Schoeps BLM 03 Cg Miniature Boundary-Layer Capsule  From Schoeps

Component Microphone Capsule

Schoeps Microphones


Retail:  $1,583.00

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Manufacturer's Description from Schoeps

Miniature version of the BLM 3g, with active cable. Unobtrusive and universally applicable, the BLM 03 Cg is recommended in those cases where the BLM 3g is too large (e.g., for TV or movie screen) or too heavy (e.g., when mounted in the interior of a car under the roof, or under a piano lid).

The BLM 03 Cg offers all the recognised advantages of the BLM 3g, while its smaller size permits more unobtrusive microphone placement. Its shallow profile and circular shape can often be disguised or hidden, as under a light tablecloth

An active cable hard-wired to the BLM 03 Cg allows it to be joined to any microphone amplifier of the Colette Series to become a complete microphone.

The active filter CUT may also be added.

It should be noted, however, that any boundary-layer microphone must be placed on a sufficiently large sound-reflecting surface for adequate low-frequency reproduction. For speech applications as, for example, when a conference is to be recorded, the table-top may be sufficient; but most music pickups will require a larger surface.



  • Pressure transducer with hemispherical pattern
  • Active miniature version of the BLM 3g
  • Unobtrusive, universally applicable
  • Preferred applications: on speaker's podiums, altars, ambient sound recording or for recording orchestras
  • Diameter: only 80 mm
Schoeps Microphones

About Manufacturer

The focus on high quality, reliability and neutral accurate sound has been the production philosophy of Schoeps Microphones since 1948. The simple elegance and clever engineering of their products boast a true passion for the art of microphone making and a tireless attention to detail. The Colette System is the largest modular mic system available offering twenty different capsules and various active accessories. The newest addition to the acclaimed Colette System is the CMC 6 xt which offers extended frequency response beyond 40 kHz. The CCM Series mics are the smallest phantom powered non-electret microphones in the world. Other notables from Schoeps include the M222 Tube microphone, the VMS 5U portable two channel mic preamp and M/S matrix, three extremely unique stereo mics, the KFM-360 Surround microphone and the Polarflex Microphone System that allows the user to emulate the characteristics of any microphone. Schoeps is unquestionably among the most innovative microphone manufacturers in the world, leading the way in many developments. Central to its design philosophy over the years is the company's insistence on absolute sound neutrality of the microphones. It is really no wonder that Schoeps has so many supporters, not only in the area of classical music recording and reinforcement, but also in film and television. No doubt part of its success is due to the fact that, in a space of only 1500 square meters, a total of 35 employees develop, manufacture and distribute the whole range of Schoeps products. Staff turnover is very small, which says much about the family atmosphere in the company. Many an employee has celebrated his or her 25th anniversary with Schoeps. Continuity is and will remain very important at Schoeps. Despite many outside offers, Ulrich Schoeps intends to continue the life's work of his father.


  • Frequency range: 20 Hz - 20 kHz 
  • Sensitivity: 19 mV/Pa Equivalent
  • Noise level: A-weighted: 12 dB-A CCIR: 23 dB
  • Signal-to-noise ratio (A-weighted): 82 dB-A
  • Maximum SPL (0.5% THD): 128 dB