Crosstalk in a Mackie 1604VLZ

[DaNa]

Archived from groups: rec.audio.pro (More info?)

Maybe it's just me, but I seem to be getting more bleed through on outputs
than I used to remember with this mixer. I don't use it all that much but
started using it more about a week ago and even with inputs muted etc I am
hearing crosstalk in the other outputs?

It might have always been like this, but I don't really remember it that
way.

Shades of the ribbon cable problem?
Should I operate on her and reseat everything in sight?
Or is a little bleed through normal?

--
Dana Larsen
(Leave one 6 and remove everything after to reply)

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Dana <dana_larsen66615kl4k3@yahoo.com> wrote:
>Maybe it's just me, but I seem to be getting more bleed through on outputs
>than I used to remember with this mixer. I don't use it all that much but
>started using it more about a week ago and even with inputs muted etc I am
>hearing crosstalk in the other outputs?
>
>It might have always been like this, but I don't really remember it that
>way.
>
>Shades of the ribbon cable problem?
>Should I operate on her and reseat everything in sight?

Sounds like a ground connection issue. Reseat all the ribbon cables,
but also make sure the chassis connections made through the screws to
the case are all clean and solid.

>Or is a little bleed through normal?

Not really.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

 

[DaNa]

Archived from groups: rec.audio.pro (More info?)

On Wed, 08 Jun 2005 14:19:28 -0400, Scott Dorsey wrote:

> Dana <dana_larsen66615kl4k3@yahoo.com> wrote:
>>Maybe it's just me, but I seem to be getting more bleed through on outputs
>>than I used to remember with this mixer. I don't use it all that much but
>>started using it more about a week ago and even with inputs muted etc I am
>>hearing crosstalk in the other outputs?
>>
>>It might have always been like this, but I don't really remember it that
>>way.
>>
>>Shades of the ribbon cable problem?
>>Should I operate on her and reseat everything in sight?
>
> Sounds like a ground connection issue. Reseat all the ribbon cables,
> but also make sure the chassis connections made through the screws to
> the case are all clean and solid.
>
>>Or is a little bleed through normal?
>
> Not really.
> --scott

Thanks Scott and George!


--
Dana Larsen
(Leave one 6 and remove everything after to reply)

 

[Guest]

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Dana wrote:
> Maybe it's just me, but I seem to be getting more bleed through on outputs
> than I used to remember with this mixer. I don't use it all that much but
> started using it more about a week ago and even with inputs muted etc I am
> hearing crosstalk in the other outputs?
>
> It might have always been like this, but I don't really remember it that
> way.
>
> Shades of the ribbon cable problem?
> Should I operate on her and reseat everything in sight?
> Or is a little bleed through normal?
>

audible crosstalk is not something to put up with regardless of how
normal it is for mackies to do this
just be happy your not getting the rf noise mackie can't seem to live
without

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

In article <EdGpe.23122$HP1.3464@fe08.lga> dana_larsen66615kl4k3@yahoo.com writes:

> Maybe it's just me, but I seem to be getting more bleed through on outputs
> than I used to remember with this mixer. I don't use it all that much but
> started using it more about a week ago and even with inputs muted etc I am
> hearing crosstalk in the other outputs?

Please clarify what you mean here. Crosstalk is hearing some of one
channel in another channel. If your problem is that you hear something
coming out when all the faders are down, it could be a ground problem
as Scott suggests, a dirty fader (that doesn't realy go all the way
down) or you're just putting in a very high level and listening with a
lot of gain.

How loud is a normal mix when you turn things up so that you can hear
this "bleed?"

--
I'm really Mike Rivers (mrivers@d-and-d.com)
However, until the spam goes away or Hell freezes over,
lots of IP addresses are blocked from this system. If
you e-mail me and it bounces, use your secret decoder ring
and reach me here: double-m-eleven-double-zero at yahoo

 

[DaNa]

Archived from groups: rec.audio.pro (More info?)

On Wed, 08 Jun 2005 18:01:26 -0400, Mike Rivers wrote:

>
> In article <EdGpe.23122$HP1.3464@fe08.lga> dana_larsen66615kl4k3@yahoo.com writes:
>
>> Maybe it's just me, but I seem to be getting more bleed through on outputs
>> than I used to remember with this mixer. I don't use it all that much but
>> started using it more about a week ago and even with inputs muted etc I am
>> hearing crosstalk in the other outputs?
>
> Please clarify what you mean here. Crosstalk is hearing some of one
> channel in another channel. If your problem is that you hear something
> coming out when all the faders are down, it could be a ground problem
> as Scott suggests, a dirty fader (that doesn't realy go all the way
> down) or you're just putting in a very high level and listening with a
> lot of gain.
>
> How loud is a normal mix when you turn things up so that you can hear
> this "bleed?"

Hi Mike,
I'm doing some testing now to pin down exactly what is going on.
I'll post more specific conditions on Thurs.
Thanks!!

One thing I did have a couple of months ago was the SUB 1+2 not kicking in
until I moved the faders all the way up and then it would kick in and work
fine. It didn't act like a dirty fader, but more like it needed some extra
"juice/signal" to get it to kick in. That problem disappeared though.

--
Dana Larsen
(Leave one 6 and remove everything after to reply)

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

"George Gleason" <g.p.gleason@worldnet.att.net> wrote in message news:YlGpe.298347$cg1.83121@bgtnsc04-news.ops.worldnet.att.net...
> Dana wrote:
> > Maybe it's just me, but I seem to be getting more bleed through on outputs
> > than I used to remember with this mixer. I don't use it all that much but
> > started using it more about a week ago and even with inputs muted etc I am
> > hearing crosstalk in the other outputs?
> >
> > It might have always been like this, but I don't really remember it that
> > way.
> >
> > Shades of the ribbon cable problem?
> > Should I operate on her and reseat everything in sight?
> > Or is a little bleed through normal?
> >
>
> audible crosstalk is not something to put up with regardless of how
> normal it is for mackies to do this
> just be happy your not getting the rf noise mackie can't seem to live
> without

Ya' know, George.... I've been around a heap of Mackie mixers, and I've
never encountered RF difficulties that were attributable to the mixer in
working condition. Maybe I'm lucky, maybe I'm just the odd man out,
but RF has simply never been an issue in my experiences. I honestly
don't recall if crosstalk ever reared it's head or not, but it was certainly
never an 'issue'. You must have bought every defective Mackie shipped
to Oklahoma. ;-)

DM

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Dana <dana_larsen66615kl4k3@yahoo.com> wrote:
>
>One thing I did have a couple of months ago was the SUB 1+2 not kicking in
>until I moved the faders all the way up and then it would kick in and work
>fine. It didn't act like a dirty fader, but more like it needed some extra
>"juice/signal" to get it to kick in. That problem disappeared though.

That is the typical symptom of a corroded connection or of a leaky
coupling capacitor. It may be a sign that you have a ribbon cable
issue.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

In article <EbNpe.13720$So7.8999@fe10.lga> dana_larsen66615kl4k3@yahoo.com writes:

> One thing I did have a couple of months ago was the SUB 1+2 not kicking in
> until I moved the faders all the way up and then it would kick in and work
> fine. It didn't act like a dirty fader, but more like it needed some extra
> "juice/signal" to get it to kick in. That problem disappeared though.

That could have been a bad ribbon cable contact, a bad capacitor
(though that's not likely to fix itself) or actually a bad fader. The
trouble with problems that disappear is that they don't really fix
themselves, they're still broken and you have to wait until they come
back before you can troubleshoot them.


--
I'm really Mike Rivers (mrivers@d-and-d.com)
However, until the spam goes away or Hell freezes over,
lots of IP addresses are blocked from this system. If
you e-mail me and it bounces, use your secret decoder ring
and reach me here: double-m-eleven-double-zero at yahoo

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

>
>
I don't think the rf problem with the mackies was a defect, more like
poor design
george

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

In article <AyVpe.920866$w62.192536@bgtnsc05-news.ops.worldnet.att.net> g.p.gleason@att.net writes:

> I don't think the rf problem with the mackies was a defect, more like
> poor design

This was true with the original series. They just didn't know how to
keep EMI out of the mixer and they put a bunch of band-aids on it. The
VLZ series was a huge improvement, both in design and EMI performance.

But I know how, particularly in the field of live sound, a bad
reputation is really hard to correct. So if you never want to see
another Mackie mixer, I understand. But that doesn't mean they haven't
learned a thing or two about design since their first product.



--
I'm really Mike Rivers (mrivers@d-and-d.com)
However, until the spam goes away or Hell freezes over,
lots of IP addresses are blocked from this system. If
you e-mail me and it bounces, use your secret decoder ring
and reach me here: double-m-eleven-double-zero at yahoo

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Mike Rivers wrote:
> In article <AyVpe.920866$w62.192536@bgtnsc05-news.ops.worldnet.att.net> g.p.gleason@att.net writes:
>
>
>>I don't think the rf problem with the mackies was a defect, more like
>>poor design
>
>
> This was true with the original series. They just didn't know how to
> keep EMI out of the mixer and they put a bunch of band-aids on it. The
> VLZ series was a huge improvement, both in design and EMI performance.
>
> But I know how, particularly in the field of live sound, a bad
> reputation is really hard to correct. So if you never want to see
> another Mackie mixer, I understand. But that doesn't mean they haven't
> learned a thing or two about design since their first product.
>
>
>I am looking hard at the tt24 as no one else is stepping up to the plate
with a native 24 preapm digital desk
I have a dm1K but I want 24 mic pres and don't want to spend dm2K
money to get them
George

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

>
> But I know how, particularly in the field of live sound, a bad
> reputation is really hard to correct. So if you never want to see
> another Mackie mixer, I understand. But that doesn't mean they haven't
> learned a thing or two about design since their first product.
>
Mike
you should know many of the most popular companies products have missed
the mark for me in so many ways I don't buy them
including
crest amps
crown amps
anything symetrix
ashley
whirlwind,great product I just can't tolerate the attitude I get from
the sales staff
George

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Usual culprit is a 'soft' ground connection in the Molex connector from
power supply to main PCB. Cut the wires off the molex and solder them
directly to the pins or pcb. While you are in there, give any ribbons a
squirt of Caig ProGold.

geoff.