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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Jim it was probably the 7788. This "supertube" was military stockpiled and difficult to get until about 8 years ago when finally military released. Then you could get them for $5 but people are getting wise now as per the $30-40 price...
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Thanks for the comments Romy. Would appreciate pointing out where the schematic is for the 7788 phono preamp or even better your friend´s 7788 mic preamp schematic. I can use the phono stage circuit minus the RIAA as a starter and th...
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As you may know the 7788 is a high transconductance pentode which should in theory be able to give higher audio resolution than say 12AX7, 6072 tubes in tube mic pre designs. On search here the 7788 was mentioned as being used as the ...
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Durón, Sebastián»
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