Thank you for you help. A.R. made 3 model's of D-90's. They are D-90 (4 pairs of 6550's),D-90-revised (4 pairs of 5581's and the D-90B witch also takes (4 pairs of 5881's.
I'm new to tubes,but I do have a C.J.45mv-a1 that I bought a few months ago. I've been rolling tube and driving tube sellers on ebay nuts with ?'s Is there a book out there what would explain the differant qualities of the tubes?
My Mac pre-amp has 2 sets of outputs, So I'm thinking of bi-amping with the C.J. for mids and highs and the A.R. for the lows.I've got several active x-overs so I thought what the he--.
Any input would be more then welcome. Thank you for your time and trouble,Bill
I'm new to tubes,but I do have a C.J.45mv-a1 that I bought a few months ago. I've been rolling tube and driving tube sellers on ebay nuts with ?'s Is there a book out there what would explain the differant qualities of the tubes?
My Mac pre-amp has 2 sets of outputs, So I'm thinking of bi-amping with the C.J. for mids and highs and the A.R. for the lows.I've got several active x-overs so I thought what the he--.
Any input would be more then welcome. Thank you for your time and trouble,Bill