All user reviews of 5/5 for the Harley Benton Power Plant Junior

Compact PSU with five 9V DC outputs (except the center one) and 120mA each. All outputs are galvanically isolated.

What's inside the box:
- Five 1ft cables with straight/right-angle plug
- Five 2ft cables with straight/right-angle plug
- One Y-cable to feed a 240mA 9V pedal (no possibility to feed an 18V pedal)
- One 3ft daisy chain
- One manual

The pros:
- Very compact PSU that can be accommodated in any pedalboard.
- The 120 mA are enough to power most pedals.
- The Y-cable allows you to a more power-hungry pedal (but you lose an output)
- Incredibly effective insulation of the 9V outputs (I place the PSU on top of the pedalboard, just below the WahWah, which is very susceptible to interferences)
- No noise, not even with the Wahwah (Vox 847A)
- The price is unbeatable (even considering shipping and handling it's less than $50)

The cons:
- No power switch
- Non-detachable power cord


Personally, I connected it to a power strip with power switch concealed under the pedalboard and whatever will be, will be (the power strip and PSUs are fixed with heavy-duty Velcro).

I wouldn't hesitate to buy it again, given its price and performance.

I bought it secondhand some days ago, this power supply suits me perfectly.
Its value for money is pretty good, not to say it's exceptional!
It can deliver 120mA per output (it has 5), most common pedals, like Boss or Mxr distortions (Tube screamer, etc.), this power supply will certainly know how to please them. You can connect up to 25 pedals via daisy chain, as long as you respect the mA needs of each pedal.
It is also important to note that, unlike the first version (the blue one with more outputs), this one seems more reliable and useful.
Indeed, the first version didn't have isolated connectors, which inevitably produces buzz and other undesirable background noises. Plus, to top it off, its reliability was very questionable...
The defects seem to be solved. This latest version does have isolated connectors, which makes the famous background noises produced by the "power bricks" disappear.
A bet won by Harley Benton. I think it deserves 9/10 given its remarkable value for money.
If you don't believe it's effective, this is how I tested it: I connected my pedals to the loop AND the main speakers, in order to see if I could hear any noise. And I didn't hear anything! I must add that it's almost inevitable to have buzz under such conditions.
Regarding its durability, I can only speak for mine, which I've had for a year.
I'll keep it!

I had had enough of random noises and bulky PSUs (I use one Line 6 PSU, one 1 Spot-like PSU, an ibanez PSU for a fuzz and a Dunlop for the 18V of the OCD... - oh, and I also have the H&K Tube factor PSU). I bought 3 to power 10 pedals (DT10 > Small Stone > MicroVibe > Derr Bender MkII > OCD > LGW > MicroAmp > Boss HF2 > DL4 > DisasterTransport.

The results are conclusive from all points of view: Bulkiness, noise (well below my previous setup), cabling, price. I was able to feed the OCD with 18V and the DL using 3 outputs to guarantee the necessary current (theoretically, 2 are enough but I suffered untimely resets...). The cables supplied are perfect, with right-angled plugs, although they could've added a voltage doubler, now Ill have to solder a bit...

Note: I use the daisy chain supplied as a current multiplier....

I'll update my review after my first gig and in a couple of months, if necessary.
A detachable power cable would have been a plus.

I bought this T-Rex Fuel Tank Jr copy to have something more decent than my Visual Sound One Spot daisy chain. And it worked out well. I incidentally gained 5 isolated outputs which I currently use for several TC Electronic Toneprint pedals: Everything works fine, although, in theory, they are not very temperamental.

The PSU seems solid from the outside, in any case, it's pretty heavy given its size. It comes with 5 connectors (1ft and 2ft), a Y-cable to double the intensity and a daisy chain. Every output is isolated and delivers 120 mA into 9V, which is more than enough except for big and ultra-powerful modern DSP-based units.

It's impeccable after several weeks of use, it's hard to beat in terms of value for money. I only regret that the power cord isn't detachable.

Seduced by the power brick artec, I ordered the junior hb as the pictures mention isolated outputs, unlike its big brother problem.

So I plugged in my pedal board above (Nobels switcher, two ibanez DL5 and two-Toneworks ovedrive more distortion) as the artec before. Result, zero background noise, and the DS104 is a distortion from beyond the grave.
The current limit per trip, there are five, is 120mA. My Toneworks are 117, then confirm the ability of junior powerplant.

The advantages over the artec are priced almost half less, and no external transformer to connect more, the whole is more compact.
I do not see any differences in quality of power for now.
I will update if buzz with pedals appear more likely, thank you for reading!