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dieselatx
tranceaddict in training
Registered: Oct 2003
Location: San Antonio, TX USA
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opinion
i really like my djx-700. i'm really getting used to the knobs and faders now so when i use my friends djm-500, i don't feel like i'm in a foreign land. don't get me wrong, i wish i had a 500, but this mixer suits me fine for now.
___________________
Peace Out
Dave M.
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Oct-27-2003 16:35
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Arsalan
debsh - toronto

Registered: Nov 2002
Location: Toronto
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Nov-03-2003 19:34
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dieselatx
tranceaddict in training
Registered: Oct 2003
Location: San Antonio, TX USA
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response from behringer
hey all, this is the response i received on my mixer
Hello David,
Thanks for writing! Sorry for the delayed response... Check out the following notes, and let me know what you think:
Noise can come from a number of places in an audio system. First solution, gain staging. Make sure you have correctly adjusted the in/out gains of each component in the system to maximize signal to noise ratio. EXAMPLE: You don't want to crank the output stage and have the input gain way too low. The result from this will be unwanted noise. Most units will have a "unity" setting for gain controls, which is the optimal setting for S/N ratio for that unit. Set your levels here, and when increased volume is needed, boost at the channel gain first. You usually want the channel stage to be boosted higher than the output stage for best clarity.
Second solution, cabling. You need to use good-quality cable (shielded if possible) that is of the correct impedance (low z or high z) for the application. When using unbalanced cables, you want to make sure that you keep your cable run as short as possible due to the fact that these cables send signal on the ground. This increases the noise (and decreases S/N ratio) the further the signal has to travel. For long cable runs 15' and longer, balanced cable is recommended. The shielding will keep unwanted interference (radio waves etc) from being induced into the signal path. This can also help cut unwanted noise.
Third solution, your electricity: When you are using multiple units with different ground connection paths, you can run into ground loops. There are ways to get through this, the simplest being the use of a direct box with a ground lift switch (Our DI100 retail $59) or ground lift plug. This will kill the loop and the interference (noise) between the two conflicting units. There can actually be ground loops inside the unit itself (this would be a defect and would require the services of a qualified technician).
If you can narrow down your noise source to one of the aforementioned problem areas, you can make your life a lot easier. Give this trouble-shooting method a try, and if none of these methods helps your problem, you may have a faulty unit. If this is the case, contact our Behringer USA Customer Support team for details on having your unit repaired.
Please include previous comments when responding to a technical support email so I can follow our previous order of events! Thanks!
Kind Regards,
Chris Gomez
Technical Support Administrator
BEHRINGER USA Inc.
Tel: +1 425 672 0816 ext.139
Fax: +1 425 673 7647
Email: [email protected]
www.behringer.com
i got my response within about an hour. these guys have a badass customer support department. i'm gonna try some troubleshotting and see what happens. i'll keep y'all informed.
___________________
Peace Out
Dave M.
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Nov-08-2003 03:03
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