Strymon OB-1 Compressor

OB.1 combines studio-quality, beautifully transparent analog optical compression with a clean boost whose EQ curves are designed to super-charge your favorite amp and reveal its true character. Featuring an all-analog signal path, premium components throughout, a high-impedance input and very low noise circuitry, the OB.1 is perfect for the first position in your signal chain — the missing piece you’ve been searching for. Your amp — reborn. This preowned pedal does not include the original box.

Compression: >20 dB gain-compensated optical compression
Clean Boost: Up to +10 dB full-range, mid, or treble boost
Input Impedance: 1 MΩ
Output Impedance: 100 Ω
Max Input Level: +8 dBu
Bypass Switching: True bypass (mechanical relay)
Power: 9V DC center-negative or 9V battery, <20 mA
Chassis: Anodized aluminum with top-mounted jacks