Shure SM27, Manual

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4
SPECIFICATIONS 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 A32M
Padded, Zippered Carrying Bag A32ZB
Optional Accessories
ShureLock™ Rubber Isolated Shock Mount A27SM
Aluminum Carrying Case A32SC
Windscreen A32WS
Popper Stopper™ PS-6
Replacement Parts
Rubber Rings for Shock Mount (contains four) RPM642
Type Condenser (externally biased)
Frequency Response 20 to 20,000 Hz
Polar Pattern Cardioid
Output Impedance 150 Ω (140 Ω actual)
Sensitivity
(at 1 kHz, open circuit
voltage)
−37 dBV/Pa
1 Pascal=94 dB SPL
Maximum SPL
(1 kHz at 1% THD)
1000 Ω load: 133 dB (147 dB, Pad on)
2500 Ω load: 138 dB (152 dB, Pad on)
Signal-to-Noise Ratio
(referenced at 94 dB
SPL at 1 kHz)
84.5 dB
S/N ratio is difference between 94 dB SPL and equiva -
lent SPL of self noise, A-weighted
Dynamic Range
(at 1 kHz)
1000 Ω load: 123 dB
2500 Ω load: 128 dB
Common Mode
Rejection
(20 Hz to 20 kHz)
> 50 dB
Clipping Level
(20Hz-20 kHz at 1%
THD)
1000 Ω load: 1 dBV
2500 Ω load: 7 dBV
THD of microphone preamplifier when applied input
signal is equivalent to cartridge output at specified SPL
Self Noise
(typical, equivalent SPL,
A-weighted)
9.5 dB
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