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- Mar 5, 2012
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@JoelT beautiful shots. Thank you for sharing.
Cifte/Mazda(?) 12AU7 - Good staging/separation, not compared directly to JAN/RCAs but JoelT and dogmatrix digging on 'em
Cost - found a pair on eBay for $130
RCA Cleartops - More overall detail, thinner bass than Sylvania, but still more bass than stock, better for darker headphones - being offered directly through Woo for matched sets (~$250) - seem to be overall a tad more natural than JANs which might bloat the bass/mid-bass
Cost ~$65 at tctubes.com (though, this seems low, am I looking at the right things? They're labelled as "organ stock") @ tubedepot for ~$120 for a matched set
@JoelT After extensive research on arcing it seems the blue arc is caused by gas , common in tubes that have been in long storage and not a problem . A bright white flash on the other hand may indicate a tube is close to failure
Any thoughts on the organ stock clear tops?
http://tctubes.com/RCA-12AU7A-clear-tops-matched-pair.aspx