That’s cool! I’m pretty new to radio stuff myself, and from what I’ve read there’s a lot less out there compared to the 90’s and earlier, but I’ve still been able to find some interesting things. Lots of international stuff, aircraft and military communications, the occasional radio pirate. And of course the infamous numbers stations that still go out on a regular basis. It’d be so awesome to have a module based receiver that could tune into all that and be sequenced and stuff.

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It’s a very cool idea, but I’m not seeing any advantage to having the radio in your rack, unless you’re a purist about aleatory processes. How would racking the radio give any advantage over a recording off the air that you then play back into the rack?

I see that the Doepfer A-100 Basic System does not have many attenuators, why? Can any of its modules be used as attenuators or do I need to buy some? I bought an intellijel quad vca to be able to do that, but I am realising that maybe I need more! What do you think?

Several of the modules have CV input attenuators, don’t they?

These inline volume controls work well as attenuators when you don’t have room in your case for another module:

https://www.amazon.com/gp/product/B00Y1MYSYW/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

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does the fact that it’s a stereo cable impact the signal in any meaningful way?

Good question! I never even noticed that it was stereo until you mentioned just now. I plug my patch cables in and it attenuates. It’s not a high quality piece of equipment but it does the job when you don’t have rack space for an attenuator module.

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I use these for inline attenuation. They are also splitters and mixers. Super handy.

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Yes, but you need attenuators to control the amplitude of the signals coming in, not just the amount coming in

Isn’t the amount of the signal the same as the amplitude of the signal.

Yes, definitely :slight_smile: I realized after the comment how stupid was my comment…I got confused because if you plug (for example) an LFO straight into a VCO or VCF frequency you cannot control the amplitude, but the doepfer modules usually have another input dedicated just to CV input with attenuation…the problem is that I have other non-Doepfer modules which need attenuation

By the way, to close the topic on attenuation, here is what I just bought, maybe it could be interesting for you guys as well:

https://koma-elektronik.com/?product=koma-5-pack-attenuator-cable

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FYI these are often mentioned as well, I don’t have any experience with them myself so can’t comment on how well they work http://ljunggrenaudio.com/products/airtenuator.html

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These seem to be impossible to find

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Yeah, that’s true unfortunately.

I didn’t have much luck with the Koma attenuators. The quality of the pots isn’t very good IMHO and they feel overall like they’re going to break, although mine haven’t for the small amount I’ve used them.

RYO airtenuators are hard to find, especially prebuilt. I was able to score two of them, wanted a few more and never could before giving up.

The Boredbrain Splix are interesting, though as an audio crossfader the “mix” isn’t super clean and the two waves interact oddly.

At some point though I decided I just wanted all my attenuation in the rack anyway. 2HP Trim is pretty handy, as is Shades. Usually I iforget the attenuverter channels on Maths unless it’s part of a bigger Maths patch, for whatever reason.

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It doesn’t necessarily have to be racked, but what I would want is voltage control over the radio’s parameters so it can be manipulated in real time along with whatever else is going on in a patch. So that could be a desktop unit as well, but having it be rackable cuts down on studio clutter which would be nice.

I’ve got three of them and they’re awesome! But yeah I don’t think you can get them anymore.

I don’t have one yet…but it seems really good for the price :

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As far as attenuators in the rack - I just added the Zlob Modular MiniAtt and it’s really great. 2 channels of attenuation with mutes for each channel and a sum out in 2hp. The mute switches and sum out make it much more useful than a standard attenuator and it’s only a few bucks more.

https://zlobmodular.com/product/mini-att/

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