is there differnt spec penguin cafeine amps?
Jul 23, 2008 at 7:33 PM Post #2 of 4

RickB

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As far as I know there is more than one manufacturer using Penguin Caffeine mint tins-- Headphonia is the one I bought from and they used the AD8397 and it sounds great with Grados.

Other manufacturers are probably using different op amps though.
 
Jul 23, 2008 at 7:57 PM Post #3 of 4

Elladan

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Considering the Penguin now, Leo? They seem really nice. The maker I know of is Penguin Amp Intl, at penguinamp.com. The Caffeine Ultra ($69) was out of stock until very recently; The Royal ($99) adds a bypass, which would be nice for a/b testing, but that's about all; both use the AD8397.
 

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