Sonab oa-12 crossover
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- (40+ posts)
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- Joined: Mon 03 Nov 2008, 12:54
Sonab oa-12 crossover
Hi all sonab experts I'm currently restoring a pair of sonab oa-12 and to my surprise I've noticed a different crossover fitted. I'm certain these are original and never tampered with no evidence of anyone soldering or removing them before me. There is no 10uf capacitor just a 5.6uf has anyone come across this before? There's two coils and two resistors I'm curious if sonab changed the design throughout the sonab oa-12 lifecycle??? I've had about six pairs of oa-12 and this is the first time I've seen this. Welcome anyone experience here!
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- Co-Editor
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Re: Sonab oa-12 crossover
Hello
At first for a brief period there was a filter that was asymmetric.
That filter was in production for only a brief time.
I world rekommenderar to uppgrade the filter to the newer version.
Best regards
Martin
At first for a brief period there was a filter that was asymmetric.
That filter was in production for only a brief time.
I world rekommenderar to uppgrade the filter to the newer version.
Best regards
Martin
Jag vet inte, vet du?
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- (40+ posts)
- Posts: 47
- Joined: Mon 03 Nov 2008, 12:54
Re: Sonab oa-12 crossover
Thankyou! Do you know if the coils are the same? They aren't labelled
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- Co-Editor
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Re: Sonab oa-12 crossover
Hello
Sorry to say I don't remember, I'll look and see if I have the info somewhere.
Best regards
Martin
Sorry to say I don't remember, I'll look and see if I have the info somewhere.
Best regards
Martin
Jag vet inte, vet du?
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- (40+ posts)
- Posts: 47
- Joined: Mon 03 Nov 2008, 12:54
Re: Sonab oa-12 crossover
Ok Thankyou!
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- Co-Editor
- Posts: 1630
- Joined: Thu 26 Dec 2002, 20:32
- Location: Kungsängen
Re: Sonab oa-12 crossover
Hi
I have finally found my scribbled notes on the old crossover!
Woofer: Coil 0.64 mH.
Tweeters: Capacitor 5,6uF and Coil 0,54 mH, drivers connected in reverse polarity. Reistors both 2,2 Ohms.
I hope this helps
Best regards
Martin
I have finally found my scribbled notes on the old crossover!
Woofer: Coil 0.64 mH.
Tweeters: Capacitor 5,6uF and Coil 0,54 mH, drivers connected in reverse polarity. Reistors both 2,2 Ohms.
I hope this helps
Best regards
Martin
Jag vet inte, vet du?
Re: Sonab oa-12 crossover
Installed rubber c-strip to top grilles and now there is room for new tweeters under grille. Been listening speakers now some time and these sounds just great for livingroom use. Mostly I use these for radio and tv, but also sometimes for movies and music since my theater/music room is still under construction.
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