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Everything posted by Dreadhead
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NKOTB - TTVJ/Millett 307A Headphone Amp
Dreadhead replied to n_maher's topic in Headphone Amplification
I would have to say no. The only reason I use my system fully balanced is for the headroom insurance it provides. To be honest with the SA5000s I think they sound the same SE as long as the amp has enough juice. -
NKOTB - TTVJ/Millett 307A Headphone Amp
Dreadhead replied to n_maher's topic in Headphone Amplification
Sounding good and actually taking full advantage of the balanced input are separate things. -
I've just sent my second pair in for repair. The first ones lasted 6 months the second ones a year. At least after the first one they "upgraded" me from a S500 to SE 530 (I know they are the same drivers). We shall see how long it will take them to return them. I'm trying to decide if I will sell them afterwards but I think I will. I'm tired of them doing this and they don't sound as good as my new Ety ER4S (to me) anyway.
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Weight might be right but rolling inertia will be high. You're going to have to work hard to get that bad boy spinning. Will still be very cool though.
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Aristaeus came and went on HF.. lasted 20 minutes
Dreadhead replied to Luminette's topic in Headphone Amplification
Audiophiles are romantic? Not me. -
I vote you make a bed Magnetic Floating Bed: Oh. Your. God.
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"A small child recently lost his hand when his father left two # 31 supermagnets unattended. The child picked one up and when he approached the other magnet on a nearby table, it became airborne and obliterated his small hand."
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bungie based suspension is just as good though not as cool and I'd have to wonder if those fields aren't big enough to deflect the paths of your electrons in the tubes.
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how in the hell did you machine that? It must have taken forever.
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Too bad about the earpiece not fitting. I looked at customs but I'm going to stick with my new ER4P (with adapter so they are ER4S), they whoop the hello out of my SE530s I just sent in for cable repair. By the way a resistor in the circuit (however it's done) will adjust the response of the headphones because of the impedance vs frequency variations of the phones and the ratio with the constant resistors. For example the ER4 adapter (just 75ohm resistors) bumps the bass 3db, which appears to mean that the impedance of the drivers drops slightly down low (thought I didn't do the math).
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255 steps right?! Madness. Have you tried them with the Pico?
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Aristaeus came and went on HF.. lasted 20 minutes
Dreadhead replied to Luminette's topic in Headphone Amplification
Don't know if anyone is interested but it doesn't seem too unreasonable: FS: HE90/HEV90 - Head-Fi: Covering Headphones, Earphones and Portable Audio -
only if he has an option with it Bedazzled Bling bling
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LOTs and LOTs of fun because that stuff is lots and lots of money
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Heard it on a SDS-XLR balanced sourced by Meridian G08 and out of my GS-X sourced by DAC3. You can still keep em.
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Not looking to getting involved in the other issues in this thread but passive line stages (eg Placette (passive), DacT) are resistors and switches. There is no mojo to add or remove. They have external power to power the switches etc but the signal path is entirely passive resistors. How would they ever add color to the system? I guess they could if the system has cables so long and capacitive they need more driving to get the signal through, but then you have larger issues.
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:: De Weet :: Het mooiste dierenmagazine voor het hele gezin.
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As I said before that thing looks amazing. How much do you think it ended up weighing including the platter?
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Well this weekend I got to show off my setup and measure a pair of R10s on the setup. Those phones are sooooo colored, that said they sound nice, especially for classical. The sound is not for me but nice. I also came down that I do not need Qualias (want for coolness but no need on an audio front). Also measured a pair of CD3000 that had been modded and they were the flattest phones I have encountered. Also tonight I had some time and I did some reading on the Etymotic research and it looks like I should drop my target curve by an additional 5 db by 10000hz because even though studio monitors have a flat power output the actual response is not flat and hence the mix has a bump in the highs: Etymotic Research, Inc. - ER-4 - Technical Specifications Etymotic Research, Inc. - How we measure response accuracy Etymotic Research, Inc. - ER-4 - Which ER•4 is Right for You This is likely why most people think my curves are too bright. Sounds plausible to me and Etymotic really seem to know what they are talking about. Also I think a pair of ER4s might be my next purchase.
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I'll pay $51
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Sorry for my misstatement of what you said. Your reply was "I'd be surprised if you could hear any hiss on high gain with Edition 9s" (which there was when they were balanced, the only SE phones I am discussing are the SE530s) This is all likely due to something stupid I have done to the amp.
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$500 a transformer while a lot is a drop in the bucket. Remember this unit is over $100,000.
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It's in my nature to obsess about these things. If I know it's as good as it can get then I'm all set and happy again I have enough range to keep the amp at 3/4 max volume on low gain (no hiss on anything except possibly the SE530s) and still drive the phones to well above where anyone should listen for long periods (though not instant hearing damage levels). I think I'm still going to send the amp in to Justin because he said too once he heard about hearing hiss with the Edition 9s. I though this was odd but they are sensitive and have low impedance.
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I was listening with no source attached because Justin said that was a good way to test if the hiss is from the amp not from the source. I don't sit there and sit blankly into space One reason is that the DAC3 has a remote control and also that the DAC3's volume control is much much finer (200 steps, math done at 26 bits and dithered back to 24) than the GS-X. For a long time I listened with the DAC3 set to max output and there is no issue over-driving the inputs. I forgot to mention I can hear the hiss with my SA5000s on high gain and with the volume cranked but just barely. I do like having the finer control and not having to put up my recliner when my music goes from modern stuff to (much quieter) classical. The original switch from med to high gain came about due to me having to apply a about -12 db correction in my DEQ to prevent digital clipping within that unit on more modern songs that have no headroom in the digital signal. I have discovered that this can be decreased to -8db or so without any clipping. I am expecting too much I figured as much.
