dispute further

[Clive]

Originally Posted by pre65

Hi-would it not be possible that transformer manufacturers buy in parts like end covers ?

If so then that may not be a distinguishing feature !


Philip

In which case MQ couldn't know from a pic whether it was theirs or not. It's all speculation, it's somehow too tempting to comment, which probably isn't helpful.

[Ianm2]

that's part of the point, philip, I know about a fair few transformers, having researched both commerical ones (and learned a little about design) and I have never seen any others which look like MQ.

Its not just the shrouds that I use as basis for that, its the same fine laminations, the same profile of the air gap, and the same paint finish of the laminations, too.

Added to the fact that I got them from the US described as MQ, from welbornes amp which were known to be MQ at the time.

Put that all together, its why I am convinced they are indeed MQ.

One thought did occur to me which is highly unlikely, that someone has swapped over the end shrounds, but to do that, would mean the transformer would fall apart, the butt end would fall off, and the air gap fall out, and you'd never get it back together properly. To do that for the sake of less than £100 is very unlikely indeed. And they show no physical signs of a botched job. Added to the fact that physically, they still appear, the stacking that is, identical to Mq.

George alledged that they were electraprint, now I wouldn't grumble if they were, as EP are $300 each, very expensive.This is by the by.

"The audiophile who wants the ultimate in "Big Tone," regardless of price, should consider the Electra-Print VT2-KB with the VAIC VV52. This combination easily had the best balance, biggest bass and the best low and mid-bass clarity with our SE amp and speakers."

from here, where MQ was reviewed to.

http://www.meta-gizmo.com/tri/vtv-se.html

Here is a pic. of an amp using EP, note the shrouds don't overlap the edge like above, and the colour of the finish, its not as good by any standards

http://cgi.audiogon.com/cgi-bin/auc....1290372&1&3&1&


http://pic6.audiogon.com/i/a/f/1190761108.jpg

finally, I have found an expired listing on audiogon for some welborne laurels, what I have maintainted all along is that the seller I bought them off said they were from this, I did have a schematic, but that final cruicial link is now missing.

but if you look at the pics, the tx's look very similar indeed.

http://64.233.183.104/search?q=cache...nk&cd=13&gl=uk

a pic of the amp that the tx's were alledgely from

http://www.chicagoaudio.org/welborne/Laurel.jpg

http://64.233.183.104/search?q=cache...lnk&cd=3&gl=uk

from the above a quote.

"Below you will find reviews of the Moondogs, all of which were carried out with the MagneQuest DS-025 output transformers "



I think I have done more than enough to offer substantial evidence that they are indeed MQ, whihc I have maintained all along.

and further proof that mr mq's memory isn't always reliable

http://www.audioasylum.com/forums/ma...sages/930.html

[fishbar]

hi ian


you got the picture , why you not ask Mike ,I think he know the MQ

transformer more than you , may be you can remind him ..

also, you should contact welborne lab, what is this and how to use that?

not just only post some link and picture.

i still dont know how to use that transformer?

george

[Ianm2]

hi George, mike has indicated that he no longer wishes for any correspondance on the issue. Perhaps that's wrong, I believe a maker does have some duty to provide info. on 'old' products or support, even if bought s/h, and he doesn't seem to want to bother about that side of customer service. sad but true.

All I have done here is present my reasons for believing its an mq, so I hope you don't take it as an attack, more a conviction.

best wishes

[Richard]

These are the wire colours George has,

one side is (blue and orange)
the other side is (red , blue, yellow, white,no colour, dark green , green , and black).

Attached is a pic of (I think) the wires from the Laurel TX cropped from the full pic,

http://diyparadiso.com/mod-laurel4.htm

The colours seem to match though the pic doesn't show the TX on the end of them.

Ian and George now need a schematic for the Laurel 300B to check those wire connections and meter them for the expected resistances for those connections.

[fishbar]

hi ian

Did you use that transformer before?

hi richard

thank 's you help , that is really useful . i will mail welborne labs got more information .

george

[Richard]

Hi George,

They look to be good TXs and Ian thought they were from Laurel 300B.

If you can get the construction circuit (showing which colour wire goes where) we can have a look at what we'd expect the TX wire resistances to measure to confirm this.

Rich

[fishbar]

thank you richard

george

[Paul Barker]

Originally Posted by Ianm2

hi George, mike has indicated that he no longer wishes for any correspondance on the issue. Perhaps that's wrong, I believe a maker does have some duty to provide info. on 'old' products or support, even if bought s/h, and he doesn't seem to want to bother about that side of customer service. sad but true.

All I have done here is present my reasons for believing its an mq, so I hope you don't take it as an attack, more a conviction.

best wishes

You are the wrong side of the Atlantic to warrant customer service or even respect Ian.

But to be fair to Mike with the greatest of respect for you Ian I say he might not understand your ways.

[pre65]

Hi-has this "dispute" managed to come to an amicable settlement ?

Philip