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I have several hundred mono classical, many are from the early fifties and from what I have learned about that here, some may not have been recorded with the RIAA equalization curve. A few questions if I may-
1-how do you know what equalization was used if there is no information on the label stating what curve was used? Some later London's state RIAA curve used but earlier ones don't say anything at all
2-did different labels use different curves until the late 50's?
3-is there a preamp out there with standard curves that might have been used back then, so you could just push a switch and keep trying different curves until it sounds "best"?
4-without a mono cartridge, but with a mono switch on the integrated amp I use, could I even tell the difference.
I ask all this since some early records I have sound great and others somewhat muffled or less bright, and I don't know why. Thanks Norm
Follow Ups:
Make sure you scroll down and visit the links that list eq for many many labels and time periods (link title - Record Label Usages)
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It sounds as though the bugle pro would take care of all my concerns. Is it a stand alone item or could it be used in series with one of your other phono pre's like the coronet. I just wonder what combo or single item would give you the very best sound. Thanks Norm
can't answer that.The Bugle Pro is a 'stand alone' phono preamp. You can build it to 40-60dB gain and whatever loading is fit for the cart you are using. You need no other device. If you have a LOMC you may be able to add the Piccoloo when it becomes available for more variable gaina dn loading that should accomodate most LOMC cartridges.
I have recently changed the opamps and I very much like the sound of mine. I built it to 50dB gain and use a Denon AU300LC sut to accomodate my DL-103 cartridge. I will add the Piccolo when it becomes available and ditch the Denon SUT. So you can call me a happy committed user.
~Slainte, Pardner
The OMalley
I love the thing. Works in all the ways you are interested in. Do a general search on google for RIAA pre information.
~Slainte, Pardner
The OMalley
They seem to need a little re-equalization.Maybe it would take someone who is willing to experiment with different EQs to get it right.
you will probably find a curve for the record in hand.
If it's a stereo chancesare very high that is using the RIAA curve. Even so, you can adjust. Some recordings are shrill. You can use the curvesin asimilarway as a tone control excpet you are changin the re-equalization.But to answer your question directly the Bugle Pro has the curve for Columbia LPs.
~Slainte, Pardner
The OMalley
Check out the following website.
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