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#91230 - 06/20/05 04:46 PM Re: Want to Try Super Tube Sound for $20?
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16277
Loc: Leesburg, Virginia
It would be interesting to stress test that little sucker. Hook it up to the most robust power supply you can find, then throw the 1812 Overture (complete with cannons!) at it and see how it holds up.
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#91231 - 06/20/05 05:42 PM Re: Want to Try Super Tube Sound for $20?
samandnoah Offline
devotee

Registered: 03/11/03
Posts: 320
Loc: Austin, TX
Merkaba--

Hope you don't mind, but I'm posting some of the links to mods that you were kind enough to put in the M3 speaker thread. I think some of the folks here could have missed it, and I thought these were highly informative. I really, really want to try some of these now that I finally played with my T-amp over the weekend.

Some step-by-step basic mods
Parts and Mods list
Michael Mardis has done a lot with the amp, and he answers questions. A pretty informative site with diagrams, etc.
Class D Forums

Do we want to do a group buy and see if we can save some money on some of the components?

Enjoy.
Rich

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#91232 - 06/20/05 07:03 PM Re: Want to Try Super Tube Sound for $20?
nautec Offline
old hand

Registered: 03/27/05
Posts: 64
Loc: Tucson, AZ
If you can figure out how to interface a remote, then you are a god. Yeah I am lazy. That one guy spent like $155 on parts for the mods and most of the price came it the enclosure. Heck, i'd be in for a group buy. I already made mods to the existing case and I wouldn't mind a nice enclousure and capacitors.

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#91233 - 06/20/05 08:20 PM Re: Want to Try Super Tube Sound for $20?
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17781
Loc: NoVA
A remote would be sa-weet. That's part of why I'm still debating on the office/Zone 2 system.
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#91234 - 06/20/05 08:25 PM Re: Want to Try Super Tube Sound for $20?
samandnoah Offline
devotee

Registered: 03/11/03
Posts: 320
Loc: Austin, TX
Dude, I am no God! In another thread I had to admit I don't even know how to solder! I just want some RCA inputs and binding posts. Oh, OK, and better volume control. The AudioDIY link has lots of cool projects folks have done with this amp.

Rich

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#91235 - 06/20/05 08:46 PM Re: Want to Try Super Tube Sound for $20?
nautec Offline
old hand

Registered: 03/27/05
Posts: 64
Loc: Tucson, AZ
My reply was to everyone not just you

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#91236 - 06/20/05 09:17 PM Re: Want to Try Super Tube Sound for $20?
samandnoah Offline
devotee

Registered: 03/11/03
Posts: 320
Loc: Austin, TX
Doh!

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#91237 - 06/21/05 10:34 AM Re: Want to Try Super Tube Sound for $20?
Merkaba Offline
old hand

Registered: 08/20/04
Posts: 83
Loc: NL, Canada
@Riffman: Just one, and not at high levels with the 60's (people were sleeping). I later ran the 40's to pretty good levels for short periods, but wanted to take it slow. I will try the 60's again today. My wall wart is only providing 300mA, so hopefully a bigger supply will help with higher volume and control. This is where the mods come in too.

Overall, at normal levels it's pretty good with most things I play. Perfect for a computer or bookshelf system I think. When I plug my NAD back in there's an obvious improvement though. Better control, dynamics, bass. Replacing the T-amps caps is supposed to help a lot in that area.

@samandnoah: Post them wherever you want

@nautec: That would be nice, but I wouldn't know how to do that. You might try using the T as a power amp with a simple pre-amp. People seem to recommend a tube pre, but I'm sure there are affordable SS with remotes going around. In this case, you can either turn the volume on the T all the way up and use the pre for control, or actually wire it directly to the input jacks. A quick search and here is a remote controlled passive pre, the Creek Audio OBH-22. I guess that could work? Not sure...

"The OBH-22 is purely passive and does not introduce any gain or distortion into the signal path. It is therefore suitable to be used as a control pre-amplifier, provided the sensitivity of the power amplifier that is being used is high enough to be driven directly from the source. i.e. CD player or tuner etc."
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Axiom M60ti Hsu VTF-2 Mk2 NAD C320BEE NAD C542 Systemdek IIX Cables by Unity Audio

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#91238 - 06/23/05 09:22 PM Re: Want to Try Super Tube Sound for $20?
Merkaba Offline
old hand

Registered: 08/20/04
Posts: 83
Loc: NL, Canada
I noticed my T-amp was getting pretty warm after only a short period of fairly low volume use, so I borrowed my Father's Multimeter to ensure my 12V wall-wart was indeed a 12V. Turns out it's actually putting out closer to 19V....I'm surprised the amp isn't dead.

Check your wall-warts!
_________________________
Axiom M60ti Hsu VTF-2 Mk2 NAD C320BEE NAD C542 Systemdek IIX Cables by Unity Audio

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#91239 - 06/23/05 10:49 PM Re: Want to Try Super Tube Sound for $20?
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16277
Loc: Leesburg, Virginia
Wow. That's some pretty poor quality control.
_________________________
"I wish I had documented more…" said nobody on their death bed, ever.

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