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SME
Series 300
Tonearms are strictly only available for purchase with new
Acoustic Signature Turntables.
Not for separate sale.
 TThe
Series 300 broadens the application of SME
technology.
Although the unique one-piece magnesium tone-arm
is used for the Series 300 Model 309, advanced
metal techniques produce a fabricated arm of
exceptional stiffness for the Series 300 Model
310 and 312 arms thus allowing a choice of three
arm lengths to suit all decks.
The detachable magnesium headshell has a new
style coupling, providing the convenience of
rapid cartridge interchange without loss of
rigidity.
Our designers can be justly proud of these
models which offer a performance and
manufacturing excellence unmatched by many more
expensive models.
- Unique pressure
die-cast magnesium shell detachable and
interchangeable without disturbing cartridge
or wiring.
- New design clamping
arrangement ensures rigid junction with
tone-arm.
- Internal
constrained layer damps minute residual
vibrations making tone-arm acoustically
inert.
- Stainless steel
cross shaft, ground and thread ground.
Carried in massive yoke on 10mm precision
ball races. Axis at record mean level to
minimise warp-wow.
- Unique assembly
gives high rigidity and allows bearings to
be critically adjusted before tone-arm is
fitted.
- Stainless steel
vertical shaft, ground and thread ground,
with integral 16mm diameter flange to couple
shaft and yoke.
- 23mm diameter steel
pillar, heat treated, ground and honed,
carries two 17mm precision ball races,
widely spaced to resist tilt.
- Anti-skate control
operates through tension spring and
filament. Dial corresponds with VTF and has
positive OFF position.
- Lowering/raising
control gives smooth positive action. Height
of lift can be adjusted.
- Dual-lock base
provides movement control with high
rigidity.
- Tungsten-alloy
balance weight carried on damped two-point
suspension. Extra-low inertia design assists
warp riding.
- Underslung weight
housing corrects centre of gravity and
provides non reflective tone-arm
termination.
- Swivelling, damped
output socket minimises vibration
transmission in sub-chassis use.
- Reference lines on
tone-arm facilitate VTA setting.
- Fine adjustment of
horizontal tracking angle (HTA).
- New design
alignment protractor sets HTA with great
accuracy.
- Cartridge leads
and internal wiring
LCOFC litz.
- Balanced LCOFC
audio lead with gold plated phono plugs.
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