Wheatfield HA-2 on Audiogon
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Fortune

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I noticed the HA-2 for sale with a good set of tubes to roll with it. It's not mine but I know there has been some interest in this discontinued beauty and wanted to pass it along to the team here an Head-Fi.
 
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eric343

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Good lord! That's one hell of a deal!

I'd buy it except we already have a Wheatfield...
 
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Hirsch

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I do not need another amp. I do not need another amp. I do not need another amp. If I keep repeating this, I might start believing it
 
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mikel51

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Thanks to this thread, I struck a deal to purchase this ampl I am relatively new to headphone amps, but I encountered the HA-2 at the Headroom show when it travelled through the San Francisco area. I was mostly interested in getting Etymotics and an airhead (which I did after listening), but when I listened to some Louis Armstrong on the HA-2 through some HD600s, I thought that this was a magic experience. I liked it better than any of the other high end amps that I listened to at the show--including the Headroom amps or the EAR.

Does anybody know what tubes they were using at the Headroom show--or any other details of how the amp and the HD600s were set up?

The amp comes with these tubes described as the best of the set by the seller:

Fav tubes:
Input/Driver tube: NTT 6SN7GT. Quietest of all tubes. Deep tight bass. Clear
highs and liquid midrange. I cannot see any area for improvement. Better
than the fabled Pearl Cryovac Sylvania VT-231 (which sells for a lot of
money - check it out -has a reputation for being great). Has great midrange
and airy highs, but I find is not as quiet, and the bass does not have as
much weight as the NTT. The NTT is nearly impossible to find.

Output Tube: The TungSol 5998. Tightest, deepest, most dynamic bass.
Followed by the 7236, which is not as dynamic. The 6080s are not that far
behind, but the bass is a little fatter.

Rectifier. I like the Mullard CZ38. It provides a slow warm up, which
extends the life of the tubes. Sound wise, I don't think it makes much of a
difference to the 5u4gs.

Does anybody have any other tube recomendations for this amp?

Mike
 
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Tuberoller

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[size=xx-small] Quote:

Originally posted by mikel51
Thanks to this thread, I struck a deal to purchase this ampl I am relatively new to headphone amps, but I encountered the HA-2 at the Headroom show when it travelled through the San Francisco area. I was mostly interested in getting Etymotics and an airhead (which I did after listening), but when I listened to some Louis Armstrong on the HA-2 through some HD600s, I thought that this was a magic experience. I liked it better than any of the other high end amps that I listened to at the show--including the Headroom amps or the EAR.

Does anybody know what tubes they were using at the Headroom show--or any other details of how the amp and the HD600s were set up?

The amp comes with these tubes described as the best of the set by the seller:

Fav tubes:
Input/Driver tube: NTT 6SN7GT. Quietest of all tubes. Deep tight bass. Clear
highs and liquid midrange. I cannot see any area for improvement. Better
than the fabled Pearl Cryovac Sylvania VT-231 (which sells for a lot of
money - check it out -has a reputation for being great). Has great midrange
and airy highs, but I find is not as quiet, and the bass does not have as
much weight as the NTT. The NTT is nearly impossible to find.

Output Tube: The TungSol 5998. Tightest, deepest, most dynamic bass.
Followed by the 7236, which is not as dynamic. The 6080s are not that far
behind, but the bass is a little fatter.

Rectifier. I like the Mullard CZ38. It provides a slow warm up, which
extends the life of the tubes. Sound wise, I don't think it makes much of a
difference to the 5u4gs.

Does anybody have any other tube recomendations for this amp?

Mike


[/size]

This is really not a discussion forum,but please do a search for a thread called" Tuberolling the wheatfield HA2".If you have futher questions please post to that thread.
 
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CRESCENDOPOWER

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There are a lot of other amps that are much better than the HA-2, so don't worry about what tube compliment to choose. When you decide to get rid of it P.M. me and I guess I will take it off your hands.
 
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eric343

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mikel51, check eBay for a CBS Brownbase 5692 or a Ken Rad VT-231; Tuberoller's top recommended tubes.

And don't listen to Crescendopower, he's just trying to get himself a Wheatfield for cheap. Done right, it's a fantastic deal for the moolah. IIRC it's one of Todd's favorite tube amps...
 
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