Neumann KM-54 Vintage Tube mics / Pair

Neumann KM-54 Vintage Tube mics / Pair

This is a pair of the hugely regarded KM-54 tube condenser small diaphram microphones, in excellent condition, and little use

 

Reports on the mics:

 

From Gunter Wagner

 

Neumann KM54 #4960 (Serviced July 2008):

- mic checked, internally cleaned,
- noisy tube replaced to original NOS Telefunken AC701
- capsule interconnection corrosion removed
- KK54 nickel capsule tested, ok
- mic tested (performs fully to original specs):
Noise: -99dB(A)(loaded), -101db(A)(unloaded), Dist: 0.47% (@0dBu), Internal gain: +2.0dB
Frequ.Resp (amplifier): ±0.5dB

Neumann KM54 #4511 (Serviced January 2009):

- mic checked, internally cleaned

- KK54 nickel capsule serviced- noisy tube replaced to original NOS Telefunken AC701
- transformer re-terminated- acrylic base replaced (original parts)
- missing screws replaced (original parts)
- mic tested (mic performs fully
to original specs):
Noise: -98dB(A)(loaded), -101dB(A)(unloaded), Dist: 0.42% (@ 0dB), Internal gain: +1.94dB
Frequ.Resp (amplifier): ±0.5dB

 

From Neumann:

 

We are pleased to inform you that your microphone KM54a with serial number 4511 is manufactured in 1963 and with S/N 4960 in 1964.

 

A rare chance to invest in a very hard to obtain microphone.

    $12,000.00Price