For comparison: the actual Lowell George guitar. In the end he put a Tele volume knob on the guitar, but most of the available footage shows the guitar with the regular strat volume knob.
The man with his guitar:
Perhaps I post sound clips later, however I am presently very busy. As I stated above, the blaster gives a nice sparkle, even when not boosting much; the flatwound strings really help the slide sound and the P90 inspired bridge pickup, although not quite Lowell authentic, makes a nice sound on its own and gives rise to a strat-on-steroids effect when combined with the middle pickup.