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  • op amp upgrade suggestions for 5532 and 5534 - GroupDIY Audio Forum
    The 5534 is a single amp meaning, it is a SINGLE amp in the package, and for obvious reasons the pin out configuration will differ from the 5532 opa134 would go in place of 5532 the opa 2134 would go in place of the 5534
  • NE5534AN - GroupDIY Audio Forum
    The FWIW-suggestion was 5534 Philips (as TS also mentioned), iso 5534 Phillips Or Signetics indeed, … but I doubt a legit 5534 from NXP exists NXP was founded after Philips-production stopped (Perhaps a rare last remaining batch was sold with NXP-markings, don't know)
  • 5534 opamp based active summing with EV10862 and 10852 (added schems)
    I have 4 neve 10862 cards each with belcere tf10016 tx preceeding a 5534 line amp buffer Sadly I have no schematics but it looks like it is a simple circuit I also have 2 EV 10852 cards which are 2 channel discrete line amps driving willesden "pumpkin" 1:1 transformers
  • OPA134AP vs NE5534? - GroupDIY Audio Forum
    The 134 datasheet shows that pin 5 is NC and pin 8 is for offset a 5534 uses pin 5 as compensation It looks like in this case NC means "Don't" rather than "Not needed" Try pulling the 100pF from between pins 5 and 8 as strictly speaking it's not a pin compatible drop in replacement
  • NE5534 substitute - GroupDIY Audio Forum
    problem is, that 5534 is decompensated, OP27 is compensated If you use 5534 in gains smaller than 3 i e follower, you must plug external comp capacitors 25 pF if you use OP27, you can not use capacitors for folower NE5532 is internaly compensated xvlk
  • Discrete opamps in place of NE5534 | GroupDIY Audio Forum
    If you have a look at the pictures on the web site the 99v boards can take both 5534's discrete amps but the way this is achieved is by having 2 different sets of pins: 1 set for a regular opamp ie 5534 opa2604 etc and the other set for discrete amps that match the 2520 footprint - these are significantly larger than the average 5534
  • Replacing ne5534s with doas | GroupDIY Audio Forum
    Thanks for the encouragement Baltimore The person i bought these daughter cards from was using them on the output amps of his 110 to replace the 5534's with doa's I'm interested in doing that to a few of my output cards, but i was even more interested in replacing the some of the 5534's in the channel strips
  • using opa627 for ne5534? | GroupDIY Audio Forum
    So in many cases you CAN just stuff a 627 in a 5534 hole Be darn sure you have good supply bypasses close to the chip The 627 has negligible rail rejection above 1MHz, and is liable to oscillate in a layout where a 5534 isn't quite unstable 627 has higher voltage noise (much lower current noise) than 5534
  • NE5534 as mic pre without input transformer | GroupDIY Audio Forum
    The transformer gets you 20dB of 'free' gain, so the signal is now louder, as well as the noise from the microphone So, by comparison, the 5534's high noise is now proportionally less noisy when compared to the stepped up source signal and its noise
  • tda-1034N aka NE-5534 best repacement? | GroupDIY Audio Forum
    The earlyest one i have is a MM2 modular mixer this means that every thing is modular, the generation after that is the LDC the first is with discreete plug in amps the second with one or two tda plug in amps the last one is the one you have with a redisigned channel and opamp based





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