Modwright LS-100, Rogue RP-7, Aesthetix Calypso

Also got my attention, never saw or heard one.

https://reverb.com/item/94882992-margules-sf220-tube-preamp-20th-anniversary-black-edition

AI Quickie

The Margules SF220 is a stereo vacuum tube preamplifier celebrated for its rich harmonic structure, fast transient response, and low output impedance designed to drive both solid-state and tube amplifiers optimally.  Reviews, including those of the 20th Anniversary (SF220.15) and Black Edition models, describe its sound as warm yet detailed, with a "yin" character that avoids being overly bright or rolled off while maintaining lifelike scale and stunning vocal presence. 

Key technical features highlighted in reviews include a shunt power supply for improved Q damping and smoother dynamics, zero negative feedback circuitry achieved by strapping the input and output stages, and a separate internal power chamber to minimize noise induction.  The preamplifier utilizes five 12AU7 dual triodes with a DC filament supply featuring active damping to reduce hum, and its frequency response spans 5-400 kHz with Total Harmonic Distortion (THD) below 0.014%. 

Pricing and availability have varied over the years, with the 20th Anniversary model (circa 2015) listed around $3,500–$4,599, while the Black Edition (circa 2019-2021) was offered at approximately $3,700 and later seen on the used market for $2,295. The 30th Anniversary Special Edition was priced at $8,000 and contributed to Margules Audio winning the "Best of Show" award at AXPONA 2025, praised for its tangibility and rhythmic poise in high-end systems. 

another Luxman, I like Mode Switches, like McIntosh gives you

https://reverb.com/item/94879295-luxman-luxkit-a3300-tube-preamp

A Conrad Johnson, never saw or heard this model

https://www.canuckaudiomart.com/details/650301396-conrad-johnson-tube-preamp-ct6/

Look at Galion's two tube preamps. My bet one of them will fit your requirments prefectly. 

Thank you all for the comments. I have requirements I did not disclose all of which influenced my shortlist. 1st is HT Bypass, 2nd is Balance adjustment on the remote, 3rd is XLR i/o (SWL 9.0AE is the only exception), 4th is ease of purchasing and selling in the used market, 5th is not overly tube-like or overly solid state, 6th is price. I had Cary SLP-98L on my radar but it misses too many criteria.

A few months ago I bought three preamps as part of a preamp shootout to help determine what type of preamp I wanted. I was moving from a very good integrated amp back into full separates again after many years. The Rogue RP-1 (hybrid design), a Parasound P5 (solid state), and a PrimaLuna Prologue Premium (tube). I know this is obviously an imperfect method, but I had to do what I could as I have no high-end stores around me to borrow gear from. The Parasound was much too cold and clinical, the PrimaLuna was too laid back, and the Rogue was the best balance out of the three to my ears. Having lived with the RP-1 for a few months and done a fair amount of tube rolling, I am now looking to upgrade hence this thread.

The preamps I shortlisted I believe, based on my research, fit more into a modern tube preamp design category that incorporate the benefits of tubes while avoiding some of the tradeoffs or being overly "tube-like".

I will be making my decision which preamp to get next based in some part on the comments in this thread so i appreciate any and all feedback. Also via interweb magic, whatever info is fleshed out here will help someone else in the future as I am definitely not the only gearhead seeking answers to the preamp question.