So I wanted to follow up with something Merv said earlier (I think in this thread as well as others): that the muledeer2 actually held gumby back when compared to ragnarok (which in turn holds back yggy). I wonder if that applies to "lesser" amps as well, such as the valhalla2 (or various garage 1217 offerings), which kicks serious ass at its price point: would using gumby with valhalla2 be a waste of gumby?
Valhalla 2 should work well with Gumby and not be a waste. Would be interesting to put Val 2 along with Mojo 2. The thing about Val 2 is that it works best with higher Z headphones like the HD650 or HD800. Also, Val 2 is typically not as warm as Mojo 2 - depends upon tubes.
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Forgot to mention, but Gumby does need warm-up like Yggy. Takes less than one day, maybe 12 hours to not sound nasty /bright. 2-3 days to reach the sweet spot.
