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In Reply to: RE: OP Amps, Whats Your Opinion? posted by AudioSoul on June 24, 2015 at 09:48:49
All opamps work in Class B with heavy negatve feedback [ transient intermodulation distortion ] to compensate crossover distortion and because many stages to reduce noise.
You only hear this after a while, listening fatigue.
But all this is masqued by solid state amp's (class B or AB), CD and other digital sources.
In an all valve setup with non-digital vinyl there is no place for opamp's, keep it pure I would say.With modern manipulated CD's , solid state amp's, radio, internetsources an opamp more or less is not relevant. HIGH FIDELITY is long gone, that's why merchandisers say: REAL DIGITAL QUALITY, STEREO SOUND, etc. Nobody say's HIFI anymore because it is not HIFI. Real HIFI stopped with digital, solidstate amp's, miniboxes,midiboxes, yes, even stereo imho.
Edits: 06/24/15Follow Ups:
> > All opamps work in class B.
Really?
It's quite easy to bias an opamp to operate in class-A operation. One of many threads on the topic: http://ocw.mit.edu/courses/media-arts-and-sciences/mas-836-sensor-technologies-for-interactive-environments-spring-2011/readings/MITMAS_836S11_read02_bias.pdf
Yes, isn't that proof that opamps suck ? Doesn't help much.
And: what does that help the general musiclovers who trustfully and innocent buy their gear ? Technicians/hifi people know their way, does one have to be a thorough electronics expert to finally enjoy favorite music ?
Opamps are great building blocks for computers, phones, TV, telecom, medical gear but not for HIFI. Digital is for convenience, not for music. Stereo is an annoying special effect and so on, don't break my mouth open.
Maybe it's time to get out and listen to some new gear? Be sure to pick up one of these first and use it before doing so.
Your opinion is fairly misconceived, although very stereo-audiophile-typical.
No, you're wrong, I'm no audiophile or something weird like that.
I am a music lover and just ventilating my hangup's regarding bad sound.
Grown up with analogue and valves, until now. All "new" things sucked, stereo, solid state, quadro, digital, multichannel, you obviously defend new things because you paid lots of money, I understand, once I dreamed to, but now I see clear.
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