Old 8th July 2012
  #1
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Studer A800 MK2

I´ve just got a Studer A800 MK2, when I switch on the machine chanel 14 vu meter hits the bottom, anyone exsperieced this?
Thanks,
Hans
Old 8th July 2012
  #2
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Drumsound's Avatar
What do you men "hits the bottom?" The meter should all be at the bottom if no signal is going through the machine.
Old 8th July 2012
  #3
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James Lugo's Avatar
 

Sometimes you have to tap those meters with your finger and/or turn the little toggle switch and and off a bunch of times to jar it.
Old 8th July 2012
  #4
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Quote:
Originally Posted by Drumsound View Post
What do you men "hits the bottom?" The meter should all be at the bottom if no signal is going through the machine.
It goes down to the max +db and and jumping there
Old 8th July 2012
  #5
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If you're just seeing the meters jump when the machine is powered on, it's normal.
Old 9th July 2012
  #6
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Quote:
Originally Posted by Myles83 View Post
If you're just seeing the meters jump when the machine is powered on, it's normal.
No it keeps on jumping, just channel 14
Old 9th July 2012
  #7
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RFZ DUDE's Avatar
time for a tech id say.
Old 9th July 2012
  #8
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reseat the 4 cards for channel 14
Old 9th July 2012
  #9
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Outlaw Hans's Avatar
 

These machines have their own personalities and quirks. Channel 16 on my JH24 does the exact same thing everytime I power it up. The vu goes mad for 3 minutes and then it just settles down. Channel sounds and works fine after that. I kind of like it. It's like a a dog going loco when he sees you pull out the leash.
Old 9th July 2012
  #10
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Joao B.'s Avatar
 

Quote:
Originally Posted by Outlaw Hans View Post
These machines have their own personalities and quirks. Channel 16 on my JH24 does the exact same thing everytime I power it up. The vu goes mad for 3 minutes and then it just settles down. Channel sounds and works fine after that. I kind of like it. It's like a a dog going loco when he sees you pull out the leash.
You made my day
Old 5th December 2012
  #11
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danly's Avatar
 

I had this happen on channel 8 of my a800 8 track.
Turns out it was dirt inside the headstack.
Tapping on the top of the head block made it work, then go weird again.
Squirted some Miller Stevenson in there to juice it out.
Works great now.
Old 6th December 2012
  #12
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Quote:
Originally Posted by Myles83 View Post
reseat the 4 cards for channel 14
I have not had the problem for a while now but will try that next time. But there´s anohter problem showing, when I turn it on sometimes it looses the tape tension, when I strech it by hand I am able to start the machine then its ok for a while, anyone with that experience?
Old 6th December 2012
  #13
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Thread Starter
Studer A800

Quote:
Originally Posted by RFZ DUDE View Post
time for a tech id say.
I agree and will have one coming but it will not be in the near future. . .
Old 30th December 2012
  #14
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Quote:
Originally Posted by Hans Ekman View Post
I have not had the problem for a while now but will try that next time. But there´s anohter problem showing, when I turn it on sometimes it looses the tape tension, when I strech it by hand I am able to start the machine then its ok for a while, anyone with that experience?
Sorry for late replay, I also have that problem sometimes when I start the machine, ot looses tension but works when I strech by hand
Old 30th December 2012
  #15
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gear is cool's Avatar
 

I have a A800 24 here and normally it is the molex connectors. For a temp fix is to re-seat the cards on the channel you are having trouble with.

I had this problem for years and finally had enough and my tech and I spent 2 full days cleaning/tightening the molex pins and sockets.

It wore my fingers out, put a crap load of little cuts in them but I have not had a channel drop since. (We used pipe cleaners) and cleaning solution.

Good luck!
Old 30th December 2012
  #16
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Thread Starter
Thanks Joe,
Will try that, clean with small brushes? alcohol?
Hans Ekman
Old 31st December 2012
  #17
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gear is cool's Avatar
 

Yes, with a solution of alcohol (not rubbing) and red de-ox.
For cleaning the inside of the female (we used small pipe cleaners). Also you will notice that the female connector loosens of time and needs to be snug with the male (a gentle crip).
Its super easy to do but there are a **** load of them if doing the whole machine.
Is there a tech nearby that can help?
Old 31st December 2012
  #18
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Thread Starter
Studer A800

Thanks for your advice, I will try that and I have tech friend who can assist
Happy New Analog Year
Hans
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