Vintage speakers... are they blown?

huskey · 14th February 2009, 10:55 AM

Hi guys,

I've recently been given a pair of Celestion Ditton 44 Series II speakers. They're quite chunky things, featuring what appears to be a 1inch tweeter, 5inch mid, 8inch woofer and a nice big 10inch sub at the back of the unit.

They're currently paired up with an equally ancient Marantz amplifier and I've noticed that the woofer and sub on one of the speakers is completely silent. I was wondering what you guys thought the problem could be?

I noticed that the "silent" 8inch woofer was a different colour to the other speaker and it turns out that it's a (probably) cheapo RS replacement. Could it be blown?

The speakers are connected to what looks like a crossover unit at the bottom. I can't see any damage to the components, are these known to blow?

Some more pictures for your viewing pleasure

If you guys have any experience with fixing these things, I would love to hear from you. These speakers do sound very nice, so it would be criminal to have to sling them!

Thanks...

poynton · 14th February 2009, 12:18 PM

I don't remember these having a "sub" on the rear.
It looks like an addition.
Also the speaker terminals do not look original.

I assume you have checked for continuity with a multimeter.

Andy

mjf · 14th February 2009, 02:21 PM

hello all to you.
yes the 8in. woofer looks like a rs replacement.
simply check the single speaker (wired off) with the multimeter (a 8 ohm speaker show a coil res round about 6ohm).
if you have no multim. connect it to a (cheap) amp and listen if there is some music......
or do a battery -test: connect a 1,5v cell for a very short time(!) to the speaker terminals...........if there is a bump (or it goes in and out) the speaker should be o. k.
greetings................

14th February 2009, 10:55 AM	#1
huskey diyAudio Member Join Date: Feb 2009	Vintage speakers... are they blown? Hi guys, I've recently been given a pair of Celestion Ditton 44 Series II speakers. They're quite chunky things, featuring what appears to be a 1inch tweeter, 5inch mid, 8inch woofer and a nice big 10inch sub at the back of the unit. They're currently paired up with an equally ancient Marantz amplifier and I've noticed that the woofer and sub on one of the speakers is completely silent. I was wondering what you guys thought the problem could be? I noticed that the "silent" 8inch woofer was a different colour to the other speaker and it turns out that it's a (probably) cheapo RS replacement. Could it be blown? The speakers are connected to what looks like a crossover unit at the bottom. I can't see any damage to the components, are these known to blow? Some more pictures for your viewing pleasure If you guys have any experience with fixing these things, I would love to hear from you. These speakers do sound very nice, so it would be criminal to have to sling them! Thanks...

14th February 2009, 12:18 PM	#2
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	I don't remember these having a "sub" on the rear. It looks like an addition. Also the speaker terminals do not look original. I assume you have checked for continuity with a multimeter. Andy __________________ If it ain't broke, break it !! Then fix it again. It's called DIY !

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14th February 2009, 02:21 PM	#3
mjf diyAudio Member Join Date: Jan 2009 Location: upper austria/near linz	hello all to you. yes the 8in. woofer looks like a rs replacement. simply check the single speaker (wired off) with the multimeter (a 8 ohm speaker show a coil res round about 6ohm). if you have no multim. connect it to a (cheap) amp and listen if there is some music...... or do a battery -test: connect a 1,5v cell for a very short time(!) to the speaker terminals...........if there is a bump (or it goes in and out) the speaker should be o. k. greetings................

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