Running a pedal at 18v.

Reg18 · Post by **Reg18** » Mon Apr 13, 2015 8:12 am

I have a Lovepedal Kalamazoo and have heard it sounds great running it at 18v, however I only have a visual Sound 1 Spot daisy chain. Is there a cheap 9v-18v in line product that I can buy to achieve this? I really don't have the cash to invest in a New Power Supply right now so was hoping for an inexpensive solution.
Anyone built something like this before?

StratMatt · Post by **StratMatt** » Mon Apr 13, 2015 8:26 am

T Rex make a 9-18v adapter, it's just two 9v plugs running into one 18v so you'll need one extra plug. Ryan will sort you out.

Reg18 · Post by **Reg18** » Mon Apr 13, 2015 8:34 am

StratMatt88 wrote:T Rex make a 9-18v adapter, it's just two 9v plugs running into one 18v so you'll need one extra plug. Ryan will sort you out.

Wouldn't I need 2 Isolated 9v joined to make 18v? I would assume just joining to 9v plugs from the daisy chain would still be 9v?

jeremyb · Post by **jeremyb** » Mon Apr 13, 2015 8:37 am

That won't work with a daisy chain, you will need two separate power sources to use a normal cable doubler, or you could wire up a simple charge pump circuit to do it, Godlyke make an inline 9-18V converter tho' if you can find one online, or buy a proper power supply

StratMatt · Post by **StratMatt** » Mon Apr 13, 2015 8:43 am

Reg18 wrote:
StratMatt88 wrote:T Rex make a 9-18v adapter, it's just two 9v plugs running into one 18v so you'll need one extra plug. Ryan will sort you out.
Wouldn't I need 2 Isolated 9v joined to make 18v? I would assume just joining to 9v plugs from the daisy chain would still be 9v?

Ah yes, quite right. Ignore me, haven't had my morning caffeine yet

Reg18 · Post by **Reg18** » Mon Apr 13, 2015 8:54 am

jeremyb wrote:That won't work with a daisy chain, you will need two separate power sources to use a normal cable doubler, or you could wire up a simple charge pump circuit to do it, Godlyke make an inline 9-18V converter tho' if you can find one online, or buy a proper power supply

Just looked up the Godlyke product, actually looks like exactly what I'd need, but at $60 I might has we'll buy one of those Joyo Brick power supply's for $99 which has a couple of 18v outs and have more options. But then again if I go that far I might as well spend $200 and get a good second hand proper isolated one.......and I've come full circle again realising I really just need to buy a proper PS!

Post by **Slowy** » Mon Apr 13, 2015 9:09 am

I use a 18v laptop PS that I scrounged from work. It's only running a DLS and I expected it to be noisy, but it's fine.

jeremyb · Post by **jeremyb** » Mon Apr 13, 2015 9:21 am

Reg18 wrote:.......and I've come full circle again realising I really just need to buy a proper PS!

Thats the correct answer, buying a decent one is something you will never regret, and never need to replace! I have 12 pedals running off my PP2+ with no noise or hassles

Dharmajester · Post by **Dharmajester** » Tue Apr 14, 2015 1:23 pm

Keep your eye open for an MXR MC403
Has 4 X 18v dc outs ,
8 X 9v dc
2 x 9v dc (with sag )
and 2 X 9v ac

I've had Voodoo Labs, BBE and Cioks in the past and this thing covers my rig better thanks to the 18v outs which I need for Pigtronix and prefer where possible with other stuff for the extra headroom..Nit expensive either

Reg18 · Post by **Reg18** » Tue Apr 14, 2015 1:25 pm

Yeah I saw that one online, it does have good specs!

fuzziebro · Post by **fuzziebro** » Tue Apr 14, 2015 1:57 pm

jeremyb wrote:That won't work with a daisy chain, you will need two separate power sources to use a normal cable doubler, or you could wire up a simple charge pump circuit to do it, Godlyke make an inline 9-18V converter tho' if you can find one online, or buy a proper power supply

there's $5-$10 worth of parts going the DIY route and an hours worth of mucking around - do it on a tiny piece of veroboard and buy a small piece of large heatshrink to encapsulate it to make an 'inline' unit. almost a no-brainer, I'm sure someone here could do it for you...

You need an ICL7660 chip - can get 10x delivered for less than $3 on ebay from china.

I could make you one but wouldnt be for a few months cos all my gear is in storage atm while I'm on a work project in AU.

jeremyb · Post by **jeremyb** » Tue Apr 14, 2015 1:59 pm

I think I even have some of those at home, could probably knock you up something like fuzzie suggests

Reg18 · Post by **Reg18** » Tue Apr 14, 2015 7:06 pm

jeremyb wrote:I think I even have some of those at home, could probably knock you up something like fuzzie suggests

Yeah I'd be keen to give it a go, heaps cheaper than buying a new PS.
Have you bought a Cabronita Tele yet?

jeremyb · Post by **jeremyb** » Tue Apr 14, 2015 9:04 pm

Reg18 wrote:
jeremyb wrote:I think I even have some of those at home, could probably knock you up something like fuzzie suggests
Yeah I'd be keen to give it a go, heaps cheaper than buying a new PS.
Have you bought a Cabronita Tele yet?

Cool, will have a looksie for the chips and a circuit and knock something up this weekend

Reg18 · Post by **Reg18** » Tue Apr 14, 2015 9:31 pm

jeremyb wrote:
Reg18 wrote:
jeremyb wrote:I think I even have some of those at home, could probably knock you up something like fuzzie suggests
Yeah I'd be keen to give it a go, heaps cheaper than buying a new PS.
Have you bought a Cabronita Tele yet?
Cool, will have a looksie for the chips and a circuit and knock something up this weekend

Awesome, thanks man!

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Running a pedal at 18v.

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