Valenter seems to have effectively eliminated the mixer, pre-amps, XLR connectors and cables from the signal chain. That leaves the mic.

Amazon states the NT1 has a 10 year warranty. I would use the warranty.
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BiaB Ultra Pak 2018:BIAB Build 504, RB 2018 Build 2; Windows 7 64 bit AMD Athlon IIX2 215 Dual-core processor; 500GB hard drive; 4GB DDR3 Memory.