

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
Watch the latest video demos and reviews for the Eterna from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.
Below are live Reverb listings for the Mr. Black Eterna from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.
Very Good
$142.47
Excellent
$175
Excellent
$140
Very Good
$150
Brand New
$199.95
Very Good
$173.83
Browse through eBay listings for the Eterna compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.
Used
$326.52
Used
$150.00
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Check out the latest news and articles from around the pedal world.