Neumann KSM85

[pucho812]

has anyone ever see one of these things.

I had one on the bench recently. What a wonder of nature. Under the hood is a complete km84(body and all) and the KMS85 is just a shell that the km84 slides into along side some elongated wiring from the KM84 to the connector on the KMS85.
As The Beatles said Very Strange.
I don't read german so I don't know what this says from Neumann but sharing it as the mic was pretty cool.

 

[k brown]

Gotta be the ugliest mic they ever made! : - )

 

[rock soderstrom]

I don't read german so I don't know what this says from Neumann but sharing it as the mic was pretty cool.

The text basically says that this microphone is designed for vocal and instrument use. Especially the use in the close range or handheld was the design goal. The electronics and acoustics are designed accordingly to suppress sibilance and pop sounds and to compensate for the close proximity effect (with a highpass filter??). The capsule and electronics are elastically suspended to suppress handling noise. The mic is a top address cardoid. The microphone was put into service in 1972.

 

[Murdock]

I have one. Got mine really cheap as the bottom connector of the outer shell was missing. So I bought a connector for km8x mics from ebay and removed the outer shell so it looks like a normal km84 now.
Still don’t know if the capsule has a built in HPF as it looks like a normal kk84 capsule. But i startet a thread some Time ago and asked if there was a filter in the circuit but some knoweledgeable People Said there is none....
anyway, I like mine but had some problems with it. can‘t say how it compares to a km84 as i have none.

 

[pucho812]

The text basically says that this microphone is designed for vocal and instrument use. Especially the use in the close range or handheld was the design goal. The electronics and acoustics are designed accordingly to suppress sibilance and pop sounds and to compensate for the close proximity effect (with a highpass filter). The capsule and electronics are elastically suspended to suppress handling noise. The mic is a top address cardoid. The microphone was put into service in 1972.

wow cool. Thank you for translating. Yes that all matches up to what I have seen on the one that came in. I have my suspicions that this was Neumann's answer the to AKG451 which had one of the capsule designs inside what looks like an SM58 grill which you could screw on and have a akg 451 vocal mic.
But that is just a suspicion.

 

[rock soderstrom]

I have one. Got mine really cheap as the bottom connector of the outer shell was missing. So I bought a connector for km8x mics from ebay and removed the outer shell so it looks like a normal km84 now.
Still don’t know if the capsule has a built in HPF as it looks like a normal kk84 capsule. But i startet a thread some Time ago and asked if there was a filter in the circuit but some knoweledgeable People Said there is none....
anyway, I like mine but had some problems with it. can‘t say how it compares to a km84 as i have none.

The text says: "The frequency response drops slightly to the lows to compensate for the proximity effect."
In fact, however, it is not specifically stated that an (electronic) filter is used. (...so I added some ?? to my first post )

 

[Murdock]

Hmm yeah, I really would like to know how they implemented the HPF.
What I also find curious is the capacitor between capsule and gate. It is rather high with 2200pF. Most other mics I have Seen have something between 500pF and 1000pF. Does this capacitor also drops the level?

 

[rock soderstrom]

Here is the schematic.