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Astrodyne Switching Power Supplies?

post #1 of 7
3/20/08 at 8:03pm
Thread Starter 
I hadn't seen the headroom site in a few months and today I was a bit bored at work and was looking around and saw the Astrodyne switching power supply with the 5 pin connector for the Micro/Desktop/Home lines. I have a MicroDAC from the original run. How much of an improvement does the Astrodyne provide? I remember I was one of the people who had been bugging Tyll to do this and I am certainly considering ordering one, just kind of interested in more information/impressions. Thanks!

rj
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post #2 of 7
3/20/08 at 8:22pm
Quote:
Originally Posted by PITTM View Post
I hadn't seen the headroom site in a few months and today I was a bit bored at work and was looking around and saw the Astrodyne switching power supply with the 5 pin connector for the Micro/Desktop/Home lines. I have a MicroDAC from the original run. How much of an improvement does the Astrodyne provide? I remember I was one of the people who had been bugging Tyll to do this and I am certainly considering ordering one, just kind of interested in more information/impressions. Thanks!
rj
Hi There PITTM,

We feel the Astrodyne power supply will provide a plainly audible improvement over the linear-regulated AC ps we provide. Certainly the international-use Astrodyne exhibits way lower current ripple and has a more precise and robust voltage tracking regulator than the linear PS 'wall-warts' !

You can always pick one up and try it out for yourself. The HeadRoom 30-day refund/exchange period remains in effect!

Cheers,
Jorge
HR Sales/Product Manager
HeadRoom was founded in 1992 & manufactures headphone amps, DACs, and accessories; and sells headphones & related personal audio gear. We offer exceptional products, customer service, & information.
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post #3 of 7
3/22/08 at 6:55pm
Quote:
Originally Posted by JorgeC View Post
Hi There PITTM,

We feel the Astrodyne power supply will provide a plainly audible improvement over the linear-regulated AC ps we provide. Certainly the international-use Astrodyne exhibits way lower current ripple and has a more precise and robust voltage tracking regulator than the linear PS 'wall-warts' !

You can always pick one up and try it out for yourself. The HeadRoom 30-day refund/exchange period remains in effect!

Cheers,
Jorge
HR Sales/Product Manager
I'd actually like to make a suggestion: I just purchased an Ultra Micro Amp along with the Astrodyne PS. I didn't realize that the regular wall-wart would be included in the package too. It's utterly redundant and therefore useless for me, as I imagine it would be for most people who purchase new amps and the Astrodyne (or DPS) at the same time. You should strongly consider letting people choose not to receive the extra wall-wart. It would be cheaper for you, possibly cheaper for the customer, and above all, much less wasteful and better for the environment.
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post #4 of 7
3/24/08 at 2:40pm
X2 on this. The wall wart is sort of useless. I too have the Astrodyne's and so the wall warts are just in the original HR boxes. Even a small credit would be better than nothing. I would even take a credit towards another purchase.
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post #5 of 7
3/24/08 at 7:21pm
Thread Starter 
Could either of you guys above who have both write a little mini review of the differences you hear? Or link me to the thread where you have already done so if you have? That would be pretty sweet. I imagine I would get less using this with the MicroDac than I would with one of the amps yes?
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post #6 of 7
3/25/08 at 1:16am
Quote:
Originally Posted by PITTM View Post
Could either of you guys above who have both write a little mini review of the differences you hear? Or link me to the thread where you have already done so if you have? That would be pretty sweet. I imagine I would get less using this with the MicroDac than I would with one of the amps yes?
I haven't had it long enough yet (4 days), but I'm also not going to have time to really do back-and-forth testing. It would be better to find someone who has used the wallwart for a time, and then switched to the Astrodyne. I'm sure there are posts out there.

However, to your question about the DAC -- the distinct impression I've gotten from the folks at HeadRoom is that the DAC is even more power hungry than the amps for any given board (i.e., home vs. home, max vs. max). For instance, they say the astrodyne will provide adequate power to the Desktop Max, and even to the Desktop Balanced (with two Home modules), but once you add the "extremely power hungry" DAC option, you've got to go DPS, particularly for the Max DAC board. I realize the main difference is that it's cumulative, because a single PS has to power two boards instead of one in that case, but if it can handle the double circuit in the balanced desktop by itself, I get the impression it's also that the DACs -- particularly the Max DAC -- are power hungry.
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post #7 of 7
3/25/08 at 10:48pm
Quote:
Originally Posted by PITTM View Post
Could either of you guys above who have both write a little mini review of the differences you hear? Or link me to the thread where you have already done so if you have? That would be pretty sweet. I imagine I would get less using this with the MicroDac than I would with one of the amps yes?
To be honest, it's very difficult to compare. It's definitely a psychoacoustic issue for me. I paid a bucket of money for the components, they say it's better, I like what they make and I trust them so what the hell, it's got to sound better doesn't it?
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