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Advent 5002 Pushed In Domes

chicks

chicks

Lunatic Member
Picked up a pair of Advent 5002's in great condition yesterday, just need to refoam, but both the tweeter domes were pushed in. Managed to pull them most of the way out with packing tape, but now each one has four small dimples.

Any hints on getting these all the way back to hemispherical?

Also, one of the woofs is slightly lighter in color than the other, and its foam is intact. Look identical otherwise. Odd...

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sealy said:
Suck 'em out. With a vacuum cleaner hose or your lips.
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:scratch2: OK, will try the vacuum cleaner... carefully. Meanwhile, comparing the intact one with my AR2a's. The dimples don't seem to impact the sound at all.

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Wrap some scotch tape, stickey side out on a q-tip. That might work. BTW, I have a pair of these speakers and I love them. Great pick up. :thmbsp:
 
ekmanning5 said:
Wrap some scotch tape, stickey side out on a q-tip. That might work. BTW, I have a pair of these speakers and I love them. Great pick up. :thmbsp:
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I'll try that too. Was comparing the Advent to the AR last night - they're similar enough in sound that I didn't notice a significant difference. Guess I'll neve be a fussy audiophile. :D

I'll try something with more bass content later - not today, though, headed to Union Pacific's 150th birthday bash! :banana:
 
I think I posted my trick in that thread. I adapted a 1" piece of pvc pipe to fit my shop vac. I rounded off the end of the pipe with a round file and sandpaper so I wouldn't tear anything. On paper dust caps I wet them with an artist brush, apply heat from my heat gun and then suck them out. On the plastic dust covers I just use heat and the vacuul. I run the pipe over all the dust cap areas until every dimple is out. Of course I have to repeat the heat/vacuum process until I'm satisfied. Works every time.
 
chicks said:
Picked up a pair of Advent 5002's in great condition yesterday, just need to refoam, but both the tweeter domes were pushed in. Managed to pull them most of the way out with packing tape, but now each one has four small dimples.

Any hints on getting these all the way back to hemispherical?

Also, one of the woofs is slightly lighter in color than the other, and its foam is intact. Look identical otherwise. Odd...

1348941391487.jpg


1348941145210.jpg


1348941209084.jpg
Click to expand...


Are the 5002's an improvement over the original Large Advent's? Understand this is a subjective question but there seem to be more around lately.

Also -- Do they come with the nicer walnut or bullnose cabs like the OLA's?

thanks, Bob
 
General AK consensus: A very small decrease in bass, but better overall presentation as the tweeter is improved.

The 5002s are vinyl bullnose. The 5012Ws are real walnut veneer bullnose. The 2012Os are the real oak veneer bullnose.

There were no utility cabs for this series unless you count the 5002s as the utility version.

There were 2 versions of the 5002 crossover; ones that had a 3-position tone control switch, and a version without tone controls.

There was a special "25th anniversary Advent" edition that has nice binding posts rather than the crappy screw posts, and real walnut veneer.
 
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Yeah, they're vinyl, but they look great, considering. Not the kind of vinyl that gets sticky with age, at least not yet...

No switch on these, I think they're the Jensen-owned version.
 
chicks said:
Yeah, they're vinyl, but they look great, considering. Not the kind of vinyl that gets sticky with age, at least not yet...

No switch on these, I think they're the Jensen-owned version.
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So were the 5002s an original Advent design and then Jensen bought them out?

Something I've never known and have been wondering. What were the first all Jensen inspired Advents?
 
I've resurrected a number of domes, and I find a fresh "Band-Aid" is about the stickiest tape around - off-brands can be even stickier. Just gently work them into the dented region with the blunt end of a sewing needle, and gently pull out; then patience in parting strip from the dome.

I can't tell if that dome is fabric or a hard shell, but those 4 inner screws suggest it might "come apart" like some old Eastern Air domes, accessing the bobbin and lead wires. You could then actually PUSH the dents out, and you have much more control over forces and reaction on the rear side. If you're lucky, they will oilcan themselves back very close to the dome shape.
 
With the tweeters in those, you can typically (and safely) separate the diaphragm from the magnet and straighten out the done that way, too. That's wish I did on the 25th Anniversary Advents I had...before I sold them. But, there were variations to that tweeter. Some had the dome attached to the front faceplate and others the done was on a replaceable diaphragm. Easy to check and see though.
 
avguytx said:
With the tweeters in those, you can typically (and safely) separate the diaphragm from the magnet and straighten out the done that way, too. That's wish I did on the 25th Anniversary Advents I had...before I sold them. But, there were variations to that tweeter. Some had the dome attached to the front faceplate and others the done was on a replaceable diaphragm. Easy to check and see though.
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This. The voicecoil and dome are on the font faceplate, which separates from the magnet with the four inner screws.

The good: the four dimples, perfectly symmetrical around the center, and ovoid shaped, are moulded in - burnished 'em with a dental tool from the back, they don't budge. Perhaps they reduce resonances? :dunno:

The bad: liquid, possibly ferrofluid, on the inside of the faceplate. Foam seal around the faceplate rotted. :sigh:
 
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