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22nd June 2010, 04:31 PM
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#1 |
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diyAudio Member
Join Date: Jun 2010
Location: Greece
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preamplifier
I search schematic of tube preamplifier for this amplifier.
http://mycaramplifiers.com/wp-conten...-amplifier.jpg |
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22nd June 2010, 11:05 PM
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#2 |
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diyAudio Member
Join Date: Mar 2007
Location: Auckland, NZ
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to supply the line or high level inputs? And in what application? Are you going to be using it in a vehicle and so require a robust 12VDC circuit, or some other location?
__________________
Yes, conservatism thrives on low intelligence and poor information. But the liberals in politics... continue to back off, yielding to the supremacy of the stupid. It's turkeys all the way down. - George Monbiot, guardian.co.uk, 6 Feb 2012 |
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22nd June 2010, 11:29 PM
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#3 |
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diyAudio Member
Join Date: Jun 2010
Location: Greece
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to supply this amplifier
http://mycaramplifiers.com/wp-conten...-amplifier.jpg Not for car. i want with tubes. This preamplifier is good? http://diyaudioprojects.com/Tubes/12...1schematic.jpg |
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23rd June 2010, 12:12 AM
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#4 |
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diyAudio Member
Join Date: Mar 2007
Location: Auckland, NZ
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what source are you using? CD? Phono?
__________________
Yes, conservatism thrives on low intelligence and poor information. But the liberals in politics... continue to back off, yielding to the supremacy of the stupid. It's turkeys all the way down. - George Monbiot, guardian.co.uk, 6 Feb 2012 |
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23rd June 2010, 01:46 AM
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#5 | |
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diyAudio Member
Join Date: Nov 2006
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Quote:
For a good line preamplifier consider the Aikido design from TubeCad: John Broskie's Guide to Tube Circuit Analysis & Design Aikido All in One |
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23rd June 2010, 02:15 AM
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#6 | |
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diyAudio Member
Join Date: Sep 2006
Location: Pleasant Hill, CA
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Quote:
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The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity! |
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23rd June 2010, 03:59 AM
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#7 |
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diyAudio Member
Join Date: Mar 2007
Location: Auckland, NZ
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well then. It seems not only economists have this problem!
__________________
Yes, conservatism thrives on low intelligence and poor information. But the liberals in politics... continue to back off, yielding to the supremacy of the stupid. It's turkeys all the way down. - George Monbiot, guardian.co.uk, 6 Feb 2012 |
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23rd June 2010, 09:56 AM
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#9 |
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diyAudio Member
Join Date: Jun 2010
Location: St. Petersburg
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23rd June 2010, 04:52 PM
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#10 | |
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diyAudio Moderator
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Quote:
Me too.. Early on I designed a generally similar circuit and found it sonically inferior to just about anything you could imagine..  Still other options to those listed above could include a simple amplifier stage using half of an ECC99 or 5687 per channel for a gain of around 22dB or so and fairly low source impedance with no fdbk.
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www.kta-hifi.net Last edited by kevinkr; 23rd June 2010 at 04:54 PM. |
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