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Mods for the C 1000 S

  • MarikMarik
    Mods for the popular C1000S are uncommon because the mic’s amplifier circuit uses surface-mount components. Nonetheless, Marik has designed a mod that involves redrilling the PBC in order to upgrade critical components. He also machines a new capsule mount. The resulting mic has much smoother high-frequency response, and clearer sound across the frequency spectrum.

CardioidHypercardioidAKG Acoustics C 1000 S

Detachable-Capsule Condenser Microphone

The C1000S is a cardioid condenser microphone that has been used for broadcast vocals, podcasting, and instrument miking.

At least three generations of the mic have been manufactured under the same name. The first two used an optional internal 9V battery for field recording applications where phantom power is not available. The second of these had a battery status LED built into the power switch.

The third version, released in 2012, uses two AA batteries instead of a single 9V. It also has a switchable high-pass filter (80Hz) and a switchable pad (-10dB); these switches appear to be inside the microphone, but the documentation is unclear.

The battery status LED, at least for the 9V version of the microphone, would light up to indicate that less than 45 minutes of power remain.

The pickup pattern can be switched from the mic’s native pattern, cardioid, to hypercardioid simply by attaching the included PPC 1000 Polar Pattern Converter to the top of the microphone capsule.

The mic’s native frequency-response curve can be modified via the PB1000 Presence Boost Adapter which effectively adds 3 to 5 dB of high-end enhancement between 5 and 9 kHz, improving clarity of speech and adding definition to instrument sounds. This part can be purchased via retailers for about $3.

AKG C1000S capsule and battery compartmentBoth the PPC1000 and PB1000 are little plastic widgets that can be installed (one or the other, but not both simultaneously) on the mic capsule. The installation requires no tools and takes only a few minutes. The mic capsule is easily exposed by unscrewing the top half of the microphone body; this also reveals the battery compartment.

The AKG Acoustics C 1000 S is also known as: C1000S, C1000, C 1000 S.

Specifications

Frequency Response - CardioidClick Graph to Compare!
C 1000 S Cardioid Frequency Response Chart
Frequency Response - HypercardioidClick Graph to Compare!
C 1000 S Hypercardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (6 mV/Pa; 50 to 20,000 Hz)
Hypercardioid (6 mV/Pa; 50 to 20,000 Hz)
  • Pad: -10dB (Via Switch)
  • Filter: +3dB, 5-9kHz PB1000 (Detachable)
  • Filter: HPF: -12dB/octave @ 80Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 14mm
Capsule diameter: 17mm
 200 Ohms (Low) Max SPL: 137 dB
Self-noise: 21.0 dB(A)
Weight Length Max Diameter Interface(s)
320g (11.29oz) 220mm (8.66'') 34mm (1.34'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Has battery compartment (9V)
  • Phantom voltage: 9 to 52v

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