substitute
Well-known member
Hi, I've been recapping a Trident 65, the owner wanted to try out a better opamp in the line amp position (IC 1). In googling about possible upgrades I came across this thread that suggests replacing the line and mic opamps with an OPA132...
https://groups.google.com/forum/#!topic/rec.audio.pro/YNoab0to69s
I swapped the two opamps tonight, fed a test tone to the line input and put a scope on the direct output. It passed signal normally but after a few seconds I noticed that old familiar burning smell, and discovered that both the mic and line opamps were very hot to the touch.
As best as I can tell they should be compatible, any advice on figuring this one out?
Here's a link to the manual, input channel schematic is on pg 63...
http://thehistoryofrecording.com/Manuals/Trident/Trident_Series_65_Manual.pdf
Thanks!
https://groups.google.com/forum/#!topic/rec.audio.pro/YNoab0to69s
I swapped the two opamps tonight, fed a test tone to the line input and put a scope on the direct output. It passed signal normally but after a few seconds I noticed that old familiar burning smell, and discovered that both the mic and line opamps were very hot to the touch.
As best as I can tell they should be compatible, any advice on figuring this one out?
Here's a link to the manual, input channel schematic is on pg 63...
http://thehistoryofrecording.com/Manuals/Trident/Trident_Series_65_Manual.pdf
Thanks!