Kippei
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Planning to sell my PPAv2 Opamp L OPA627 High Quality caps: wima, Rubycon and Duorex Note: This amp is preset for low gain. For high gain, resistor change is needed. Price $230
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I managed to partly build the SOHA, in my preference I will still think SOHA is more value and performance wise is almost the same as millet
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I think this is way out. My ear starting to go bonkers. Any idea where to go for ear testing.
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When are you going down to koba. It been a lot time since i done DIY. My first project is cmoy2, which i instantly upgrade to PPAv2 den tried my hand on a SOHA den i quit due to wheeing problems. Can spare you some opamp provided i can find it. 2132 2134
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hmm i still haven got my board yet.... hope to get it this time
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Look normal to me... I still haven got my PCB yet.. coz i miss out the collection that time...
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toroidal transformer i got no idea how to get it in Singapore. For my PPA mine is a DC adaptor which i pass a tread through it...
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But den Um1 shouldnt be used with amp when coupled with U3. The sensitivity of UM1 is enough to be powered loud enough. Unless your using a Ipod line out where a amp is really needed
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I have this issue with my PPA and ms-1... But it is the gain of amp that caused the problem caused my PPA is spec for low Z headphones. By itself, U3 produced 60mw. of power, but the amp may not be able to produce that type of power since your is portable. So the issue is the amp.
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Alessandro Ms-1 is Alessandro entry level headset. Grado and Alessandro look the same but I prefer MS-1 for the neutral sound. Ms-1 is like a SR80 SR125 equal.
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How Do i add a another layer of cable to a Um1 cable ?
Kippei replied to NOback's topic in DIY Section
Um1 is quite durable if i am correct.... -
in SLS... btw the pad oringal pricing is only like $8 - $12? Do you all install the own-cut hole facing out or the precut hole facing out.
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You need to have a isolated output. If i remember PPA use TLE to as a voltage splitter thus creating a virtual ground. The earth ground is different from the virtual ground.