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DIY Guitar Sustainer 'OPEN E' test (thinnest string) - strong sustain.

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Chances are if you're watching this video, it's because you've built a DIY sustainer with a fetzer ruby circuit & connected it up to an 8 ohm sustainer driver (wound with 0.2mm dia. wire!) & you're wondering why you've got poor/zero sustain on the thinnest strings - unfortunately, that's because the overall design of that particulat DIY sustainer is seriously flawed (& the guy who touts would much rather bask in the misplaced adoration heaped on him by those who think they're gonna get a good sustainer for $5).So, a slight variation of a well known proverb - "the one eyed man *appears* to be King in the valley of the blind"!!. I've posted this video purely towards motivating 'electronics savvy' DIY'ers (& proving it can be done). In the video what you see is self designed sustainer that *strongly* sustains a .009" gauge top OPEN E string (where the string to driver distance is at its max, somewhere in the region of about 6mm - quite a distance for a sustainer). Before you waste a lot of time making a DIY sustainer, ask for confirmation from others (who have built the same one), that it actually sustains the thin strings ....cos a 4 string sustainer isn't much use to anyone. Please don't ask for a circuit/schematic or spec...becuase I won't release - there are many out there, that will simply rip off what I've done (I've been dabbling for about 3 years on this) or will claim that they came up with my design (& frankly I doubt many will get close)...but also, because I'll likely eventually get around to selling...therefore if I release my work, then I'll have nothing to sell!
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Текстовые комментарии (20)
peskywinnets (5 лет назад)
If you made a sustainer with a Fetzer Ruby and a 0.2mm wire driver wound to 8 ohms, then unfortunately, you've no hope of getting any more power...it's a very flawed design. I'm outraged - and others should be - that the designer (who's prolific & bigs up himself everywhere) is getting away with calling himself Mr DIY Sustainer! You need a dual driver to get more power (like in the video abocve) but then you'll need a different circuit (the fetzer ruby is not a good match for a dual driver)
El Caballero de Negro (5 лет назад)
hi, its me again jeje, I built the LM386 fetzer-ruby and has run to perfection with the buzz, now there is a problem, does not have much power, with effort thin string vibrates when I connect directly to the volume potentiometer input, sounds stronger , but still lacks low power, what I can do????
peskywinnets (5 лет назад)
It's almost impossible to help someone troubleshoot sustainers over the internet as there are *so* many variables. I note the TDA1011 has an integrated preamplifier....personally I'd rather go with a standalone preamplifier in front of a power amplifier IC like the LM386 (I don't like that IC, but many use it). The lack of vibrations on top E & top B is very common (the majority of DIYers have trouble with this)....sounds like your driver coil is not spec'ed well for the task.
El Caballero de Negro (5 лет назад)
I hope you can help me, I built the amp the hum TDA1011 but plays horrible, and does not allow thin strings vibrate, only thicker, if you lower the volume potentiometer buzzing stops, but no longer has powers to vibrate, reuse a coil of another guitar, please help
revzob (5 лет назад)
very nice... are you ready to sell them now ?
peskywinnets (5 лет назад)
That's be a bit hard to enforce (there re a lot of people out there that want to profit from this kind of stuff, but they weren't there with me night after night until 3.00am for 18 months!). For all I'm not making now, I will be eventually, & if I release what I've done everyone would just rip it off. There are plenty of DIY projects out there that'll get you close enough, but if you want pro performance, then you need to put hours of your own research in,. I doubt anyone would gift that away
peskywinnets (5 лет назад)
Firstly, there's nothing magical about 3mm in height (my own testing revealed not much difference in performance with heights ranging from 3mm to 10mm)...the reason it's 3mm in height is not for performance, but there's only 5mm of clearance between the body & the strings - th coil is on a pcb which measures 1.6mm tall...hence the coil *has* to be 3mm. Re current consumption...to get it low, you need more windings (it's the windings that makes it efficient, not the resistance)
zigabric (5 лет назад)
Hey, another fellow diy-er here. So to get the optimal 60mA running through the coil, the resistance should be much higher, cca 40 ohm? My question is, what material did you use for the coil, as I can see from the video, the coil is still 3mm in height
peskywinnets (5 лет назад)
Sorry, but I've now moved onto other things & unlikely to get back to Sustainers for a good while (I've since updated the text box to inform of this)
nuclear1250 (5 лет назад)
Hey man, I know you probably get asked this a lot, so sorry about adding onto the pile, but do you have an approximate idea of when we'll be able to buy these things?
molomono (5 лет назад)
That's the answer i was expecting, oh well, thanks for the current. My project is gauged to be roughly 100mA, but as it is now it's so sensitive that any vibration would make it sustain a note. (i mean you could blow across the strings and it would react) So i need to work those things out first. Thanks anyways.
peskywinnets (5 лет назад)
if I give out the RMS figure, you've already got the current, then it's easy to work out part of the spec of my driver (the DC resistance), I'm loathe to do that because this genre is peppered with self declared experts & 'emperors with no clothes' (no video= no cred in my books). That said, the DC resistance is only part of the challenge, there's number of windings, wire gauge type, core material, core size etc. Anyway, if I gave you the info, where's the fun for you in experimenting yourself?
molomono (5 лет назад)
Ah thanks, that's the just the information i needed. I'm working on one myself and have no clue as to what amperage generally runs threw a sustainers driver. Considering how well your's works helps. I know you don't want to give away too much information but does your coil run at roughly 1-1.5 volt rms?
peskywinnets (6 лет назад)
The coil I use has about 60mA running through it.
peskywinnets (6 лет назад)
Folks need to remember that the reason that everyone builds a driver to 8 Ohms with 0.2mm wire is because of one guy's hunch (that same person readily admits they aren't particularly techie, owning no test equipt to do any meaninful measurements...so the 0.2mm wire 8 Ohm driver is really all based on subjectivity). Do the maths, a 9V circuit running into a 8 Ohm 0.2mm coil, results in about 354mA running through the coil - woefully inefficient & will drain a 9V battery in about an hour!
peskywinnets (6 лет назад)
It sounds like you're well on your way & don't need much help. I can't divulge what the properties of my driver are but can say that 0.2mm wound to 8 Ohms sucks. After a few test winds you'll no doubt get that message! I posted the video just to show it can be dione for thiose that may think a DIY sustainer means only a 4 string sustainer! ( I may be wrong but I don'y think anyone anywhere on the net shows their DIY sustainer sustaining a top E string?!!)
will it work if i put sausages on my head?... :P
Blyatboy (6 лет назад)
youve got real nice mods very creative stuff man, ive got a pacifica too would be interesting to see what you can hack up
peskywinnets (6 лет назад)
There's a big difference between me knocking together a rough & ready solution for my test guitar (which you see in the video) vs getting the aesthetics up to a standard where folks will part with their hard earned cash for one. So, yes I'm getting closer, but presently seeing how small I can get this driver to go. I've just bought a yamaha pacifica, which has 8mm of space between the neck end & neck pickup - trying to shoehorn one in there, cos that should cover most scenarios.
Jim Luckey (6 лет назад)
Hopefully this means your about ready to sell me one?

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