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In Reply to: Do a little more reading guys . . . posted by LoudandClear on August 23, 2004 at 07:44:08:
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theaudiohobbyThe H20 is lttle hard to get but not unobtainium. There is a 30 day trial. Become part of the Grapevine.
What information do you seek: contact info, prices, specs? ? Here it is:
There is no web site yet or slick marketing materials. You can email Henry Ho at
mylienho1@netzero.net
He may take a while to get back to you. He has been having email problems with his ISP. The stereo amp is $2,000 and the mono blocks are $3,000 for a pair.
These units are built when an order is placed. I had to wait about 5 weeks due to problems with a metal work subcontractor. Henry Ho is changing subcontractors and revising his packaging for shipping. The difference for the next batch of amps is that the top, bottom and sides will be a powder coated finish while the front panel is anodized. The earlier amps had all chassis sides anodized.
Specs for the stereo amp from a Apogee User Group Forum posting and my questions to Henry Ho:
250/500 watts 8/4 ohms
117dB dynamic range
THD+N 0.006
Output impedance < 0.005 translates to damping factor of 1600.
Power supply rejection ratio > 60 dB
Output offset < 25mV
Dimensions 13"Wx14.5Dx6H, including the feet
Input impedance 8K Ohm
Gain 27dB
Transformer 1KVA
Power supply capacitance 72,000 uF per channelThe amp accepts single ended or balanced inputs selectable with a pair of rear panel switches. There are 2 sets of binding posts for biwiring.
For info on the H20 driving difficult speakers (Apogees), search over here:
http://audioworld.com/cgi-bin/sw/forumdisplay.cgi?action=topics&forum=Apogee+Acoustics+Users+Group&number=1
Here is a link to some pictures including my amp:
http://www.audiocircle.com/circles/viewtopic.php?t=11779&postdays=0&postorder=asc&start=20
Credit cards are not accepted but you could use one of those checks that many credit card companies provide.If you email Henry Ho, provide a telephone number where he can reach you.
BTW, I am not connected with H20 - just a customer.
Bob
Rome wasn't built in a day.Anywau, I think one of the key points here is the big paradigm shift in amplifier R&D.
H20 Audio took a stock ICEPower module, mated it with a power supply and got big results in a jiffy. That was just a few months ago. No more tuning and tweaking of gain stages and Fets and Bipolars etc etc to dial in the sound.
Look for more and more development of very good sounding amps using prebuilt digital amp modules from the like of ICEPower, LCAudio, Hypex, PowerPhysics, Tripath etc etc.
It's coming whether we like it or not.
from your post, the amplifier is clearly still in development, yet both of you have proclaimed it to be the best when compared to 'actual' products that are available on the open market.well...
I have heard the H2O monos at Henry Ho's house on his Scintillas and the system was amazing. For difficult loads like the Apogees, it is a perfect match. I have Scintillas so I am planning on buying them. My wife (who is a musician) even demanded that the Scintillas be removed from the basement and brought up to the living room when we buy this amp. This is something that I thought I would never see in my lifetime! Bob
Not quite correct.Version 1 (with the aluminum case) is sold out.
Version 2 (with the new case) is coming soon.
The marketing and revised manufacturing process is what is in development.
We are just giving you a head's up, that is all.
Theaudiohobby, nobody is trying to convince you the H2O is the next thing better to Mom's Banana Split Pie. We are H2O owners, and that is our opininion. There are others. One deeep pocket audiophile sold his Pannys, and 3 Evo Gen. II's, and replaced them with three H2O's. Another fellow is using them on his Soundlabs. There are several more, most being Apogee owners. The H2O builder, has been hand burnishing aluminum plates for the last few months. Since the builder, Hung Ho, in Virginia, is a fellow Apogee lover, we heard of the H2O first. In the meantime, he has secured the services of chasis builders, printers, and website builders. As soon as that all is running smoothly, amp production will increase dramatically, and you won't have to take our word for anything.
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