Where to buy op amps

morlac · 8th February 2011, 07:45 PM

Im working on a boss rip 596 amplifer and it has 2 bad ics and the original ics are kia4558s and cant be found anywhere. I found a suitable replacement for it though TA75072S anyone please help me find these ics .

cliffforrest · 8th February 2011, 08:00 PM

Quote:

Originally Posted by morlac

Im working on a boss rip 596 amplifer and it has 2 bad ics and the original ics are kia4558s and cant be found anywhere. I found a suitable replacement for it though TA75072S anyone please help me find these ics .

Google it and you'll get a zillion hits!

Standard 8 pin dual bi-polar op-amp. 3Mhz. compensated.

Almost anything will replace it.

Where are you located?

firechief · 8th February 2011, 08:57 PM

Well - it is an old part. I found this.

KIA4558S Dual low noise operational amplifier in 9-pin SIP-9 package. Operational temperature range from -40°C to 85°C.

9 pin sip op amps are not made any more. Ill bet a clever guy could do an op-amp-ectamy with any number of 8 pin dips and make it work. But first, what makes you think its bad? Seriously.

8th February 2011, 07:45 PM	#1
morlac diyAudio Member Join Date: Feb 2011	Where to buy op amps Im working on a boss rip 596 amplifer and it has 2 bad ics and the original ics are kia4558s and cant be found anywhere. I found a suitable replacement for it though TA75072S anyone please help me find these ics .

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8th February 2011, 08:57 PM	#3
firechief diyAudio Member Join Date: Sep 2008 Location: Near Seattle Wa	Well - it is an old part. I found this. KIA4558S Dual low noise operational amplifier in 9-pin SIP-9 package. Operational temperature range from -40°C to 85°C. 9 pin sip op amps are not made any more. Ill bet a clever guy could do an op-amp-ectamy with any number of 8 pin dips and make it work. But first, what makes you think its bad? Seriously.