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DIY For Audio
AIKIDO 24V with <=30V B+ (4XPHILIPS NOS ECC86 + LM317 follower with LM317ccs)
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<blockquote data-quote="gavinbirss" data-source="post: 38432" data-attributes="member: 60"><p>As you can see I am not one of the most tidy people ;D</p><p></p><p>B+ around 24V / divided by 4 for each heater</p><p>4 Phillips NOS ECC86 : date code is 40C1 - 1st week March 1960? if my lookup is correct</p><p></p><p>Driven from PC/usb with MUSILAND D/A</p><p></p><p>Makes AKG K240 MKII sound very nice. Highly recommended as headphone amp. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p><p>Go buy one! Around $ 151 from Glassware Audio : <a href="http://glass-ware.stores.yahoo.net/24vaikidopcb.html" target="_blank">http://glass-ware.stores.yahoo.net/24vaikidopcb.html</a></p><p>Board has seperate tracks for B+ and H+ so other tubes can also be used. Rev B is also versatile in terms of HP output.</p><p>All in one also looks like a good option.</p><p></p><p><img src="http://i576.photobucket.com/albums/ss204/post_avforums/Picture195.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i576.photobucket.com/albums/ss204/post_avforums/Picture196.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="gavinbirss, post: 38432, member: 60"] As you can see I am not one of the most tidy people ;D B+ around 24V / divided by 4 for each heater 4 Phillips NOS ECC86 : date code is 40C1 - 1st week March 1960? if my lookup is correct Driven from PC/usb with MUSILAND D/A Makes AKG K240 MKII sound very nice. Highly recommended as headphone amp. :D Go buy one! Around $ 151 from Glassware Audio : [url=http://glass-ware.stores.yahoo.net/24vaikidopcb.html]http://glass-ware.stores.yahoo.net/24vaikidopcb.html[/url] Board has seperate tracks for B+ and H+ so other tubes can also be used. Rev B is also versatile in terms of HP output. All in one also looks like a good option. [IMG]http://i576.photobucket.com/albums/ss204/post_avforums/Picture195.jpg[/IMG] [IMG]http://i576.photobucket.com/albums/ss204/post_avforums/Picture196.jpg[/IMG] [/QUOTE]
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DIY & Tutorials
DIY For Audio
AIKIDO 24V with <=30V B+ (4XPHILIPS NOS ECC86 + LM317 follower with LM317ccs)
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