Harmonic Percolators in the UK from Fredric Effects
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- timhulio
- Posts: 97
- Joined: Tue Oct 06, 2009 2:24 pm
- Location: London, UK
Harmonic Percolators in the UK from Fredric Effects
Edit: go to page 3 for the new, pro-finished Percolators!
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Just testing the waters really in case anyone is interested. In fact I'm not even sure I'm allowed to post here rather than the main classifieds... if so feel free to move this
I've been making effects for a year or so under the Fredric Effects name:
http://www.fredric.co.uk/effects
I currently make two varieties based on the old Interfax Harmonic Percolator circuit:
1) Harmonic Percolator- this is a direct clone using vintage-correct parts (2N404, 2N3565 transistors, 1N695 diodes)
2) Utility Perkolator- using NOS Russian MP16B germanium and ST3904 silicon transistors, obscure Russian silicon signal diodes
I sometimes sell these on ebay, as they're not actually called a 'harmonic percolator'
*note pedals look the same, but I'm using squared-off enclosures now.
##############################################
Just testing the waters really in case anyone is interested. In fact I'm not even sure I'm allowed to post here rather than the main classifieds... if so feel free to move this
I've been making effects for a year or so under the Fredric Effects name:
http://www.fredric.co.uk/effects
I currently make two varieties based on the old Interfax Harmonic Percolator circuit:
1) Harmonic Percolator- this is a direct clone using vintage-correct parts (2N404, 2N3565 transistors, 1N695 diodes)
2) Utility Perkolator- using NOS Russian MP16B germanium and ST3904 silicon transistors, obscure Russian silicon signal diodes
I sometimes sell these on ebay, as they're not actually called a 'harmonic percolator'
*note pedals look the same, but I'm using squared-off enclosures now.
Last edited by timhulio on Wed Jul 07, 2010 2:46 pm, edited 3 times in total.
- timhulio
- Posts: 97
- Joined: Tue Oct 06, 2009 2:24 pm
- Location: London, UK
Re: Harmonic Percolators in the UK from Fredric Effects
Ah, Utility Perk gutshot:
New HP gutshot is per the image on the website, but with fibreglass, not resin PCB.
New HP gutshot is per the image on the website, but with fibreglass, not resin PCB.
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- Posts: 569
- Joined: Mon Feb 23, 2009 12:17 am
Re: Harmonic Percolators in the UK from Fredric Effects
Interesting stuff. What is the utility model like?
- Kregg
- Posts: 821
- Joined: Mon Sep 28, 2009 6:51 am
- Location: US
Re: Harmonic Percolators in the UK from Fredric Effects
Fantastic circuit. Great price point Tim.
I picked up one made by Chuck Collins and I absolutely love the damned thing.
Any chance of a side by side audio comparison between the Harmonic and the Utility?
I picked up one made by Chuck Collins and I absolutely love the damned thing.
Any chance of a side by side audio comparison between the Harmonic and the Utility?
The surest way to save an endangered species ... put it on the menu.
A theory that explains everything ... explains nothing.
A theory that explains everything ... explains nothing.
- timhulio
- Posts: 97
- Joined: Tue Oct 06, 2009 2:24 pm
- Location: London, UK
Re: Harmonic Percolators in the UK from Fredric Effects
Thanks Kregg, yes I shall be doing an A/B demo for these two effects as soon as I can grab a borrow of a video camera with better sound quality. It didn't seem worth it before, as they sounded very similar when both effects used germanium clipping diodes.Kregg wrote:Fantastic circuit. Great price point Tim.
I picked up one made by Chuck Collins and I absolutely love the damned thing.
Any chance of a side by side audio comparison between the Harmonic and the Utility?
Re. the price point- glad you approve I think this is reasonable, as there's only a few NOS parts that cost much in the circuit, the boards are fibreglass but quite small, and the alpha pots aren't expensive. I've also found affordable sources for good quality switches and jacks.
- timhulio
- Posts: 97
- Joined: Tue Oct 06, 2009 2:24 pm
- Location: London, UK
Re: Harmonic Percolators in the UK from Fredric Effects
Without the clipping diodes- slightly fuzzier as an overdrive/distortion. With silicon clipping, it's more of a Dist+ flavoured distortion pedal- longer sustain, more raucous (80s haha) tone than the HP.Bram wrote:Interesting stuff. What is the utility model like?
- timhulio
- Posts: 97
- Joined: Tue Oct 06, 2009 2:24 pm
- Location: London, UK
Re: Harmonic Percolators in the UK from Fredric Effects
I'm having a "lets put new brake pads on my car for fun" sale on Harmonic Percolators this week.
Last edited by timhulio on Wed Jul 07, 2010 1:48 pm, edited 1 time in total.
- 1bottlerocket
- Posts: 8564
- Joined: Tue Aug 26, 2008 8:45 pm
- Location: The Land of Milk and Honey
Re: Harmonic Percolators in the UK from Fredric Effects
These look nice, I am going to have to do some research into the Percolators.
Never argue with an idiot, they bring you down to their level and beat you with experience
-Garfunk M. Rafferty
_________________________________________
For all things stomp: http://www.effectsdatabase.com/
Big Muff History Page: http://bigmuffpage.com/
-Garfunk M. Rafferty
_________________________________________
For all things stomp: http://www.effectsdatabase.com/
Big Muff History Page: http://bigmuffpage.com/
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- Posts: 569
- Joined: Mon Feb 23, 2009 12:17 am
-
- Posts: 569
- Joined: Mon Feb 23, 2009 12:17 am
Re: Harmonic Percolators in the UK from Fredric Effects
I got the HP and the FY-2 in the mail yesterday. I'm impressed that you could even build those pedals for that cost. They sound exciting and will be called in for special duties.
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