Old Stock Audio

Vintage vacuum tubes provide the best audio sound! Updates to our vacuum tube stock, audio and guitar kits, DIY parts, and completed designs will appear on this site.

Sunday, August 25, 2013

Contrasting and Comparing 6DJ8 / ECC88 / E88CC Tubes

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Note: This has been re-posted with comments removed. An anonymous poster was using this thread to flame another tube seller--and we do not...

Saturday, December 3, 2011

Questions about 6W6 parameters

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I have been looking at 6W6 design and this tube has some amazing qualities. For one, you can actually pull more power out of it than a 6V6...

1 comment:

Thursday, August 11, 2011

12AX7 Black Plate Review, USA tubes as good as Mullard & Telefunken

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"The earlier a signal is in the audio chain, the more important it's amplification is." This truism places the 12AX7/ECC83 ...

24 comments:

Monday, May 31, 2010

12BH7 Listening Test!

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The 12BH7 shares many similarities to the 6SN7 (also a favorite tube around these parts), but is characterized by a darker sound. In the p...

13 comments:

Sunday, February 7, 2010

12AU7 / 12BH7 / 6CG7: What's best?

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The 12AU7, 12BH7, and 6CG7 have very similar electrical characteristics and can usually be substituted for each other. When deciding what...

5 comments:

Sunday, January 31, 2010

Testing the New Phono Amp

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Congratulations! Burning the midnight oil in preparation for T.H.E. Show (The Home Entertainment Show, Las Vegas 2010) has certainly paid of...

12AX7 Tube-Rolling Notes

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Last night, while hosting a big blind listening test, we decided to compare a few 12AX7 tubes. We'd started our evening with old-stock...

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Madelaine Coffman
Old Stock Audio