Shure SM27-LC Manual página 4

SPECIFICATIONS
Type Condenser (externally biased)
Frequency Response 20 to 20,000 Hz
Polar Pattern Cardioid
Output Impedance 150 Ω (140 Ω actual)
Sensitivity −37 dBV/Pa
(at 1 kHz, open circuit
1 Pascal=94 dB SPL
voltage)
Maximum SPL 1000 Ω load: 133 dB (147 dB, Pad on)
(1 kHz at 1% THD) 2500 Ω load: 138 dB (152 dB, Pad on)
Signal-to-Noise Ratio
84.5 dB
(referenced at 94 dB
S/N ratio is difference between 94 dB SPL and equiva-
SPL at 1 kHz)
lent SPL of self noise, A-weighted
Dynamic Range
1000 Ω load: 123 dB
(at 1 kHz) 2500 Ω load: 128 dB
Common Mode > 50 dB
Rejection
(20 Hz to 20 kHz)
Clipping Level 1000 Ω load: 1 dBV
(20Hz-20 kHz at 1% 2500 Ω load: 7 dBV
THD)
THD of microphone preamplifier when applied input
signal is equivalent to cartridge output at specified SPL
Self Noise 9.5 dB
(typical, equivalent SPL,
A-weighted)
Polarity Positive pressure on diaphragm produces positive volt-
age on pin 2 with respect to pin 3
Weight Net: 642 g (22.6 oz.)
Switch Attenuator: -15 dB
Low Frequency Response: flat;-6 dB/octave below
115 Hz;-18 dB/octave below 80 Hz
Connector
Three-pin professional audio (XLR), male
Power Requirements
48 Vdc phantom, 5.4 mA
4
CERTIFICATION
Eligible to bear CE Marking. Conforms to European EMC Directive 2004/108/EC.
Meets Harmonized Standards EN55103-1:1996 and EN55103-2:1996, for residen-
tial (E1) and light industrial (E2) environments.
The Declaration of Conformity can be obtained from:
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Wannenacker Str. 28
D-74078 Heilbronn, Germany
Phone: +49 7131 72 14 0
Fax: +49 7131 72 14 14
Email: EMEAsupport@shure.de
ACCESSORIES AND PARTS
Furnished Accessories
ShureLock™ Black Swivel Adapter
Padded, Zippered Carrying Bag
Optional Accessories
ShureLock™ Rubber Isolated Shock Mount
Aluminum Carrying Case
Windscreen
Popper Stopper™
Replacement Parts
Rubber Rings for Shock Mount (contains four)
A32M
A32ZB
A27SM
A32SC
A32WS
PS-6
RPM642