier, many people have typically paired them with mediocre amps and come away disappointed because all they get is mediocre sound quality. I wholeheartedly agree with tcatch on his position of using high quality amplification with the KEF LS50’s. The Roost and H360 are not far off the price the OP wanted to pay.īTW - Darko is now using the Hegel H590 to drive his LS50s. They will also work well with the much easier to drive LS50. I heard the H360 and Roost with KEF Blades and it was very good (not very loud volume level). Everything he asks for is covered in one box.Īnother line that I can recommend with the LS50 is the Hegel integrateds. The OP would be well served by trying the FREE trial of the NOVA line for 30 days. Like I mentioned above the plan is to upgrade to the NOVA 500 if I do not get another AHB2. With the Peachtrree none of that ever happens. I am very sensitive to harshness and get fatigued easily. ![]() You can listen to the Peachtree 8+ hours a day like I do at my home office. The second favorite was the Peachtree Nova 150 which was a nice combination of the Parasound and Bryston. Just a brilliant amp and one I may buy again. Unlike other speakers within their price range (sub $2k/pair bookshelf speakers) these KEF LS50 would have to be fed by quality electronics in order to perform and sound good. But as you upgrade your amp and upstream electronics the better they will sound or perform. ![]() However, the Rotel RA-1592 integrated amp and the Musical Fidelity M6Si integrated will also make your LS50 to sing. The Naim Uniti Nova has a very good digital streamer/DAC as well as integrated amp sections. The Naim Uniti Nova is rated at only 80 wpc 8 ohms and its power amplifier section uses class AB design. I heard these KEF LS50 paired with the Naim Uniti Nova (streamer/DAC/integrated amp), which is an all-in-one box solution, and they sounded fabulous together very musical very fluid solid punchy and had excellent musical drive or rhtymic drive. The LS50 need good quality amplification and upstream electronics, as somebody has already suggested here, in order to hear what these speakers are capable of. Good quality amplification (not necessarily big power output) will make your LS50 perform optimally. I wonder how much of it was me adjusting to thier sound. Interesting as almost all of my previous speakers were pre owned so I never realized how much a speaker can change in the first 15-20 hours. The Kefs are sounding great though the more they break in. I figure if I can get some kind of crazy power and then pair it to a sweeter sounding preamp, that would be the hot ticket. I’m leaning towards something like that Class D or Mivera amp (Thanks for turning me on to Mivera I will be reasearching them!). Made me realize that these Kefs are power hungry, yet I have them hooked to a little 50 watt amp and they sound pretty good so I’m not sure that something like the Rotel or Musical Fidelity wouldn’t sound fantastic. I couldn’t believe that I could turn it up to 1 o’clock on the volume dial. I took my LS50’s to my brothers house and hooked them up to his Nova Pre / 220 and wasn’t impressed to be honest. I liked my Nova Pre/220 and 220se that I had. I didn’t know that the Rotel and Musical Fidelity had such good reviews. Awesome! Thank You Everyone who replied! All the suggestions are options I would definately consider. ![]()
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