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romanko
37
Dec 7, 2017
I purchased a LD MKII a little over a year ago from MD, and this week unfortunately I had to return it as the amp started cutting in and out of both channels. For a couple of weeks prior to that I was getting quite a bit of distortion after the amp has been of for a few hours. Switching tubes did not improve the issues: I tried it both with the JAN5654 which came with it and the original Chinese power tubes, and with Russian Voskhod 6J1P-EV and Gold grid 6N6P-i tubes. I do have to say that the Russian tubes did GREATLY improve the sound, and I would have preferred to keep the LD MKII/Russian Tube combination had it still worked. Kudos to MD for good returning policy and service. Now I have the two pairs of tubes which I can pass on to someone who may want to use: I got them in mid April, and on average they were used around 5 hours a day 5 days a week, so in a total it should be be about 700 or so hours of use. I bought them on the auction website: 2x Voshkod 6ZH1P-EV (6J1P-EV) Matched Pair Little Dot Amp III IV from sezam2016-17 and 6N6P-i MATCHED PAIR 80's GOLD GRID TUBES / ECC99 E182CC 6Н6П-и from orpheus_2005 for a total of $44. I can part with them for $25 including shipment within US. I really like the pairing of these tubes LD MKII with planar Mr. Speakers Alpha Dogs and Aeons, with a pretty balanced but full sound.
FearDaTusk
30
Dec 8, 2017
romankoNot sure if there's a PM feature on here but I was looking at buying the same Voshkod 6ZH1P-EV. I'm willing to set a trade. I figure the LD would make for a nice office amp but It hasn't arrived yet. Looking forward to trying it out and rolling some tubes.
romanko
37
Dec 8, 2017
FearDaTusk@FearDaTusk e-mail me at kosoyroman@yahoo.com. 6ZH1P-EV tubes were very nice: they did clean up the sound considerable comparing to JAN5654, and also made it more neutral. In the beginning, when I swapped the 6ZH1P-EV and 6N6P-i for the JAN5654 /chinese power tubes I was not sure if I liked it as the sound became a little more "thin sounding" but it was because the bass became less bloated. Details and stage improved significantly. I cannot disentangle the effect of 6ZH1P-EV and 6N6P-i as I introduced them at the same time and did not bother with trying them separately.
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