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Building your own stompbox / Re: CE(FJ)-1 Chorus
« Last post by Scruffie on Yesterday at 04:22:08 PM »
I love this trend (if trend it be) of re-creating/re-imagining classic circuits of yore with obtainable parts and modern performance (e.g. Thomeque's and others' Electric Mistress work, Ripthorn's PT2399 based Echorec emulation, etc.). I'm not prepared to go down the rabbit hole of faithful reproduction of those circuits, and sure as heck wouldn't shell out for an original, but the idea of a workable near approximation is thoroughly appealing. Nice work, Scruffie, and thanks for sharing!
Exactly my thoughts on the matter, there's definitely a place for both but if you can ignore the metaphorical headstock, a Squier can be just as nice as a Fender and as long as it gives the same 'feel' I don't think the crowd is going to notice which guitar you've got or chip you've put in the box. Well, they probably wont notice much of anything for the time being...
Building your own stompbox / Re: Input to IcePower module
« Last post by marcelomd on Yesterday at 04:19:21 PM »
The idea of an ultra clean power amp with a clipping preamp is nice. I actually do it with my guitar rig. A Mesa V Twin tube preamp into a cheap TPA3118 amp module. Sounds awesome.

My main objective with this input thingy (and it's associated clipper/limiter) is just not to fry the inputs of the expensive IcePower module. A preamp with distortion and eq is in the works =)

I'll simulate the suggested clipper as soon as I can.

Building your own stompbox / Re: CE(FJ)-1 Chorus
« Last post by Scruffie on Yesterday at 04:13:19 PM »
The XVIVE website says that there are no more chips.
Where? I can't see that on the site?

I see them for sale on Smallbear, Banzai, Cabintech and even Reverb... and if you can find an MN3002 for $10 I'd like to know where ;)

Thanks for sharing Scruffie and we are waiting for pcb : :icon_cool:
Yeah, where is that Scruffie guy anyway!?  :icon_mrgreen:

Building your own stompbox / Re: Another Amp In A Box
« Last post by ElectricDruid on Yesterday at 04:06:03 PM »
Why do you think there are no successful commercial op amp products?

I think your first premise is deeply flawed.

Building your own stompbox / Re: DOD Stereo Chorus FX60 - weak effect?
« Last post by ElectricDruid on Yesterday at 03:57:55 PM »
Odd that they only use one of the delayed outputs from the MN3007. Don't most Chorus circuits sum the outputs?

That looks like a deliberate error to screw up copyists to me. It'll massively increase clock noise and anyone with half a brain would avoid doing it like that. So anyone who's stealing your circuit but doesn't know what they're doing will find the result unusable and won't know why.
I'd expect the PCB is as-per the MN3007 datasheet.
Building your own stompbox / Re: CE(FJ)-1 Chorus
« Last post by POTL on Yesterday at 03:56:43 PM »
Poor Scruffie...

What changes would be needed to use the MN3207 instead?
I really don't think it's suited to the MN3207... that sounds like a whole new design. But as Fender3D said, using a voltage converter for the clock pulses and then you'd almost certainly want to reduce the input gain (@R40).

Xvive produce the MN3007 again now, so it shouldn't be too hard to source.

The XVIVE website says that there are no more chips, the dealership price is about $ 10 for one.
Many suppliers do not have them or they are running out.
Are you sure XVIVE is re-releasing again? If you look at the guts of boutique pedals, then everyone has Cool Audio, crop manufacturers like MXR and BOSS also have Cool Audio, maybe only EHX uses MN3007 / 3008/3005, but only puts them in the most expensive projects, in other pedals it's 3207 / 3208/3205.

Building your own stompbox / Another Amp In A Box
« Last post by POTL on Yesterday at 03:44:34 PM »
Amplifiers in the box are my favorite type of effector, I've tried many circuits and have come up with and continue to come up with new ones.
But I have always avoided operational amplifiers.
The reason was that many of the popular circuits of the last century sounded boring and unpleasant (to my taste), all these classic numerous effects of distortion and overdrive.
Not so long ago I came across BAJAMAN projects and got acquainted with Dave Friedman's products, which interested me.

I noticed that besides Friedman and REVV, no one else makes commercial amps in the box (maybe tech 21, but I didn't like them).
Operational amplifiers allow you to simulate the frequency response of a tube amplifier in full, frequencies are easier to pick up than on a MOSFet, and they do not need to be tuned like in a JFET, and they do not turn into history like a JFET.
Why do you think there are no successful commercial op amp products?
Has anyone tried such effects?
I only have 2 thoughts on this
1) Op amps may sound rougher than transistors due to a different form of clipping (but this can be corrected with diodes)
2) This is a tribute to trends and the reluctance of manufacturers to come up with something else while being able to use ready-made solutions.

Digital & DSP / Re: Line6 Tonecore module repair
« Last post by daxproduck on Yesterday at 03:31:02 PM »
I've got a dead echo park.  No signal, even in bypass.  Dock works with my compressor module so I'm pretty convinced its the actual module.

Led flashes green-red-red when you stomp it.  Then nothing.  Would love to get that schematic!!
Building your own stompbox / Re: GGG ITS8 help
« Last post by Govmnt_Lacky on Yesterday at 02:37:03 PM »
Just noticed that you have yet to post up some voltage readings from the IC (4558 I presume)

Can you do that?
Building your own stompbox / Re: GGG ITS8 help
« Last post by Phoenix60 on Yesterday at 02:27:59 PM »
From SmallBear. 3mm red diffused.  LED T-1
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