I'm really interested in picking up a Voyager Old School once one shows up for a good price again (missed a few nice deals sadly.) However since I can't test first I have some questions.
1. On some other Voyagers the filter did not track the glide, so that even if the oscillators would take a few seconds to move from one note to the next, the filter jumped there right away. Is this fixed in the Voyager OS?
2. This seems obvious from the manual, but I read a post somewhere which seemed to contradict, so... When you assign, say, aftertouch to control the LFO depth, regardless of what the amount knob is set at, there should not be any modulation unless you actually trigger aftertouch, correct? Someone said it was always triggered on every key press which is not at all ideal...
3. What is the range of serial numbers affected by the faulty TI chip?
Thanks!
Some Voyager OS Questions
Re: Some Voyager OS Questions
Should be, I helped Moog developed that fix. It became a production mod shortly after that, which would had been long before the OS model.1. On some other Voyagers the filter did not track the glide, so that even if the oscillators would take a few seconds to move from one note to the next, the filter jumped there right away. Is this fixed in the Voyager OS?
The OS lacks the processor so it doesn't offer pot mapping. Has to be done through the mod buss. Moog did offer a modification to improve the aftertouch, not sure it is still available.2. This seems obvious from the manual, but I read a post somewhere which seemed to contradict, so... When you assign, say, aftertouch to control the LFO depth, regardless of what the amount knob is set at, there should not be any modulation unless you actually trigger aftertouch, correct? Someone said it was always triggered on every key press which is not at all ideal...
There has never been a list published.3. What is the range of serial numbers affected by the faulty TI chip?
Gear list: '04 Saturn Ion, John Deere X300 tractor, ganged set of seven reel mowers for 3 acres of lawn, herd of sheep for backup lawn mowers, two tiger cats for mouse population control Oh you meant MUSIC gear Oops I hit the 255 character limi
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Re: Some Voyager OS Questions
I believe the OP is referring to the standard Voyager where the shaping signal provides additional gain to the source signal. If the mod amount knob is set to 0 or the wheel/pedal is set at minimum then the shaping controllers have no affect, i.e. no modulation. Of course anything but 0 then you get modulation before the shaping control is initiated. Using the pot mapping mitigates this nicely.MC wrote:The OS lacks the processor so it doesn't offer pot mapping. Has to be done through the mod buss. Moog did offer a modification to improve the aftertouch, not sure it is still available.2. This seems obvious from the manual, but I read a post somewhere which seemed to contradict, so... When you assign, say, aftertouch to control the LFO depth, regardless of what the amount knob is set at, there should not be any modulation unless you actually trigger aftertouch, correct? Someone said it was always triggered on every key press which is not at all ideal...
The Voyager OS does not have this issue as the mod buses are not tied to the mod wheel or foot pedal. You don't have "shaping" signals, you just select a controller. Of course I've learned to live with my pot mapping addiction.
Re: Some Voyager OS Questions
Yes, this is what I meant. Someone in another thread I found had commented that their VOS was not behaving as you and the manual describe so just had to double check. All good then!Markyboard wrote: I believe the OP is referring to the standard Voyager where the shaping signal provides additional gain to the source signal. If the mod amount knob is set to 0 or the wheel/pedal is set at minimum then the shaping controllers have no affect, i.e. no modulation. Of course anything but 0 then you get modulation before the shaping control is initiated. Using the pot mapping mitigates this nicely.
The Voyager OS does not have this issue as the mod buses are not tied to the mod wheel or foot pedal. You don't have "shaping" signals, you just select a controller. Of course I've learned to live with my pot mapping addiction.
That is a bit concerning re: not having the serials. I guess it is better to look for the older units.
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Re: Some Voyager OS Questions
AFAIK there were 2 official emails from Moog regarding this issue. The first attempted to identify specific Voyager models and serial numbers. The second email basically bounded the issue to units produced between 2010 and 2013 as posted here: viewtopic.php?f=2&t=21943&start=15pcx9 wrote:
That is a bit concerning re: not having the serials. I guess it is better to look for the older units.
I’m still reading about related failures where Moog is covering this under warranty - one just last week. It almost seems like if any of these TI chips ever fail Moog will cover it. Because apparently other than this one bad batch these chips are indestructible
Hey I’m not complaining-damn nice of Moog. I do wonder if they’re replacing the entire analog board or just replacing the failed parts.
Last edited by Markyboard on Fri Aug 09, 2019 10:02 am, edited 1 time in total.
Re: Some Voyager OS Questions
This is correct. Of course the modulation only is activated after using the assigned controller (e.g. aftertouch or mod wheel).pcx9 wrote: 2. This seems obvious from the manual, but I read a post somewhere which seemed to contradict, so... When you assign, say, aftertouch to control the LFO depth, regardless of what the amount knob is set at, there should not be any modulation unless you actually trigger aftertouch, correct? Someone said it was always triggered on every key press which is not at all ideal...
Mine is serial no. 0573 and the previous owner of the synth actually had to change the mainboard because of the TI chip problem (broken oscillators). Since I got my OS in 2016 it works fine!pcx9 wrote: 3. What is the range of serial numbers affected by the faulty TI chip?
https://www.spektralfarben-music.com
KAWAI ES7, Uhl X3-2, Korg Kronos2-61, Nord Stage 3, Sequential Take 5, Nord Lead A1, Korg Pa3XLe.
KAWAI ES7, Uhl X3-2, Korg Kronos2-61, Nord Stage 3, Sequential Take 5, Nord Lead A1, Korg Pa3XLe.
Re: Some Voyager OS Questions
Early Voyagers - such as my SE - had sockets for the ICs.Nordlicht wrote:Mine is serial no. 0573 and the previous owner of the synth actually had to change the mainboard because of the TI chip problem (broken oscillators). Since I got my OS in 2016 it works fine!pcx9 wrote: 3. What is the range of serial numbers affected by the faulty TI chip?
Later models did not have IC sockets. Probably why the mainboard had to be swapped out.
Another tip: early Voyagers used polystyrene caps for the VCO timing caps. Later Voyagers substituted mylar caps - presto, instant tuning drift. I discovered this on my RME while diagnosing the tuning problem. Moog may have made the substitution due to supply issues - I could find no US source for 3900nf polystyrene caps, had to buy them from the UK. Once I replaced the caps with correct ones, tuning was much better.
Gear list: '04 Saturn Ion, John Deere X300 tractor, ganged set of seven reel mowers for 3 acres of lawn, herd of sheep for backup lawn mowers, two tiger cats for mouse population control Oh you meant MUSIC gear Oops I hit the 255 character limi
Re: Some Voyager OS Questions
There is a list: viewtopic.php?f=2&t=21943&p=139852&hilit=serial#p139850
http://audiotecna.info
T-III, Voyager, VX-351, Slim Phatty, Model D, Sub Phatty, Subsequent 37, Minitaur, all moogerfoogers and minifoogers, EW+, Theremini, Model 15, Filtatron, Animoog, Model D App, iOS 11 Mother-32, DFAM, Werkstatt, Win7, High Sierra
T-III, Voyager, VX-351, Slim Phatty, Model D, Sub Phatty, Subsequent 37, Minitaur, all moogerfoogers and minifoogers, EW+, Theremini, Model 15, Filtatron, Animoog, Model D App, iOS 11 Mother-32, DFAM, Werkstatt, Win7, High Sierra
Re: Some Voyager OS Questions
that is an interesting bit of info, about the caps affecting the OSC tuning! and the IC socketsMC wrote: ↑Tue Aug 13, 2019 2:56 pm
Early Voyagers - such as my SE - had sockets for the ICs.
Later models did not have IC sockets. Probably why the mainboard had to be swapped out.
Another tip: early Voyagers used polystyrene caps for the VCO timing caps. Later Voyagers substituted mylar caps - presto, instant tuning drift. I discovered this on my RME while diagnosing the tuning problem. Moog may have made the substitution due to supply issues - I could find no US source for 3900nf polystyrene caps, had to buy them from the UK. Once I replaced the caps with correct ones, tuning was much better.
Bichuelo, I thought I had seen a list of affected serials but couldn't find it in a search. thx for the link!