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If you were going to build a balanced DIY amp ?

post #1 of 10
1/30/10 at 6:00pm
Thread Starter 
Who's strong points were awesome dynamic drive for hard to drive headphones, transparency, and resolution .... and you CAN'T afford to go with a B22, what amp would that be ?
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post #2 of 10
1/30/10 at 6:23pm
The M3 or CKK3? They can both be run balanced.
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post #3 of 10
1/30/10 at 6:42pm
Thread Starter 
Quote:
Originally Posted by jageur272 View Post
The M3 or CKK3? They can both be run balanced.
Any chance you could provide me on info where to buy those ?
I don't even know what company makes or sells them.
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post #4 of 10
1/30/10 at 8:08pm

um, this Is the DIY forum

there's Gilmore's balanced output addition to the "dynalo" in the original headwize article

HeadWize - Project: A Pure Class A Dynamic Headphone Amplifier by Kevin Gilmore

the dual fets are hard to find but singles with similar specs that can be hand matched are available (use the beta22 input Qs)

with the point-to-point build and spreading heat over a dozen output Q, avoiding purchased heatsinks, this project can be fairly low $ outlay at the usual exchange of more time

DIY RESOURCES - Kevin Gilmore DYNAMIC HEADPHONE AMPLIFIERS and POWER SUPPLIES gives more "dyna" amp info

for Grado the single ended ouput should be fine - I have pointed to 4-pin "balanced" connection to headphones as a good idea even in single-ended amp

for K701 the balanced output stage doubled Vswing will be useful
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post #5 of 10
1/30/10 at 8:24pm
Thread Starter 
Uh, I may have missed something ; Probably did .... but I never saw a place to order the kit for that Gilmore amp, nor pricing.

Also, someone please help me out here, and tell me what exactly an M3 is ???

I've been hearing about the M3 forever now, and still believe it's a BMW automobile ... LOL
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post #6 of 10
1/30/10 at 8:26pm
The M³ Stereo Headphone Amplifier
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post #7 of 10
1/30/10 at 8:44pm
deleted
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post #8 of 10
1/30/10 at 9:25pm
You can build pretty much any DIY amp balanced if you want to. Take a look at all the offerings - you'll find threads throughout the DIY Forum on various designs. Then you can balance whatever you like.
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post #9 of 10
1/31/10 at 5:53am
The M³
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post #10 of 10
1/31/10 at 5:58am
JISBOS balanced. <--- I don't need anything more than unity gain, but running the JISBOS gives you a gain of 2.

running from a single 24V supply, split with a floating GND using TLE2426. (keeping the cost down)
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