I was and am thrilled with the wonderful sound quality, quiet operation in my LSA integrated amplifier. They represent a distinct improvement over the China-sourced tubes included with the amplifier. Shipment was handled well, and I received the tubes in approximately 3 weeks, which strikes me as very good given the security regimes in postal mail between certain countries in Europe and Asia and the United Sates. I intend to purchase a second pair in the next month "for the future," although the tubes will likely last many years. Mark Seattle
Verified purchase: Yes
1975 Reflektor ! Wow, compares well to the Siemens CCa and Amperex PQ. They have real nice bass, extended treble, and are accurate.. I found the CCa to have a slightly more natural sound and extended treble, but only after changing them out a few times.
Verified purchase: Yes
These tubes easily beat my previous Philips miniwatt SQ ones. They have a very impressive soundstage with airy but detailed highs and mid, base is tight and poverfull.
Verified purchase: Yes
These 6N23P-EV soviet tubes are equivalent to 6922/E88CC. It has been said they are the direct ancestors to the current Electro Harmonix 6922 made in Russia. I bought a matched quad for my Audio Research PH5 phono stage. It took about a week of an hour or three a day playing to settle down and then they really shined. More dynamic, quieter and cleaner than the new production Eh6922. Highly recommended. The stock tubes go about 2000 hours before needing replacement. The EV version of the 6n23P is supposed to be an extended life/ruggedized version good for 10k hours. We will see. The sonics were a nice step up.
A very nice balanced and natural sounding tube for a good value!
Verified purchase: Yes
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