Here is a Matthews Effects The Astronomer Celestial Reverb pedal in excellent condition. Pedal only. Works perfectly. The Matthews Effects "The Astronomer" pedal is gives you to independent, blendable channels of reverb and shimmer effects on two footswitches for luscious tails and upper-harmonic sparkle. Effectively presenting you with two reverb options in one compact pedal, this atmospheric reverb offers up tons of tones and a range of reverb lengths for light hall effects all the way through huge, deep ambience.