I don’t think Chord Blu I upsampling is superior to CH 1.2 upsampling. If you are going to use Blu1 with CH1.2, leave it with native rate.
I found a big improvement with my Chord DAVE with having the Chord M Scaler (initially as the one box solution then later upgrading my Chord Blu MK1 CD Transport by Chord Electronics to have an inbuilt M Scaler like the MK2) with connecting them together (DAVE & Blu) with the superb Wave High Fidelity STORM Digital Data BNC interconnects. These additions put a lot of 'meat on the bone' to the music I was hearing.
Wondering if purchasing and installing either the Sean Jacobs DC4-ARC6 or the Farad Super3 or Super10 external linear power supplies for my Chord DAVE would nicely complete my digital source set-up with further improvement to the sound i.e. even 'more meat on the bone' to the sound, bigger (deeper and wider) sound stage, even higher clarity etc. as written in a number of online reviews and WBF Members feedback who have installed one of these external linear power supplies to their Chord DAVE.
By the end of this year, I will be in a dilemma with my next upgrade for my UK HiFi System of whether to buy a Sean Jacobs DC4-ARC6 or the Farad Super3 or Super10 for my Chord DAVE or think about purchasing a CH 1.2 in 2025 (and selling my Chord DAVE to help fund a C1.2, but with using my Chord Blu CD Transport I will only be getting a maximum 352kHz sampling rate into and from the C1.2 with a single digital data BNC interconnect) or purchasing another CH P1 and X1 to have a full mono CH P1 Phono Stage in 2025 for my TT set-up (along with an upgrade replacement for my MSL Eminent Ex cartridge (i.e. a MSL Signature Gold or Platinum etc.) by end of this year as by end of 2024 my Ex will surely have 1,200+ ours of use on