Sunny Day Delay V2

PT2399 Delay

Sunny Day Delay

The Sunny Day Delay is the latest revision of a classic Dr. Scientist pedal based on the famed PT2399 delay chip. This newest version now features a brand new tone control, mix knob and expression input all in a smaller form factor than previous versions. Offering classic, warm delay tones and ambient, modulated washes of repeats, the Sunny Day Delay can find a home on any pedalboard.

Delay – Sets the delay time from nearly instant to just over a second
 Repeats – Sets the number of repeats from 1 to oscillating
Tone – Adjust the frequency response of the repeats
Mix – Adjusts the balance between the input signal (Dry) and the effect (Wet) signal
Mod Depth – Increases the amount of warble in the repeats
Mod Rate – Sets the speed of the modulation
Volume – Controls the overall signal level
Mod/Osc Footswitch – Either turns the modulation on/off or can be held for maximum repeats
Bypass – Engage or disengage the effect


500kΩ/1kΩ
100mA @ 9VDC, 2.1mm centre negative plug
True Bypass with soft touch relay switching


Mono input, Mono output, TRS Expression input
Exp Input: TRS cable, 10k-25k Ohms ideally
All analog controls
Dimensions: 70mm wide, 129mm long, 59mm tall (2.75” wide, 5.1” long, 2.3” tall)

https://www.drscientist.ca/pedals/sunny-day-delay