Classic delay in V good condition.

The Yamaha D1500 is a legendary 19" rack-mount digital delay module released in 1984, famous for being the world's first commercially available digital delay with a MIDI interface. It is highly regarded for its warm, old-school digital character and its ability to handle classic time-based effects like chorusing, flanging, phasing, and repeat echoes.

Key Specifications & Architecture

Delay Time: 0 to 1023 milliseconds (approx. 1 second), adjustable in 1ms increments.
Frequency Response: Full 20Hz to 18kHz bandwidth across the entire delay range, keeping the repeats crisp for an early digital unit.
Audio Path: Monophonic input/output with +4dB or -20dB selectable operating levels on both balanced XLR and unbalanced 1/4" jacks.
Memory: 16 user-programmable patches and 6 factory ROM presets.
LFO Modulation: Built-in modulator featuring both sine and square waveforms to create pitch-swept chorus, vibrato, or drastic flanging.
Phase Invert: A dedicated feedback phase-invert switch allows for hollow, metallic short-delay flanging textures. [1, 2, 3, 4]

Roland KC-500 Keyboard amplifier

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