LF
Woofer
18"
182FIND
Code: 182FINDX8-127
Woofer/18inch/Ferrite/Paper/1000W/8ohm
Key Features
- Inside / outside wound coil
- Reinforced half pressed cone
- Silicone nomex spider
Quick Specs
Impedance
8 Ω
Program Power
2000 W
Sensitivity
97.78 dB
Fs
31.00 Hz
Magnet
Ferrite
Voice Coil
101.6 mm
Design Notes
The 182FIND is a high efficiency, (98 dB 1watt / 1 meter) 18-inch woofer with extended linear frequency response characteristics. The 182FIND uses durable half-pressed paper cone assembly along with a high excursion triple roll constant geometry surround. This combination provides remarkable strength at any given situation, high efficiency and a peak to peak maximum excursion of 27mm.
Power Handling
At the core of the 182FIND is it’s voice coil technology featuring a composite Polyimide former material capable of withstanding peak temperatures in excess of 250C, well beyond the thermal requirements of modern professional audio systems. Voice coil winding is wound inside and outside of the former in the 1-3 split.
REDCATT has implemented a silicone spider design to ensure long term shape memory, consistency and diminish anomalies associated with spider deterioration.
Power Handling
At the core of the 182FIND is it’s voice coil technology featuring a composite Polyimide former material capable of withstanding peak temperatures in excess of 250C, well beyond the thermal requirements of modern professional audio systems. Voice coil winding is wound inside and outside of the former in the 1-3 split.
REDCATT has implemented a silicone spider design to ensure long term shape memory, consistency and diminish anomalies associated with spider deterioration.
Specifications
General Specs
Nominal Diameter
18"
Rated Impedance
8 Ohm
Magnet
Ferrite
Basket Material
Aluminum
Power Handling
AES Power
1000 W
Continuous Power
2000 W
Peak Power
4000 W
Voice Coil
Diameter
101.6 mm
Winding Wire
Copper
Former
Glass Fiber
Winding Height
25.5 mm
T/S Parameters
Resonant Frequency (Fs)
31.00 Hz
Re
5.50 \u2126
Qes
0.240
Qms
8.85
Qts
0.230
Vas
208.60 liters
Sd
1257.00 cm\u00B2
Mms
281.00 grams
Rms
6.18
Cms
0.0930
Bl
35.40 T\u00B7m
Le
4.920 mH
Sensitivity
97.78 dB
Design Details
Surround Material
fabric
Cone/Dome Material
Paper GF
Spider
Nomex
T-Plate
14 mm
Xmax (peak)
5.75 mm
Xmech
19.75 mm
Overall Diameter
468.00 mm
Bolt Circle Diameter
442.00 mm
Baffle Cutout Dia.
426.00 mm
Mounting Holes
8
Depth (flange to rear)
189.00 mm
Net Weight
14.00 kg
Ordering Codes
Product Code
182FINDX8-127
Downloads
Frequency Response & Impedance
2D Drawing
Technical Summary
The 182FINDX8-127 is an 18-inch professional ferrite woofer designed for high-SPL touring PA, installed sound, and cinema LF applications requiring maximum motor force and deep bass extension from an 8-ohm ferrite motor system. The driver's most distinctive design feature is its inside/outside wound voice coil ("1-3 split"), in which copper winding is applied to both the inner and outer surfaces of the 101.6 mm Polyimide former — a construction technique that doubles the effective conductor length in the magnetic gap and produces a Bl of 35.4 T·m, the highest motor force figure in the REDCATT ferrite woofer product range. The former is rated to 250°C, and the dual-surface winding improves thermal dissipation by radiating heat from both coil faces simultaneously, contributing to the 1000 W AES and 2000 W continuous power handling. The resulting Qts of 0.23 places the 182FIND firmly in the extreme-motor-force professional woofer class. The trade-off of the inside/outside winding geometry is an elevated voice coil inductance of Le=4.92 mH, which produces inductive rolloff onset at approximately 178 Hz; system designers should apply a low-pass crossover below 500 Hz in two-way configurations, or implement a 2.5-way or 3-way topology crossing the 182FIND to a midrange driver at 250–400 Hz for the cleanest programme integration. The reinforced half-pressed paper cone provides structural rigidity at the large Sd of 1257 cm², and the silicone-impregnated Nomex spider is designed for long-term shape memory to maintain consistent Fs over the installation service life. The ferrite motor assembly accounts for the 14 kg net weight — higher than neodymium equivalents — while delivering motor performance that equals or exceeds the most demanding neodymium pro woofer designs.
The 182FINDX8-127 is optimized for vented (bass reflex) enclosures across an 80 to 180 litre net internal volume range, with tuning frequencies from 34 to 48 Hz. The large cone displacement Vd of 722.8 cm³ (Sd=1257 cm² × Xmax=5.75 mm) requires a minimum port aperture of 125 mm round or 200×80 mm slot; a standard 100 mm round port produces velocities exceeding 25 m/s at all alignments and must not be used. The compact 80 L alignment, tuned to 48 Hz, delivers -3 dB at approximately 46 Hz for touring bass cabinets and high-SPL festival woofer modules, with a 125 mm round port of 198 mm length at 17.8 m/s or a 200×80 mm slot of 259 mm length at 13.6 m/s. The recommended 130 L standard alignment at 40 Hz tuning extends the -3 dB point to approximately 38 Hz, covering the full bass programme range including the low B-string of 5-string bass guitar (31 Hz) from a standard professional 18-inch bass cabinet format, with slot port velocity of 11.4 m/s within theatre and installation limits. The extended 180 L alignment at 34 Hz tuning reaches -3 dB at approximately 32 Hz for cinema LF, large-venue installed systems, and 3-way PA main speaker applications. A notable engineering property of this driver's T/S parameters is that alignments B and C produce identical port lengths — 176 mm for the 125 mm round tube and 229 mm for the 200×80 mm slot — across two different box volumes and tuning frequencies, allowing cabinet manufacturers to use common port hardware for both enclosure sizes.
The 182FINDX8-127 requires professional high-power amplification of 1000–2000 W into 8 ohms with DSP control mandatory for all alignments. A 24 dB/octave high-pass filter at 38, 30, or 25 Hz depending on alignment is required to protect the driver below tuning, where cone excursion is unconstrained; displacement-limiting DSP protection is strongly recommended at full programme power given the gap between Fs=31 Hz and the low HP filter frequency in the extended alignments. For two-way integration, a passive RC Zobel network (R=5.5 Ω, C≈162 μF) across the voice coil terminals will partially compensate the Le-induced impedance rise through the crossover region and should be considered in all passive crossover designs. DSP active systems should apply Le-compensation EQ above 200 Hz if the crossover frequency exceeds 400 Hz.
The 182FINDX8-127 is suited for: compact and standard touring PA bass enclosures requiring top-tier motor force from a ferrite 18-inch driver; installed main LF speakers for theatres, houses of worship, stadia, and outdoor arenas; cinema main LF speaker assemblies requiring programme-consistent deep bass reproduction; 3-way professional PA systems using the 182FIND as the bass section with crossover at 250–400 Hz to a midrange driver; and high-SPL festival and touring club sound systems where the weight premium of ferrite over neodymium is acceptable in exchange for the cost advantage and Bl=35.4 T·m motor performance. Its inside/outside wound coil technology, reinforced half-pressed cone, and silicone Nomex spider make it a distinctive ferrite-motor option in the REDCATT 18-inch professional woofer portfolio for applications where maximum motor force per unit cost is the primary specification driver.
The 182FINDX8-127 is optimized for vented (bass reflex) enclosures across an 80 to 180 litre net internal volume range, with tuning frequencies from 34 to 48 Hz. The large cone displacement Vd of 722.8 cm³ (Sd=1257 cm² × Xmax=5.75 mm) requires a minimum port aperture of 125 mm round or 200×80 mm slot; a standard 100 mm round port produces velocities exceeding 25 m/s at all alignments and must not be used. The compact 80 L alignment, tuned to 48 Hz, delivers -3 dB at approximately 46 Hz for touring bass cabinets and high-SPL festival woofer modules, with a 125 mm round port of 198 mm length at 17.8 m/s or a 200×80 mm slot of 259 mm length at 13.6 m/s. The recommended 130 L standard alignment at 40 Hz tuning extends the -3 dB point to approximately 38 Hz, covering the full bass programme range including the low B-string of 5-string bass guitar (31 Hz) from a standard professional 18-inch bass cabinet format, with slot port velocity of 11.4 m/s within theatre and installation limits. The extended 180 L alignment at 34 Hz tuning reaches -3 dB at approximately 32 Hz for cinema LF, large-venue installed systems, and 3-way PA main speaker applications. A notable engineering property of this driver's T/S parameters is that alignments B and C produce identical port lengths — 176 mm for the 125 mm round tube and 229 mm for the 200×80 mm slot — across two different box volumes and tuning frequencies, allowing cabinet manufacturers to use common port hardware for both enclosure sizes.
The 182FINDX8-127 requires professional high-power amplification of 1000–2000 W into 8 ohms with DSP control mandatory for all alignments. A 24 dB/octave high-pass filter at 38, 30, or 25 Hz depending on alignment is required to protect the driver below tuning, where cone excursion is unconstrained; displacement-limiting DSP protection is strongly recommended at full programme power given the gap between Fs=31 Hz and the low HP filter frequency in the extended alignments. For two-way integration, a passive RC Zobel network (R=5.5 Ω, C≈162 μF) across the voice coil terminals will partially compensate the Le-induced impedance rise through the crossover region and should be considered in all passive crossover designs. DSP active systems should apply Le-compensation EQ above 200 Hz if the crossover frequency exceeds 400 Hz.
The 182FINDX8-127 is suited for: compact and standard touring PA bass enclosures requiring top-tier motor force from a ferrite 18-inch driver; installed main LF speakers for theatres, houses of worship, stadia, and outdoor arenas; cinema main LF speaker assemblies requiring programme-consistent deep bass reproduction; 3-way professional PA systems using the 182FIND as the bass section with crossover at 250–400 Hz to a midrange driver; and high-SPL festival and touring club sound systems where the weight premium of ferrite over neodymium is acceptable in exchange for the cost advantage and Bl=35.4 T·m motor performance. Its inside/outside wound coil technology, reinforced half-pressed cone, and silicone Nomex spider make it a distinctive ferrite-motor option in the REDCATT 18-inch professional woofer portfolio for applications where maximum motor force per unit cost is the primary specification driver.
Enclosure Recommendations
ENCLOSURE RECOMMENDATIONS: 182FINDX8-127
Driver: 182FINDX8-127 (182FIND) — 18" ferrite pro woofer, 8 ohm
Key T/S: Fs=31Hz, Qts=0.23, Qes=0.24, Qms=8.85, Vas=208.6L, Sens=97.78dB
Power: AES 1000W / Cont 2000W / Peak 4000W
Xmax=5.75mm (linear), Xmech=19.75mm
Sd=1257cm², Bl=35.4T·m, Le=4.92mH, Re=5.5Ω
Voice coil: 101.6mm (4"), copper, inside/outside wound ("1-3 split"),
Polyimide former (250°C rated)
Cone: half-pressed reinforced paper (GF loaded)
Surround: fabric, triple roll constant geometry
Spider: Nomex silicone (long-term shape memory design)
Depth: 189mm | Baffle cutout: 426mm | Ferrite motor | Aluminum basket
Weight: 14 kg (net)
MOTOR DESIGN NOTE — INSIDE/OUTSIDE WOUND COIL:
The 182FIND uses REDCATT's inside/outside wound voice coil technology
("1-3 split"), in which copper winding is applied to both the inner and
outer surfaces of the composite Polyimide former. This doubles the
effective conductor length within the magnetic gap relative to a
conventional single-surface winding, producing an exceptionally high
Bl of 35.4 T·m — the highest motor force figure in the REDCATT ferrite
woofer lineup and comparable to reference-class 21-inch professional
subwoofer motors. The trade-off is a high voice coil inductance of
Le=4.92mH, which is a natural consequence of the increased total
winding length. System designers should account for this:
Inductance rolloff onset: f_Le = Re / (2π × Le)
= 5.5 / (2π × 0.00492)
≈ 178 Hz
The driver's natural acoustic response begins rolling off due to Le
above approximately 200–250 Hz. For two-way systems, a low-pass
crossover at 300–500 Hz is recommended unless DSP Le-compensation
is applied; for 3-way or 2.5-way systems, a crossover at 300–600 Hz
to a midrange driver provides the most seamless integration. Passive
RC zobel networks across the voice coil terminals can partially
compensate Le at the crossover frequency.
The inside/outside winding also improves thermal distribution: both
winding surfaces dissipate heat into the former and surrounding air
simultaneously, contributing to the 1000W AES / 2000W continuous
rating with a 250°C-rated former.
ENCLOSURE TYPE RATIONALE:
Qts=0.23 is firmly within the high-motor professional woofer class.
Vented (bass reflex) enclosures are the only appropriate alignment.
A sealed enclosure would produce a severely overdamped, low-efficiency
response with no useful bass output from this driver.
DISPLACEMENT:
Vd = Sd × Xmax = 1257 cm² × 0.575 cm = 722.8 cm³ (peak, one-way)
PORT SIZING NOTE:
Vd=722.8cm³ is large. A 100mm round port produces velocities
exceeding 25 m/s at all alignments — do not use. Minimum port:
125mm round tube or 200×80mm slot.
VENTED (BASS REFLEX) ALIGNMENTS
Ports: 125mm diameter round tube (Ap=1.227×10⁻² m²)
OR 200×80mm slot port (Ap=1.600×10⁻² m²)
Port velocity limit (pro PA / touring): ≤22 m/s
Port velocity limit (install / theatre): ≤17 m/s
ALIGNMENT A — COMPACT TOURING (80 L net internal)
Box volume: 80 L (net internal)
Tuning freq (Fb): 48 Hz
125mm round port: 198mm long
Port velocity: 17.8 m/s (peak, at Xmax)
Slot port (200×80mm): 259mm long
Port velocity: 13.6 m/s (peak, at Xmax)
System f-3dB: ~46 Hz
HP filter: 38 Hz, 24 dB/oct DSP (mandatory)
Max SPL (1000W, 1m): ~128 dB
Application: Compact touring PA woofer, 18" bass cabinet,
high-SPL bass module in line array system,
two-way bass cabinet for club and festival.
Notes: Maximum output from minimum enclosure. Fb=48Hz (1.55×Fs)
keeps cone excursion well controlled through the principal
operating band and delivers -3dB at approximately 46Hz —
covering the bass guitar open E (41Hz) at high programme
levels. The 80L cabinet at approximately 560×540×320mm
external is within the compact touring 18" format.
The 125mm round port at 198mm length fits any panel position.
The 200×80mm slot at 259mm length is the preferred option for
touring cabinetry for structural contribution and lower velocity.
The 38Hz HP filter is essential at 1000W to prevent excursion
overshoot below tuning — at this drive level the gap between
Fb and Fs (48Hz vs 31Hz) provides limited protection, and
below 38Hz cone motion is unrestrained.
ALIGNMENT B — STANDARD PA (130 L net internal)
Box volume: 130 L (net internal)
Tuning freq (Fb): 40 Hz
125mm round port: 176mm long
Port velocity: 14.8 m/s (peak, at Xmax)
Slot port (200×80mm): 229mm long
Port velocity: 11.4 m/s (peak, at Xmax)
System f-3dB: ~38 Hz
HP filter: 30 Hz, 24 dB/oct DSP (mandatory)
Max SPL (1000W, 1m): ~128 dB
Application: Standard touring and installation bass cabinet,
main LF in two-way or 3-way PA system,
installed main speaker for HoW, theatre, stadium.
Notes: The recommended all-purpose alignment. At 38Hz -3dB the
system resolves the low B-string fundamental (31Hz) and full
bass guitar range from a cabinet of approximately 640×600×360mm
external. Both port types produce velocities within theatre and
installation limits. The slot port velocity of 11.4m/s is
appropriate for permanent installation in demanding acoustic
environments. Note that alignment B and C share identical port
lengths (176mm round, 229mm slot — see below), allowing a
common port tube specification across both cabinet sizes.
ALIGNMENT C — EXTENDED LF (180 L net internal)
Box volume: 180 L (net internal)
Tuning freq (Fb): 34 Hz
125mm round port: 176mm long ← same as Alignment B
Port velocity: 12.6 m/s (peak, at Xmax)
Slot port (200×80mm): 229mm long ← same as Alignment B
Port velocity: 9.7 m/s (peak, at Xmax)
System f-3dB: ~32 Hz
HP filter: 25 Hz, 24 dB/oct DSP (mandatory)
Max SPL (1000W, 1m): ~128 dB
Application: Extended bass installation, cinema main LF,
large-venue installed woofer, 3-way system
bass section with crossover at 200-400 Hz.
Notes: The deepest alignment. At 32Hz -3dB the system approaches
the lowest fundamentals of extended-range bass guitar (low B
at 31Hz), pipe organ pedal (C0 at 16Hz harmonics are audible),
and cinema LFE content. The 180L cabinet at approximately
700×660×440mm external is a standard large-format 18" installed
bass enclosure. Internal bracing is mandatory at this volume.
PORT LENGTH COINCIDENCE (B and C): The 125mm port length of 176mm
is identical for both 130L/40Hz and 180L/34Hz alignments — and the
200×80mm slot at 229mm is also identical. This is a mathematical
consequence of the larger Vb in alignment C precisely offsetting the
lower Fb, producing the same Helmholtz resonance with the same port
geometry. Cabinet builders can use a single common port tube or slot
specification for both alignment B and C, changing only the internal
box volume to select the desired tuning.
HIGH-INDUCTANCE CROSSOVER GUIDANCE
Le=4.92mH produces significant inductive rolloff above 200Hz.
Recommended crossover approaches by system type:
2-way (woofer + compression driver):
Low-pass at 500–800Hz, 24dB/oct, with RC Zobel network across
voice coil terminals (R=Re=5.5Ω, C=Le/Re²=0.162mF) to flatten
impedance rise through crossover region.
2.5-way or 3-way:
Low-pass the 182FIND at 250–400Hz; midrange driver covers
400Hz–3kHz; HF compression driver from 3kHz up. This provides
the cleanest integration with the Le rolloff and is the
recommended approach for critical installation.
DSP active system:
Apply HF shelf or Le-compensation EQ above 200Hz to extend
flat response to 500–800Hz crossover point. Requires DSP
amplifier with parametric EQ capability.
SYSTEM SUMMARY TABLE
| Alignment | Volume | Fb | f-3dB | 125mm Port | v | 200×80 Slot | v | HP |
|-------------|---------|-------|-------|------------|--------|-------------|--------|--------|
| A Compact | 80 L | 48 Hz | ~46Hz | 198mm | 17.8 | 259mm | 13.6 | 38 Hz |
| B Standard | 130 L | 40 Hz | ~38Hz | 176mm | 14.8 | 229mm | 11.4 | 30 Hz |
| C Extended | 180 L | 34 Hz | ~32Hz | 176mm * | 12.6 | 229mm * | 9.7 | 25 Hz |
All velocity figures in m/s (peak, at Xmax).
* Identical port dimensions to Alignment B — common port hardware applies.
Sensitivity: 97.78 dB (1W/1m)
Max SPL (1000W): ~128 dB at 1m
Impedance: 8 ohm nominal (Re=5.5Ω)
Bl: 35.4 T·m (highest in REDCATT ferrite woofer lineup)
Le: 4.92mH — inductive rolloff onset at ~178Hz
Voice coil: 101.6mm (4"), copper, inside/outside wound, Polyimide 250°C
WARNING: Do not use 100mm round port — velocity exceeds limits.
Frequently Asked Questions
- - Inside / outside wound coil
- - Reinforced half pressed cone
- - Silicone nomex spider
ENCLOSURE RECOMMENDATIONS: 182FINDX8-127
Driver: 182FINDX8-127 (182FIND) — 18" ferrite pro woofer, 8 ohm
Key T/S: Fs=31Hz, Qts=0.23, Qes=0.24, Qms=8.85, Vas=208.6L, Sens=97.78dB
Power: AES 1000W / Cont 2000W / Peak 4000W
Xmax=5.75mm (linear), Xmech=19.75mm
Sd=1257cm², Bl=35.4T·m, Le=4.92mH, Re=5.5Ω
Voice coil: 101.6mm (4"), copper, inside/outside wound ("1-3 split"),
Polyimide former (250°C rated)
Cone: half-pressed reinforced paper (GF loaded)
Surround: fabric, triple roll constant geometry
Spider: Nomex silicone (long-term shape memory design)
Depth: 189mm | Baffle cutout: 426mm | Ferrite motor | Aluminum basket
Weight: 14 kg (net)
MOTOR DESIGN NOTE — INSIDE/OUTSIDE WOUND COIL:
The 182FIND uses REDCATT's inside/outside wound voice coil technology
("1-3 split"), in which copper winding is applied to both the inner and
outer surfaces of the composite Polyimide former. This doubles the
effective conductor length within the magnetic gap relative to a
conventional single-surface winding, producing an exceptionally high
Bl of 35.4 T·m — the highest motor force figure in the REDCATT ferrite
woofer lineup and comparable to reference-class 21-inch professional
subwoofer motors. The trade-off is a high voice coil inductance of
Le=4.92mH, which is a natural consequence of the increased total
winding length. System designers should account for this:
Inductance rolloff onset: f_Le = Re / (2π × Le)
= 5.5 / (2π × 0.0...
The 182FINDX8-127 is an 18-inch professional ferrite woofer designed for high-SPL touring PA, installed sound, and cinema LF applications requiring maximum motor force and deep bass extension from an 8-ohm ferrite motor system. The driver's most distinctive design feature is its inside/outside wound voice coil ("1-3 split"), in which copper winding is applied to both the inner and outer surfaces of the 101.6 mm Polyimide former — a construction technique that doubles the effective conductor length in the magnetic gap and produces a Bl of 35.4 T·m, the highest motor force figure in the REDCATT ferrite woofer product range. The former is rated to 250°C, and the dual-surface winding improves thermal dissipation by radiating heat from both coil faces simultaneously, contributing to the 1000 W AES and 2000 W continuous power handling. The resulting Qts of 0.23 places the 182FIND firmly in the extreme-motor-force professional woofer class. The trade-off of the inside/outside winding geometry is an elevated voice coil inductance of Le=4.92 mH, which produces inductive rolloff onset at approximately 178 Hz; system designers should apply a low-pass crossover below 500 Hz in two-way configurations, or implement a 2.5-way or 3-way topology crossing the 182FIND to a midrange driver at 250–400 Hz for the cleanest programme integration. The reinforced half-pressed paper cone provides structural rigidity at the large Sd of 1257 cm², and the silicone-impregnated Nomex spider is designed for long-term shape memory to maintain consistent Fs over the installation service life. The ferrite motor assembly accounts for the 14 kg net weight — higher than neodymium equivalents — while delivering motor performance that equals or exceeds the most demanding neodymium pro woofer designs.
The 182FINDX8-127 is optimized for vented (bass reflex) enclosures across an 80 to 180 litre net internal volume range, with tuning frequencies from 34 to 48 Hz. The large cone displacement Vd of 722.8 cm³ (Sd=1257 cm² × Xmax=5.75 mm) requires a minimum port aperture of 125 mm round or 200×80 mm slot; a standard 100 mm round port produces velocities exceeding 25 m/s at all alignments and must not be used. The compact 80 L alignment, tuned to 48 Hz, delivers -3 dB at approximately 46 Hz for touring bass cabinets and high-SPL festival woofer modules, with a 125 mm round port of 198 mm length at 17.8 m/s or a 200×80 mm slot of 259 mm length at 13.6 m/s. The recommended 130 L standard alignment at 40 Hz tuning extends the -3 dB point to approximately 38 Hz, covering the full bass programme range including the low B-string of 5-string bass guitar (31 Hz) from a standard professional 18-inch bass cabinet format, with slot port velocity of 11.4 m/s within theatre and installation limits. The extended 180 L alignment at 34 Hz tuning reaches -3 dB at approximately 32 Hz for cinema LF, large-venue installed systems, and 3-way PA main speaker applications. A notable engineering property of this driver's T/S parameters is that alignments B and C produce identical port lengths — 176 mm for the 125 mm round tube and 229 mm for the 200×80 mm slot — across two different box volumes and tuning frequencies, allowing cabinet manufacturers to use common port hardware for both enclosure sizes.
The 182FINDX8-127 requires professional high-power amplification of 1000–2000 W into 8 ohms with DSP control mandatory for all alignments. A 24 dB/octave high-pass filter at 38, 30, or 25 Hz depending on alignment is required to protect the driver below tuning, where cone excursion is unconstrained; displacement-limiting DSP protection is strongly recommended at full programme power given the gap between Fs=31 Hz and the low HP filter frequency in the extended alignments. For two-way integration, a passive RC Zobel network (R=5.5 Ω, C≈162 μF) across the voice coil terminals will partially compensate the Le-induced impedance rise through the crossover region and should be considered in all passive crossover designs. DSP active systems should apply Le-compensation EQ above 200 Hz if the crossover frequency exceeds 400 Hz.
The 182FINDX8-127 is suited for: compact and standard touring PA bass enclosures requiring top-tier motor force from a ferrite 18-inch driver; installed main LF speakers for theatres, houses of worship, stadia, and outdoor arenas; cinema main LF speaker assemblies requiring programme-consistent deep bass reproduction; 3-way professional PA systems using the 182FIND as the bass section with crossover at 250–400 Hz to a midrange driver; and high-SPL festival and touring club sound systems where the weight premium of ferrite over neodymium is acceptable in exchange for the cost advantage and Bl=35.4 T·m motor performance. Its inside/outside wound coil technology, reinforced half-pressed cone, and silicone Nomex spider make it a distinctive ferrite-motor option in the REDCATT 18-inch professional woofer portfolio for applications where maximum motor force per unit cost is the primary specification driver.
AES Power: 1000 W,
Continuous: 2000 W,
Peak: 4000 W.
Sensitivity: 97.78 dB (1W/1m).
