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Audio and Video Talk
Valves / Vacuum Tubes
6146 A/B Tube in an Audio Application?
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<blockquote data-quote="Family_Dog" data-source="post: 264013" data-attributes="member: 82"><p>Charles,, it goes on to say:</p><p></p><p>"Valves</p><p></p><p>There is no exact equivalent for the Osram type KT66, and its use is recommended where possible. When the equipment is to be used overseas, the KT66 may be difficult to obtain, and 6L6G glass and 6L6 metal types may be regarded as direct replacements, with the proviso that the total anode and screen dissipation should be reduced from 25 W to 21.5 W by reducing the total current from 125 mA to 110 mA by adjustment of R21. The use of these valves with reduced rating entails a slight reduction of the maximum output. The 807 may be used at the full rating of 25 W, with modifications to the valve connections." </p><p></p><p><a href="http://www.r-type.org/articles/art-107d.htm" target="_blank">http://www.r-type.org/articles/art-107d.htm</a></p><p></p><p>If using the metal-cased version of the 6L6, care must be taken that there are no connections to pin 1 of the valve base, but you know that <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p></p><p>-F_D</p></blockquote><p></p>
[QUOTE="Family_Dog, post: 264013, member: 82"] Charles,, it goes on to say: "Valves There is no exact equivalent for the Osram type KT66, and its use is recommended where possible. When the equipment is to be used overseas, the KT66 may be difficult to obtain, and 6L6G glass and 6L6 metal types may be regarded as direct replacements, with the proviso that the total anode and screen dissipation should be reduced from 25 W to 21.5 W by reducing the total current from 125 mA to 110 mA by adjustment of R21. The use of these valves with reduced rating entails a slight reduction of the maximum output. The 807 may be used at the full rating of 25 W, with modifications to the valve connections." [url=http://www.r-type.org/articles/art-107d.htm]http://www.r-type.org/articles/art-107d.htm[/url] If using the metal-cased version of the 6L6, care must be taken that there are no connections to pin 1 of the valve base, but you know that :) -F_D [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
6146 A/B Tube in an Audio Application?
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