Behringer BXL900 Schematic needeed!

krisu · #1 12-01-2011, 03:14 PM

Hello,

Please, if anyone has this, please email to me!

thanks!

krisu (a) freeshell . org

BassmanPaul · #2 12-01-2011, 03:56 PM

I've requested schematics from Behringer before. All requests were refused.

slaphappychappy · #3 12-01-2011, 03:58 PM

It's a photocopier and reverse engineering isn't it??

krisu · #4 12-02-2011, 01:50 AM

yeah,

I thought to turn to someone at here because Behringer did deny my request too.. I just think that someone has to have this anyway

Problem is that sound is distorted in both channels... I'm going to test if it is speaker that is broken with 2x10 cabinet very soon. It doesnt have external cabinet socket, so I have to create one..

slaphappychappy · #5 12-02-2011, 02:03 AM

It's not too much gain? Try Google.

krisu · #6 12-02-2011, 02:17 AM

I've tried Google, most of the info I've found says that speaker has seen it's best days... just wait few hours and I have more information, i'll get my hands dirty and start testing thoroughly this...

I was just hoping to find someone with schematics from here, and him/her to be able to scan and send it to me..

BigDaddyMick · #7 12-02-2011, 02:29 AM

Quote:

Originally Posted by BassmanPaul

I've requested schematics from Behringer before. All requests were refused.

Man, how UNCOOL is that?

Makes me want to not buy another Behringer product after hearing this.

I agree, Google has got me coming up short too.

WTH, is it THAT much of a trade secret? Bet'cha can't buy parts either, huh? Wow......

arai · #8 12-02-2011, 02:35 AM

Quote:

Originally Posted by krisu

yeah,

I thought to turn to someone at here because Behringer did deny my request too.. I just think that someone has to have this anyway

Problem is that sound is distorted in both channels... I'm going to test if it is speaker that is broken with 2x10 cabinet very soon. It doesnt have external cabinet socket, so I have to create one..

You don't need a schematic for this

krisu · #9 12-02-2011, 02:48 AM

Yes, I know I dont need schematic for building external speaker connection, I somewhat suspect that it just isnt that simple, and wanted to come prepared if i need to investigate further...

teemuk · #10 12-02-2011, 07:54 AM

Quote:

WTH, is it THAT much of a trade secret? Bet'cha can't buy parts either, huh? Wow......

It's an efficient way to ensure that repairs run through outlets Behringer sees fit for the job. They'll have no issues with questionable DIY -type repairs or hack techs, which's errors would likely be falling on Behringer's shoulders. I'm pretty sure they will cover repairs if they are under warranty.

Their policy not to share IP and technical documents isn't even all that uncommon. At least they are not epoxying boards [cough.. Tech 21... cough..] or scraping off component values [cough... Walter Woods... cough], not to mention, their service manuals actually include schematics [cough... Parsek/Markbass... ...cough]

Crater · #11 12-02-2011, 09:57 AM

Behringer uses only original designs and they want (and have the right) to protect their intellectual property. Geez, they don't want people just blantantly COPYING their stuff, can you blame them?

fdeck · #12 12-02-2011, 11:25 AM

The supply voltages would tell you at a glance whether their power ratings are for real.

BassmanPaul · #13 12-02-2011, 12:18 PM

Quote:

Originally Posted by krisu

Yes, I know I dont need schematic for building external speaker connection, I somewhat suspect that it just isnt that simple, and wanted to come prepared if i need to investigate further...

Adding an external speaker jack is simple. What you need to know is what the minimum load the amp can take, probably 4Ω, and what the impedance of the internal speaker is, again probably 4Ω. Essentially you can use an external speaker but not at the same time as the internal.

BigDaddyMick · #14 12-02-2011, 01:03 PM

Quote:

Originally Posted by teemuk

It's an efficient way to ensure that repairs run through outlets Behringer sees fit for the job. They'll have no issues with questionable DIY -type repairs or hack techs, which's errors would likely be falling on Behringer's shoulders. I'm pretty sure they will cover repairs if they are under warranty.

Their policy not to share IP and technical documents isn't even all that uncommon. At least they are not epoxying boards [cough.. Tech 21... cough..] or scraping off component values [cough... Walter Woods... cough], not to mention, their service manuals actually include schematics [cough... Parsek/Markbass... ...cough]

A good tech wouldn't worry about a hack job. We just fix it and move on.
In warranty DIY/hack repairs would "void" it, outside of warranty...cha ching

I have been schooled. Guess I take it for granted that I can just buy a used Peavey, get the schematics emailed to me in 15 minutes, and get the parts ordered in another 10.
I call that good business.

FWIW, the part lady at Peavey sounded hot as ****. She could have doubled for a "1-900" operator

Parts were inexpensive to boot.

The only time I've seen epoxy on boards is for outdoor and military applications. They are fun to work on

Interesting. I've done (and still doing) a lot of electronics work outside the music sector and never had issues like this. I had no idea this sector was so cut throat. Well...that, and some truck stop CB shops...

All this secrecy wouldn't have anything to do with the recent "clones" of many different things showing up here that were made "across the pond" would it?