Currently not in stock: Please contact our sales team for product availability and lead times. Thanks to our strong supplier relationships our lead times are some of the quickest in the industry, giving us full confidence that we can still fulfil your requirements on back-order quicker than any competitor.
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If you place your order and we've not got a product in stock, a member of the sales team will contact you with our supplier lead times or to find an alternative.
Please call the sales team on 01525 850085 or email sales@leisuretec.co.uk if you have any questions.
Wireless Microphone Systems
We do our best to keep healthy stocks across the many Wireless Microphone System SKUs but in the rare case where we don't have your required system in stock, please contact our sales team as we can often make your product to order by borrowing the system components (transmitters, receivers or mics) from other stocked systems.
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Main Features
Electret Condenser Cardioid Microphone
Ultra-thin diaphragm for smooth high end and tight, controlled low end
Transformerless Class-A preamplifier
15dB pad for performance consistency across a wider range of high SPL sources
Low self-noise and transformerless preamplifier circuitry
The Shure® SM137 is a versatile, flat-response cardioid probe microphone with an ultra-thin diaphragm. Its frequency response combines smooth high-end and tight, controlled low-end. A 15 dB pad provides natural, consistent sound reproduction in both acoustic and high-volume performance applications.
Product Features
Electret Condenser Cardioid Microphone
Ultra-thin diaphragm for smooth high end and tight, controlled low end
Transformerless Class-A preamplifier
15dB pad for performance consistency across a wider range of high SPL sources
Low self-noise and transformerless preamplifier circuitry
Frequency Response: 20 to 20,000 Hz
Product Specifications
Type: Electret Condenser
Frequency Response: 20 to 20,000 Hz
Polar Pattern: Cardioid
Output Impedance: 150 Ω (actual)
Sensitivity (at 1 kHz, open circuit voltage): -41 dBV/Pa
Maximum SPL (1 kHz at 1% THD):
1000 Ω load 139 dB (154 dB, PAD ON)
2500 Ω load 144 dB (159 dB, PAD ON)
Signal-To-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 75 dB
Dynamic Range (at 1 kHz):
1000 Ω load 120 dB
2500 Ω load 125 dB
Common Mode Rejection (10 Hz to 100 kHz): >50 dB
Clipping Level (20 Hz to 20 kHz, at 1% THD):
1000 Ω load 3 dBV
2500 Ω load 9 dBV
Self Noise (typical, equivalent SPL, A-weighted): 19 dB
Attenuator Switch: -15 dB
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Net Weight: 195 g (6.9oz.)
Connector: Three-pin professional audio (XLR), male
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