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Old 6th April 2008, 03:28 PM   #1
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Default sunken 2SA1216/2SC2922

hi, anyone have build amp using sunken 2SA1216/2SC2922. i am searching for circuit design using this transistor. pls hlp me.

thank you.
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Old 6th April 2008, 03:32 PM   #2
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Default some versions

of korean INTER M amplifiers were equiped with that outs..... nice devices

never liked interm amplifiers though

whats your expected out ???
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Old 6th April 2008, 03:59 PM   #3
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Default amp

hi, my uncle had a kenwood amp and i saw it was used 12pcs 2sc2922 transistor. i want to use this transistor to make one for my uncle. i never tried this. i know it is very old.

is there any web i can find circuit design for this?

thank you.
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Old 6th April 2008, 04:05 PM   #4
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Default should i presume ????

that you canibalazied the kenwood amplifier and now you are full of transistors ????

oooo what a pity ....i keep these amps alive ....

any way just tell us a few more like what trafo you have and what is your power requirements
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Old 7th April 2008, 09:03 AM   #5
Piersma is offline Piersma  Netherlands
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Default Sanken 2SA1216/2SC2922

The Elektor Ulti Amp uses the Sanken 2SA1216/2SC2922

Elektor's "Ulti Amp"

best regards,

Piersma
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Old 8th April 2008, 12:35 PM   #6
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Default tried new things on symasim5_3 amp

hi, today i tried on sysasim 5_3 amp using power transistor 2SA1216 and 2SC2922 it works but only gets too hot. do you think i can use this transistor on symasim amp? what else need to chnage?

thank you.
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Old 8th April 2008, 04:33 PM   #7
ilimzn is offline ilimzn  Croatia
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Default Re: tried new things on symasim5_3 amp

Quote:
Originally posted by space2000
hi, today i tried on sysasim 5_3 amp using power transistor 2SA1216 and 2SC2922 it works but only gets too hot. do you think i can use this transistor on symasim amp? what else need to chnage?
thank you.

Did you check and adjust idle currnt after changing the transistors? Did you sheck if there is any oscillation in the output?
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Old 8th April 2008, 11:25 PM   #8
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Default tried new things on symasim5_3 amp

hi ilimzn, thank you. here is the sysasim design and i made change on only power transistor with 2sc2922 and 2sa1216. i dont know is there need to change resistor too. need help.

Click the image to open in full size.
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Old 22nd August 2014, 12:15 PM   #9
pallab is offline pallab  India
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Click the image to open in full size.

sir,i have this circuit..is it all correct ??I have not tasted it..is there any fault???
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Old 22nd August 2014, 01:25 PM   #10
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Why drive a 100W bipolar output stage, with a 100W MOSFET output stage ?
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