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Looper's Delight
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Do you guys think this Pete Toms fellow could do something like this: make a power supply to replace the two 4-pound AC wallwarts for the Vortex (complete with its oddball connector) and the VF-1? (I'd love to use my lightweight-but-powerful Godlyke Powerall, but no dice! 14 volts AC indeed! It's like a car maker building a vehicle that can only run on the musk of the tree-dwelling elephant ;-) My needs are simple: 3 outputs (9VAC, 1000 mA; 14VAC, 1000mA; and a standard, ordinary 9VDC of around 800mA or so just in case). Always interested in shaving off a few pounds, either from my equipment or myself, Tim > [Original Message] > From: William Walker <billwalker@baymoon.com> > To: <Loopers-Delight@loopers-delight.com> > Date: 12/14/2005 6:54:05 PM > Subject: RE: RPTR issues > > Yes the Pete Toms power supply is noticeably quieter, though I haven't tried > his internal shielding mod yet. good suggestion. > Bill > > -----Original Message----- > From: mech [mailto:mech@m3ch.net] > Sent: Wednesday, December 14, 2005 9:00 AM > To: Loopers-Delight@loopers-delight.com > Subject: Re: RPTR issues > > > At 8:11 AM -0800 12/14/05, Zoe Keating wrote: > >On Dec 14, 2005, at 12:55 AM, William Walker wrote: > >> regarding hiss and peaks, are you running the rptr in a parallel effects > >>loop with the input mute engaged? you should be for optimal sound > > > >Yes, I've tried this one but don't do it because the back LEFT input > >of the RPTR is very noisy (more ticking - forgot to mention this). > >It ticks loudly when only one input is engaged, it ticks quietly > >when both are engaged. Stephen said that the mod to fix output > >ticking would also fix the input problem? Both the RPTRs do this. > > It really sounds like you need to look into some of the noise mods > that have been developed for the RPTR, Zoe. > > The first was the power supply replacement, developed by Peter Toms > at Condor Electronics up in Seattle (who may be the person your > friend was referring to earlier). Just regulating cleaner power > reduced the noise by a few dB's. > > Then, a fellow in Massachusetts developed a internal mod to reduce > overall noise, with a mind toward reducing the CFC card noise > specifically. From what I understand, the circuitry for the CFC (as > well as the circuit for the front side guitar input) is too close > physically to the output stage and produces unneeded noise. This mod > disables the front panel input entirely, and buffers the CFC stage > resulting in quite a reduction in unit noise. > > Lately, I've seen Peter Toms announce that he figured out a new mod > which incorporates both his improved power supply along with similar > internal modifications to the unit. This one supposedly reduces > output noise by up to 25 dB(!). > > Finally, a well known but quick-&-easy workaround to the "CFC > clicking" problem is to simply use the RPTR's digital SPDIF output > which, from what I understand, bypasses the amplification stage as > well as the noisy circuitry. Of course, the caveat there is that you > actually have to have a mixing board or adapter to plug the digital > output *into*. > > Good luck with getting the noise tamed. I seem to have gotten lucky > with my RPTR, and don't seem to have the same level of noise you're > experiencing (but there is still some noise, though). I may send my > unit in to Peter for the mod anyway, just because I'm a fidelity > snob. ;) > > --m. > > -- > _______ > "Now Simulcast on Crazy People's Fillings" > > >