I use a pair of NOS Tungsol 6sn7 tubes for my SLP-88 and coupled with SLM-100 tube amp monoblocks and a solid state Adcom GFA 5800 amp driving ML Aerius speakers.Tube for the panel (high/mids) and solid state for the lower(woofer).*****Biamping*****and the result is very musical.Very satisfied with the result.
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