Taperssection.com
Gear / Technical Help => Recording Gear => Topic started by: fozzy on August 24, 2005, 11:47:11 AM
-
Copied from another newsgroup:
Attention R4 owners. Edirol has just issued a recall on R4 with serial
numbers from ZT10100 to ZT61369. If you own an R4 that falls between
these serial numbers, you can contact Edirol directly, and they will
issue a call tag for your machine, and they will fix the problem.
The phase on input 4 was reversed.
-
hey - that was spotted by boogie wasn't it?
-
hey - that was spotted by boogie wasn't it?
I believe so in some of his comparisons
-
and they told me it was a single unit...
:)
-
Copied from another newsgroup:
Attention R4 owners. Edirol has just issued a recall on R4 with serial
numbers from ZT10100 to ZT61369. If you own an R4 that falls between
these serial numbers, you can contact Edirol directly, and they will
issue a call tag for your machine, and they will fix the problem.
The phase on input 4 was reversed.
fozzy, can you point me/us to this other newsgroup? always looking for more threads on the R-4.
thanks.
-
Copied from another newsgroup:
Attention R4 owners. Edirol has just issued a recall on R4 with serial
numbers from ZT10100 to ZT61369. If you own an R4 that falls between
these serial numbers, you can contact Edirol directly, and they will
issue a call tag for your machine, and they will fix the problem.
The phase on input 4 was reversed.
fozzy, can you point me/us to this other newsgroup? always looking for more threads on the R-4.
thanks.
This was from rec.arts.movie.production.souond (RAMPS) but "Copied from another newsgroup: " was in the post as well so I am not sure of the original source.
-
Copied from another newsgroup:
Attention R4 owners. Edirol has just issued a recall on R4 with serial
numbers from ZT10100 to ZT61369. If you own an R4 that falls between
these serial numbers, you can contact Edirol directly, and they will
issue a call tag for your machine, and they will fix the problem.
the phase on input 4 was reversed.
fozzy, can you point me/us to this other newsgroup? always looking for more threads on the R-4.
thanks.
This was from rec.arts.movie.production.souond (RAMPS) but "Copied from another newsgroup: " was in the post as well so I am not sure of the original source.
thanks man. +t
-
hi. i sent my r4 into edirol today, and figured this was worth mentioning:
it was confirmed for me that *every* one of the units within that range of serial numbers has the issue on input #4, so plan accordingly.
they pay shipping both ways, UPS two-day to bellingham WA. i was told at most it would take 14 days, but when pressed, the tech told me they turn everything around within 3 days of receiving... the rest is up to shipping lag times.
SO... anyone else taking their r4 to ACLfest? ship it tomorrow and you're good to go. ;D
how many folks on this board have r4 units anyway? just curious. ted at edirol told me there were less than 1000 in circulation.
-
Thanks for the heads up. I called Edirol today and they have issued a UPS Call Tag that should arrive on the 6th. They also confirmed a 48 hour turn around on this fix. Glad there is a break in the Crowes tour next week!
-
my r4 came back today. roundtrip to bellingham, WA in seven days.
w0rd to edirol! >:D
-
I just got an R-4 and noticed that the serial number happens to fall under those affected by the phase inversion. So, I've contacted Edirol about getting this fixed. They don't want to pay for the shipping to them, just the free fix and shipping from Edirol back to me. They state that they are treating this as a warranty issue and not a product recall. Did everyone here get their shipping to Edirol paid for? Anyone have a contact at Edirol I should ask for?
-
I just got an R-4 and noticed that the serial number happens to fall under those affected by the phase inversion. So, I've contacted Edirol about getting this fixed. They don't want to pay for the shipping to them, just the free fix and shipping from Edirol back to me. They state that they are treating this as a warranty issue and not a product recall. Did everyone here get their shipping to Edirol paid for? Anyone have a contact at Edirol I should ask for?
Huh. Mine falls in the affected range, too. I just checked and it looks like they fixed the problem on my unit. Channels 3 and 4 are in phase with one another. So, check yours - it's possible they fixed it before shipping (as seems the case with mine).
If your phase is inverted between ch 3 and 4, I'd bump it up the chain of command until you find someone who will pay for shipping. Since they've known about this problem since 9/1/2005, it's their screw up for shipping a known-defective unit. But hopefully yours is fixed, like mine. Let us know.
From Edirol's FAQ Search (http://www.edirol.com/faqsys/faq_search_rca.html) (keyword: phase):
When recording with my R4, I noticed that the phase is inverted between channels 3 and 4 through the XLR inputs. What causes this? (submitted 9/1/2005)
R-4 recorders with serial numbers between ZT10100 to ZT61369 may have an incorrect phase during recording. If you own an R-4 with such issue, we can upgrade it or replace it for free. Please contact us immediately at 360 594 4276 x 2 for details and immediate service.
I'm going to check the relative phase across -all- channels later this afternoon, just in case.
-
Good call, Brian. I just fed the R-4 a sine wave into inputs 3 and 4. The recorded file is identical in both channels. That means we're in phase, correct?
-
I vaguely remember someone talking about this problem a while back and how they got it fixed by sending it back in. Considering that I had just bought an R4 at that point, I got paranoid and checked it myself on my unit. Thing is I only vaguely remember that whole scenario and I have no idea what my serial was. So, tonight, when I get home I'll check again and report back on my phase and serial number...
-
Good call, Brian. I just fed the R-4 a sine wave into inputs 3 and 4. The recorded file is identical in both channels. That means we're in phase, correct?
Yup. If 3 and 4 were out of relative phase, you'd see one channel (+) where the other's (-), and (-) where the other's (+). It's immediately noticeable when viewing a sine wave.
-
Good call, Brian. I just fed the R-4 a sine wave into inputs 3 and 4. The recorded file is identical in both channels. That means we're in phase, correct?
Yup. If 3 and 4 were out of relative phase, you'd see one channel (+) where the other's (-), and (-) where the other's (+). It's immediately noticeable when viewing a sine wave.
Assuming, of course, that the stereo sine wave you are sending is actually in fact in-phase between the R and L channels to begin with. Heh...
-
Good call, Brian. I just fed the R-4 a sine wave into inputs 3 and 4. The recorded file is identical in both channels. That means we're in phase, correct?
Yup. If 3 and 4 were out of relative phase, you'd see one channel (+) where the other's (-), and (-) where the other's (+). It's immediately noticeable when viewing a sine wave.
Assuming, of course, that the stereo sine wave you are sending is actually in fact in-phase between the R and L channels to begin with. Heh...
Yeah, good one :)
It looks like mine is fine then. Nice.
-
Assuming, of course, that the stereo sine wave you are sending is actually in fact in-phase between the R and L channels to begin with. Heh...
Of course. :) In my case, I used a splitter to send the same signal to both channels.
-
FWIW, when I told Edirol that they tested OK they let me know the problem is only seen when using the 3 pin balanced XLR input. It doesn't show up if you use the 1/4" inputs (which I was using). I don't have any cables to take a line-out to the XLR input... any ideas on testing using the microphones? Hold both mics to the speaker that is playing a sine wave?
-
FWIW, when I told Edirol that they tested OK they let me know the problem is only seen when using the 3 pin balanced XLR input. It doesn't show up if you use the 1/4" inputs (which I was using). I don't have any cables to take a line-out to the XLR input... any ideas on testing using the microphones? Hold both mics to the speaker that is playing a sine wave?
I used an XLR splitter and a single mic for my testing. Try both mics right up to the speaker playing a sine wave, might work. Dunno since I've never done it myself.
-
FWIW, when I told Edirol that they tested OK they let me know the problem is only seen when using the 3 pin balanced XLR input. It doesn't show up if you use the 1/4" inputs (which I was using). I don't have any cables to take a line-out to the XLR input... any ideas on testing using the microphones? Hold both mics to the speaker that is playing a sine wave?
Oops! That's exactly how I tested it last night and everything looked fine. Doh!
Here's an easy way you (and now I when I get home) can test (I think). Send tone to one speaker out of your stereo. Plug in two mics to 1 and 2 XLR inputs. Record for a few seconds, then swap 1 to 3 and record for a few more seconds, then swap 2 to 4 for a few more seconds. Then, you'll have 1+2, 2+3, 3+4 all overlapping at different periods of time. Open in your favorite editor and make sure 1/2, 2/3, and 3/4 all are in-phase.
That should work shouldn't it? That's essentially what I did with 1/4" line in.
-
FWIW, when I told Edirol that they tested OK they let me know the problem is only seen when using the 3 pin balanced XLR input. It doesn't show up if you use the 1/4" inputs (which I was using). I don't have any cables to take a line-out to the XLR input... any ideas on testing using the microphones? Hold both mics to the speaker that is playing a sine wave?
Oops! That's exactly how I tested it last night and everything looked fine. Doh!
Here's an easy way you (and now I when I get home) can test (I think). Send tone to one speaker out of your stereo. Plug in two mics to 1 and 2 XLR inputs. Record for a few seconds, then swap 1 to 3 and record for a few more seconds, then swap 2 to 4 for a few more seconds. Then, you'll have 1+2, 2+3, 3+4 all overlapping at different periods of time. Open in your favorite editor and make sure 1/2, 2/3, and 3/4 all are in-phase.
That should work shouldn't it? That's essentially what I did with 1/4" line in.
I actually just finished doing that and everything was fine!
-
FYI -- Mine is outside of the recall range (newer), but for what's it's worth both the 1/4" and XLR inputs across all four channels are in-phase.