The Burson V7 Classic Dual Opamp is a drop-in replacement for many dual opamps:
and has a melting point of 350ºF (177ºC)
Mezmerize "10 Years After" Schematic (PNG)
Proprietary as in "please don't ask for the recipe because we're not telling
Burson Audio V7 Classic Dual Opamp u The Burson V7 Classic DualThe Burson V7 Classic Dual Opamp is a drop in replacement for many dual opamps: AD823, AD823AN, AD8066, AD8620, AD712, AD827, C4570, JRC4556AD, JRC4580, JRC5532, JRC5532D, JRC5532, LF353, LM4562, LME49860, LM833N, LME49720, MUSES8920, NE5532, NEC4520, NEC4570, NJM2068D, NJM2114, NJM2214D, NJM4558, NJM4558D, NJM4560, NJM5532, NJM4558P, OP275, OPA1612, OPA2277PA, OPA2132, OPA2134, OPA2604, JRC4558, RC4558D, RC4558P, TL052, TL072, MUSES01, MUSES02,