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Posts by Bill-P

Okay. I updated the first post with a list of attendees and a list of gears that will appear at the meet. If you would like to add anything to the list of gears, it'll be very much appreciated.   I live in Santa Cruz so it'll be a long drive for me either way. East Bay or the peninsula doesn't make that much of a difference. But I'm hoping we can get more votes on this. And if anyone can help me source out a place, or if they would like to host the meet, I would...
Reduce Marantz's volume and increase O2's volume... engaging the gain switch if possible.   O2 has a known problem where if the input volume/level is too high, it'll clip and distort.   If that doesn't help, do a quick test: max out Marantz's volume and then try to match that volume with the O2. Then see if the distortion is there.   If it's not there... well... my condolences, your DT770 probably has a hair or something in the driver.   That's also a well-known...
Or you can just get a Schiit Vali and Modi or ODAC, right?
 Hey. I have CEE TEE's Sennheiser HD600, and if he allows me to, I'll bring it to the meet. I'm thinking the meet should happen soon (from now to mid May). Last year's mini meet happened in East Bay because most attendees were around there. Let's see... where would be more convenient for you guys? I'll start collecting a list of attendees and gears list soon.
 Or we may also take it to the meet.  The E11 is probably a poor choice, but it does demonstrate that the output impedance plays only a minor role in the overall sound of an amp. Plus no headphone is truly flat with its frequency response... so the impedance curve probably plays into the frequency response. As for the Crack, I plugged the 32 Ohm DT770 in there. It would be pointless to compare the HD600 plugged into the Crack and then the DT770 plugged into the PHA-1,...
 Well, technicality can only get so far, right? The topology of the amp is important, too. Some amps with really low output impedance (like the Fiio E11) would still have a lot of bass over an amp that has higher output impedance. In fact, the Bottlehead Crack with 120 Ohm output impedance has less of a bass boost (if at all) than the Sony PHA-1, and somehow it still sounds slightly cleaner and brighter than the PHA-1.
Are you sure the iQube 3 can be used to bypass the internal DAC of an iOS device? Because all information points to it being unable to do so.   An owner of the iQube v3 already commented that they couldn't do so.   The PHA-1 doesn't just bypass the DAC of an iOS device, it also bypass the DAC of pretty much anything that uses the 30-pin connector as well.   And the DAC makes a sizable improvement.   I think the T5P would be a good upgrade over the Edition 8, but I...
So I just acquired a PHA-1...   Very good and clear amplifier. It easily outpaces many devices around its price point.   Battery life is not poor at all. I get 4.5 hours with digital input from my iPhone.   As an amp, it lasts for 11 hours with my Vita, which is not shabby at all.   The selling point? That BASS! Oh god... I have not heard bass this good from any portable device at all! It's impactful, visceral, textured, and super solid without any hint of giving...
Yeah, the excess output is noticeable. But it's a controlled boost rather than just extra boom. The amp section of the PHA-1 is very very well-implemented. The boost is even more controlled than the Schiit Magni, which has less than 0.1 Ohm output impedance.   The ES10 is still tuned with low impedance sources in mind (namely my iPhone 5), but my DT770 is now tuned for the PHA-1 because the pairing sounds very nice. That bass is really to die for. I haven't heard bass...
Okay, Sony wins.   They converted me back into a semi-basshead, so... I retuned the DT770 with bass in mind.   I wish good ol' @mikemercer can attend this mini meet, because I would love to get his opinions on this DT770.   Daniel, I think you'll like this one very much. I tried my best to shave that treble down, so hopefully it won't be too bright for you.   Still keeping that smooth and slightly sweet midrange, of course.
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