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Problem with UM400A


Ed Denton

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Hi all,

 

I've recently encounter a problem with on of my Lectro UM400A transmitters. There is an audible "spitting" or "hissing" sound in any audio recorded with it. It is not the normal noise floor associated with wireless mics, I have another identical UM400A tx in the same block and it is not experiencing the same issue. I have swapped out a number of different microphones and receivers which is how I've identified as the transmitter. The transmitter is in block 28 which falls in the soon-to-be illegal band in Australia, but I have tried changing frequencies many times and I have tried my other block 28 transmitters on the same frequencies and I only have the problem on the one tx in question so I don't believe it to be a RF interference problem. I have been advised by my local dealer to return it to the factory in USA but before I go down this rather expensive path (postage from Aus to USA is outrageously expensive!) I want to see if this is something that can be resolved here.

 

I have attached a recording of the sound. There are two sounds in the file: the first 15 or second is with the problem tx, and second is my other identical tx which is not experiencing the same problem. You can clearly hear the difference between the "spitting" sound and the normal noise floor in the second sample. Anyone experienced this before?

 

UM400A audio.mp3

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<< I have been advised by my local dealer to return it to the factory in USA but before I go down this rather expensive path (postage from Aus to USA is outrageously expensive!) I want to see if this is something that can be resolved here.>>

 

Hi Ed,

Did you purchase this unit from a local dealer, i.e., Aus? If so, we pay the additional overseas shipping to bring the "Mothership" next door, if we don't have a local repair facility. That puts customers on a level playing (repair) field.

Best Regards,
Larry Fisher
Lectrosonics

 

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<< I have been advised by my local dealer to return it to the factory in USA but before I go down this rather expensive path (postage from Aus to USA is outrageously expensive!) I want to see if this is something that can be resolved here.>>

 

Hi Ed,

Did you purchase this unit from a local dealer, i.e., Aus? If so, we pay the additional overseas shipping to bring the "Mothership" next door, if we don't have a local repair facility. That puts customers on a level playing (repair) field.

Best Regards,

Larry Fisher

Lectrosonics

 

 

How awesome is this?!  Our sound companies are the best.

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" I have been advised by my local dealer to return it to the factory in USA but before I go down this rather expensive path (postage from Aus to USA is outrageously expensive!) I want to see if this is something that can be resolved here. "

Have you gone through the DS Ultra Master reset sequence ?

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Hi Larry and thanks for your response. Yes I did indeed buy from a local dealer: Soundequip in Melbourne, Australia. What a great service, just one more reason why I'm staying a loyal Lectro customer.

Before I send it in - and in answer to Mike's question - no I haven't tried the DS Ultra Master reset sequence, I'm not even really sure what that is. Is that something I should try, or should I just send in back to the mothership?

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" I have been advised by my local dealer to return it to the factory in USA but before I go down this rather expensive path (postage from Aus to USA is outrageously expensive!) I want to see if this is something that can be resolved here. "

Have you gone through the DS Ultra Master reset sequence ?

That "joke" is getting really old
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