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. Question for you amp guys ,, would the quicksilver V4's power my D38's ? Some for sale down in NY area. I have heard rumours these are good pieces ? Reading the add again,, they are mono's of course ,, and 'unbalanced' which I don't know what that even means ?
I say go for a 300.1 !!!!
The Music Reference RM200 is probably the better amp but it more expensive at $4,900+:http://www.ramlabs-musicreference.com/music_reference_rm-200_hybrid_power_tube_amplifer.html
I wonder if the KT150 will be approved for use in any of the Rogue amps?
How much power do you really think you need for a 91.5 db/watt speaker? I would be using about 1 watt.
I would stay away from Quicksilver amps, from my own experience, he cannot maintain/repair his older units. Once his amps get in need of repair, it's over. Been down that road and not going back. FWIW.
I have not seen it mentioned in this thread that the KT-150 is not a drop in replacement for KT-88 and KT-120 amps. Besides the filament current being as high as 2 amps, it appears at first glance to have higher transconductance than the typical KT-88 which may cause some amps to be unstable. It also appears to want a lower negative grid voltage which may be out of the range of some bias pots. Here is the data sheet. http://www.tubeampdoctor.com/images/File/data%20sheet%20KT150%20Tung-Sol.pdfAlso, keep in mind that the power of most tube amps is not limited by the tube but by the parameters of the circuit. These will not change therefore dont expect any significant increase in power. It will provide more power in a circuit designed to take advantage of its higher dissipation and plate current. However, those circuits may not be backwards compatible with the KT-88 and KT-120 especially if they are designed with the high screen voltage (650 V) that is part of the draw for this tube in ultralinear circuits.
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