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1st August 2005, 02:40 PM
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#1 |
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diyAudio Member
Join Date: Apr 2004
Location: Los Angeles, CA, USA
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commercial high-power transconductance amplifier!
Hello,
I was browsing through the Marchand Electronics page, and I stumbled on this... definitely looks like a high-power transconductance amplifier, and Marchand is an excellent company in regards to electronics. $950 http://www.marchandelec.com/cl54.html Would be fun to use with subwoofers as would bypass the issue of thermal compression and other non-linearities... cheers, -tal |
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4th August 2005, 03:31 AM
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#3 | ||
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diyAudio Member
Join Date: Jul 2005
Location: na
  
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Re: commercial high-power transconductance amplifier!
Quote:
Speaker wire ......... Why Quote:
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4th August 2005, 03:58 AM
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#4 |
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Account Disabled
Join Date: Aug 2002
Location: Near to the Pacific Ocean
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Constant current source . . . ? ? ? My understanding is . . . Transconductance amplifier (current amplifier) means that output current is proportional to input voltage while voltage amplifier means that output voltage is proportional to input voltage . . . Regards jH |
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4th August 2005, 03:25 PM
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#6 |
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Account Disabled
Join Date: Aug 2002
Location: Near to the Pacific Ocean
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Hmm . . . I do not know why I can't connect . . . Probably u could do . . . www.firstwatt.com Full info there . . . Regards jH |
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4th August 2005, 08:25 PM
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#7 | |
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diyAudio Member
Join Date: Jul 2005
Location: na
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Quote:
Your understanding is correct... and it is called a ccs for that reason... The important thing I would point out to you however is that these amps have little or no damping and damping is what stops or reverses a speaker according to the signal put into it to prevent overshooting... I did a couple of rather crude writeups on this if you woud like to see them, just beware of the elitest hype... |
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4th August 2005, 11:14 PM
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#8 |
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Account Disabled
Join Date: Aug 2002
Location: Near to the Pacific Ocean
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If you say "current source", then you are right . . . If you say "constant current source", I'm confused . . . Probably, you are confused . . . Output impedamce is, yes, high . . . Regards jH |
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5th August 2005, 03:23 AM
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#9 | |
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frugal-phile(tm)
diyAudio Moderator
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Re: Re: commercial high-power transconductance amplifier!
Quote:
dave
__________________
community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA |
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5th August 2005, 03:38 AM
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#10 |
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diyAudio Editor
Join Date: Dec 2001
Location: San Francisco, USA
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I would request that we don't turn this into another discussion of Damping Factor. I think everyone has had his or her say on the subject...
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