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ablaze

my first DIY amp

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thought I'd branch off from the PPA-builder's threads to post some pics of a my completed PPA

 

I tried to follow Tangent's instructions and schematics as close as possible, and with the help of headfi-ers like ppl, morsel, arzela, tangent, voodoochile, and local guys firefox, jtfoo (<--- especially jt! blush.gif) and jason to name a few, its more or less completed. At least I'm listening to it now and it sounds great! haha.gif

 

fancy specs:

PPA v1.0A board

1% 1/4W hand-matched resistors

4x1000uF 35v Panasonic FC caps

8x100uF 35v Nichicon UPL caps

9xPhilips 1uF metallised polyest box caps

12xHA3-5002 buffers (4 per channel)

OPA637B for L/R channels

OPA627B for ground

biased to Class A with JFET cascodes

separate opamp rails

Alps Blue pot

CMC gold-plated RCA jacks

Cliff-UK non-locking Ni-Ag 1/4" headphone jack (hate locking jacks rolleyes.gif)

FEP teflon-coated solid-core bare copper hookup wires

2% silver solder used

Teletron 24v DC linear regulated power supply

 

Hammond 1455N1602 enclosure (not here yet)

 

specs sound good right? haha biggrin.gif

post-2-1063184080.jpg

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first thing first..

how does it sound with cd3k w00t.gif ?

Better than your ex-gilmore V1 ? w00t.gifw00t.gif ? or the emp? w00t.gifw00t.gif

Or... laugh.gif

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Congratulations ablaze. Acid test, compare it with the Gilmore Lite.

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I'll leave the listening impressions to people more experienced ok. I refuse to comment on the sound, since I got no other amp to compare with tongue.gif

 

Oak: FEP teflon-coated solid-core bare copper hookup wires

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rolleyes.gif

 

How much did it cost you in parts alone?

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hm..... that's hard then! I am dying to listen to it biggrin.gif

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Well done man! party.gif

 

Looks smashing and i see u have replaced the slightly damaged blue box (dunno what those are). wub.gif

 

 

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N@Z, probably near to $300. I lost count halfway and started buying EVERYTHING I needed regardless of cost mellow.gif

 

Qoo, yeah replaced, so it looks prettier wink.gif

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ablze i awe your skills and the daring act. $300+ stuff DIY.. wow... I would be so afriad to fry 'em all. Very clean job headphone.gif

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