Choose first DSP - processing guitar signal


I'd like to get started using DSPs. And as I'm a guitarplayer I thought a guitar effect would be a great point to start.

I won't start with an expensive DSP like the TigerSharc (Fractal Audio's Axe FX II) or an ADSP-21469 (Line6 Helix or Fractal's AX8) - tough I like the specs of both of them .
But I want to play around with

  • EQing
  • modulation filters
  • compression
  • reverb
  • delay
  • bandfilters
  • maybe later even a looper (using some external memory)

I need the DSP to be at least 24bit 96kHz.

I've read an ADAU1701 would be a nice and cheap device to get startet. But it lacks of memory, why it's not usable for a reverb. An ADAU1452 shall have enough memory for an reverb but lacks of ADC and DAC. Then some guys told me the ADAU1452 wouldn't be a generalpurpose DSP.

So I wonder which DSP to choose.

For delay/looper I'd like to add external ram later on, when I know what I do. But I'd like my first board to be able the rest of the effects.
Also I'd like it to be a newer device which is not EOL, soon.

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