Filter / Wah (Optical wah (treadle)) · $54.90
The Behringer HB01 Hellbabe Wah is an analog optical wah (treadle) pedal based on the Dunlop Cry Baby From Hell, with Range (440-250 Hz), Fine (up to ~2.2 kHz), Boost (up to +15 dB w/ on-off), Q; adjustable spring-back controls, made in China. From $54.90.
| Category | Filter / Wah (Optical wah (treadle)) |
| Circuit / based on | Dunlop Cry Baby From Hell |
| Signal | Analog |
| Controls | Range (440-250 Hz), Fine (up to ~2.2 kHz), Boost (up to +15 dB w/ on-off), Q; adjustable spring-back |
| Switches | Boost on/off switch; optical treadle engagement (no pot/click switch) |
| Footswitches | treadle-operated optical engagement (no separate on/off footswitch) |
| I/O | 1x 1/4" input, 1x 1/4" output, 1x 1/4" Output/Bypass |
| Power | 9V DC |
| Power draw | 30 mA |
| Battery power | Yes |
| Enclosure | large |
| Dimensions | 99 x 120 x 254 mm |
| Weight | 1.2 kg |
| Country of manufacture | China |