2. amps-preamps
  3. 151113-136265

JADIS DEFY7, can not get it to sing

Hi
I hope some of you old pros can help answer my,,well lets say help me figure out how to get my Jadis defy 7 to sing. I purchased the amp used (like new, as the seller had a  Jadis JA200 mono blocks laready and the Defy sat quiet, So I bought it in 2008. Months later i purchased a  MINGDA tube pre amp, sounded AWEFUL, Not even close to my jadis Orch reference, KT90's EI tubes, that intergrtaed was really all I needed, i made a  huge costly mistake selling and buying the  DEFY 7, I do believe that w/o a  powerful pre, to DRIVE the FQ's into the Defy, the Defy will not respo9nd. 
The sound is flat, lifeless, no dynamics, The Orch Refer had HUGE sound stage, bass, GORGEOUS life like mids, nice sweet highs. 
I wanted more and bought the Defy,. 
I just had the Defy cked in Baton Rouge, had the KT90's brand new EH tuibes biased . 
I have a  ONKYO preamp arriving next week and am about to buy a  Mitshibushi Pre amp, 
I have a  LITE LS9 , chinese tube preamp, and that pre sounds like the,,no worse than the heftier Ming Da. 
This Lite LS9 is suppose to be a copy of the Jadis 200 pre, It weighs only 7 lbs, the trans is light weight.
I get  the idea the jadis Defy needs a  great hefty powerful prem, which is what folks told me back when i bought it, I did not believe them. 

I am low on  cash and will list the Defy for $3500 and i will pay shipping. 
I will then wait fora  great used Jadis intergrated, say a  DA50.

But I 1st want to try the 2 solid state pres to see if i can get the Defy to wake up.
It I can get some better respose , i may keep it and look for a  good used Audio reserach or a  macnintosh.
I do not have $6K for a jadis pre used. 
My budget is $1K
any help is greatly appreacitaed.
I have the uncredibly  SEAS Thor MTM speakser along with the CAYIN tube cd player with upgraded opamps .
As I say I am very close to selling the hge, hardly used (Like New) amp, due to my doubts that I can get the amp to respond like its tiny brother , The Orch Reference. 
btw I am the one who coined the tag *shootout* wayyyy back in 2000, or 2001 
I stared a  thread of speaker shootouts,,,and based on that long thread, i bought the SEAS THor kits. 
I now see *shoot out* is now the common tag for speaker and stereo components comparison.
My old login was Bartokfan.
Look forward to any suggestions in my dilemma.
paul
new orleans
mozartfan
mozartfan OP
2,143 posts
 
OK, Here is what i am thinking. If the LEAF delivers muddy/murky/muffled mids/lacks crystaline highs (I am not worried about bass,  as I will employ a  subwoofer), so if the Leaf has no improvements over the 1) Lite LS9
2) Xiang 728,,Then I might have to suspect the issues are with the,,,EH KT90's. 
Yet if I note a  clearer/cleaner mids, some crystal sweet highs/sound stage/dynamics, HIFI Fidelity,,then i know it is not the EH, in fact it was the 2 other pres which were limiting the Defy,,and if this 2nd senario plays out, this will open the door to sell off the Leaf and bring in the Cayin SC9LS,,and will roll the caps to Mundorf Silver Oil. and roll the 6922's to Amperex.
The Leaf should be here by saturday. 
I hooked up the jadis/Lite , to make sure the cd player/speakers had no shorts,,In fact it was the new Cayin which has issues.
Sadly i may have to cover the repair,,but will ask the ebay seller to split the cost.
I try to be fair and equitable , as this is the proper modus operandi, honorable ethos. 
I need someone to give me imput in a  possible combo cayin 845 with the SEAS THORS at 4 ohms, very high demand. 
Is the 845 power output like a  300B amp?
Needs high senitive speakers for ideal performance. ??anyone?

mozartfan OP
2,143 posts
 
The thought occured to me. 
*Cheap chinese tube pre amps*,,But then lets consider britsih amps,,,no better not, I can't stand anything from england. 
But lets consider *Made in the USA*. 
AKA the 2 kings, ARC and Macintosh.
If I listen to eithers preamps, and find <<COLORATION>, then my judgement would be
*expensive cheap USA pre amps*. Not sure, as i can only recall hearing 1 ARC pre amp. 
which i found colored and *balmy*, *greyish*. 
So whats better low price coloration or high priced coloration?
I'd go low, as the chinese pre at low price alloows to swap tubes AND swap caps to Mundorf GOLD SILVER OIL,,which are $$$$$$$$$, still under the price ofa  mac and ARC.
I'll take chhinese over USA.
Just some radom thoughts. 
The hum in the pre amp is so MINISCULE,,not sure if my tech guy will repair it,,but its there and i can't sell it with that tinest of hum at open 100% vool. 
If you want to buy it, contact me and i will  have my BR tech guy ship it UPS from his shop, where it will sit on his shelf FOR SALE, cheap.
bjesien
1,339 posts
 
This might be a little off topic but if heat becomes an issue, you can try positioning an electric leaf blower in one corner of the room to move air. 
Post removed 
mozartfan OP
2,143 posts
 
well Leaf pre amp arrived today, The pics on ebay shows 6 gorgeous SONICAPS,,,upon opening the hood, the caps are cheap yellow caps, ,,,,I feel cheated. My plans were to dump it on ebay at a  $200 oloss, Now with these cheap yellow caps, i can not ad the unit has gorgeous SONICAPS.
= will need rto take a  $300 loss, or lets say $250 loss, 
$300 + $50 ship. 
I paid $600. 
Well I can not hear it, as my tech guy in baton rouge has my step up trans to repair the cayin MT35, which has 15 hours on it,,and have to wait for a  Step up trans to arrive , from ,,,~~~Montana~~~ = 2 weeks ship time, and thats priority,,,Montana is a HUGE state, with little infrastructure, US mail moves at snail pace,,,I know this pre is superior to the other 2 chinese tube pre,,,but i am after the cayin at $1400+ ship/china,,,
I will need that cayin pre Mark 2 version to bring out all the potential colors of the Defy 7, 
But i am not stopping there. For me, the Defy will sound like a  crow next to the ~~~Cayin CS845A~~~ which can be used as  intergrated or asa  pure class A amp. 
The Cayin 845 will  sound like heavenly angles singing next to the jadis 's crowish registers.  Jadis can only be brought to full life witha  jadis preamp,,and i do not have Ropthchild's gold bank card. Sorry, I wish I could dump the jadis and trade it for the cayin CS845 .
But I will have 2 systems,,maybe the jadis will not be so bad with the Cayin. 
I will not sell the jadis as you acn not get much for a  12 yr Defy 7, maybe $2500, At that figure i ;'ll keep it. 
Even though the Defy has 12 yrs, it has very low, under 1000 hrs, probably less as the guy i bought it from said *I never use it, as I have a Jadis 200 4 block amp system*. Honestly the jadis is brand new. 
So $2500 fora  amp worth $15,000???
nah, don't think so, 
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