OK, so lately, there's been a lot of anti-SVT-CL/AV out there. Reliability apparently being the #1 concern of most. And from my research, questions, and opinions of many in the music business, it seems to be at least to a point to be true, but how true is it really. Example 1 : A local seller of many brands told me recently that his authorized tube repair guy for many brands had 6 or 7 SVT's in for repair, and no other bass heads at all. But doesn't SVT's pretty much outsell all other tube heads by about 5:1, so it's almost ''normal'' isin't it? (well, anyway, in Montreal, it is). All the local music stores carry Ampeg (or most) and many have at least 1 SVT on the floor. Only 1 store has a 300pro, 1 has a 200AD, etc... Also, with the reliability problem, once it's taken to the technician, is this problem fixed forever, or does it come back regularly. If it's covered by the warranty, not a huge problem, even though it's never fun to have a problem onstage in the middle of the 2nd song of set 1. I've been gassing for all tube, and the 300pro is way up there (features & tone), but too huge. I won't gig with it much because of it's size, so why get a 300 watt all tube head for rehearsal. The AD200 is nice, very nice, but not too much tonal options, and its so Orange, lol. And costly. The SVT comes in 3rd (for me), but it's still way up there.