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RE: which new production GZ34/5AR4 to buy?

I've had the Shuguang 5AR4s in my 60 Watt KT88 monoblocks for 2 months now. No reliability issues. As to the sound, I've swapped them with Mullards and Sovteks and have observed the following. The Sovtek sounds grainy in comparison to the Shuguangs. When switching to the Shuguang, the clarity of the highs and liquid of the midrange came as a surprise as the Sovteks sounded fine prior. (I really wasn't expecting there to be any difference.) Between the Mullard and the Shuguang? They are both good sounding. I'd say the Mullard presented a slightly wider soundstage and a little more lower bass. The liquid midrange of the Shuagang and fine highs made the Mullard sound a tad dry and soft.
This is my initial experience with only one set of each brand. I can tell you that all tubes were good and displayed very similar characteristics on my rectifier tube load tester.
I have never "rolled" rectifer tubes before or compared them to SS rectifiers. (After this I guess, I'm going to have to set some time aside for same.) My Shuguangs were purchased from Jim McShane in April 2012.

Jack


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  • RE: which new production GZ34/5AR4 to buy? - sayntjack 17:32:28 06/09/12 (0)

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