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Chip Amps Amplifiers based on integrated circuits

Amplifier in Tivoli Audio products?
Amplifier in Tivoli Audio products?
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Old 30th June 2008, 07:00 AM   #1
jaste is offline jaste  Sweden
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Default Amplifier in Tivoli Audio products?

Does anybody know what kind of amplifier hides inside the Tivoli Audio products?

I'm posting it here since a chipamp is my guess, but which?
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Old 30th June 2008, 07:46 PM   #2
Nuuk is offline Nuuk  United Kingdom
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They can run from a battery supply so my guess would be a small class-T amp.
The truth need not be veiled, for it veils itself from the eyes of the ignorant.
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Old 8th July 2008, 09:41 PM   #3
lohk is offline lohk  Europe
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AFAIK it is the LM1875, but I do not find the issue of the german/dutch mag ELEKTOR, which had I opened the device to study it. But the Tivoli also uses a series of opamps to tailor the sound.
I found it too bassy, more "boomy" actually and very place-dependent - more or less unlistenable on a longer base. I gave mine to my brother as a present - and he loves it and uses it everyday.
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Old 20th July 2008, 01:04 PM   #4
Ronode is offline Ronode  United States
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Tivoli 'Model One" uses half of a TDA7266 7+7W dual bridge.

"Model Three"(clock radio) uses the same chip with the other half connected as an amp for the optional second speaker/clock.

I would assume "Model Two" uses the same but I have not got a look inside that model.
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Old 18th November 2008, 04:46 PM   #5
kamskoma is offline kamskoma
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Default Tivoli spares


Where can I find Henry Kloss Tivoli spare parts, I need the volume pot for a Model one.
I assume there is no spares, they only sell modules, so you can't repair the Tivoli products like we use to do.

So it may be a lot of DIY'ers who can make money, repairing them in the old fashion way.

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Old 12th August 2015, 09:53 AM   #6
jlithen is offline jlithen  Finland
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I have once ordered a spare vol pot to the model one from the Finnish autohorized repair center.
I lost their contact details and their new page says they will not sell spares or give instructions.

My friends Model one has failed again and I'll give it a try and tell you how I succeeded.
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Old 6th October 2015, 06:57 AM   #7
jlithen is offline jlithen  Finland
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Spare parts could be bought from the authorized service center in Finland, but 2.5" driver and tuning cap were each about 40euros + shipping.
I bought the driver of ebay and skipped replacing the tuning cap (quite much work desoldering it anyway)
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