* Offical Velodyne Support Thread * - Page 349 - AVS Forum | Home Theater Discussions And Reviews
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post #10441 of 10450 Old 04-15-2017, 03:47 PM
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Originally Posted by gajCA View Post
I'd give it away to some AVS DIY enthusiast.
Velodyne's customer service is non-existent!

If you're still interested in rescuing your sub and don't mind
dealing with a repair facility across the country. I highly
recommend EBC Electronics.

The owner Paul is great to work with, he's expert in repairing
Velodyne plate amplifiers and he doesn't gouge.

I couldn't be more pleased with his work on my 20-year-old
HGS-12. Paul brought it back to life and it didn't break the bank!
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post #10442 of 10450 Old 04-16-2017, 01:29 AM
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Originally Posted by Neilsy View Post
Hi, I'm in Australia and have one of my DD18's that is back in the authorised Velodyne repairer for the second time in less than four months with I'm advised is a fault in the power supply.
The unit operates absolutely fine but the cone squawks a non LFE tone at random, loudly. The first repair fixed it only temporarily. Can you please contact me to issue the circuit diagram / schematics so I can have them rebuild a new power supply?
I was quoted $1000 from Velodyne just for the power supply alone + service fees and freighting and I don't think that's fair. I have four DD units in my theatre..
Can you please assist?
Matt.
a complete (new) amp should cost you around $1000!

Are you sure it's the power supply failing? Those DD's are complicated built with a lot of components, try swapping the amp from another dd see if the problem remains....
No, not the amp module, definitely just the power supply. Of course I am talking Australian dollars. They prefaced it by saying "are you sitting down?" before telling me.

Is it possible to get a copy of the power supply circuit diagram so I can have one built by an electrician please?
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post #10443 of 10450 Old 04-16-2017, 07:13 AM
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Originally Posted by Neilsy View Post
No, not the amp module, definitely just the power supply. Of course I am talking Australian dollars. They prefaced it by saying "are you sitting down?" before telling me.

Is it possible to get a copy of the power supply circuit diagram so I can have one built by an electrician please?
I'm sorry i do not have any drawings!


i'm based in Sweden and i paid 6,500sek for a complete new DD amp and thats about 1000 AUD...
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post #10444 of 10450 Old 04-16-2017, 08:19 AM
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Originally Posted by SnellKrell View Post
Velodyne's customer service is non-existent!

If you're still interested in rescuing your sub and don't mind
dealing with a repair facility across the country. I highly
recommend EBC Electronics.

The owner Paul is great to work with, he's expert in repairing
Velodyne plate amplifiers and he doesn't gouge.

I couldn't be more pleased with his work on my 20-year-old
HGS-12. Paul brought it back to life and it didn't break the bank!
Thanks; I went with a Velodyne repair center posted on their website, very near to their facility, and assumed they would know what they were doing.

I'm almost $700 in at the moment with a dead sub and don't want to throw good money after bad.

They will be sending a prepaid shipping label for them to take another look at it under warranty.

They asked if it was the driver but the driver worked perfectly during the rather strenuous self EQ that runs at 30 out of 100 in volume/gain and is 25 tonal sweeps that literally shake everything in the room.

My standard volume setting is 10 out of 100 with -9.5db on the AVR trim so the driver is fine IMHO.

Geoff A. J., California
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post #10445 of 10450 Old 04-16-2017, 08:20 AM
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Originally Posted by antoni_cooling View Post
I'm sorry i do not have any drawings!


i'm based in Sweden and i paid 6,500sek for a complete new DD amp and thats about 1000 AUD...
Another member on here mentioned that DD15 parts, even in the US, are getting harder to find which is just plain ridiculous IMHO.

Geoff A. J., California
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post #10446 of 10450 Old 04-16-2017, 08:55 AM
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Originally Posted by gajCA View Post
Another member on here mentioned that DD15 parts, even in the US, are getting harder to find which is just plain ridiculous IMHO.
The DD amp is sensitive for input gain. you should lower the avr sub output so your playing comfortable volumes at 20-30/100 on the DD.

The support for DD is probably dying...
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post #10447 of 10450 Old 04-16-2017, 09:08 AM
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Originally Posted by antoni_cooling View Post
The DD amp is sensitive for input gain. you should lower the avr sub output so your playing comfortable volumes at 20-30/100 on the DD.

The support for DD is probably dying...
I'm at -9.5, and it only goes down to -12.0db and has been fine for 8 years or so.

At 30 gain in my mid sized room the sub would dominate the other speakers.

Using an SPL meter the sub is about 3db louder than the others already using pink noise.

Room is apporximately 18x12 with 8 foot ceilings and an opening into the kitchen area at the back right of the listening area, so, in reality, not a "small" room.

Geoff A. J., California
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post #10448 of 10450 Old 04-17-2017, 08:30 PM
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Velodyne CHT-10 Preamp section help

Dear Sirs, This is my first post in this site. I am from Argentina and I have a CHT-10 sub (220volts), and it started to make a strange sound. When disassembled, the power supply board provides the required voltages, but when I reconnect the preamp (green board, picture attached below), positive 15v voltage shorts and don't provide the required voltage. Could you please enlight me as to how to repair it? I don´t have official service in my country. Thank you in advance, SCA.
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post #10449 of 10450 Old 05-02-2017, 05:56 PM
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I appreciate the recommendation however I am not sure if I want to sink the money into fixing this just yet. I would like for my son to play around with it, diagnose it as a small project however I would like to be able to help point him in the right direction and not blindly to fail. Has anyone ever heard of a powered sub doing this behavior?
Yes. I (think) I had the same issue when I bought my F1500 new.

The problem is with the servo feedback control. This seems to be mostly with the servo feedback sensor on the woofer. From my understanding this is a NLA part and cannot be fixed or repaired.

Your best bet may be to replace the amp and ignore the servo feedback.

Too bad Velodyne seems to missing in action these days.
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post #10450 of 10450 Old Today, 06:22 AM
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Firmware DD-10

Hello,

I'd like to update my old DD-10, since I've got some Probleme with remote Integration.
There should exist Firmware 2.2.2, which solves some issues. Unfortunately the Firmware link is not available anymore through velodyneaccoustics.
Can someone send me a link or the file please?

Best regards,
Patrick
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Velodyne Acoustics , Velodyne Impact 10 10 Subwoofer , Velodyne Wiconnect 10 Wireless Subwoofer , Velodyne Eq Max 8 8 Subwoofer , Velodyne Eq Max 10 10 Subwoofer , Velodyne Eq Max 12 12 Subwoofer , Velodyne Eq Max 15 15 Subwoofer , Velodyne



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