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"the best sounding recording chain" is, one assumes  one with fidelity, 
which neither adds to, nor takes away from the original input. That is very 
easy to achieve these days, at least with RIAA preamps and A/D converters. 
We can even bypass the RIAA stage, doing  it later digitally.

Even moderately priced A/D converters these days are more than up to this 
task. It should be a walk in the park, comparatively speaking.  The 
overwhelming weak links in the chain will be in the analog domain, namely, 
the inherent limitations of the analog vinyl disc itself, its condition, how 
well it is cleaned and how well it is played.  The other weak link is the 
skill of the person doing the work. A sufficiently competent person knows 
his tools, how to achieve the best results with them and just gets on with 
the job.

I dont understand the reason for this survey. My 2 cents' worth.

Tim Gillett

Perth,
Western Australia




----- Original Message ----- 
From: "Brewster Kahle" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 24, 2019 2:07 AM
Subject: [ARSCLIST] help us select A/D and phono preamp for an upcoming LP 
project?


ARSCers,

Building on the Great 78 Project <https://great78.archive.org>, the
Internet Archive <https://archive.org/details/archive.org> is working
towards a new project to digitize LPs. Dubbed “Lost Vinyl”, the project
seeks to preserve LPs focusing on those that never made it to the
digital world.

We are seeking community feedback to help us find the best sounding
recording chain.

In this item ( https://archive.org/details/lostvinylsamples ) you will
find 5 sets of LP transfers of 5 very different musical styles done with
4 combinations of phono-preamp and analog to digital converter. The
components cost anywhere from a few hundred dollars to several thousand
dollars. The demo files were prepared by the technical engineering staff
at George Blood LP <https://www.georgeblood.com>. Performance
specifications were verified (all RIAA preamps are within 2dB of each
other at any frequency, most within 0.1 or 0.5 dB), levels were matched
at each stage, and all are recorded at 96/24. The files have been
renamed in different orders to obscure their provenance. Only one person
has the key to which file was made with which combination of hardware.

The hardware used includes:
RDL (Radio Design Labs) EZ-PH1 phono preamp
TimeStep phono preamp
Focusrite Scarlette A/D covertor
Prism Lyra A/D convertor

The combinations are (in no particular order):
RDL into Lyra
RDL into Scarlette
TimeStep into Lyra
Lyra standalone (using instrument input terminated by 47 kOhms resistor
with RIAA EQ preset)

Please add your comments in the reviews of the item containing the
samples https://archive.org/details/lostvinylsamples.
To reiterate-- the samples are made with different equipment and are not
consistent from one work to the next.

Thank you for helping! If you would to participate in other ways,
please let us know.

https://archive.org/details/lostvinylsamples

-brewster 


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