Search found 436 matches

by noddyspuncture
Sun Feb 28, 2021 4:24 pm
Forum: Modular Forum
Topic: Moog Model 10 voltage select question
Replies: 2
Views: 183

Re: Moog Model 10 voltage select question

My reissue System 15 has switchable mains voltage so I would assume the Model 10 should also.
Would make sense..?
by noddyspuncture
Sun Feb 14, 2021 5:36 pm
Forum: Modular Forum
Topic: Moog Model 10 Tuning and Warm Up Time
Replies: 21
Views: 1099

Re: Moog Model 10 Tuning and Warm Up Time

curious if anyone has improved the range switch circuits on the 901a's, to make them more accurate? The 'fixed control voltage' on the 901a is done with resistors whereas the 'frequency range' on the 901b is done with capacitors. The 901a should have quite accurate switching really... much better t...
by noddyspuncture
Sun Feb 07, 2021 1:46 pm
Forum: Modular Forum
Topic: Moog Model 10 Tuning and Warm Up Time
Replies: 21
Views: 1099

Re: Moog Model 10 Tuning and Warm Up Time

Probably normal... my 901's drift quite a lot, some of them more than others though. Their sound makes it totally worthwhile sticking with them and not upgrading to the 921's. I modified mine adding a front panel control in the place of the lower of the three inputs sockets on the 901a so I can basi...
by noddyspuncture
Mon Jan 25, 2021 4:04 pm
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

I have another video of some more progress with the Modular preset box I am building. On this video I'm doing a dual test - testing both the preset box controller, now installed in the case and also the power switching circuit on the breadboard to check if it will actually work with the controller. ...
by noddyspuncture
Wed Jan 20, 2021 6:37 pm
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

I just finished another part of the project today... It's the 'latching' control unit which I have just finished putting together for the Moog Modular preset box I am building. It will have eleven control lines coming in from the push-button unit. 10 outgoing lines will go to the 10 preset cards and...
by noddyspuncture
Wed Jan 06, 2021 7:55 am
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

Cool reverb :) May I ask another question? Did Bob keep the CA3019 based expo solution of the 901A when he transferred this to the 901B oscillator or did he change this to something like the heated transistor array solution like in the Mini then? No that diode array is bypassed - there is a tempco ...
by noddyspuncture
Tue Jan 05, 2021 8:32 am
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

Ok, but are they still in production or under copyright protection? These are basically copies of Emerson's Modular service manual with notes by Bob as he worked on it over the years, I suppose he also added the drawings for the new module modifications etc... Like I said, I was given them in confi...
by noddyspuncture
Sun Jan 03, 2021 8:03 am
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

I'd love to see pictures (and schematics of course). Why don't you run a web site? If I could I would post photos of my progress but as I noted earlier, this forum doesn't allow it. I have all the schematics and drawings and notes - they also include schematics of the revised 901A&B controller ...
by noddyspuncture
Sat Jan 02, 2021 3:45 pm
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

Ok. What are the voltage sources? All voltage sources are derived from within the preset box itself... in fact, each card provides different ones via the settings. Other variables, such as all the EG settings, and the resonance actually interface into each module directly. The CP3 mixer level setti...
by noddyspuncture
Tue Dec 29, 2020 4:18 pm
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Re: Building a preset box

How does it work? A selectable group of CVs connected to modules, especially like sequential switches etc.? No - nothing like that. There is what you could call a 'CV feed' to the node of the osc controllers for the fine tuning and also the node of the filter for fixed control voltage level - but t...
by noddyspuncture
Mon Dec 28, 2020 7:35 pm
Forum: Modular Forum
Topic: Building a preset box
Replies: 13
Views: 970

Building a preset box

Hi folks,

I'm currently building a 'preset box' based on the 1969 'Jazz In The Garden' designs for my Modular Moog's.
I'd like to share photos - pity the board doesn't allow it anymore.

:(
by noddyspuncture
Sat Dec 12, 2020 7:47 am
Forum: Modular Forum
Topic: 921B synch switch...
Replies: 3
Views: 334

Re: 921B synch switch...

till wrote: Sat Dec 12, 2020 6:27 am According to the vintage Moog Modular Owners Manual and the Frontplate (for left and right position) the positions are (left to right):
Weak - defeats sync - Strong
Thank you... :)
by noddyspuncture
Fri Dec 11, 2020 6:45 pm
Forum: Modular Forum
Topic: 921B synch switch...
Replies: 3
Views: 334

921B synch switch...

Hi folks, Question for anyone owning an original vintage 921B oscillator. I have the reissue System 15 and I noticed the synch switch has three positions. The service manual shows two positions WEAK & STRONG... it does not suggest a centre position. Can anyone please confirm for me that there sh...
by noddyspuncture
Thu Oct 08, 2020 8:36 pm
Forum: Modular Forum
Topic: 921: squeaking noise when moving range knob?
Replies: 3
Views: 417

Re: 921: squeaking noise when moving range knob?

I'd say it's normal. I'm not near my 15 at the moment but I know that the range knobs on vintage Minimoog's can exhibit that symptom. Those rotary switches have different characteristics... break before make, make before break etc... the electronics are experiencing these characteristics and respond...
by noddyspuncture
Fri May 22, 2020 1:16 pm
Forum: Moog Music General Topics Forum
Topic: Share your synthesizer music!
Replies: 1017
Views: 206265

Re: Share your synthesizer music!

We're playing ELP's 'Pictures At An Exhibition"...

https://www.youtube.com/watch?v=5SllziH ... CWii1rRDD0