Yamaha D1500

Digital delay

Yamaha D1500 digital delay midi 1980s
Buy one (7 on sale)

1984 (July)
Initially sold for ¥140,000

The Yamaha D1500 is a digital delay system with a time range of 0 to 1023 milliseconds in 1 millisecond increments, with full 20Hz to 18kHz frequency response throughout the delay range. It was the first commercially available digital delay with a MIDI interface and follows the success of the R1000 digital reverb.

Any of the D1500's 16 programmable memory banks can be selected remotely from a MIDI instrument. This allows specific delay effects to be assigned to particular instrument voices. The appropriate delays are then recalled automatically as each voice is selected.

For non-MIDI equipment, programmed delays can be recalled simply by selecting the appropriate bank – either manually or by footswitch.


  • 16 fully programmable/editable memory banks + pass
  • 6 ready-to-use pre-programmed delays
  • Full range of effects including chorusing, phasing, flanging, doppler, ADT, repeat echo, hold-and-repeat etc.
  • 1.023 secs maximum delay
  • 20Hz - 18kHz response at full delay setting
  • 16-channel MIDI availability
  • Comprehensive footswitch facilities
  • –20dB or + 4dB operating levels
  • Easy-to-read LED display
  • Balanced or unbalanced inputs/outputs
  • Sine and square LFO waveforms
Yamaha D1500 brochure
Yamaha D1500 brochure
Yamaha D1500 on Sound On Sound Dec 1985
Yamaha D1500 on Sound On Sound Dec 1985


Delay time

0 ~ 1023 msec / 1 msec step

Frequency response

Direct 20Hz ~ 20kHz + 1, –2dB
Delay 20Hz ~ 18kHz + 3, –3dB

Dynamic range


Connection terminals and interfaces

Input Jack, Input XLR
Mixed output Jack, Mixed output XLR
Delay output
Bypass footswitch Jack, Hold footswitch Jack
Control voltage input Jack
Modulation On/Off input Jack

Dimensions and weight

480w x 45.2h x 375.4d (mm) / 18-29/32” x 1-25/32” x 14-3/4”
5.2Kg / 11 lbs. 7 oz.

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