MKH20 Specifications
MKH 20
MKH 20 RF Condenser Microphone
The MKH 20 is usually used as a main microphone for orchestras and solo instruments, and
picks up the natural acoustics of the room, though it does have a much wider range of
applications as omni-directional microphones do not suffer from ‘proximity effect.
• Exceptionally flat frequency response, switchable for near and diffuse field applications
• High-frequency response can be accentuated by means of a pressure build-up ring
• Slightly increasing directivity at high frequencies to adjust tonal balance
• Exceptionally low inherent self-noise
• Transformerless and fully floating balanced output—provides transparent sound
• Switchable pre-attenuation for recording high sound pressure levels
• Black, anodised light metal body
Technical Data
Pick-up pattern
Frequency response
12–20,000 Hz
Sensitivity (free field, no load) (1 kHz)
25 (8) mV/Pa ± 1 dB
Nominal impedance
150 Ω
Min. terminating impedance
1000 Ω
Equivalent noise level
A-weighted (DIN IEC 651)
CCIR-weighted (CCIR 468-3)
10 (18) dB
20 (28) dB
Max. sound pressure level
134 (142) dB at 1 kHz
Power supply
phantom 48 ± 4 V
Supply current
2 mA
.98 x 6.02 inches
Weight approx.
3.5 oz
MKH 20
Supplied Accessories
Shock mount
MZS 40
Stand adapter
MZQ 40
Optional Accessories
Phantom battery power supply unit
MZA 14 P 48 U
Foam windshield
MZW 41
Shock mount
MZS 20-1
Basket windshield
MZW 20-1
Long hair windcoat
MZH 20-1
AC powered phantom supply for 2 mics
N 48I-2
Architect’s Specifications
Omni-directional studio microphone with switchable diffuse-field correction, switchable
pre-attenuation and pressure build-up ring, frequency response 12 Hz–20,000 Hz, sensitivity
(free field, no load) 25 (8) mV/Pa ± 1 dB at 1 kHz, nominal impedance 150 Ω, min. terminating
impedance 1000 Ω, equivalent noise level A-weighted 10 (18) dB, CCIR-weighted 20 (28) dB,
max. SPL 134 (142) dB at 1 kHz, phantom powering 48 ± 4 V, supply current 2 mA, dimensions
in inches .98 x 6.02, weight approx. 3.5 oz. Values in parentheses with attenuator switched on
(–10 dB).
Sennheiser Electronic Corporation, 1 Enterprise Drive, Old Lyme, CT 06371
Telephone: 860-434-9190 • Fax: 860-434-1759 • Web:
Sennheiser Mexico: Av. Xola 613, PH6, Col. Del Valle 03100, Mexico, DF. Telephone: (525) 639-0956. Fax: (525) 639-9482
Sennheiser Canada: 221 Labrosse Ave, Pte-Claire, PQ H9R 1A3. Telephone: 514-426-3013. Fax: 514-426-3953
Manufacturing Plant: Am Labor 1, 30900 Wedemark, Germany
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