Confusing results with new Op Amps

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I've changed the 5532 of MF X-DAC (4 of them... how come they need so many !!!) with TI TL072 (JFET, Slew rate = 16, 5 ma current only). I changed all four and the highs are good but the bass is muddy and spineless. May be the current is relatively low. When I only change the two neared to the ditigal side, it's good but not very good. WHen I revert it back and change only the two nearest to the output, then the compromise came. The bass is still powerful and the highs are very good.
My question :-
Should I go for high current and high slew rate ? LM833 has higher current (8 ma) and a slew rate of 8 (5532 should be 7). DOes that look like a good one ?
I don't have much choices in Sydney though I'm starting to browse the yellow pages hard.

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Topic - Confusing results with new Op Amps - E 02:54:39 09/20/00 (9)

Thank you everybody ! - E 03:56:55 09/21/00 (0)

Re: Confusing results with new Op Amps - bobwire 13:55:18 09/20/00 (0)

Re: Confusing results with new Op Amps - Trevor Wilson 12:57:47 09/20/00 (0)

Re: Confusing results with new Op Amps - Richard P 10:27:20 09/20/00 (0)

Re: Confusing results with new Op Amps - Graham C 09:07:01 09/20/00 (0)

Re: Confusing results with new Op Amps - David McGown 05:19:09 09/20/00 (0)

Doubling makes it very hot - E 05:06:28 09/20/00 (2)

Re: Doubling makes it very hot - IH 16:00:32 10/02/00 (0)

doubling up - Graham C 08:55:35 09/20/00 (0)

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