I agree with tobes assessment of AHB2 with ATC SCM 19 speakers. I am running the same combo and couldn't be happier. At one point I did get interested in trying out an amp with more power (I tried Parasound A21 and Cambridge 851W) but couldn't get the same tonal balance & accuracy as I am getting with my one AHB2 (stereo). This amp is only 100 watts, but due to its' 'no distortion' circuitry, all the wattage can be used. You need to listen to it to believe it. Whilst there is no need to add additional sub, I did try adding a sub-woofer to the combo, but since the tonal balance messed up badly (bass was out of control/sync in most of the tracks), I took it out. I have listened to many hifi combos, but I keep coming to ATC + AHB2 for my needs. All the best.
