is generic audio dual opamp (see NJM for datasheet). Aside from working at very low voltages (+/- 2V?) there is nothing special. RC Dual Audio Operational Amplifier. Operating Voltage. ┬▒18 V Low Noise Voltage. ┬ÁVrms (TYP) Wide GBW. 12 MHz (TYP) Low THD. % (TYP). From a life instalation i still have a cheapo Behringer MXX laying around what a all the x in the name want to tell us?.

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From a life 5480 i still have a cheapo Behringer MXX laying around Regardless the fact that its rather stupid to put that much work in a Behringer product February 11, The desk has a good layout You can’t really compare two opamps and decide what opamp is best.

Any opinions regarding what result to expect? It looks like 16 on the 458 plus the headphone amp. Honestly, I think it’s a waste of time.


I’m not really an electronics expert but I’ve read enough opamp-swap-threads here to know that swapping opamps isn’t easy and it usually doesn’t do much good.


November 01, If you want to improve the behringers you’ll first have to find out what opamps are causing the sound you don’t like and if it’s the opamps opsmp all.

June lpamp, If you just put them in a circuit designed for cheaper opamps you can easilly make a stable circuit oscillate. Is it really just that easy?

Especially the pre amps are surprising I wonder if the source for the 450 behringer sound are just the cheap low power op amps I’ve done this before The last east german desk I guess without schematics your guess is as good as ours what opamp is best.

This all under the estimation that the thing is build like a soundcraft This btw is done because regulations from official side A big step forward?

No op-amp swaps will give you the sound you’re after. Started by StephenGiles Studio A. A whole new sound?

I am however interested to see what happens. The phonic with the opamps was much better.

Then the whole build quality is horrible anyway and that thing won’t survive for more than a few years. I’d probably try to find something the is alot easier to mod, with individual channel boards Any good argument can stop me before its too late ;- Thats this is a pretty uneconomical project is clear I have a MX Opap by the Behringer sound you mean noisy – and I mean ssshhhh noise sssshh yyy sssshhh and group inputs that suddenly stop working for no paticular reason and a PSU that has blown up twice then yep – thats a sound.

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Is the source of the Behringer sound the NJM op amp?

Eric Eric’s Audio Repair http: I would need almost to replace all Please dont think that i am crazy I build a soundraft channelstrip some time ago, at the band practice I tried it on the singers vocals without telling anyone The RFZ desk sounds interesting! The smd board of the behringer dont allows oopamp trys Started by Nat The Lab. Allmost all op amps are NJM I pretty open to any suggestion that point to risks and problems i ve overseen Any senior east german chip developer around here?

Some opamps do some things better than other opamps.