2. amps-preamps
  3. 131501-88991

PrimaLuna Dialogue Premium Preamplifier. DESTROYS SPEAKERS!!


A few months ago, bought TWO of the above mentioned preamps. ( I have 2 stereo systems)
Within 6 weeks of the purchase, the power supply of my speakers burns out!
I purchase and replace the power supply.
Three days later, the second newly replaced power supply is burnt out!
After much investigative work and heartache, I discover that the Pre amp is the problem.
It is defective and puts out DC. which burns out speakers.
After, testing the second unit, I find that it is defective as well, EXACTLY the same problem.
I return the units to my dealer, who returns them to Prima Lune.

I received a phone call from a Mr. Kevin Deal, big cheese at PrimaLuna.
Told me that the capacitors, on BOTH units had failed and the units were putting out DC.
He even THANKED me, for being a guinea pig, and discovering the flaw in his units.

He offered me a pair of tubes, as "compensation" for my troubles!! What a joker!!

WOW, a pair of tubes for blowing my $30,000. speakers!!

The height of arrogance and total disregard for the consumer of his product.
To all audiophiles, do yourself a favour, STAY AWAY for this brand, unless you want your speakers cooked.

TOTAL lack of quality control, MADE IN CHINA junk, what more needs to be said.


Mr. Deal, WAKE UP, and STOP selling defective products!!


If, you are using PrimaLuna, and your speakers fail, check the amp or pre amp.

George


Montreal, Quebec, Canada.
thorloki
almarg's avatar
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almarg
9,670 posts
 
Willemj, the Thorloki statement quoted in your post just above was in his original post, of course. Subsequent posts by me and by Atmasphere, as well as a subsequent reference by Mr. Deal to his tech’s suspicion of an oscillation, all add up to it being a near certainty that the issue with Thorloki’s preamp had nothing to do with it outputting DC. In contrast to the other case that you have cited.

Regards,
-- Al

jaybe
743 posts
 
@shadorne

Doesn’t prove anything. Readers of this forum know you are often hasty to make unfounded comments, particularly in regard to Asian manufacturing. I’m guessing that the answers to my previous questions are "no", you’ve never been in a plant like this, particularly in Asia, where quality can be as high as it is in any Western country. And to pass judgement on how ship-worthy the product is, is just, well, asinine.
willemj
1,036 posts
 
I am not interpreting, let alone judging (and certainly not judging about place of manufacture). I am only offering the information that this is another case of a nasty failure that on the face of it may have a similar origin. And even if the final cause is different, that does not change too much for the victims.
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atmasphere
11,859 posts
 
If, primaLuna is not a good match for electrostatics, and problems can arise, then BUYERS SHOULD BE WARNED, prominently written, in the owners manual.
Actually, there is nothing in my post that suggests that ESLs and the preamp are incompatible. As far as that goes, I'm not really saying that the amp and preamp are incompatible either.

What I am saying is that a host of issues led to this problem, and it might not even crop up if for example, your AC line to the power amp were a larger capacity, like 20 amps rather than the 15 amps you have now. I've seen things like this before with entirely different equipment; anytime you have such a high power amplifier you have to be careful!
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shadorne
7,477 posts
 
@jaybe 

I meant no offence. Just making an observation. Have a good day.
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