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They say that you can specify the gain. I am new but am thinking about ordering one. What gain would I want to use with a motorcycle intercom system? Two helmets, input is a Sony MiniDisc or an MP3 player. Thanks.
We have had lots of customers buying this amp for the same Purpose, they have all been very happy with 19db (default gain).
I won't be able to hear this amp until Saturday (when I have the time to pick it up). I'm mighty curious though on what sonic character this amp has. Chris?
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Desktop system: M-Audio SuperDAC -> Graham Slee Solo | Creek OBH-21 -> [Headphones]
Speaker system: M-Audio SuperDAC -> Cyrus 8 -> Quad 12L
Headphones: AKG K145/K240 Sextett/K340/K601 | Beyerdynamic DT-880 | Grado SR-60 | Sennheiser HD 25-1 II/HD-600/HD-650
im listening to the Black Rain album by Ozzy and it sounds really really warm.
it does naturally dude to the nature of the Grados but the amp further accents this attribute.
the AKGs just sound even more AKG but a more bassy and refined high end. nothing happened to the mids though. i think its because my AKGs were meant to sound this way the whole time when properly powered.
Which AKG and Grado headphones?
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This isn't about collector's value, Shorty! It's about sound! Now run the other way, and don't stop until you're above ground! RUN, SHORTY!
Mercuttio Jones turns on his heel, and runs back towards the sound of Alu screaming. With tears in his eyes, Short Thaddy sprints towards the surface.
These are the answers to recently questions asked about uAMP107B :
uAMP107 have a Money Back Guarantee for 10 Days (10 days from the time you receive the product).
yep.
10 days is a bit short though.
there is one thing that bugs me a little bit. the blue charging LED is mounted kind of far back or something so it looks dim the whole time. but other than that im pretty happy.
AKG K240 Studio and Grado SR-80 soon to be 225 if i can find a good one on ebay
I won't use less than ~6V supply for a headphone amp and, even then, it does cut it close. 3V IMO is not suitable unless all the amp is doing is, at most, acting as a unity gain buffer to a low-amplitude source. 3V supply would not even allow unity gain out of many CD decks and dacs. So, you end up with distortion as you reach the rails. So, maybe your impressions are due to distortion?
I think it would be helpful to know whether there is something like a DC-DC converter in this so we know what voltage the output stage is actually seeing at its rails.
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This isn't about collector's value, Shorty! It's about sound! Now run the other way, and don't stop until you're above ground! RUN, SHORTY!
Mercuttio Jones turns on his heel, and runs back towards the sound of Alu screaming. With tears in his eyes, Short Thaddy sprints towards the surface.
I think it would be helpful to know whether there is something like a DC-DC converter in this so we know what voltage the output stage is actually seeing at its rails.
I can make photos of the PCB, but I'll give Dara_D some time to respond. Need to recharge the batteries of my camera first, anyway.
Linear Mode
