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drdna wrote:

So what are the effects of good electricity of the PP2000? It may be a good idea to look at the frequency response and harmonic distortion of the system to see if filters in the Macondo speaker system may need to be adjusted now for example. At any rate I would first examine the results of the PP2000 more closely before making any more asymmetric changes to the speakers or DSET amplifiers.

There are no low-path filters in Milq-Macondo’s upper frequency drivers. The MF driver runs high-passed, wide open atop. I even thought to put temporarily an extra resonator at + 2daB 10K to see help, the old metal-suspension of S2 drivers dose the same. What I feel is that I would be OK of I get 1.5 more transformer ratio and 1dB more gain with the new ratio. This would male me to have 3-4dB more from the MF tube, but I have no more gain in there. This leads to two-stage solution (if I am willing to stay with triodes). However, if I end up with two-stages in MF then why do not trey the DTH in the second stage?

I would agree that there is a rational to examine the results of the PP2000 more closely before making any more asymmetric changes to the speakers or DSET amplifiers but I do not make any changes to the speakers or DSET amplifiers. The speakers are the same and the only changes I make is to the separate SET amps where I might model the changes. I am not going to open the Milq and to make any change until I have a confidence that the things are all settled from all perspectives. At this point I will have two amps for my MF channel – the default Milq and the experimental with San-Audio DHT.

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