Boss DD-2  Digital Delay Pedal- Japan - March 1986 Blue Label( NO BOX) ( Pre Owned)

The BOSS DD-2 is the world's first compact digital delay pedal, featuring 12-bit A/D and D/A conversion, a delay time of 12.5ms to 800ms, and a 7kHz frequency response for a warm, natural sound. It offers controls for E.Level (Effect Level), F.Back (Feedback), and D.Time (Delay Time), plus a 4-way mode switch, and requires 55mA of current. It runs on a 9V battery or AC adapter and was manufactured in Japan from 1983 to 1986.  

• Delay Time: 12.5ms to 800ms
• A/D & D/A Conversion: 12-bit logarithmic compression
• Frequency Response: 40Hz to 7kHz (delay sound)
• Residual Noise Level: -95 dBm (IHF-A)
• Input Impedance: 1Mohm
• Recommended Load Impedance: 10k Ohms or more
• Power: 9V DC, Negative Center, 55mA current draw
• Bypass Switching: Buffered bypass
• Controls: E.Level, F.Back, D.Time, 4-way Mode Switch
• Connections: Input, Output, Direct Out, AC Adaptor
• Dimensions: 73 mm wide x 129 mm high x 180 mm deep (approximate)
• Weight: 450g (approx. 1 lb)
• Production Period: 

  The pedal was in production from 1983 to 1986, after which it was re-branded as the DD-3 with a purely cosmetic change. 
• Sound Quality: 

  It delivers a sweet, natural sound with a gentle high-frequency rolloff, a characteristic that gives it a warm tone compared to some later, more sterile digital delays. 

  
  
• Pioneering Technology: 

  The DD-2 was the first digital delay in a stompbox format, adapting the integrated circuit from the larger Roland SDE-3000 rack unit for compact use.