Triple D … that means something 
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sounds like we are going to need biscuits mate!haha
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can only be good!hahaha
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I‘ll take a beer 
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Says you 
More seriously - glad to see you are homing in on your own ultimate system, Dan!
Teaser
500 dr in the rack - 555ps also, but not yet connected. …
sl din-xlr still in the box… all later.
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Ok… here we go …
From the big bunch of upgrades I have installed:
- SL din 5-5
- 500dr
- powerigel plus only preliminary as it now only feeds 500dr. My back is so much aching - would have been impossible to strip all down
Waiting to be used:
- powerigel plus feeding all gear.
- sl din-xlr
- second 555ps.
Tested 500dr in my preliminary setup before setting up the rack.
First impressions was bass - so much better.
Done back switching to 135 only once.
135
- warmer in presentation (in a good way)
- groovy
- full bass but not very defined.
500dr. Actually going through its warm up rollercoaster
-
very defined bass with good wheight.
-
very punchy with lots of prat
-
lots of more detail
-
very controlled
-
much forward sounding
-
currently even more rough and dirty than 135 (in a good way as I liked this olive style)
-
today it is a bit harsh and slightly shouty (11h running) But have done some cable re arrangement (also with nd555) as he came up a bit.
Hope after a few days all is better. Will be!
Overall the sound can be described as - live concert feeling!
Edit: and again the it happened - 500ps on bottom shelf slipped of the back fraim ball - while I plugged in the burndys . Hated it and gave me another 30 min to get it back on the ball… 
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The 500dr perfectly adds to the sound of the 552 dr.
Nothing smooth as I Feld with 300dr - but haven’t given the 300dr the chance it deserved.
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I found mine sounded really rough at times on days 2 and 3. After a week was consistently good.
Looks great my friend!
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Definately warming up. Yesterday I pulled the 606 a bit back to the wall as I missed a bit bass. Today I am a minute away of pulling the back to the position 
Just realized that I could not go back to lavender … not long enough 
Too bad - or not. SL is fine - also in length and the very best cable when it comes to cable dressing!
So far all good - except being a bit in warm up.
The jump from 52 to 552 was bigger - but still a big step up.
Should I be worried with the 500ps slipped from the Fraim ball and glass flipped on wood.
Happened also with 555ps one year ago - all fine.
Think they are robust build an on rubber feet they dampen a bit.
And if something is broke I would have noticed.
No worries
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The 500DR in my experience takes a while to come on song from cold. Give it a week or two to bed in. Also, if you are experimenting with cables it will take longer. Everything needs to be settled. My 552DR seems pretty consistent now. I also found t2 after service eas consistent after a few days.
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How long did yours take to burn in?
It has not yet burned in … after 2 weeks more, after 4 weeks … even more…
When the 2 guys here doing updates at warp speed - you can’t really tell. 552 takes long, but mine were instantly very much better than 52 - details and timing. 500dr is punch and detail
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Is your 552DR new though?
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