Hansén Audio Gothenburg

condenser microphones
Neumann M149 Tube Output level modification Add on a gain switch in 5 step, 0dB= approx. U67 level and then +6, +12 or -6, -12 dB
.	.
Neumann U87i "Recapped" all tantal and electrolytic capacitor replaced. Adjusted FET bias Capsule cleaned
Neumann M269 Recapped Capsule cleaned
Neumann U47 fet Recapped Adjusted FET bias
Neumann KM54 Take care of some bad connections New plate/transformer coupling capacitor
Neumann KM56 Take care of some bad connections New plate/transformer coupling capacitor
Schoeps CMT56 Recapped Adjusted FET bias
AKG C414-EB Recapped Take care of "motorboating" problem in hyper cardioid pattern mode. Cleaned cabsule
Neumann U87 capsule head repair New pad and lo cut "pins"
.	.
Neumann N52a power supply Replacement of "stabbelyt" in heater section to new IC-regulator
.	.

dynamic microphones
.	.
AKG D12 Unfortunately very hard to find new spare membrane to day.
Beyer M260
Sennheiser MD21 and MD421 Total repair and restoration. Also modification from the "HN" version to normal 200 ohms balanced connecting.
Sennheiser MD421 My speciality, converting the old Tuchel connector to a XLR connector. Also remove the old "magnetic" bass cut filter, because it influence the sound quality even in the "M music mode"
Shure 545S and 545SD
.	.
Lot of old Shure capsules
.	.