Fostex NF-1 User Manual
NF-1Series
Near Field Studio Monitors
PROFESSIONAL
Main features
■
Double spidered 16cm (6.5 inch)
woofer featuring a newly developed
HP diaphragm which delivers a
highly transient sound, wide
directivity and exact sound imaging
with extraordinary low distortion
■
A UDR tangential diaphragm edge
eliminates unwanted antiresonance. This, combined with the
use of a push-pull damper in the
woofer assembly results in a superaccurate response at even the most
subtlest of audio signals
■
Wide-range UFLC soft dome tweeter
reproduces signals up to 40kHz
■
Highly rigid cast aluminium frames
for both woofer and tweeter units
keep unwanted vibrations and
resonances to a minimum
■
Magnetically shielded - can be used in
close proximity to a video monitor
■
Unique time-aligned enclosure
features a baffle configuration and
HP sound reflectors resulting in a
near-perfect internal enclosure
environment
■
Careful placement of drivers and
innovative enclosure design allows
for a wide optimum listening area
NF-1A
■
Dedicated bi-amplifier (60W
LF + 60W HF) drives both
drivers electrical isolation
PROFESSIONAL
■
A large sized R-core power
transformer ensures stability
of low frequencies - even at
high pressure levels
■
balanced XLR and
unbalanced phone input
connectors
■
3-point (H/H-M/L) audio
adjusting filters &
independent tweeter control
NF-1Series
Near Field Studio Monitors
HYPERBOLIC PARABOLOID
DIAPHRAGM
The NF-1series employ the world’s
first implementation of an HP structure
in an near field monitor.
Unlike conventional diaphragms, the
curved surface of the HP diaphragm
offers increased responsiveness and
resonance-free operation.
UFLC DIAPHRAGM
SOFT DOME TWEETER
The utilisation of a UFLC (polyUrethane
Film Laminated Cloth) diaphragm in
the NF-1’s soft dome tweeter allows
for the highest possible fidelity and
sound reproduction - even at
extremely high frequencies.
Something which, until now, has not
been possible with conventional soft
dome technologies.
True and accurate monitoring is the
utopia sought by recording studios,
video post houses, remote broadcast
facilities and project studios the
world over. Monitoring which
truthfully reproduce all aspects of
the program material free from any
sonic coloration and distortion.
Yet this is exactly what the new and
innovative Fostex NF-1 (passive) and
NF-1A (active) Near Field Studio
Monitors do.
Nothing more, nothing less.
And at any volume.
Here are nearfield reference
monitors meticulously designed to
be completely neutral, to offer the
widest frequency range, to minimise
listening fatigue and to allow you to
accurately pinpoint and analyse all
aspects of your creative output.
In short, they set a new standard.
But isn’t this something you have
A BREAKTHROUGH
IN DRIVER TECHNOLOGY
By using an HP diaphragm, the NF-1/NF-1A
set new standards in driver unit design.
heard before? After all, many
manufactures will make the same
sort of claims for their studio
monitors. But few, if any back it up
with hard, scientific facts.
Fostex however can and do, because
they’ve made real advances in
speaker and enclosure design
technology which has resulted in,
what could be, the perfect reference
monitor.
BLANK SHEET OF PAPER
So what makes the NF-1 series so
different? For a start, Fostex started
with a blank sheet of paper when
designing the three crucial
components of the NF-1/NF-1A; the
low frequency woofer unit, the high
frequency tweeter unit and the
speaker enclosure.
Nothing was taken for granted.
Nothing was assumed.
HP DIAPHRAGM
The NF-1/NF-1A employ a
completely new type of low
frequency unit featuring a newly
developed HP (Hyperbolic
paraboloid) diaphragm.
The 3rd-order curved surface
structure of this technology results
in the ability to reproduce faster-
rising sounds more responsively, the
minimisation of self-resonating
frequencies and the total lack of
sound colorisation characteristics.
But Fostex didn’t stop there. New
technology also shows itself in the
UDR (Up/Down Roll) tangential edge
structure of the low frequency unit.
This edge is created by joining up-
roll and down-roll at their tangential
surfaces while utilising FEM model
analysis to determined the optimum
bonding points.
PROFESSIONAL NEAR FIELD STUDIO MONITORS
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