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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    I have the upgraded pot as well and grounded it as well, it hisses at the very bottom and crackles at the very top. I don't get distortion when tuning, though (I used all the recommended upgraded parts on the BOM/site). The amp is hyper-sensitive to any jostling, though. I put EARs on it, which...
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    DIY Passive Attenuator Project Ideas?

    I have a friend that gave me an elma 04A2R00 attenuator (without the resistors) and I want to use it to make a passive attenuator and 2:2 switch like the JDS OL Switcher. Can any of you point me in the right direction on how to create something like that and what resistor values I should use?
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Well, I accidentally left my NuHybrid on all day while I was at work and came home to listen to some music tonight. It sounds amazing having been on all day. I imagine that isn't the best idea, but the difference is noticeable!
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    It uses two TI OPA551PAs (http://www.mouser.com/ProductDetail/Texas-Instruments/OPA551PA/?qs=wgAEGBTxy7kLauCnM%2btIHQ==). They are singles.
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Can you send a link to the linear supply you bought?
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    DIY USB DACs on ebay

    Has anyone tried out the DIY USB DAC kits on ebay with the SMD parts already soldered? http://www.ebay.com/bhp/usb-dac-diy?rmvSB=true I was thinking of buying one, but I don't know which to get...
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    I just tried the NuHybrid out with my Grado SR60i phones. Sounds great!!! Now, I want to put a clear plastic lid on the setup with some slits for air to get in. Can anyone recommend a place to get a plastic lid for the box Pete suggested?
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Here is the full gallery from last night!
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    As promised, here are the progress pics! And there you go. I don't have the right headphone connector to test it at home, so I'll let everyone know how it sounds tomorrow. I highlighted hav2uo4's pot ground wire and the EARs. Hope they make it sing!
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Can someone recommend a knob for the TKD 2CP601-10K?
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    Wall-powered DIY USB DAC suggestions

    I am interested in making a DIY DAC in the sub-$200 price range that is powered with a wall wart instead of through the USB port. I like the PupDAC, but think I'd need a DoodleBug to make it shine. I've been looking online for powered DIY USB DACs, but haven't had much luck. This is going to...
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    USB DAC to pair with Creek OBH-21SE

    Thanks everyone. I am going with the JDS Labs OL DAC with the DIP switch installed.
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Can you share a picture of how you did this? I read your description, but can't quite picture it in my head.
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    Got the upgraded pot and the EARs. Now I'm ready to go!
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    USB DAC to pair with Creek OBH-21SE

    Under $300 would be ideal.
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    USB DAC to pair with Creek OBH-21SE

    I just got a Creek OBH-21SE Headphone Amp, which has done wonders for my AKG K7XX and K553 PRO headphones. Now I am looking for a DAC that I can pair with them to up the clarity some more. Any recommendations?
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    OK, just got the big bag o' stuff from Mouser, and the tube and board. Just waiting on the upgraded pot and footers from PartsConnexion and I'll get started!
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    I just ordered the PCB and tube! There are some things in the BOM that are out of stock at Mouser, so I created another parts list that will work. I checked with Pete before buying it. His only concern is that the Elna caps might be a little tight, but it is all in stock. The parts list is at...
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    "Millett Hybrid" redux: NuHybrid headphone amp, using the Korg Nutube

    This looks really fun to make. I have a noobie question about it, though. Will this amp work with low impedance headphones
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    New Member Introductions thread

    Hi all. I am pretty new to the headphone game. I have a pair of Grado S60, AKG K553 Pro and AKG K7XX, and am just getting into understanding amps. That is what brought me here!
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