Shure catalogue 1973

Page 2

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True high fidelity sound recreation begins at the source of sound. Just as a
camera is no better than its lens, a phonograph system is no better than its
cartridge. This breathtakingly precise miniaturized electric generator (that's
really what it is) must carry the full burden ot translating the miles-long stereo
record groove into usable electrical impulses . . . and should do this without add~
ing or subtracting from what is on the recording. Knowing this. Shure quality
standards are rigidly maintained at the highest levels.

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Trackabitity is the measure of a cartridge's total performance. The "secret" of
High Trackability is to enable the stylus tip to iollotv the hyper-complex record
groove not only up to but beyond the theoretical Cutting limits 0! todays modern
recordings~-not only at a select and discrete frequenCy, but across the entire
audible spectrum-at tight tracking forces that are below both the threshold of
audible record wear and excessive stylus tip wear.

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The trackability curve above dramatizes the differences in trackability between
the v-15 Type II Improved [shown at 3):: gram) and the extraordinary Shore V-ts
Type III (shown at $1: and 1 gram). The shaded area; riErrPF'rt.t'.; t'u; fer J'l"! ml. :
theoretical limits for cutting recorded velocities. titodutati'on Vl'ntiCl'3iCS are shown
up the toil edge, trequermy range is registered across the bottom. The smoother
the curve of the cartridge being tested and the greater Its distance above the
shaded area, the greater Its trackabr'tity.
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The photomicrograph above Ielt portrays an errant. harc-tortrack castanet sound
in an otherwise conservatively modulated recording. The somewhat more heavily
modulated grooves shown above right are an exhilarating combination of llutes
and maracas with a low treouency rhythm complement from a recording cut at
sufficiently high ve'ocity to deliver precise and detinitive intonation. lull dynamic
range. and optimum signal-lonoise ratio. Neither situation is a rarity. tar from it.
They are the very essence at todays highest lidelity recordings. But when played
imth an ordinary good" quality cartridge. the stylus invariably Ioses contact with
these demanding grooves-the castanets sound raspy, while the ilute and
marucas sound furry. leaden, and "torn apart." One of the most common. most
universally audible exonples oi mistracking occurs on vocal recordings when a
cartridge attempts to track sibilant "555" and "th" sounds. Mistracking here pro-
duces clearly audible, intrusive "sicilant distortion." Increasing tracking weight
to force the stylus to stay in the groove will literally shave off the groove walls.
Only High Trackability cartridges will consistently and ettectively track all the
grooms in today's recordings at light. record-saving pressures . . . even with
Cymbals. orchestral bells. and other difticult-to-track instruments. They will prev
serve the fidelity and reduce distortion from all your records, old and new.

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CHRTRIDGES
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GLt-lflCE

PATENT NOTICE. All SMURE DVIIKTIC CARYI'UBOFS Elvu AND
PHOTESSIONAL TONE ARMS A! MANUFACTURED Ulii..[_[| ONL
OR OFF OF INC FOLIOWING U S PATENTS 2 AU 5w {Lls 95?;
3.077.591: 3.077.222. 3463.009; 0123.305. 0155.165, 418132!
("97233. DIIQJU. 0193035; 0193.007: 0193 ssr. DWI'flJ.
DELI. 02.) OTHER PAENYS PENDING