Tube soldered-in version of the M147 microphone
New tube with pins cut to length Neumann M147 microphone
Pin sockets added to the Neumann M147 board ready for the tube
Pin sockets added to Neumann M147 board ready for the new tube
New tube installed M147 mic ready for testing
Assembled M147 mic with the diaphragm cleaned and ready for final assembly
Neumann M147 upgrade complete and ready to go
Neumann M147 upgrade to user replaceable tubes by installing pin sockets on PCB.
Recap and service included with tested spare tube.
Modification and service value – $350.00
https://www.neumann.com/?lang=en&id=current_microphones&cid=m147_description
reel to reel tape recorders magnetic audio tape| custom audio modification
