Ampeg and Guild are based in fifties jazz. So was Gibson. Fender was C&W. Those were the markets those designs were based on. A Vox AC30 top boost or a Jazz Chorus might not be your first choice to pair with a Franz. Anything with an extended high frequency response might be too bright. If you are playing clubs in 1955, you can either get louder, which wasn't easily affordable, or you get brighter, which cuts through a little better.
So, when Gibson started pairing PAFs with the amps they were already making, there were a lot of attempts to reduce "wolf tones". We like wolf tones nowadays, so the fifties amps sound better to a lot of people than the later sixties amps with the tone network.
I believe that I agree with most of what you stated in your last post, except for the bit about wolf tones. I am not saying they are not out there, but I do not know of anyone who welcomes wolf tones.
I personally wouldn’t want to be gigging with amp from the ’50s (or, a new ‘50s spec amp). I think I would find it to be too much of a hassle. It would force me to travel with a fragile backup amp and spare parts. And, it would be difficult to find a suitable backline when flying in for gigs.
Until recently, I was pretty much a tube snob. But, since I purchased two Quilter amps, I haven’t felt the need to travel around with heavy and fragile vintage equipment anymore.
I have never played a Franz through a Jazz Chorus or a Vox AC30. I have played them through a ‘50s Fender Champ, a ’60s Fender Princeton, a ‘60s Fender Deluxe, a ’70s Fender Super Reverb, a late ‘50s Magnatone 210, a Henriksen Bud 12, a ZT Lunchbox Junior, and a Quilter Micropro Mach 2. The only two amps that I’ve played a Franz through that were made in the ‘50s were the Magnatone and the Champ.
If one really wanted to hear the best out of a Franz pickup, what amp should one play through?