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Chip Amps Amplifiers based on integrated circuits

SMSL SA-36 funnies
SMSL SA-36 funnies
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Old 3rd May 2010, 01:24 AM   #1
flyinglemur is offline flyinglemur  Canada
diyAudio Member
Join Date: Jul 2005
Default SMSL SA-36 funnies

Hi Guys,

Bought one of these T-Amps from eBay (Indeed hifi), it arrived in due course and I connected it to a regulated PSU. First time it turned on, the relays clicked closed, no problems, LED came on.

Now, when I turn it on, there's no relay click and the LED is pulsing. Not on/off, but dim/bright. I've a good mind of diving in there if I can get the case open. Anyone elses' behave weirdly like this? I'm thinking it might be a lack of output capacitance on the PSU, too much ripple or something.

<<EDIT>> Broke out the multimeter. Seems the wee regulated supply has gone AWOL. 24V AC on the output line, and the DC voltage is hopping between 11.3 and 11.5. Cooked output cap methinks!


Last edited by flyinglemur; 3rd May 2010 at 01:48 AM.
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Old 7th January 2012, 02:18 PM   #2
moghoe is offline moghoe
diyAudio Member
Join Date: Jan 2012
Hello forum !
Hereby another question of the SMSL /TA2021.
I am satisfied with it, exept that it gives too much low bass ! And of course there is no tone control ..
How kan I add a filter and cut some of the lowest output frequency ? Or may it be done on a potmeter already present inside ?
Can the data sheet be a guide ?

Thanks for any help. moghoe
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