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Old 15th July 2005, 08:25 PM   #1
jives11 is offline jives11  Europe
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Default Cain & Cain & Class-T

I have a couple of Class-T amps and was wondering on an ideal speaker to exploit their low power output.

I wondered if anyone has tried Class-T with the Cain & Cain Abby speakers ?

The costs are all wrong by conventional models i.e a $20 amp with $1500 dollar speakers but I was just curious how this combination sounds ?
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Old 15th July 2005, 11:05 PM   #2
dmason is offline dmason  United States
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I have used optimized T amps with the FE168Sigma and was astounded at the sound. totally taken aback by the level of openness and musicality. Anyone who experienced otherwise likely was using an unworked driver....I would have to say that in my experience T amps have uncommon synergy with the 168Sigma, and also the 166esr.

Several people use them with the Hornshoppe Horn which has the FE108Sigma. Synergy between the two is well documented. As always, YMMV, don't know about the FE166 or FFK? models. I know several people auditioned the BEN with a ClariT amp and were very impressed, and many use T amps with Fostex based speakers.
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Old 16th July 2005, 05:53 AM   #3
zobsky is offline zobsky  India
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sonic impact works very well with a fe-166e , one of the drivers used in the C&C abby
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Old 18th July 2005, 02:34 PM   #4
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I actually am using one of the Audio Zone gainclone pototypes with the 168E Sigmas. Wow! It truly is stunning, even eerie sometimes. I had been using 300B monos and while I really like tubes, I tend to be falling for the Audio Zone.

I've been planning to build some new speakers, but this amp has slowed that process as it sounds just amazing!

On that note, the Sonic Impact isn't in the same league. I have one that I've left stock, and while it's nice and balanced, it doesn't compare to either the 300Bs or the Audio Zone. I'd say the sound is more sterile and the soundstaging doesn't even begin to compare. While a worthy experiment, it far exceeds it's price point, but doesn't compare to better amps. However, it could be something much nicer if modded.
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Old 18th July 2005, 04:53 PM   #5
dmason is offline dmason  United States
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"However, it could become something much nicer if modified."

--too true. Properly implemented mods to the smaller T chips make them monsters. the little plastic TA2024 can run with about any lower powered amp out there, having heard and owned a bunch of them. Not quite SET in the highs, comes scary close. Direct-coupled to great drivers like the FE168Sigma, 166esr, Visaton B200, I can say first hand, the results are unreal.

I would love to hear the Audio Zone Amp as well. Another product from "Boeing Audio."

To the original question, yes, the T amps and Fostex Sigmae are a flat-out killer combo. If DIY'ing, google Fostex and Moai for the 24L aligment by Nagaoka.
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Old 18th July 2005, 05:46 PM   #6
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question, just what do you refer to with "boeing audio?" curious...
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Old 18th July 2005, 06:05 PM   #7
dmason is offline dmason  United States
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I believe Peter Daniel works at Boeing in Toronto. I read where they had some access to its millworks for fine metalworking like chassis, etc.

I would also be curious to know what alignment your FE168 Sigma is in...more about your system with the Audio Zone and these drivers. Sounds Very interesting.
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Old 18th July 2005, 07:16 PM   #8
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Should be a good pairing -the FE166E or FF165K (A deeply under-rated driver) with the Class T jobs. Just watch out for rising distortion levels as power-output increases. Not much of a problem with circa 95db 1w / 1m though!
Cheers
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Old 18th July 2005, 07:18 PM   #9
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Thanks for the info, quite interesting. The amp is pretty special, I've had quite a few amps over the past few years and this is a keeper.

I've got my drivers in TC's bigger is better boxes. (tall folded pipes) Not ideal, as they are built for a smaller driver, but they work. And with the new amp, they actually sound good in these boxes. My goal is to put the Fostex's in a sealed cab (or O.B.) with a larger woofer for the lower end of things, crossed around 200hz or so. I also have some supertweeters I may try for a little extra air on top.

As for the rest of the system, Audio Note CD 2.1x, Thorens TD160 with SME and Shure cart, Grado phono pre, FT Audio LW1 passive buffered pre. IC's are primarily 47 labs OTA with Eichmann Bullet Plugs, (best IC's I've heard, including some pricey players). I also have two Yamaha servo'd 8" subs. I have some power bits, which help, hoping to mod the pre at some point and rewire the tone arm.

This is far from perfect, but is sounding better with the recent changes. New speaks and some room treatment of some sort and I may have something.

Cheers!
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Old 19th July 2005, 02:50 PM   #10
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Actually, from recent conversations I've had with Terry elsewhere, he reckons the FE168ESigma is a good match for these cabinets, though their Q is a little low. I've used the FE166E with them, which worked well, and the FF165K (best so far), as well as a few other non-Fostex models. I've tried increasing the depth and reducing the height with another rough pair of cabinets -didn't make much difference to the (excellent) in-room response, so I'll probably stick with the original, which seems to work well with quite a few sub 6 1/2" drivers.
Best
Scott
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