To answer the question poses at the beginning of your post: I will start off with an EL84 based push pull tube amp with wimpy output trannies driven by a Foreplay line stage. The amp is scheduled for a rebuild once I finish the Seal Electronics OptiMOS push pull (Class B) solid state amp I'm building. The OptiMOS will start of at about 100amps, which is a bit on the low side for the design, and will be beefed up to about 200 amps once I getsome bigger power trannies. The tube amp will be give larger, higher quality output transformers and will have all its caps and resistors replaced (the left/right gain is different and there is a buzz in the right channel).
Once both amps are complete, they will be paired with speakers based upon what woks best. Right now the tube amp and Foreplay are driving a pair of Fostex 203FE based BLH's in the family room.
Is teh crossover design the same for each component level? If so, I might start out with the lower cost design and upgrade later. My biggest concern with that route, though, is that there will be an audible 'mismatch' between the drivers. For instance, if I substitute a JBL for the midrange while still having a Eminence bass and tweeter unit, will there be a 'disconnect' in the sound?
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