Thank you to those members who responded so far
To Erik Squires The PV14LS SE is the upgraded model which I purchased. The upgrades by the previous owner cost, at the time, about $500-$600.
BTW, I just purchased a used P.S.Audio Stellar S300 amp to use with the C.J. pre-amp. It has great dynamics and slam, but so far I am disappointed with imaging and soundstage. I don't know how many hours is on the amp. It was purchased from Music Direct via an Audiogon sale ad
I previously posted two threads on AG asking about Schiit Vidar amp, but received no replies. The second thread asked about the Nuprime ST-10 and the Channel Island C100 amp and also the CS200C ( which I would have preferred)), but received no feedback Choices were based on size and performance. I'll have to wait to see if I warm to the Stellar 300S
Thanks,
S.J.