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Oh, sorry to add fuel to the fire!
Oh, sorry to add fuel to the fire!
I'm after a sound that's slightly warmish in the low end but clear in mids and highs and bass does not bleed into the mids. I really liked the sound of the stock chips AU797 x 4 and the BUF634P but it had a mettalic twang in the bass on some tracks which I didn't like about.
Tom
funnily enough I actually like the warmth of the bass on the iPhone but it just won't give me the volume for that mad dogs. I've run the PB2 via the pc and I believe the metallic twang is from the PB2. Non of the amps I've tried from the iPhone had this sound. I really did like the warmish bass when I used the 797 op-amps as buffers but the bass ate into the mids too much and I lost all details in the mids and highsYou know... looking at your portable rig are your using an iPhone as a source? That Metallic Twang is something I heard when I owned and amp'd my old iPod Nano... if you want a slightly warmish sound but clear mids and highs... try going for a Hifiman DAP. The bass is nice and smooth Great speed and tightness with a warm sound to it, mids r touch forward and a little sparkle in the treble. The DAP might be a tad to warm for the mad Dogs, but honestly i'd imagine a better source might yeild better results, if your feeding your amp a sub par signal, there's nothing the amp can do to make crap into gold
I used to own a iDevice and the sound pretty bleh, Still I'm happy to hear the stock sound at the very least has that issue to it, the Dt 880s have such a big fat resonnace in thier low end some metallic twang might balance em out lol
funnily enough I actually like the warmth of the bass on the iPhone but it just won't give me the volume for that mad dogs. I've run the PB2 via the pc and I believe the metallic twang is from the PB2. Non of the amps I've tried from the iPhone had this sound. I really did like the warmish bass when I used the 797 op-amps as buffers but the bass ate into the mids too much and I lost all details in the mids and highs
again if ur using the on board mother board sound your not going to have any details to begin with, but you might be right. Still any one have pictures of what the OP amp swaping and Buffer swaps look like? How would I change the op's and buffers in my unit? [Obviosuly open it up but aside from that then what...]
In addition I always found the Mad Dogs to be really warm... and hearing that a Fully Balanced Amp results in losing detail in the mid range and highs sounds alittle off... Still I'd like to tinker with it my self, although I hold to the idea that the iPhone and the Pc [if your using the Stock DACs in both] are teh culprit.
My old iPod had no mid or high details, and my on board pc audio was the same. You really need a better source to accurate judge the sound of an amp as nice as that. But if all you have is Stock Mother Board Sound and n iPhone it's not a wonder you'r having issues with quality.
The class A mod is in the form of a DIP socket with a resistor across two pins (4 and 7???). Sorry Tom it's been a while :rolleyes:.
Not sure I have pics on this Ipad but will post some for sure if not from the home PC.
I think that configuration will cover your needs and you can always swap the buffers for stacked BUF634P if you need to smooth it out slightly.