OPAmp replacement

jpy1974 · 8th September 2006, 02:10 AM

Hi im new to all this but have really got the bug. Ive already upgraded the caps and opamps in my quad 405. I am now trying to upgrade the parts in my mitsubishi pre amp. If someone could spend a little time helping me i would be most grateful. The opamp in the pre is a m5214L is this chip any good or should i replace ?? if so what with. Can you still get this type of chip or would i need an adapter? and lastly would i just be able to swap them over without any mod to power supply??

Cheers, JP

Leolabs · 9th September 2006, 01:24 AM

You may try the TLO7x series.If I was not mistaken,Quad did use some of them in their products.

astouffer · 9th September 2006, 01:35 AM

According to the datasheet the m5214L looks like an amplifier in a SIP package. Not many modern opamps are available that way. You could either find something in a TO-39 package or wire up a small adapter board with a DIP/SOIC chip.

mbates14 · 11th March 2007, 09:54 PM

what datasheet. i cant find one for this IC.

AndrewT · 12th March 2007, 08:47 AM

Hi,
the minimum you need is a schematic for the amplifier and the datasheet for the chip.
Then you can see what the manufuacturer recommends and what the assembler did with it.

Without that you are groping in the dark.

Nordic · 12th March 2007, 01:14 PM

use google, type datasheet and the partnumber....

8th September 2006, 02:10 AM	#1
jpy1974 diyAudio Member Join Date: Sep 2006	OPAmp replacement Hi im new to all this but have really got the bug. Ive already upgraded the caps and opamps in my quad 405. I am now trying to upgrade the parts in my mitsubishi pre amp. If someone could spend a little time helping me i would be most grateful. The opamp in the pre is a m5214L is this chip any good or should i replace ?? if so what with. Can you still get this type of chip or would i need an adapter? and lastly would i just be able to swap them over without any mod to power supply?? Cheers, JP

12th March 2007, 08:47 AM	#5
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Hi, the minimum you need is a schematic for the amplifier and the datasheet for the chip. Then you can see what the manufuacturer recommends and what the assembler did with it. Without that you are groping in the dark. __________________ regards Andrew T.

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9th September 2006, 01:24 AM	#2
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	You may try the TLO7x series.If I was not mistaken,Quad did use some of them in their products.

9th September 2006, 01:35 AM	#3
astouffer diyAudio Member Join Date: Jun 2004 Location: Pittsburgh, crumbling wasteland	According to the datasheet the m5214L looks like an amplifier in a SIP package. Not many modern opamps are available that way. You could either find something in a TO-39 package or wire up a small adapter board with a DIP/SOIC chip.

11th March 2007, 09:54 PM	#4
mbates14 diyAudio Member Join Date: Jun 2002 Location: non	what datasheet. i cant find one for this IC.

12th March 2007, 01:14 PM	#6
Nordic diyAudio Member Join Date: Sep 2005	use google, type datasheet and the partnumber....

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