Supratek Owners Thread

Greetings All - 
It appears that the 26-million-plus view, multi-decade "Preamp Deal of the Century" Supratek thread has been removed. I'm not sure why, but suppose there must be a reasonable explanation.
In any case, on that thread I recently asked whether there might be interest in a "Supratek owners thread" and received some interest. 
The purpose of this thread is for Supratek owners to share the details of their system, ask questions, share information about any tube-rolling they have done, and so forth.
I'll kick us off here with a few details about my system -
ancient Linn LP12 with Ittok arm, Dynavector 17D3 cartridge into Cortese LCR phono stage
Power amp is a fully serviced Innersound Electrostatic amplifier
Quad ESL63 speakers (not USA monitors) or JBL 4430 studio monitors
Digital sources are immature and evolving - ancient Fostex CR300 cd player/burner
DacMagic 100 DAC
Nordost Blue Heaven 75ohm interconnect
Due to the fairly long lengths of speaker wire required in the new listening room, speaker wire is Belden 12 gauge wire designed for low-voltage outdoor lighting systems. 
Next steps - dedicated circuit, new power cords, new interconnects, new wires.

I changed my stock rectifier tubes to JJ rectifier tubes in my Supra pre. The new rectifier tubes have about 30 hours on them. Bass seems to be lower than I am used to with the stock rectifier tubes Mick provided. 

Do rectifier tubes also need burn in? 

I'd say you're hearing the JJs as they are. Rectifiers are critical in the sound chain. 

Bendix 6106 appears to be recommended. 

@sim_audio_nerd take a look at my post above dated 12-01 on my experience with various nos and old stock rectifiers.  They do make a definite difference. Many of the ones listed are low priced.  I tried some pricey ones such as Mullard and the highly touted Philips 5R4GYS.  Like the Mullard it just didn’t sound any better than the US military brands on my system.  US ones to me had a fuller, meatier and warmer sound with nice highs just slightly less clear and bright.  Ended up selling the Mullard and Philips.  They just didn’t sound as good on my system to me but all sounded good.  Splitting hairs here…