Description

Late 70s Boss DM-1 Delay Machine, $1249!

A rare early analog delay unit, the Boss DM-1 was part of Boss’s original rack-style “Effectors” series, offering warm, tape-like repeats using bucket-brigade technology.

Type
Analog Delay Unit

Model
DM-1 Delay Machine

Manufacturer
Boss

Country of Manufacture
Japan

Year of Introduction
1978

Controls
Repeat Rate, Echo, Intensity
Mic Level, Instrument Level
Echo Output Selector (Normal/Invert)

Input
1× 1/4″ instrument input
1× 1/4″ mic input (with level control)

Output
1× 1/4″ echo out
1× 1/4″ direct out
1× 1/4″ footswitch jack (for effect on/off)

Power Supply
Built-in AC power cord (100V–120V depending on market)

Notable Features

  • BBD Delay: Bucket-brigade circuitry delivers rich, analog echo up to ~300 ms

  • Inverted Echo Output: Offers phase-inverted output for unique stereo or spatial effects

  • Dual Input: Separate level controls for instrument and microphone sources

  • Form Factor: Rack-style unit with top-mounted controls, part of Boss’s original Effector series

  • Use Case: Ideal for studio or live settings requiring warm analog delay with tactile real-time control