Onsemi ditching all great Sanyo chip amps .

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Dibya

Member
Joined 2018
#1
I loved sound of LA4708 as it has pretty good warm sound and lovely high frequency performance . Moreover it can be used with single rail . Guess what ? LA4708 no more available in market and I can't build a good amp for my friend under ₹900 . Onsemi didn't market their products properly Sanyo has had excellent design in my opinion and their chips can be improved specially those STK hybrid ICS . I will love anyone from onsemi or Sanyo can reply (thought chances are thinner than air on Mars before Elon Musk do something crazy)
 
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#2
The LA4708 was designed as;

Monolithic Linear IC 20W 2-channel BTL AF Power Amplifier for Car Stereo.
They are no longer used in power amplifiers for automotive employment. Class D has taken over.

That is why they are ceasing production.
There are many wholesalers with large stocks of them so I doubt it will become an issue for a few years.
 
#3
Newer class D chips sounds good but I don't know why I prefer class AB chips over them . I do have TPA3118 & TPA3116 but they have bad High frequency performance .
If someone one listen metal music they will notice high mediately .
Is stk series chips going to return?(any chance)
 
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#8
I see two types: LA4708 and LA4708N. I don't see anything above 1.5$ .
 

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