Custom PCB and all necessary components included for a full replacement
Designed to fit MXL 990 chassis for seamless installation
Compatible with RK 47C and RK 67C capsules for expanded sonic options
Moderate harmonic content and low noise for cleaner audio
Step-by-step color instructions for easy DIY assembly
Summarized by Shop
The 990XF is an adaptation of an old Neumann microphone circuit, designed to fit the MXL 990. This kit replaces the entire circuit of the donor mic; the new circuit provides harmonic content, moderately high output, and low noise.
Pair it with our RK-47C or upcoming RK-67C capsules (see bundle options below) for a complete signal-path upg
Compatible Microphone
MXL 990 (chassis), not compatible with 990S or 770
This was my first time soldering. I brought the kit to a local electronics shop to get some pointers. Plus, he said if I needed, he could finish it / fix it for me. It took me like 4 hours to complete, but I was checking and double checking every step. I’m sure I could do it I 2 hours next time. It was fun and the mic sounds great. It has really made a difference on my cheap, clanging acoustic guitar and vocals. I am going to mod my 991 next. Can’t wait!
Joseph · December 6, 2023
The best mod I have purchased yet! The ultra low noise floor and detailed smooth sound makes me a believer! Can wait to try more mods!