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Audio and Video Talk
Vinyl
A preamp that can drive both line levels and headphones
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<blockquote data-quote="Mars" data-source="post: 117043" data-attributes="member: 817"><p>Searching the 'net for ideas how to unite a hifi preamp and a headphone amplifier has led me to this design. It is a design by Morgan Jones who is well known for his contributions to the tube amp world.</p><p></p><p>While I agree that this circuit might serve excellently as a headphone amplifier, even for 30 ohm loads, I am not certain how it will fare as a line level preamp. Has anyone tried this circuit?</p><p></p><p>Using three 6DJ8 or ECC88 to produce two channels of low distortion headphone amplification, it is quite easy to build.</p><p></p><p>Here is the circuit</p><p></p><p><img src="http://headwize.com/images4/cmoy5_1a.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Discussion here <a href="http://gilmore2.chem.northwestern.edu/projects/cmoy5_prj.htm" target="_blank">http://gilmore2.chem.northwestern.edu/projects/cmoy5_prj.htm</a></p></blockquote><p></p>
[QUOTE="Mars, post: 117043, member: 817"] Searching the 'net for ideas how to unite a hifi preamp and a headphone amplifier has led me to this design. It is a design by Morgan Jones who is well known for his contributions to the tube amp world. While I agree that this circuit might serve excellently as a headphone amplifier, even for 30 ohm loads, I am not certain how it will fare as a line level preamp. Has anyone tried this circuit? Using three 6DJ8 or ECC88 to produce two channels of low distortion headphone amplification, it is quite easy to build. Here is the circuit [IMG]http://headwize.com/images4/cmoy5_1a.gif[/IMG] Discussion here [url=http://gilmore2.chem.northwestern.edu/projects/cmoy5_prj.htm]http://gilmore2.chem.northwestern.edu/projects/cmoy5_prj.htm[/url] [/QUOTE]
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Audio and Video Talk
Vinyl
A preamp that can drive both line levels and headphones
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