Lobby > Head Amps, DACs, Sources, Portable Equipment Discussion
Portable amps
rhythmdevils:
The DIY PPAS is one my favorites, it's a portable PPA. I haven't compared it to the latest gen of 700 dollar portable amps, but it spanks the previous portables IME. The boards aren't available for some shoddy reason and the battery life aint great. But if you see one used on HF, grab it up they go for 90 bucks.
Questhate:
I think Shipsupt needs to be summoned for his expertise here.
dBel84:
--- Quote from: rhythmdevils on June 07, 2012, 04:02:33 PM ---The DIY PPAS is one my favorites, it's a portable PPA. I haven't compared it to the latest gen of 700 dollar portable amps, but it spanks the previous portables IME. The boards aren't available for some shoddy reason and the battery life aint great. But if you see one used on HF, grab it up they go for 90 bucks.
--- End quote ---
this was the problem with the ones I built , rails ran at dual 18V (4x9V) with a ClassA symmetrical buffer BUT battery life was a mere 3 hours run continuously. Mine was similar to a PPAS but without any instability concerns. The PPAS remains more advanced in design when compared to most portable amps which rely on an opamp amplification stage and usually some form of chip buffer. ( or not at all ) Triad's LISA is the amp that stands apart but is not exactly portable.
..dB
Anaxilus.:
Not much of a fan of the first Portatube myself. Couldn't drive the T50rp. Continental is a bit better but the imaging is way too fuzzy and soft for my tastes. I think Leckerton makes the best all in ones for the money/performance, especially the UHA6. The RX3 is freaking badass and I'm not an ALO fanboy. Averagejoe likes his new Portaphile amp but I haven't heard it. A few like the AHA-120 but haven't heard that either. LISA is nice but massive and a bit on the darker side but very clear and powerful.
maverickronin:
If a portable amp doesn't have crossfeed it's dead to me...
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