Palmer PWT 08

8-Output power supply for effect pedals

  • 6x 9V DC outputs (150mA each)
  • 2x Isolated outputs, switchable between 9, 12 or 18 V (each 500mA max)
  • Total 2000 mA
  • Output A and B each 500 mA, 9V outputs each with a maximum 150 mA
  • Outputs can be combined to 21, 24, 30 or 36 V using the included Y-cable
  • Compatible with Palmer Pedalbay (except 50S)
  • Dimensions (W x H x D): 140 x 80 x 32 mm
  • Includes 8 cables

Further Information

DC/AC current DC
Output current in mA 2000 mA
9 V Yes
12 V Yes
18 V Yes
Secondary voltage Yes
Multi-output power supply Yes

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309 written ratings Read all reviews
Could be better but does the job.
Bellenoir, 05.02.2019
I use this as the main power source in my pedal board. Amp I use is Koch Studiotone 20. I get my drive tone from the amp, so I don't use drive pedals.

+ quiet. Doesn't add too much extra noise on its own
+ solid build for the money
+ lots of outputs
+ 2 outputs that go up to 18V

- the 2 iso-outputs are isolated from the other 6, but NOT ISOLATED FROM ONE ANOTHER (at least not to my knowledge), which the product description doesn't mention. Usually, this is not a problem, but for some, it can be.
- I have a DigiTech Jamman and whenever I use it, I need to use the iso-output, because the unit picks up a lot of scratchy digital noise otherwise
- the cables supplied with the unit have right-angled plugs only at one end. I would have preferred on both ends, as you pretty much need to use the right-angle ones into the unit and straight ones into the pedals - which is not optimal at all
- only 150mA of juice per outlet. This might limit your pedal choices.
- I'd have preferred a solid power cable instead of a flimsy adapter
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Insufficient isolation (for my needs)
Pros: great price, small, plenty of juice, flexible

Cons: wall wart, no on/off switch, insufficient isolation

I was pretty impressed with this overall when I first found and got this. Unfortunately, I started having some noise issues from one of my pedals in pretty extreme situations. I have a bunch of pedals daisychained at 12v and realized that high gain pedals were causing noise in one of my 18v pedals. Troubleshooting revealed that it was an isolation issue. I tried combining two of the 9v outlets, but was getting faults...which also turned out to be an isolation issue. So, this power supply has helped me realize that a lot of the Mooer pedals sound great at 12v, but unfortunately it doesn't quite meet my needs.

The description, and even the manual, is not super clear on this, in my opinion. Ports A&B are isolated from the other six ports, but A&B are not isolated from each other, and neither are the six other outlets. This may or may not be an issue for you, but it will probably lead to me returning it and using my Harley Benton power plant jr.'s a little longer before eventually buying something more expensive (currently out of stock). Bummer!
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$88 €79.83
Plus $33 shipping

The price in USD is a guideline price only!

Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

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