Search found 2884 matches

by Dave Peck
Sat Oct 24, 2020 1:20 pm
Forum: Eurorack Modules
Topic: What do I need to switch between CV (modulation) sources going to a single CV input?
Replies: 23
Views: 364

Re: What do I need to switch between CV (modulation) sources going to a single CV input?

A crossfader module can be used as a VC Switch to select between two different signal sources and send them to one destination. Just control it with an instantaneous on/off logic or gate signal instead of a slowly varying CV signal. Works great, and it's more versatile than a CV switch.
by Dave Peck
Sat Oct 24, 2020 1:10 pm
Forum: Modular Synth General Discussion
Topic: Multi-Stage Envelope Generation
Replies: 4
Views: 147

Re: Multi-Stage Envelope Generation

Other than using a dedicated multi-segment EG, like a Universal Event Generator, there are a few 'DIY' tips: 1. A sequencer and a CV slew limiter - Use the first row to set the heights of the 'stages' and patch this first row output through a CV slew limiter. use the second sequencer row as the CV i...
by Dave Peck
Fri Oct 23, 2020 6:04 pm
Forum: 5U Format Modules
Topic: Trying to get Emo's trademark sounds on Modular Moog..
Replies: 8
Views: 210

Re: Trying to get Emo's trademark sounds on Modular Moog..

As a former prog rock live modular synth player myself, I can appreciate what goes into this. (my rig was a custom "frankensynth" - a modified Arp Odyssey with patch points, grafted onto a Serge modular, played live with no presets like you are doing). Well done!!
by Dave Peck
Fri Oct 23, 2020 5:56 pm
Forum: Eurorack Modules
Topic: New intellijel 1u midi
Replies: 19
Views: 693

Re: New intellijel 1u midi

Aww. It's adorable!
by Dave Peck
Fri Oct 23, 2020 2:14 pm
Forum: General Gear
Topic: Claravox theremin
Replies: 12
Views: 364

Re: Claravox theremin

That's a classy looking theremin. Nice features, too!
by Dave Peck
Fri Oct 23, 2020 12:43 pm
Forum: Eurorack Modules
Topic: The PERFECT Knob torque
Replies: 40
Views: 707

Re: The PERFECT Knob resistance

What you are referring to is called potentiometer damping. Potentiometer manufacturers will often offer their parts with a a few options for the amount of damping. The 'feel' is therefore not a direct indication of part quality because the exact same part can be made with 'loose' or 'tight' damping ...
by Dave Peck
Wed Oct 21, 2020 3:07 pm
Forum: Music Tech DIY
Topic: Phaser Design
Replies: 19
Views: 477

Re: Phaser Design

Nice! Did it have any feedback or phase options? I found interest in adding or subtracting the phase signal - also noted that the phase of feedback mattered & was dependent on the phase of the wet signal. I might well put in switching between 4 & 6 stages because 6 is powerful - https://bugbrand.ba...
by Dave Peck
Wed Oct 21, 2020 1:21 pm
Forum: Eurorack Modules
Topic: What VCO to recreate Arp sound?
Replies: 37
Views: 2272

Re: What VCO to recreate Arp sound?

Hello.. no I didn’t try the Whiteface, this seems to be a clone of the Oddy filter, I was only interested in the 2600 (and perhaps 2500, for that matter).. @boubi, interesting insight about the heritage of the early Arp and the SEM filters .. the overall sound of the 2600 and SEM seems to be rather...
by Dave Peck
Tue Oct 20, 2020 11:39 pm
Forum: 5U Format Modules
Topic: attenuating patch cables?
Replies: 8
Views: 213

Re: attenuating patch cables?

I was just sent links to the threads I discussed above about the nifty patch cords with built-in attenuators.

info is here: viewtopic.php?f=24&t=75066

and here: viewtopic.php?f=17&t=170065&p=2365330

Pretty neat, huh?
by Dave Peck
Tue Oct 20, 2020 3:25 pm
Forum: General Gear
Topic: Arp 2800 keyboard bed
Replies: 3
Views: 143

Re: Arp 2800 keyboard bed

If the keys are working but the oscillators are not playing the correct pitch, it probably has nothing to do with the keyboard. It is much more likely that the two oscs just need to be calibrated so they track the keyboard accurately. This is what the little trim pots are for, located on the front p...
by Dave Peck
Tue Oct 20, 2020 1:27 pm
Forum: 5U Format Modules
Topic: attenuating patch cables?
Replies: 8
Views: 213

Re: attenuating patch cables?

The neatest version of this idea that I have seen posted here was a modified patch cord - It had a 1/4" plug with a metal housing that had been modified to include a tiny pot inside the housing, with the knob sticking out on the end of the plug where the cable would normally exit the housing, and a ...
by Dave Peck
Mon Oct 19, 2020 10:13 pm
Forum: General Gear
Topic: Arp 2800 keyboard bed
Replies: 3
Views: 143

Re: Arp 2800 keyboard bed

Do you mean the Arp Odyssey? There were three different versions and they did not all have the same type of keyboard. Each type had it's own set of issues. What do you mean by 'keyboard bed issue'? Are you referring to the keyboard bushings, which tend to fall apart over time, causing a loud CLACK s...
by Dave Peck
Mon Oct 19, 2020 6:59 pm
Forum: Eurorack Modules
Topic: Odd problem, rack screw rust out of nowhere?!
Replies: 17
Views: 443

Re: Odd problem, rack screw rust out of nowhere?!

It all depends on the type of plating/finish that was applied to those screws. Some types will resist rust and corrosion far better than others.
by Dave Peck
Mon Oct 19, 2020 6:47 pm
Forum: 5U Format Modules
Topic: My oscillators are bullies
Replies: 15
Views: 449

Re: My oscillators are bullies

Ahh, just throw a heavy chorus delay on the final output and you won't notice these things anymore. :sarcasm: Ha! Actually you make a point. I have sometimes wondered if I really need to be going to all of the hassle of ensuring all of my oscs have perfect tracking over seven octaves when I nearly ...
by Dave Peck
Mon Oct 19, 2020 4:23 pm
Forum: Music Tech DIY
Topic: Anyone recommend a US source of reasonably priced tants?
Replies: 11
Views: 220

Re: Anyone recommend a US source of reasonably priced tants?

Looking for 35V and 50V tants. Mouser and DigiKey have them but they are priced at $4-5 each for 10u and above. AllElectronics don't seem to have anything above 25V. I nearly always get the best results by using Octopart.com. If you just want to find stock at the best price it helps if you have alr...
by Dave Peck
Mon Oct 19, 2020 4:15 pm
Forum: 5U Format Modules
Topic: My oscillators are bullies
Replies: 15
Views: 449

Re: My oscillators are bullies

Okey, not sure I have that time, but I´ll try to wait a bit longer from now on. Perhaps I should squeeze in all oscillators in the two power supply cabinets then? Do you have some cabinets that do NOT have power supplies in them? (i.e. powered from another cabinet, or from some other external P/S d...
by Dave Peck
Mon Oct 19, 2020 2:39 pm
Forum: Eurorack Modules
Topic: Inverted gates?
Replies: 8
Views: 181

Re: Inverted gates?

When the gate is inverted, does it go negative, or just low? If it is a logic module, it SHOULD convert it to a signal that stays high (+5V) and goes low (zero) when the gate occurs. This is different from the way a standard analog signal processor's inverter section would behave, which should make...
by Dave Peck
Mon Oct 19, 2020 2:31 pm
Forum: General Gear
Topic: Dave Smith hints at Sequential Prophet 5 Rev4/Prophet 10
Replies: 404
Views: 21675

Re: Dave Smith hints at Sequential Prophet 5 Rev4/Prophet 10

Dave Smith just did an interview saying the desktop versions are on the way! https://www.synthanatomy.com/2020/10/sequential-teases-prophet-5-prophet-10-desktop-synthesizers.html :cloud: :cloud: :cloud: From that article: “ According to Dave Smith, the new Sequential Prophet-5 and Prophet-10 deskto...
by Dave Peck
Mon Oct 19, 2020 2:06 pm
Forum: Modular Synth General Discussion
Topic: Worth getting a case for semi-modulars?
Replies: 5
Views: 163

Re: Worth getting a case for semi-modulars?

I think mounting a semi modular in a Euro case and adding various euro modules to compliment it is a really good way to start building a system, assuming the semi modular has a decent amount of patch points. So something like the Harmonicon or maybe a Behringer Neutron would be a good choice for thi...
by Dave Peck
Mon Oct 19, 2020 1:54 pm
Forum: 5U Format Modules
Topic: My oscillators are bullies
Replies: 15
Views: 449

Re: My oscillators are bullies

I have found that I need to wait a lot longer than ten minutes to ensure that all of my oscs are stable. This is partly due to the circuitry within the oscs warming up to normal operating temp, and partly due to the way the large linear power supplies inside the various cabinets gradually warm up th...
by Dave Peck
Mon Oct 19, 2020 12:51 pm
Forum: Eurorack Modules
Topic: Inverted gates?
Replies: 8
Views: 181

Re: Inverted gates?

There are some logic modules that will do this, or you could just use a standard signal processor module - first, invert the gate, so it now goes from 0V to -5V instead of 0V to +5V. Then, add a +5V DC offset, so now it stays "high" at 5V, and drops to 0V when the gate happens.
by Dave Peck
Sat Oct 17, 2020 5:03 pm
Forum: Eurorack Modules
Topic: Calibrate Plaits?
Replies: 9
Views: 226

Re: Calibrate Plaits?

... because he already has something that can be set to output specific voltages, instead of trying to guess which C note on a keyboard or whatever is putting out 1V.... For others who may be reading but don't have an O & C module, you can quickly tell which note on the keyboard is outputting zero ...
by Dave Peck
Fri Oct 16, 2020 8:26 pm
Forum: Eurorack Modules
Topic: Calibrate Plaits?
Replies: 9
Views: 226

Re: Calibrate Plaits?

If you are trying to calibrate the pitch tracking of the Plaits module, I assume you must have some device that you plan to use for sending standard 12 steps per octave CV signal to the Plaits. Why not just use that? Do you have a 1V per octave keyboard? Or a midi keyboard and midi to CV converter? ...
by Dave Peck
Thu Oct 15, 2020 1:41 pm
Forum: Eurorack Modules
Topic: plz bless me w/ ur wisdom veteran wigglers (build critique)
Replies: 21
Views: 528

Re: plz bless me w/ ur wisdom veteran wigglers (build critique)

It is highly likely that you do NOT need an audio interface module. Just take your final output from whatever is last in the audio chain - a VCA, a mixer module, etc.
by Dave Peck
Thu Oct 15, 2020 12:47 pm
Forum: 5U Format Modules
Topic: 5U sounding Oscillator, not in 5U format?
Replies: 31
Views: 655

Re: 5U sounding Oscillator, not in 5U format?

I've always loved the sound of 5U modular. I'm guessing it's the higher voltage used that makes it sound beefier than stuff I hear from Eurorack. I have a Eurorack setup because it's as compact as I want it to be, but I've wanted to get a small 5U system because I really love the sound of a lot of ...

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