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Old 10th May 2007, 02:44 AM   #11
Leolabs is offline Leolabs  Malaysia
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Acoustic Arts from Germany.
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Old 10th May 2007, 04:05 AM   #12
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thank You for the informs
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Old 10th May 2007, 09:06 AM   #13
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Acoustic Arts seems to be a nice company all right...nice looking products....

lateral mosfets are rather expensive - this is probably the reason why they are not used more in audio ...

anybody knows any other reason for not using them in audio instead of the normal Mosfet's like IRF group...
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Old 10th May 2007, 09:48 AM   #14
ACTIVA is offline ACTIVA  Singapore
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Hi,
Older models from Goldmund like the Mimesis 7, 9
Audio Synthesis Power amps
Older models from Spectral like the DMA200, DMA180

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Old 10th May 2007, 10:05 AM   #15
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any sch available?
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Old 10th May 2007, 12:06 PM   #16
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It might be because audio is a niche market. Most MOSFET applications are used for high speed switching. High power linear operation with high losses and the associated heat-cycling of the silicon just isn't a popular design solution for practically anything except audio.

I think lateral MOSFETs may be a cheaper, older technology, but they just don't enjoy the same economies of scale.
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Old 10th May 2007, 12:26 PM   #17
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Quote:
Originally posted by sparkle
Acoustic Arts seems to be a nice company all right...nice looking products....

lateral mosfets are rather expensive - this is probably the reason why they are not used more in audio ...

anybody knows any other reason for not using them in audio instead of the normal Mosfet's like IRF group...
Most like the issue is price -- they are 3x the price of a HexFET -- and single source --
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Old 10th May 2007, 12:30 PM   #18
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Quote:
Originally posted by jackinnj


Most like the issue is price -- they are 3x the price of a HexFET -- and single source --
Single source? We have at least three brands of lateral MOSFET, although perhaps only two manufacturers if Charles Hanssen has correct information.

Price seems to have gone up, though, also for the Exicon parts.
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