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Redline 60 Type 6503 Refurbish?

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Rich
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Rich posted on Sat, Sep 15 2012 8:27 PM

So Duane (Note 1) comes by today with a pair of Redlines.  I've been hoping to find a pair of 60.2's to refurbish and put in the garage with a Frankensystem (Note 2) until I find a stacking system to match them with (Note 3).  When he opened the trunk (Note 4) I thought maybe I'd get lucky, but alas, they were RL 60's Type 6503.

I explained to Duane they probably weren't worth the $50 he paid for them because of the foam rot problem with the ABR I read so much about on the old site (Note 5).  I picked one up and shook it to show Duane, but wait a minute, no rattling sound.

I picked up the other, shook it, no rattling sound again!  What do we have here?  A fixed pair?  But which fix?

A home brew refoam?  A refoam by a professional, perhaps even Martin himself?  A conversion to the bass reflex?  Mike Cason's conversion with passive radiators?

Below is what one of the fronts looks like.  They are dusty and need new cloth.  But no scratches or dents.  No accessories either, except for the small metal "lean on the floor" attachment.

 

Note 1.  Duane works for me and makes just as much money on the side buying and selling at flea markets and on Ebay.  I've bought about a thousand records from him in the last year for less than $200.

Note 2.  The Frankensystem is currently NAD 7175PE (love this receiver), BG RX2 w/ MMC4, BC3300, Beovox S40, and some very cheap Magnavox DVD player.  Used to have Beosystem 1900 in there with second pair of M70s, but the M70s were removed for a Top Secret Project.

Note 3.  Probably a 5500.

Note 4.  "Trunk" = "boot" Stick out tongue

Note 5.  I remember one thread - think it was Leslie's - where Gunther complimented the refurbisher on the fabric by slamming my psychedelic M70 grills/frets.  Stick out tongue once again.



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Rich
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Answered (Verified) Rich replied on Sun, Sep 16 2012 10:24 PM
Verified by Rich

I decided to pass on this particular pair.

I did a bit more due diligence on the inside (e.g., measuring the DC resistance of each of the drivers) and outside....

And there were just too many live and dead spiders!  Now if that's not a sign of neglect, I don't know what is.

And a couple missing screws...

And a missing plastic triangle that holds down the straps....

And no stands....

And the Fabric Selector was not impressed....

And they aren't 60.2's....

And I just finally said that's too many "ands"....

Oh, well.  Another project will present itself soon enough.


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tournedos
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Rich:
Those engine parts I sent to you were about $50 going from here to there.  Surely it wouldn't cost nearly that much to go from there to here?  Weren't those engine parts about 10kg or more?

Postages can be a strange thing. When I bought my RL60.2s from Germany, the seller apparently paid around 20 euros, and the speakers were delivered to my door (the norm over here is that you have to pick up incoming parcels from somewhere). If I wanted to send the same kind of package out, I would pay about that much for similar service inside Finland, and about three times as much back to Germany!

Regarding the real problem at hand... sounds like you have already talked yourself into repairing the speakers Big Smile

They should be worth it. Recap the crossover while you're at it - it made a huge difference with my RL60.2s, I wouldn't have believed it.

--mika

Dillen
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Dillen replied on Sun, Sep 16 2012 2:57 PM

True but the danish postal rates are ridiculous.

Martin

Rich
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Answered (Verified) Rich replied on Sun, Sep 16 2012 10:24 PM
Verified by Rich

I decided to pass on this particular pair.

I did a bit more due diligence on the inside (e.g., measuring the DC resistance of each of the drivers) and outside....

And there were just too many live and dead spiders!  Now if that's not a sign of neglect, I don't know what is.

And a couple missing screws...

And a missing plastic triangle that holds down the straps....

And no stands....

And the Fabric Selector was not impressed....

And they aren't 60.2's....

And I just finally said that's too many "ands"....

Oh, well.  Another project will present itself soon enough.


dan1969
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dan1969 replied on Sat, Mar 26 2016 12:56 PM

4 years too late but the Mike Cason twin passive rad solution kicks butt.. I did it on my rl60 and replaced caps with solens polycaps and the performance is way better than all the rl60.2 I have ever had pass through my shed.

I'm no speaker designer unlike Mike but I know he was not a fan of the tuned hassling as it did not maintain air pressure in the cabinet and made the other drivers work harder as a  result .

All I know is the twin tippany rads I imported from the states sound bloody good compared to the bass port.

I still have 4 rads left but I don't want to waste them on the rl45's I currently have in the shed:)

 

dan1969
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Auto correct strikes again :) 

tuned bass port not "hassling"

i imported the rads from Madisound, got stung for import duty :(

Tucker
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Tucker replied on Sun, Jan 21 2018 4:43 PM
Hey there. I just got a pair of RL60s and the previous owner removed the radiator. Is there still a repair kit for these available?

Thanks!

-Tucker

Beosound 9000 MK III, Beosound Century, Beogram 5005, Beolab 8000, Beolab 5000,  Beolab 4000, Beolab 5, Beovision 8, Beovision 10, Beovision 5, Beoplay A2, Beoplay E8, Beoplay H6.

jefemuygrande
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where did you find these ABR correction plates? 

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