OSD-9 Overdrive Soft Distortion

The OSD-9 Overdrive Soft Distortion by Maxon is a reissue of the company's first Overdrive pedal, the OD880, originally released in 1977. It offers a low-gain, natural overdrive similar to a tube amp and works effectively as an amp booster. The pedal can be stacked with other overdrive pedals for increased tonal options.

Key Features:
- Reissue of Maxon’s first Overdrive - OD880 - circa 1977
- Low gain, natural overdrive like a tube amp
- Works great as an amp booster
- Stackable with other OD’s for increased tonal options
- NOS UA741 Op Amps for authentic vintage tone
- Regulated 9 VDC power
- True Bypass Switching

Technical Specifications:
- Input Impedance: 500K Ohms
- Output Impedance: 10K Ohms or less
- Maximum Gain: 41.5dB (700Hz)
- Equivalent Input Noise: -107dB or less (IHF-A)
- Control: DRIVE, LEVEL
- Operating Voltage: 9V
- Power Consumption: 14mA/DC 9V, 14mA/DC 10V
- Dimensions: 74 (W) x 124 (D) x 54 (H) mm
- Weight: 580g (including battery)
- Battery: 9V battery (6LR61 or 6F22) x 1 or Maxon AC adaptor
- Battery life: Manganese dry battery 17 hours 25deg C / 77deg F (Panasonic 6F22NB), Alkaline dry battery 34 hours 25deg C / 77deg F (Panasonic 6LR61G)

The OSD-9 utilizes a passive distortion circuit based around the 741 Op Amp, providing warm and natural overdrive tones. It features mechanical true bypass switching and a voltage regulator for smooth, consistent performance. The pedal's signal path includes a 2SK246 jFET buffer, UA741CP Op Amps, diodes, and a NJM2374A Voltage converter to stabilize the operating voltage at 9 VDC.