I know you are looking for something different than this, but I had to throw it out there just because. I have a 1992 Carver CT-17 preamp tuner with a sonic holography circuit. Bob Carver apparently invented an effect that he thought sounds better. It has an actual front-panel button labelled "Hologram." FWIW.
Suggestions for a holographic preamp?
I'm looking to replacing my Herron Audio tube line stage with something else, not because of a problem with the sound, but for a few other reasons.
I do both digital and analog, and have a Herron Audio tube phono preamp. My power amp is an MSB S-200, which is awesome, and my speakers are Marten Parker Duos, which are wonderful for a deep, holographic soundstage that I like so much.
I listen mostly to rock and reggae, and I'm looking to keep the price under $10K US, and I'm fine with a used one as well.
I get the feeling that I will need a tube preamp to get that holographic sound, but perhaps there are some SS ones that do as good a job?
The fellow I work with at The Music Room suggested a ModWright LS-100 or a used PS Audio BHK preamp; I've researched and they both look like they'd fit the bill, but I'd like to hear your suggestions, too!