The 18sound first Air Motion Transformer, delivers the market a new benchmark in terms of quality and reliability.A
unique magnetic structure and the strongest Neo magnet, together with
the highest quality membrane components are setting the new level for
high quality planar high frequency reproduction with the lowest possible
distortion level in the pro audio field and an unmatched transient
response. DATENBLATT
The 18sound first Air Motion Transformer, delivers the market a new benchmark in terms of quality and reliability.A
unique magnetic structure and the strongest Neo magnet, together with
the highest quality membrane components are setting the new level for
high quality planar high frequency reproduction with the lowest possible
distortion level in the pro audio field and an unmatched transient
response. DATENBLATT
The HD1030 1 inch exit high frequency compression driver has been
designed for use in two-way audio systems. The transducer exhibits a
constant slope response from 1.5kHz to 18kHz with a uniform and smooth
roll-off. With a 800 Hz free air resonance frequency, the HD1030 can
easily be cut-off at 1800Hz and is capable of 60W continuous power
handling with a 1800Hz pink-noise signal, and a 6dB crest factor with a
minimum 12dB/oct crossover slope. Equipped with unique Phase Plug
architecture, the HD1030 has been designed to give a smooth coherent
wavefront at the horn entrance in the whole working frequency range, as
well as high level manufacturing consistency. The phase plug with its
short openings and high flare rate value assures low distortion and
demonstrates remarkable improvements in mid-high frequency reproduction.
The titanium diaphragm assembly, with its ellipsoidal suspension
shape, exhibits a constant slope response from 1.5kHz up to 18kHz with
uniform smooth roll-off behavior. An edge-wound aluminum voice coil,
wound on proprietary treated Nomex, completes the diaphragm assembly.
Nomex shows a 30% higher value of tensile elongation at a working
operative temperature (200°C) when compared to Kapton. This feature
enables proper energy transfer control from the voice coil to the dome
in real working conditions. Moreover, this proprietary former material
is also suitable for use in higher moisture content environments. The
HD1030 powerful ceramic magnet assembly has been designed to obtain 15
KGauss in the gap within a compact ferrite motor structure.DATENBLATT
The HD1040 one inch exit high frequency compression driver has been
designed for use in high quality audio systems. Equipped with
proprietary Phase Plug architecture, the HD1040 has been designed to
give high level manufacturing consistency and smooth coherent wave front
at the horn entrance across the whole working frequency range. The
phase plug with its short openings and high flare rate value assures low
distortion and demonstrates remarkable improvements in mid-high
frequency reproduction. The HD1040 diaphragm assembly is made by
proprietary treated Polyethylene material. Thanks to its superior
diaphragm dimensional stability (160°C), the polyethilene shows constant
behaviour during its whole working life. Moreover, this particular
material with its very high value of elasticity modulus, (50% more than
standard Mylar and 100% more than polyimide film) is capable of superior
transient and intermodulation distortion response. The flat suspension
shape is designed to maintain low stiffness and low mid band distortion
and response. An edge-wound aluminum voice coil wound on proprietary
treated Nomex completes the diaphragm assembly. Thanks to its physical
properties, the proprietary treated Nomex former shows a 30% higher
value of tensile elongation at a working operative temperature, (200°C)
when compared to Kapton. This feature enables proper energy transfer
control from the voice coil to the dome in real working conditions.
Moreover, this proprietary former material is suitable for use in damp
and wet environments. The HD1040 powerful ceramic magnet assembly has
been designed to obtain 16 KGauss in the gap within a compact ferrite
motor structure.DATENBLATT
The HD1050 one inch exit high frequency compression driver has been
designed for use in high quality audio systems. Equipped with Eighteen
Sound proprietary Phase Plug architecture, the HD1050 has been designed
to give high level manufacturing consistency and smooth coherent wave
front at the horn entrance across the whole working frequency range. The
phase plug with its short openings and high flare rate value assures
low distortion and demonstrates remarkable improvements in mid-high
frequency reproduction. The diaphragm assembly is composed of a
titanium dome sandwiched to a proprietary treated polyester suspension
unit. It has been designed to maintain low resonance, lowering the
minimum crossover point value at 1,4kHz. An edge-wound aluminum voice
coil, wound on proprietary treated Nomex, completes the diaphragm
assembly. Thanks to its physical properties, the proprietary treated
Nomex former has a 30% higher value of tensile elongation at a working
operative temperature (200°C) when compared to Kapton. This feature
enables proper energy transfer control from the voice coil to the dome
in real working conditions. Moreover, this proprietary former material
is also suitable to for use in higher moisture content environments.
The HD1050 powerful ceramic magnet assembly has been designed to obtain
16 KGauss in the gap and within a compact ferrite motor structure.DATENBLATT
The HD125 1 inch exit HF unit has been designed as the natural evolution
of the industry standard HD120 compression driver. It delivers an
unmatched combination of extended linear frequency response and very
high efficiency.
The HD125 diaphragm assembly is made in proprietary treated polyethylene
material. This design maintains the minimum resonance frequency point
value at 1600 Hz, extending the frequency response in the mid region
when compared to HD120 compression driver.
The design of diaphragm and its surround in polyester material allow a
best movement and stress control; the special radial ribs increase
stiffness avoiding uncontrolled vibration modes in the usable frequency
range.
An edge-wound aluminum voice coil, wounded on proprietary treated Nomex,
completes diaphragm assembly. Thanks to its physical properties, the
voice coil former shows 30% higher value of tensile elongation at
working operative temperature (200°C) when compared to Kapton. This plus
is capable to keep properly energy transfer control to the dome in real
working conditions. Moreover, this particular former material is
suitable to work also in higher moisture contents environments.
The polypropylene phase plug is the result of a meticulous design
exercise. Its shape assures the correct acoustic impedance of the
radiating dome, reducing distortion levels across a very wide frequency
range. At the end, it results in a smooth coherent wavefront in the horn
entrance, high thermal stability and manufacturing consistency.
The HD125 compact size and lightweight ceramic magnet assembly has been designed to obtain 16 KGauss in the gap.DATENBLATT
The HD125 1 inch exit HF unit has been designed as the natural evolution
of the industry standard HD120 compression driver. It delivers an
unmatched combination of extended linear frequency response and very
high efficiency.
The HD125 diaphragm assembly is made in proprietary treated polyethylene
material. This design maintains the minimum resonance frequency point
value at 1600 Hz, extending the frequency response in the mid region
when compared to HD120 compression driver.
The design of diaphragm and its surround in polyester material allow a
best movement and stress control; the special radial ribs increase
stiffness avoiding uncontrolled vibration modes in the usable frequency
range.
An edge-wound aluminum voice coil, wounded on proprietary treated Nomex,
completes diaphragm assembly. Thanks to its physical properties, the
voice coil former shows 30% higher value of tensile elongation at
working operative temperature (200°C) when compared to Kapton. This plus
is capable to keep properly energy transfer control to the dome in real
working conditions. Moreover, this particular former material is
suitable to work also in higher moisture contents environments.
The polypropylene phase plug is the result of a meticulous design
exercise. Its shape assures the correct acoustic impedance of the
radiating dome, reducing distortion levels across a very wide frequency
range. At the end, it results in a smooth coherent wavefront in the horn
entrance, high thermal stability and manufacturing consistency.
The HD125 compact size and lightweight ceramic magnet assembly has been designed to obtain 16 KGauss in the gap.DATENBLATT
The HD1480T 1.4 inch exit high frequency compression driver has been
designed for use in high quality installed audio systems, where weight
is not the key issue. The motor structure, throughout the precisely
coherent phase plug with 3 circumferential slots and copper ring on the
pole piece, reduces inductance effects and distortion. Four top plate
air ducts have been designed to act as a loading chamber for the
diaphragm, implementing mid band distortion and response figures. The
HD1480T diaphragm assembly is composed of a titanium dome sandwiched to a
proprietary treated polyester suspension unit. It has been designed to
maintain low resonance, lowering the minimum crossover point value at
1,2kHz. Thanks to its physical properties, the proprietary treated
Nomex former has a 30% higher value of tensile elongation at a working
operative temperature (200°C) when compared to Kapton. This feature
enables proper energy transfer control from the voice coil to the dome
in real working conditions. Moreover, this proprietary former material
is also suitable to for use in higher moisture content environments. The
HD1480T powerful ceramic magnet assembly has been designed to obtain
16KGauss in the gap. Excellent heat dissipation and thermal exchange are
guaranteed by the direct contact between the magnetic structure and the
diecast aluminum heatsink which leads to a lower power compression
value.DATENBLATT
The HD2000 1.4 inch exit high frequency compression driver has been designed for use in high quality audio systems.
The titanium diaphragm is produced in-house and has been developed to
assure unmatched transient response. A proprietary treated Nomex former
with edge-wound copper-clad aluminum wire (CCAW) 60mm voice coil
completes diaphragm assembly. It has been made by joining the
proprietary-treated Nomex former directly to the titanium dome through
its upper bend edge. In comparison with a usual straight former joint,
the driver design assures extended frequency energy transfer for
improved response linearity and unparalleled reliability. This feature
maintains proper motion control of the dome in real working conditions.
Due to its physical properties, the proprietary-treated Nomex former
shows a 30% higher value of tensile elongation at working operative
temperatures (200°C) when compared to Kapton. Moreover, this material is
suitable to work also in higher moisture-content environments.
Equipped with Proprietary Phase Plug 3P architecture, the HD2000 has
been designed to give a smooth coherent wave front at the horn entrance
in all working frequency ranges with a high level manufacturing
consistency. The phase plug with its short openings and high flare rate,
assures low distortion with excellent mid-high frequency reproduction.
The HD2000 powerful ceramic magnet assembly has been designed to
obtain 16 kGauss in the gap within a compact ferrite motor structure.
The motor structure is equipped with copper ring on the pole piece,
reducing inductance effect and distortion.DATENBLATT
The HD2020 2 inch exit high frequency compression driver has been
designed for use in high quality audio systems.
The titanium diaphragm is produced in-house and has been developed to
assure unmatched transient response. A proprietary treated Nomex former
with edge-wound copper-clad aluminum wire (CCAW) 60mm voice coil
completes diaphragm assembly. It has been made by joining the
proprietary-treated Nomex former directly to the titanium dome through
its upper bend edge. In comparison with a usual straight former joint,
the driver design assures extended frequency energy transfer for
improved response linearity and unparalleled reliability. This feature
maintains proper motion control of the dome in real working conditions.
Due to its physical properties, the proprietary-treated Nomex former
shows a 30% higher value of tensile elongation at working operative
temperatures (200°C) when compared to Kapton. Moreover, this material is
suitable to work also in higher moisture-content environments.
Equipped with Proprietary Phase Plug 3P architecture, the HD2020 has
been designed to give a smooth coherent wave front at the horn entrance
in all working frequency ranges with a high level manufacturing
consistency. The phase plug with its short openings and high flare rate,
assures low distortion with excellent mid-high frequency reproduction.
The HD2020 powerful ceramic magnet assembly has been designed to obtain
16 kGauss in the gap within a compact ferrite motor structure. The motor
structure is equipped with copper ring on the pole piece, reducing
inductance effect and distortion.DATENBLATT
The HD2080T 2-inch exit high frequency compression driver has been
designed for use in high quality installed audio systems, where weight
is not the key issue. The motor structure, throughout the precisely
coherent phase plug with 3 circumferential slots and copper ring on the
pole piece, reduces inductance effects and distortion. Four top plate
air ducts have been designed to act as a loading chamber for the
diaphragm, implementing mid band distortion and response figures. The
HD2080T diaphragm assembly is composed of a titanium dome sandwiched to a
proprietary treated polyester suspension unit. It has been designed to
maintain low resonance, lowering the minimum crossover point value at
1,2kHz. Thanks to its physical properties, the proprietary treated
Nomex former has a 30% higher value of tensile elongation at a working
operative temperature (200°C) when compared to Kapton. This feature
enables proper energy transfer control from the voice coil to the dome
in real working conditions. Moreover, this proprietary former material
is also suitable to for use in higher moisture content environments. The
HD2080T powerful ceramic magnet assembly has been designed to obtain
16KGauss in the gap. Excellent heat dissipation and thermal exchange are
guaranteed by the direct contact between the magnetic structure and the
aluminum cover which leads to a lower power compression value.DATENBLATT
112 dB SPL 1W-1m average sensitivity 1.4 inch exit throat 240W maximum program power handling Next-gen 4 slot phase plug design Edgewound 75 mm (3 in) CCAW voice coil Titanium Dome over PEN suspension diaphragm assembly HF copper ring for reduced distortion and increased outputDATENBLATT
110 dB SPL 1W-1m average sensitivity
2 inch exit throat
220W maximum program power handling
Next-gen 4 slot phase plug design
Edgewound 75 mm (3 in) CCAW voice coil
Titanium Dome over PEN suspension diaphragm assembly
HF copper ring for reduced distortion and increased outputDATENBLATT
The ND1018BT 1-inch exit high frequency compression driver is designed
for high quality two-way systems applications. Equipped with proprietary
Phase Plug architecture, the ND1018BT compression driver offers high
level manufacturing consistency and smooth coherent wavefront at horn
entrance over all the working frequency range. The phase plug design
with short openings and high flare rate value assures low distortion and
remarkable improvements in mid-high frequency reproduction. With its
ellipsoidal suspension shape, the ND1018BT titanium diaphragm assembly
exhibits constant slope response from 1kHz to 18kHz with uniform smooth
roll-off behavior. An edge-wound aluminum voice coil, wounded on
proprietary treated Nomex, completes diaphragm assembly. Thanks to its
physical properties, the proprietary treated Nomex former shows 30%
higher value of tensile elongation at working operative temperature
(200°C) when compared to Kapton. Moreover, this proprietary former
material is suitable to work also in higher moisture contents
environments. Through careful use of elementary pieces of neodymium
magnets, Eighteen Sound engineers have developed a powerful neodymium
magnet assembly able to reach 18 KGauss in the gap in compact and
lightweight structure. A copper ring on the pole piece reduces
inductance above 10 kHz improving phase and impedance linearization.
The custom designed O-ring creates a tight seal between the plate and
the cover assuring air chamber loading. For the increase in use of high
power audio systems at outdoor events or in marine environments, the
ability to perform properly under inclement weather conditions is a
key-point of the Eighteen Sound philosophy. In addition, the special
treatment applied to the magnet and the top and back plates of the
magnetic structure makes the driver more resistant to the corrosive
effects of salts and oxidization.DATENBLATT
The ND1020 1-inch exit high frequency compression driver has been
designed for use in situations where the highest possible sound quality
is required.Polyethylene Naphthalate (PEN) has been used for the
diaphragm assembly, giving to ND1020 a superior diaphragm dimensional
stability compared to conventional Mylar film (160°C as a thermal rating
compared to 105°C for PET) and maintaining a constant performance
during its whole working life. PEN film, with its very high value of
elasticity modulus (6000MPa compared to 4000MPa for PET and 2800MPa for
polyimide film), is capable of a superior transient and intermodulation
distortion response. The flat punched suspension shape has been designed
to maintain low stiffness for superior low mid band distortion and
response.An edge-wound copper clad aluminum voice coil wound on
treated Nomex completes the diaphragm assembly. Nomex shows a 20% higher
value of tensile elongation at 200°C than the value at room
temperature, (in comparison, Kapton tensile elongation is 30% lower at
200°C than the value at room temperature). Hence, Nomex is capable of
keeping energy transfer from the voice coil to the dome under control,
especially when the voice coil reaches high temperatures. As a plus,
treated Nomex former voice coil can work well even in high moisture
content environments, thanks to its very low porosity.The ND1020 is
equipped with unique Phase Plug architecture, designed to give smooth
coherent wave front at the horn entrance over the whole working
frequency range, as well as high level manufacturing consistency. The
phase plug design shows short openings and high flare rate value,
assuring low distortion and demonstrates remarkable improvements in
mid-high frequency reproduction.By carefully using elementary pieces
of neodymium magnets, Eighteen Sound engineers have developed a
powerful neodymium magnet assembly capable of reaching 18KGauss in the
gap within a compact and lightweight structure.DATENBLATT