The industry-standard compact delay pedal. The DD-7 expands on classic Boss delay algorithms, offering up to 6.4 seconds of delay time, Modulation Delay mode for lush chorus-like textures, classic analog Warm Delay mode modeling the legendary DM-2, and a Hold mode providing 40 seconds of sound-on-sound looping. Full stereo inputs and outputs allow wide spatial imaging in any signal chain.

Identification & Overview

• Model: Boss DD-7 Digital Delay
• Type: Compact Digital Delay Effects Pedal
• Series: Boss Compact Pedal Series
• Country of Origin: Engineered in Japan (Manufactured in Taiwan / Malaysia)

Production & Manufacturing

• Year Introduced: 2008
• Status: Discontinued (succeeded by the DD-8)

Specifications & Performance

• Maximum Delay Time: Up to 6,400 ms (6.4 seconds)
• Nominal Input Level: -20 dBu
• Input Impedance: 1 MΩ
• Nominal Output Level: -20 dBu
• Output Impedance: 1 kΩ
• Recommended Load Impedance: 10 kΩ or greater
• Bypass: Buffered Bypass
  
  

Delay Modes (8-Way Mode Switch)

• 1–5 (Delay Time Ranges):
• 1: 1 ms – 50 ms
• 2: 50 ms – 200 ms
• 3: 200 ms – 800 ms
• 4: 800 ms – 3,200 ms
• 5: 3,200 ms – 6,400 ms
  
• Hold: Up to 40 seconds of recording time for phrase looping / sound-on-sound
• Modulation: Chorus-flavored delay repeats
• Analog: Modeled simulation of bucket-brigade analog delay circuits (DM-2 style warmth)
  Reverse: Backward delay playback
• Slap / Pan / Etc.: Specialized stereo routing modes

Controls & Interface

• Knobs:
• Mode Selector Switch (8 positions)
• D.Time (Delay Time)
• F.Back (Feedback)
• E.Level (Effect Level)
• Footswitch: Buffered bypass switch with integrated Tap Tempo functionality (hold for 2 seconds)

Inputs, Outputs & External Control

Inputs:

• Input A (Mono)
• Input B (Stereo / Dry input separation)

Outputs:

Output A (Mono)

Output B (Stereo spatial panning / wet-dry split)

External Control Jack: TRS 1/4" Tempo/Exp jack for external Tap Tempo footswitch (FS-5U / FS-7) or Expression Pedal (EV-5 / FV-500H)

Physical Specifications & Power

• Power Supply: 9V DC Battery (Alkaline) or Optional AC Adapter (PSA Series)
• Current Draw: 55 mA
• Dimensions: 73 mm x 129 mm x 59 mm (2-7/8" x 5-1/8" x 2-3/8")
• Weight: 440 g (1 lb, including battery)

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