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Mods for the SCM-900

  • Microphone PartsMicrophone Parts
    The Nady SCM microphones come with a K67-type capsule, which produces a bright, exaggerated high-frequency response that can quickly become tiring on many sources. The mics can be quickly revoiced by swapping the capsule for the RK-47, a Neumann K-47 copy that has a broader, flatter, and lower HF presence peak than the K67, and which naturally presents a more honest, less hyped, mids-forward sound.

CardioidNady SCM-900

Cardioid Condenser Microphone

The SCM-900 is an inexpensive large-diaphragm FET condenser microphone. The name has been used to describe at least two completely different microphones.

SCM-900 original PCBThe early SCM-900 was a transformer-coupled design with a 3-micron Mylar diaphragm. These microphones were essentially identical to the JoeMeek JM47, itself a copy of the MXL 2001 (plus a switchable high-pass filter). For the sake of completeness, we are compelled to point out that the MXL 2001 is reportedly a copy of the original ADK A-51 (Type II).

[ Transformer-coupled SCM 900 PCB photo credit: Dan Dilmarter]

SCM-900 PCBIn 2002, the mic changed. The new mic, still in production as of summer 2013, uses a version of the standard Chinese transformerless circuit design, derived from the Schoeps original, with a pushbutton switch on the PCB to enable a high-pass filter. (See forum link in sidebar for more information on the date of the change.)

The capsule in the transformerless microphone is a standard 32mm K67, with only one diaphragm metallized. The diaphragm diameter is 25mm.

The mic ships in a vinyl pouch. Optional accessories include an aluminum flight case (p/n SMCC-2), a shockmount (p/n SSM-3), and a foam windscreen (p/n FM-2).

The Nady SCM-900 is also known as: SCM900.

Specifications

Pickup Patterns Pads & Filters
Cardioid (12 mV/Pa; 30 - 16,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
 200 Ohms (Low) Max SPL: 125 dB
Weight Length Max Diameter Interface(s)
390g (13.76oz) 190mm (7.48'') 51mm (2.01'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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