JHS Pedals COLOUR BOX V2 (JHS Pedal) Preamp Audio Interface 3mm steel hoop/10 tension Strainer:

3mm steel hoop/10 tension Strainer: Glide-Lock (SR-1000FA/SR-1000FE)

and while they offer the excellent sound projection and response of a metal shell

Its larger contact area with the head than a coiled snare provides a more sensitive response and reduces noise caused by resonance

followed by Mike Battle's Echoplex EP-1™ in 1961 and Roland's Space Echo™ in 1974

JHS Pedals COLOUR BOX V2 (JHS Pedal) Preamp Audio Interface 3mm steel hoop/10 tension Strainer:The Colour Box V2 inherits all the features of the V1 and adds new features such as expanded EQ controls, a Hi Lo switch for larger, cleaner headroom, and a circuit that passes phantom power from the console through to the XLR input. HI LO switch to change headroom The Colour Box V2 now features a HI LO switch that lets you adjust the clean headroom. LO mode lets you easily achieve a pure clean sound without breakup, making it ideal for tone shaping