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 Echobox D7 by Sender Spike is a Virtual Effect Audio Plugin. It functions as a VST Plugin.
Echobox D7
Product Echobox D7
Developer Sender Spike
Price (MSRP)
Type / Tags EchoTape Echo
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
System Requirements
Windows 7 or higher
Miscellaneous Information
Copy ProtectionNone

Echobox D7 is a model of the echo mode of a very underappreciated (now discontinued) Japanese stomp-box, which itself was a digital remake of a famous American tape echo.


  • overall delay time ranging from 30 ms to 2600 ms.
  • feedback that can go into (self-)oscillation.
  • separate controls for level of delayed and dry sound.
  • freely adjustable panning of delayed signal (stereo tracks only).
  • continuous feedback cross-fade (stereo tracks only).
  • three ranges of delay time (30-160, 120-650, 480-2600 ms).
  • "true" bypass (clears the echos in buffer).
  • manual BPM sync.
  • whole output switchable to dual mono (stereo tracks only).
Latest User Reviews Average user rating of 0.00 from 0 reviews


Discussion: Active
30 March 2020 at 7:46pm

Thank you Sender Spike.

Your efforts to rebirth this delay have led to this VERY appreciative user.

Works great in Tracktion Waveform 11.

31 March 2020 at 5:26pm

Thanks for feedback and your kind words;).

31 March 2020 at 7:45pm

My pleasure.

Created an amazing soundscape with a simple synth drone and the DX by automating Delay Time and Repeat to each slowly sweep a through range of levels. The result is a very cool morphing / evolving pad. Only issue is that sweeping delay time produces very mild zippering glitches. Curious if this is resolvable. It may well be due to my under whelming system, yet CPU consumption is low for this edit.

Thoughts welcome.

1 April 2020 at 5:48am

Well, your system is not at fault (as also your CPU attests). To get that authentic sound I went with a slightly different algorithm than what is usually used for tape echo emulations, alas it has those "vinyl static" artifacts you've encountered when changing the delay time. Essentially it's a discontinuity in the buffer playback. To be honest, I have currently no clue how to (efficiently) solve it, while also preserving the sweep timbre. After the initial release I tried some things, but without much luck (most of the attempts make it even worse). However, I'm playing with some ideas that are loosely tied to it, so, if some "eureka" moment strikes me, I will definitely address this issue - it's basically the only thing that is still lacking in D7 (though I plan to leave that "scratchy knob" as an option too).

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