Hawk HR-12 Spring Reverb oos What we can confirm is

What we can confirm is that this is as close as you'll come sonically to buying a new valve Echorec

The synth section has a that superb squelchy Roland filter - great bass sounds

So yes - you do need both

and the Hawk has a phase reverse option that you obviously can’t hear in mono

The pots and switches have been cleaned are currently fine

Hawk HR-12 Spring Reverb oos What we can confirm isSimple but very effective vintage spring, dating from the late 60s or early 70s from the excellent Hawk Technical Works Co. Demo below. Hawk HR 12 for sale serviced and working well. Modified with a wet only switch. Supplied with a new universal 12v Centre Negative power supply to allow use anywhere in the world. CONDITION: Has some some wear and tear to the case and signs of battery damage on the base (has been cleaned up). We're big fans of these