Eterna

The Eterna by Mr. Black is a reverb pedal designed to provide a shimmering reverb effect with specific technical specifications. The Eterna Standard model features the following:

- Input Impedance: ~500KΩ
- Output Impedance: ~2KΩ
- Power: 9VDC 2.1mm negative center-pin power (optional internal 9V battery)
- Current Draw: <60mA
- Controls: Mix (reverb mix/level), Shimmer (shimmer level), Decay (length of reverb tail)
- Shimmer Control: Allows adjustment of shimmer level
- 100%-wet Mix Control
- Reverb Tail: 40+ second reverb tail available
- Indicator/Status LED
- True-Bypass

Product dimensions:
- 2.65" W x 4.4" L x 1.9" H (67.5mm x 112mm x 48mm)
Package dimensions:
- 3.3" W x 5.75" L x 2.3" H (84mm x 146mm x 58.5mm)
Weight: 12 oz (340g)

The Eterna Gold Modified model features a modified reverb algorithm including:
- Expanded decay: over a 60-second tail
- Shimmer-swell coupled with standard shimmer
- Multiple early reflections
- Augmented reverb voicing