Harley Benton PowerPlant ISO-1 Pro

Multi-power adapter for effect pedals

  • 8 isolated, filtered & short-circuit protected outputs eliminate noise and hum
  • High amperage for modern digital effects
  • LED monitoring at each output
  • Power supply with a 12V @ 2A DC power adapter (included)
  • Output 1-8: 9 V DC @ max. 500 mA (individually isolated)
  • Dimensions (W x D x H): 70 x 120 x 25 mm
  • Weight: 200 g
  • Includes 8 cables from 5.5 x 2.1 mm coaxial plug to 5.5 x 2.1 mm coaxial plug with 60 cm length and 1 Y-cable from 5.5 x 2.1 mm coaxial plug to 2 x 5 , 5 x 2.1 mm coaxial plug with 30 cm length

Note: The total output load must not exceed 2000 mA.

Further information

DC/AC current DC
Output current in mA 2000 mA
9 V Yes
12 V No
18 V No
Secondary voltage No
Multi-output power supply Yes
43 customer ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
4.4 / 5.0
  • quality
33 written ratings Read all reviews
Total
quality

Serves the purpose with nearly zero noise

Shawn Lim, 12.08.2018
I've had my first unit sent to me faulty, but Thomann quickly sent me a replacement and it was working fine.

Pros:
1. Great for pedal boards which use a few digital pedals which use high current power
2. Has a 18v y-cable for those pedals which can receive higher voltages
3. Compact size and light weight

Cons:
1. I've owned the HB Power Plant Jr. before, compared to that, there seems to be a slightly higher noise floor in my signal in the exact same conditions. Not sure why, but it is so little that it is hardly intrusive. I have a noise gate that takes care of that easily at a very low threshold level
2. Build quality of the metal finish is not the best, there are some sharp edges around the unit. Nothing that can be taken care of with some light sanding to smooth the edges
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Total
quality

Well built, light and quiet but doesn?t fit my board

Ricky D, 25.10.2018
This supply is really generous with how much current it can put out of each of its outputs, and the isolation seems legit. No noise with a mix of analog and digital pedals. As long as all of your pedals take 9v, this is an excellent supply. However, the design does not allow it to be mounted underneath a pedaltrain nano or mini. It is small and thin enough, but the plugs make the unit too wide to fit between the rails, even when using the right angle end.
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