digi01
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Everything posted by digi01
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the amp is designed by my friend 3 stones,assembled by digi01.purpose for hifi pads. pm me for details. PACKAGE CONTENTS ❍ Aluminium suitcase *1 ❍ Mini Box headphone amplifier *1 ❍ DC Power Adapter *1 ❍ Quick Start Guide leaflet ❍ 3.5mm to 3.5mm Stereo Interconnector *1 ❍ MINI BOX HeadAmp Server Manual ❍ Power adapter Server Manual Technical Specifications Size ❑ 3.2" (W) x 0.9" (H) x 2.7" (D) or 81(mm) * 24(mm) * 69(mm) Weight ❑ 300g Battery type ❑ unremovable Ni-H batteries 10*1.2V connect in series Battery Life (playback time) ❑ Up to 15 hours of continuous playback from fully charged batteries. Using passive speakers or high-power headphones may reduce the playback time Loading range ❑ 16ohm ~ 300ohm Output Power ❑ 60mw / 100ohm Signal to Noise Ratio ❑ Up to 98 dB (Headphones) Power on display ❑ 3mm, Blue LED Channel Separation ❑ Up to 66 dB (Headphones) Frequency Response ❑ 100ohm loading: 1~900KHz 0~1.5dB Headphone Out ❑ 1/8" or 3.5mm stereo minijack Source Input ❑1/8" or 3.5mm stereo minijack
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hi rioven i am sorry for delay. all details are here:http://headwize.com/ubb/showpage.php?fnum=3&tid=5708
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ygpm
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all resistors 被焊接在IC 的下面,for reduce feedback distance and signal route.
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thank you for your nice words. mine is a modified footprint for quality parts.all resistors have room for 1/2W DALE or the other brand.the output emitter resistors is 1W footprint as premium purpose when bias current over 100ma. Z
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yes,it is myself. Zang
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photo.
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I have a diy earmax for sell.ask for $190SGD,shipping cost is 60SGD. some photos below,it is very good for DT880.
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ppa2 is cheaper than ppa1,because the three solid buffers drop 30% cost:-)and I think solid buffer is more fun for diyer. ppa1's 12 ha3-5002 chip is tooooo costly. I am going to build it by myself. photo attached.
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nice!have you got the unit runing? P.S. I have send you a remotable cdp control,how it works? Z
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OK,pm reply. Z'
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pm reply. P.S. I accept paypal and cash order.thanks.
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I live in beijing china. I can customize amp basis on users requirement.the standard design is meta42 likes circuit. another photo of my headamp below:
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hello everyone,I have 5 headamp for sell.60sgd per one,shipping is 10. FYI,below photos is a couple of sold amp looks like.
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inner photo(take it at assembly progress).
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OK. more photo below:
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P.S. do you use DT880 headphone now? http://www.sgheadphones.net/index.php?showtopic=3697 here is a short comment about DT880: http://www.diyaudio.com/forums/showthread....0662#post680662
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here is a assembly and comment thread at diyaudio.you can find some reviews.thanks. http://www.diyaudio.com/forums/showthread....&threadid=29784
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Hi! you are welcomed.the amp can ship to Australia.the price is same. Zen headamp is a pure calss a headamp designed by Marcello Pellerano,the project concept is basis on pass labs ZEN power amp.the archetype article below: http://headwize.com/projects/showfile.php?...llerano_prj.htm mine is a modifiy version with regulator power supply.the amp is very good for grado,alessandro and sennheiser headphones. Specs: Frequency Response:20~20000Hz ( +_1dB) S/N:102dB TDH+N:0.2% Loading range 16ohm ~ 300ohm Output Power 60mw / 100ohm Headphone Out: 6.5mm stereo jack Source Input: RCA jack Power:220-240VAC