The Shure KSM137/SL STEREO is a stereo pair of end-address cardioid condenser{” if v[1]==’single’ else ‘s’} built around a 2.5-micron gold-layered diaphragm and Class A transformerless preamp, the studio instrument mic for acoustic guitar, overheads, strings and piano, with 14dB self-noise and a pad system that takes it to 170dB SPL for brass and drums. Supplied as two mics plus the A27M stereo bar for mounting both on one stand.
Features
2.5µm 24-karat gold-layered Mylar diaphragm
Class A discrete transformerless preamp
14dB SPL-A self-noise, 80dB signal-to-noise
3-position pad (0/-15/-25dB), up to 170dB max SPL
3-position low-frequency filter plus 17Hz subsonic filter
Case, windscreen and stand clip included
Specifications
| Type | End-address cardioid condenser |
| SKU | KSM137/SL STEREO |
| Quantity | 2 + A27M stereo bar |
| Polar pattern | Cardioid |
| Frequency response | 20Hz-20kHz |
| Sensitivity | -37 dBV/Pa (14.1mV) |
| Self noise | 14dB SPL-A |
| Max SPL (pad on) | Up to 170dB |
| Power | 11-52V phantom (48V nominal) |
| Weight | 100g per mic |





