Search found 761 matches

by Jaytee
Mon Oct 26, 2020 8:10 am
Forum: Music Tech DIY
Topic: MIDI -> CV DAC Chips
Replies: 39
Views: 9414

Re: MIDI -> CV DAC Chips

Y’all are answering questions asked almost a decade ago...
by Jaytee
Sat Oct 24, 2020 8:34 am
Forum: Eurorack Modules
Topic: The PERFECT Knob torque
Replies: 49
Views: 967

Re: The PERFECT Knob torque

Also. First person to release a big tuner-style flywheel knob for eurorack will be rich.
by Jaytee
Sat Oct 24, 2020 8:33 am
Forum: Eurorack Modules
Topic: The PERFECT Knob torque
Replies: 49
Views: 967

Re: The PERFECT Knob resistance

Resistance is an electrical term, the word the OP is looking for is "torque" Not to be that guy, but isn't torque by definition the force that is applied? As opposed to the mechanical resistance the pot exhibits? Resistance is a physical property, not an electrical one specifically, IE. Laminar flo...
by Jaytee
Fri Oct 23, 2020 3:53 pm
Forum: Music Tech DIY
Topic: Another little somthing I've been working on: DR110 inspired 6 voice drum module
Replies: 59
Views: 1532

Re: Another little somthing I've been working on: DR110 inspired 6 voice drum module

O Hat and C Hat, perhaps?

I also didn’t mind OH and CH, pretty familiar from the x0x drum machines.
by Jaytee
Fri Oct 23, 2020 1:50 pm
Forum: Music Tech DIY
Topic: RE-606
Replies: 11
Views: 531

Re: RE-606

Hmm, honestly don’t know. Have you gotten in touch with sunfl0wr? Or maybe post in the buy/sell/trade section of the forum or in the Facebook group asking for a pre-programmed pixie?
by Jaytee
Fri Oct 23, 2020 11:50 am
Forum: Music Tech DIY
Topic: RE-606
Replies: 11
Views: 531

Re: RE-606

Purveyor2 wrote:
Fri Oct 23, 2020 10:07 am
I still can’t get my pixie to work right. Let me know if you get yours working. Thx.
My 303 pixie worked on the first try. Have you posted on the forum? What are your symptoms?
by Jaytee
Wed Oct 21, 2020 7:13 pm
Forum: Music Tech DIY
Topic: RE-606
Replies: 11
Views: 531

Re: RE-606

Still working on it! I only get to work on synthDIY about once a week, and the last few weeks have had quite a few non-synth errands and projects that needed getting done. Finished the 303 about a month ago. The 606 has all resistors, diodes and capacitors installed. Hope to do the transistors next ...
by Jaytee
Fri Oct 16, 2020 2:16 pm
Forum: Music Tech DIY
Topic: TTSH Ver.3 (rev.8) General build thread
Replies: 2031
Views: 118847

Re: TTSH Ver.3 (rev.8) General build thread

I kept bending mine over the last few years and the legs started looking wonky, so am just going to replace it. I unfortunately closed up the panel + pcb, but remember that there's an indication on there for the length (and that it's for a 3mm LED)... know it's not necessary, but feeling like going...
by Jaytee
Thu Oct 15, 2020 12:13 pm
Forum: Music Tech DIY
Topic: TTSH Ver.3 (rev.8) General build thread
Replies: 2031
Views: 118847

Re: TTSH Ver.3 (rev.8) General build thread

For the power LED? I don’t believe I used any kind of standoff.
by Jaytee
Tue Oct 13, 2020 11:51 am
Forum: Music Tech DIY
Topic: static electricity hazard in upholstering a wooden eurorack case?
Replies: 7
Views: 227

Re: static electricity hazard in upholstering a wooden eurorack case?

Should be fine. Most modern components are relatively static resistant, and even more so when they’re installed in a circuit board. Can’t imagine your synth enclosure posing significantly greater risk than, say, carpet or a sweater.
by Jaytee
Mon Oct 12, 2020 7:03 pm
Forum: Music Tech DIY
Topic: TTSH Ver.3 (rev.8) General build thread
Replies: 2031
Views: 118847

Re: TTSH Ver.3 (rev.8) General build thread

I don’t know anything about the original 2600, but the documentation for the TTSH has the headphone jack cut the speakers and use the power amps to drive the headphones. Also means that if you plug a mono cable into the headphone jack, you blow one of the power amps by shorting it to ground. :/ V3 u...
by Jaytee
Mon Oct 12, 2020 8:40 am
Forum: Music Tech DIY
Topic: TTSH Ver.3 (rev.8) General build thread
Replies: 2031
Views: 118847

Re: TTSH Ver.3 (rev.8) General build thread

Not sure about 1 or 2, but for 3 it seems very likely that it’s the speaker itself, something directly around the speaker. AFAIK, there is no extra circuitry for the headphones; it’s literally just a switched jack that cuts signal to the speakers and drives headphones with the same amps that the spe...
by Jaytee
Sat Oct 10, 2020 6:10 pm
Forum: Music Tech DIY
Topic: RE-303 VCO Bleed
Replies: 19
Views: 267

Re: RE-303 VCO Bleed

Heyyyy! Congrats! We were talking through this on Facebook but I haven’t been on there for awhile so I’m glad to hear you got it figured out! Sometimes you gotta make things worse before you can make them better ;)
by Jaytee
Mon Oct 05, 2020 11:54 am
Forum: Music Tech DIY
Topic: Duplicating old PCBs... strategies? tips?
Replies: 14
Views: 515

Duplicating old PCBs... strategies? tips?

This is probably a bit niche but I know a few folks have experience with this...and maybe some folks with general experience want to share how they *would* go about it. Let’s say I want to replicate a board from a vintage synth. What’s the best way to go about it? Do you desolder everything and scan...
by Jaytee
Sun Oct 04, 2020 2:12 pm
Forum: Music Tech DIY
Topic: Voice Chips for Juno-106, HS-60, GR-700 and MKS-30
Replies: 19
Views: 544

Re: Voice Chips for Juno-106, HS-60, GR-700 and MKS-30

guest wrote:
Sun Oct 04, 2020 11:41 am
thanks jaytee, but this thread is all dksynth!
8-) :lol: yup, you’re right. Great work dksynth then!!! The diy scene lives and breathes on projects like this.
by Jaytee
Sun Oct 04, 2020 11:29 am
Forum: Music Tech DIY
Topic: Voice Chips for Juno-106, HS-60, GR-700 and MKS-30
Replies: 19
Views: 544

Re: Voice Chips for Juno-106, HS-60, GR-700 and MKS-30

Amazing work as always, guest. Thank you for all you do for the community.
by Jaytee
Thu Oct 01, 2020 5:24 pm
Forum: Music Tech DIY
Topic: TTSH Ver.3 (rev.8) General build thread
Replies: 2031
Views: 118847

Re: TTSH Ver.3 (rev.8) General build thread

Finally ready to wrap everything up. For those of you with metal Synthcube cases, where are you mounting the Power PCB? Is there a nice spot on the main PCB? I don't see screw holes for that on the case. Looks like I could drill new holes in the bottom of the case, and then mount it. IIRC the mount...
by Jaytee
Thu Oct 01, 2020 11:36 am
Forum: Music Tech DIY
Topic: MC 202 Repair Tips: Sub Osc not working
Replies: 40
Views: 303

Re: MC 202 Repair Tips: Sub Osc not working

One thing to note, I know the SH-101 can be a bit finicky about which specific 4013 you use—I think the 202 uses the same exact circuit but haven’t actually checked. In any case, if you use a 4013 that the circuit doesn’t like, you should still get signal, unlike your current situation, but your -2o...
by Jaytee
Thu Oct 01, 2020 11:32 am
Forum: Music Tech DIY
Topic: Fav technique for washing water soluble flux?
Replies: 11
Views: 214

Re: Fav technique for washing water soluble flux?

I use tap water. Either run it under the sink or fill up the sink and dunk. Or, in the case of my TTSH, fill up the bathtub. I use water that’s just about as hot as is comfortable to have my hand in. No issues with hard water, I give the boards a decent shake and slap to get rid of most of the water...
by Jaytee
Tue Sep 29, 2020 10:30 am
Forum: Music Tech DIY
Topic: xicon minimum order on Mouser
Replies: 23
Views: 498

Re: xicon minimum order on Mouser

I’ve always found it cheaper and easier to buy resistors at Tayda. Even with the minimum order of ten resistors and the added shipping cost of buying from a second shop, it still usually comes out cheaper than buying from Mouser. As for the added waste of buying resistors in small quantities... I du...
by Jaytee
Tue Sep 29, 2020 10:15 am
Forum: Music Tech DIY
Topic: MC 202 Repair Tips: Sub Osc not working
Replies: 40
Views: 303

Re: MC 202 Repair Tips: Sub Osc not working

First off, if you don’t have much experience with DIY/repair, be very careful and consider taking your 202 to an actual synth technician. The PCBs Roland used in this era are notoriously poor quality and there’s a tendency for copper pads to get pulled off, boards to crack, etc. Next...you only meas...
by Jaytee
Mon Sep 28, 2020 4:29 pm
Forum: Music Tech DIY
Topic: Modding a Lexicon Vortex for less noise - worth it?
Replies: 12
Views: 386

Re: Modding a Lexicon Vortex for less noise - worth it?

From the first google result: https://www.synthxl.com/wp-content/uplo ... manual.pdf

Scroll all the way down to the last few pages.
by Jaytee
Mon Sep 28, 2020 5:37 am
Forum: Music Tech DIY
Topic: Modding a Lexicon Vortex for less noise - worth it?
Replies: 12
Views: 386

Re: Modding a Lexicon Vortex for less noise - worth it?

Schematics are posted all over; just run a google search for “lexicon vortex service manual.”

Someone else here on Muff’s has an encoder repair kit for sale, but I forget their user name.
by Jaytee
Sat Sep 26, 2020 9:18 am
Forum: Music Tech DIY
Topic: electronotes/musical engineer's handbook/pcc pdfs
Replies: 138
Views: 12623

Re: electronotes/musical engineer's handbook/pcc pdfs

Bernie owes us nothing. He has done far more for electronic music than electronic music has done for him. If he wants to retain Electronotes as his property, that’s his right. Leave him alone. Nobody’s rights are being infringed upon by this thread, and everyone participating—including Bernie—is do...
by Jaytee
Sat Sep 26, 2020 8:48 am
Forum: Music Tech DIY
Topic: Modding a Lexicon Vortex for less noise - worth it?
Replies: 12
Views: 386

Re: Modding a Lexicon Vortex for less noise - worth it?

I would be surprised if this did anything to significantly reduce the noise floor.......but I’m curious about your results if you try it.

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