| Headphone Amps (full-size) Discussion of desktop headphone amps. |
03-04-2005, 12:40 PM
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Registered User
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Join Date: Feb 2005
Location: Boston, Massachusetts
Posts: 145
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SuperMacro V2.0 coming out soon!
Taken from Xin's Cool Talk website:
Source: http://www.fixup.net/talk/topic.asp?TOPIC_ID=579
V2.0 of SuperMacro!
The main thing new in this new version is the architecture: true triple mono - separated L, R and ground channels. Most changes/improvements are in the ground channel which also features a new key component for better performance and reliability. This V2.0 has better bass and sound image, sounds quieter and works more stable as well. Also, this version can work at lower voltage; therefore batteries can last longer.
This new version can deploy optimally any popular audio opamps, such as OPA637, 627, 228, 227, 604, AD8610, 825, 797, NE5534, LM6171 etc., at default gain 5 or higher.
Higher current in both battery-save and AC mode, for richer sounding either on road or at home.
The volume pot is also changed for better low-volume control for some very sensitive headphones.
Larger caps: 6800uF (standard), 4400uF (opamp sockets) and 2400uF (buffer sockets), respectively.
Shipping of the new V2.0 will start in 1-2 week(s). All unshipped orders will be held for this new version.
Current owners of SuperMacro will be able to upgrade by replacing the circuit board(s). Details will be set shortly.
Thank you!
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03-04-2005, 12:54 PM
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100+ Head-Fi'er
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Join Date: Nov 2004
Location: Tokyo, Japan
Posts: 405
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Excellent, thanks for posting this!
I was gonna send my OPA627 SM back to Xin tomorrow, to have him replace the pot, but I guess I'll hold off until the V2.0 is ready ... 
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[interconnects] Sik Ram Din / PocketDock + CablePro EarCandy
[phones] Sony MDR-SA5000 / Sensaphonics 2X-S
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03-04-2005, 01:02 PM
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100+ Head-Fi'er
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Join Date: Jan 2005
Location: London, UK
Posts: 244
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Same here,
was just about to send mine off to be looked at, now I'll just upgrade the circuit boards..
hope it won't cost that much. I am so broke after buying all this headphone quipment...my wallet curses, but my ears thanks'.
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03-04-2005, 03:05 PM
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500+ Head-Fi'er
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Join Date: Aug 2004
Location: Southeast Colorado
Posts: 517
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I'm thinking I'm going to send my SM back in, most likely when Xin makes that dc converter too!
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03-04-2005, 03:32 PM
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Headphoneus Supremus
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Join Date: Apr 2002
Location: Barbaria
Posts: 2,892
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Nice!
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03-04-2005, 03:36 PM
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1000+ Head-Fi'er
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Join Date: Jan 2005
Location: NYC
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Any ideas as to change in price? I'd imagine the price may increase with the additional parts of a triple mono typology...but "All unshipped orders will be held for this new version" suggest that the price may be the same?
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03-04-2005, 03:37 PM
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1000+ Head-Fi'er
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Join Date: May 2004
Location: Texas
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 Sheesh! He never quits. Xin wears me out even more than my wife.
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03-04-2005, 03:54 PM
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Headphoneus Supremus
'06 National Meet Co-Coordinator
100% THD and S/N = 0
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Join Date: Jan 2003
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Quote:
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Originally Posted by vranswer
Sheesh! He never quits. Xin wears me out even more than my wife. |
And she's hot, too!
If past history is any indication, Xin will do all he can to keep the price at or close to current levels.
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03-04-2005, 04:11 PM
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Join Date: Feb 2004
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Hmmm...I literally just placed my order for a SuperMacro on Wednesday. I'm curious as to which board I will be getting. 
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03-04-2005, 04:38 PM
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Headphoneus Supremus
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Join Date: May 2004
Posts: 2,445
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From one of Xin's posts:
"If you can open the front panel of SuperMacro, you can simply order the new boards and easily swap them by yourself without having to send your amp back. Then you may send the old boards back for some cashback."
Xin is da man!
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03-04-2005, 05:15 PM
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500+ Head-Fi'er
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Join Date: Feb 2004
Location: Quincy, MA
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Three seperated channels? Is that a PPA  It's pain to catch up with this guy! But do I have any reason to talk me out of the upgrading?
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03-04-2005, 06:12 PM
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100+ Head-Fi'er
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Join Date: Dec 2004
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sweet! I was going to order one next week anyway 
quick question though (I'm not an electrical person). with the 4500uF optional sockets, does this mean that it might be worth getting it socketed (for self rolling) instead of haveing the opamps soldered on?
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03-04-2005, 07:13 PM
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Headphoneus Supremus
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Join Date: May 2004
Posts: 2,445
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Quote:
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Originally Posted by Darwin022
sweet! I was going to order one next week anyway
quick question though (I'm not an electrical person). with the 4500uF optional sockets, does this mean that it might be worth getting it socketed (for self rolling) instead of haveing the opamps soldered on? |
As far as I remember, Xin had said that anywhere above something like 3000uF it was almost impossible to detect the difference with higher capacitance. AFAIK, the only reason that the non-socketed version has a higher value is that there is space for it, but it shouldn't affect the sound too much.
In any case, I recommend posting in Xin's forum for a personal answer from the master
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Home:
foobar2000 -> Corda Opera -> HiFiMAN HE-5, Ultrasone Edition 9
foobar2000 -> Corda Opera -> Pioneer Elite A-35R -> Axiom M3Ti
Portable: 5G 60GB iPod -> Sensaphonics 2X-S
"My game's like the Pythagorean Theorem. It ain't got no answer." - Shaquille O'Neal
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03-04-2005, 07:58 PM
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500+ Head-Fi'er
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Join Date: Jan 2005
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Ah, geez... anyone from SoCal getting one of these? I'd like to do a comparo with my soon to arrive Portaphile.
When Xin comes out with his SM/DAC that's something I'll _really_ have to consider.
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03-04-2005, 08:04 PM
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1000+ Head-Fi'er
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Join Date: Apr 2004
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Xin was at the NorCal meet last weekend, everyone was pretty impressed by the new SuperMacro. Impressions here, if you haven't seen them already.
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