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Hey Wannes,
I suppose that if you copy exactly a Fender reverb, not only the schematic
but also layout, use the same parts, chassis and case you can't do much
wrong. But, hey there is no fun in just copying.
I altered the schematics (thought I could do better than Leo, hehe) Used
parts I had lying around.
But also decided to use an existing chassis I already had and I think this
is my problem.
Anyhow I let it rest a little bit but don't give up.
So people is you want to build one, don't try to be smarter than the man
himself stick to the plan.
BTW the tolex bag is isolating the pan from acoustic vibrations.
Roland Bettenville
-------Original Message-------
From:
Date: woensdag 29 oktober 2003 21:21:54
To:
Subject: [SurfGuitar101] Re: DIY Reverb unit
Oh yeah Roland, I forgot, you posted on that before, sorry i didn't
mention it.
Solid state? I'd rather buy that extra yard of chord!
I read somewhere (can't for the life remember where) that the tolex
bag in fenderamp isolates. can't figue out why or how, isn't it just
tolex? anyway, don't believe everything you read on the internet,
that's or sure.
but here's one for you.... I build a SF twin chasis into a bassman
100 style head (to be sure: similar to the dual showman reverb, but
not as high.) I figured i wasn't goin to need the onboard reverb
anyway. well anyway, I've played likethat for a while and then i
decided to put in the reverb pan, just to try it out. So i put it the
head, right under the huge OT and power tranny, they're about an inch
apart... guess what, no hum whatsoever!? I was stunned, couldn't
believe it, but will stick to the outboard nonetheless. just goes to
show...
I still don't understand, btw, how it possibly could go wrong if you
build it exactly after fender specs (that includes both lay out, box,
and positioning of the pan) .... but that's probably why I'm not an
engineer ;-)
--- In , "Roland Bettenville"
<roland.bettenville@p...> wrote:
> The biggest problem on building your own tube reverb unit is to
have it hum
> free.
> The reverb pan picks up the magnetic field from transformers and
wires much
> to easy.
> I have been experimenting with a diy reverb and this is the point
where I'm
> stuck.
> When I place the pan 1 meter away from the unit it sounds great but
this is
> far from being practical.
> In the mean time I'm experimenting with a solid state reverb. This
must be
> easier to have it hum free because you can use a wall wart power
supply and
> keep it far away from the unit.
>
> Roland Bettenville
>
> roland.bettenville@p...
>
>
>
>
>
> -------Original Message-------
>
> From:
> Date: woensdag 29 oktober 2003 20:32:25
> To:
> Subject: Re: [SurfGuitar101] Re: DIY Reverb unit
>
> Wannes,
>
> Good advice, and that's the reason I asked in the
> first place. A schematic isn't nearly enough for an
> inexperienced builder (like me), and even most layouts
> are too vague to insure a smooth build. I was hoping
> to find a more detailed project that listed the right
> transformers to use, test data, etc. Hoffman's site
> () has what I was looking
> for.
>
> As for cost, you're certainly right. I always get a
> kick out of new amp builders who list their reason for
> building an amp as "to save money." I've accumulated a
> lot of parts, so I don't have to buy everything for
> just one project. Plus I enjoy it, and learn a lot.
>
> Thanks for the input.
> Ric
>
> --- mono_tones_1 <rockverb@h...> wrote:
> > Hi guys,
> >
> > I'm not an expert on this subject, but I understood
> > that its quite
> > difficult to build a reverb unit, esp because it's
> > an unstable
> > circuit. So my advice would be in any case to stick
> > as close to the
> > original layout.. a B+ in the wrong place can cause
> > a lot of trouble.
> > both circuit and layout for fender reverb is
> > available at
> > schematicheaven, ampwares probably has 'em too.
> >
> > I once had this plan, and made a part list to see
> > what it would cost.
> > I included the costs for a Fender style housing. It
> > ended up being
> > almost as expensive as buying a unit. I ended up
> > bying an italian
> > made cosmoverb for 430 euros (new, built after
> > fender 60's specs).
> > dont know exactly how much DIY was, but the
> > difference was way less
> > then 100 euro's, and thats assuming you get
> > everything right the
> > first time. So just make sure beforehand that it's
> > actually worth it.
> >
> > good luck though, I'd love to see how it turns out!
> >
> > wannes
> >
>
>
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