SCHOEPS BL CCM 3
PRICE ON ENQUIRY
SCHOEPS BL CCM 3 boundary-layer compact microphone, hemispherical, built flush into tables and lecterns, nearly invisible. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Acoustics
| Pickup pattern | Hemispherical (boundary layer) |
| Frequency range | See corresponding capsule (MK 2XS) |
| Sensitivity | See corresponding capsule (MK 2XS) |
Electrical
| Maximum sound pressure level (THD < 0.5 %) | 138 dB-SPL (P48); 130 dB-SPL (P12) |
| Maximum output voltage | 2.6 V (8.3 dBV) with 2 kΩ load |
| Low cut filter | 20 Hz, 12 dB/oct. |
| Output impedance | 90 Ω at 1 kHz |
| Maximum cable length | More than 400 m |
| Powering standard / valid range | P48 / more than 40 V; P12 / more than 10 V |
| Current consumption | 4 mA (P48); 3.6 mA (P12) |
| Common mode rejection ratio (at 1 kHz) | More than 55 dB |
| Minimum recommended load impedance | 2 kΩ |
| Output | Lemo (CCM L) or XLR-3M (CCM K), analog, 1 channel |
Physical
| Length | 46 mm (CCM L) |
| Diameter | 20 mm |
| Weight | 33 g (CCM L) |
| Surface finish | Matte grey; other custom colours on request |
System
| Series | CCM compact microphones |
| Based on | CCM 2XS L compact microphone with mounting flange |
| Flange diameter | 28.6 mm (dimensional drawing) |
| Mounting hole circle | 24 mm (dimensional drawing) |
| Options | Order No. 121501 |
| Included accessories | K 5 LU standard cable for CCM |
| Product history | 1994 launch with hybrid technology circuit; 2016 improved RF filter against interference; 2017 polarisation voltage generator above 200 kHz |
Product overview
The SCHOEPS BL CCM 3 is a boundary-layer compact microphone with a hemispherical pickup pattern, made for building into the surface of a table or lectern.
This special version of the CCM 2XS L compact microphone has a flange that lets it be built into the surface of a table or speaker's rostrum. This makes the microphone nearly invisible and at the same time improves the sound quality by eliminating comb filter effects.
Like all CCM microphones it combines capsule and amplifier in one 20 mm body, runs on P48 or P12 phantom power and drives cables of more than 400 m. Its Lemo connection is made with the included K 5 LU cable.
| Pickup pattern, boundary layer | Hemispherical |
| Maximum SPL (P48) | 138 dB-SPL |
| Phantom powering | P48 / P12 |
| Weight, 20 mm diameter | 33 g |
Key features
- Hemispherical pickup as a boundary-layer microphone
- Built into the surface of a table or lectern with its flange
- Unobtrusive, nearly invisible installation
- Eliminates comb filter effects
- Special version of the CCM 2XS L
- P48 or P12 phantom powering
Practice
The BL CCM 3 is often used as a redundancy microphone in speakers' tables. Built flush into the surface, it stays out of sight while picking up the talker.
Made for
- Conference and council tables
- Lecterns and speakers' rostrums
- Redundancy microphones in speakers' tables
- Discreet fixed installations
In the box
- BL CCM 3 boundary-layer microphone
- K 5 LU standard cable for CCM
- A microphone input with P48 or P12 phantom power is needed
SCHOEPS BL CCM 3: frequently asked questions
How is the BL CCM 3 installed?
It is built into the surface of a table or speaker's rostrum using its flange, so that only the flange and sound inlet remain visible.
Why mount a microphone in the surface?
Built into the boundary, the microphone is nearly invisible and comb filter effects are eliminated, which improves the sound quality.
Which microphone is the BL CCM 3 based on?
It is a special version of the CCM 2XS L compact microphone, equipped with a mounting flange.
How is the BL CCM 3 powered?
It runs on P48 phantom power (4 mA) or P12 (3.6 mA). Its output drives cables of more than 400 m, and a 20 Hz low cut filter (12 dB/oct.) is built in.
Where can I buy the SCHOEPS BL CCM 3 in India?
The SCHOEPS BL CCM 3 is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Built into a conference table
Installers fitting discreet microphones in meeting and council rooms.
Connections
| Connect | To |
|---|---|
| BL CCM 3 | Flush in the table surface |
| K 5 LU cable | Mixer or conference system input with P48 |
Setup
- Prepare the opening and mounting holes as in the dimensional drawing.
- Fit the BL CCM 3 with its flange flush in the surface.
- Connect the K 5 LU cable and switch on P48.
Tip: Built into the surface, the microphone is nearly invisible and free of comb filter effects.
Workflow 2: Redundancy microphone in a speaker's table
Engineers who need a backup for speech at a lectern or rostrum.
Connections
| Connect | To |
|---|---|
| BL CCM 3 | Built into the lectern or table |
| Cable | Separate mixer channel with P48 or P12 |
Setup
- Install the BL CCM 3 in the surface in front of the speaker.
- Route it to its own mixer channel.
- Keep it ready as a backup to the main microphone.
Tip: The BL CCM 3 is often used as a redundancy microphone in speakers' tables.
