Me again... matrix decoding w/ tubes?

sixSixSeven · 23rd March 2011, 04:42 AM

Is it possible to matrix decode (dolby prologic I) with tubes? I'm staring at a beautiful 4-pack of 6BN11's (your recommendation) and a Yamaha RX-V850 Dolby Reciever.

If not, is it possible to build a 2 channel preamp out of 9 identical pentodes (still got that 11BQ11...) without a coupling transformer at all?

Thanks!

rvrazvan · 23rd March 2011, 03:33 PM

search for aikido for the preamp. double triodes are usually used

23rd March 2011, 04:42 AM	#1
sixSixSeven diyAudio Member Join Date: Mar 2011	Me again... matrix decoding w/ tubes? Is it possible to matrix decode (dolby prologic I) with tubes? I'm staring at a beautiful 4-pack of 6BN11's (your recommendation) and a Yamaha RX-V850 Dolby Reciever. If not, is it possible to build a 2 channel preamp out of 9 identical pentodes (still got that 11BQ11...) without a coupling transformer at all? Thanks! __________________ >]¦¦¦\|-- >]¦¦¦\|--

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23rd March 2011, 03:33 PM	#2
rvrazvan diyAudio Member Join Date: Jul 2010	search for aikido for the preamp. double triodes are usually used

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