Anyone tried playing harp through a Music Man 2X10 65-watt amp? I was trying one of these at a local music store the other day and my first impressions were good. This was one of the older Music Man amps with the single 7025 tube in the pre-amp section and a 2X6l6 output section, as I recall. Really small and it could get really loud. Any opinions? What's a fair price?