Leaderboard

Not directly. But you can build Astro presets that only differ in the Galaxy setting and switch through those with HX's snapshots.

AFAICT: The amp has 128 PRESETS. Each preset is user programmable to be a specific combination of CHANNEL and GALAXY and (assuming again) PLANETS (IRs). PC#s 0-3 are hardwired on the included FS, but all 128 are available from a standard MIDI controller. I assume that when using a standard MIDI Controller (such as Helix) that the procedure (which is similar to other MIDI amps such as the H&K GM series) would be the same for all 128 presets. The details for programming the stock 4 button MIDI FS are as follows (from the Astro manual): INCLUDED FOOTSWITCH ASTRO-20 Includes a 4 Channel Universal MIDI footswitch. The switches are fixed and correspond to MIDI PROGRAM CHANGE 0 to 3, on MIDI CHANNEL 1. The footswitch is phantom powered by the ASTRO-20 when using the 7 WIRE MIDI CABLE supplied. It can be powered externally when using it with a 5 WIRE MIDI CABLE or when using it with another device. PROGRAMMING THE FOOTSWITCH Programming the footswitch is very easy – just follow these steps: 1) Press the footswitch button you want to program. 2) Configure the ASTRO as you wish by selecting desired Channel, Galaxy and IR 3) To STORE, press to the right and hold for one second the ASTRO Channel Switch until the STAR display flashes white. Your footswitch is now programmed! You can proceed again with the next footswitch button by repeating these three steps. _____________________________________________________________________________________________________________________________ Since I couldn't find any further instructions re MIDI, I'm assuming that the above is all there is to it. IOW, you can't toggle individual parts (Channel/Galaxy/Star) individually within a loaded preset using CCs. The # of possible presets should (if my math is correct) be: (1 [Clean Ch] x 6 planets [IRs] x 2 [IR active/bypassed]) + (2ch x 3 Galaxies x 6 planets [IRs] x 2 [IR active/bypassed]) 12 + 72 = 84. Pure speculation on my part. It is not clear whether or not the Volume/Tonestack controls are saved with the preset (as is the case with the H&K GM series). I do not think they are.

You're comparing two very different things. Kind of like comparing a CPU to a GPU. DSP chips are designed for real time mathematical transformations and nothing else. Apple silicon is an all purpose Reduced Instruction Set Computing (RISC) chip with no specialization. Believe me if there were an advantage to it someone in the modeling world would have latched onto it to gain some advantage. But in a dedicated hardware unit it would be way out of its league.