I replaced the Sovtek 6H30EB's in the LS16MkII with the Cyro treated EH 6H30EB Gold pins, which arrived in great time. I paid a bit extra to get a matched set, and they sound very balanced using the Mono Vinyl Rig.
Even from the start these tubes exhibit a more controlled deeper Bass, richer Midrange and smoother top end though not as forward as the Sovtek. I feel there is no loss of speed or attack with the Gold pins, and the sound stage is deeper and more open. Vocals are startling via the Magnapans, and drums and cymbals are very realistic with proper attack and decay. If these improve with use, I will be very pleased indeed. I would say these tubes are a very worthwhile upgrade over the Sovteks, and the search is on for a pair of the 6H30DR's :^)
Regards,
Jim
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It's all about the Music, but I sure like the way my gear makes it come alive!
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