Technical specs: 

• Type: Chorus
• Control: Speed, width, delay time, blend.
• Input Impedance: 500 K Ohms
• Input Jack: 1/4 inch standard jack
• Output Impedance: 10K Ohms or less
• Output Jack: 1/4 inch standard phone jack
• Outputs: 2 (Out, Inv. Out)
• Residual Noise: -92 dB or less (input shorted IHF-A weighted)
• Delay Time: 0.9 mSec to 6.4 mSec
• Speed Frequency: 0.4 Hz to 8 Hz
• Switch: Normal/Effect (true bypass configuration w/4PDT switch)
• Power Supply: 6F22 9V Manganese dry cell battery x1 or Maxon AC adaptor
• Power Consumption: 26 mA (9 V) or 26 mA (10 V)
• Dimensions (whole): 74 mm (W) x 124 mm (D) x 54 mm (H)
• Weight: 580 g (including battery)
• Options: Maxon AC Adaptor (AC210N) Tip Negative/Barrel Positive configuration
• Accessories: 9V Manganese dry cell battery x 1, Warranty Card: x 1, User's Manual: x 1