TF1830
18-inch pressed steel chassis, ferrite magnet subwoofer
- Balanced Airflow Venting provides enhanced cooling
- Multi-layer voice coil
- Compact high flux Dual Magnet Motor design
Specifications
1000W
Continuous power rating
96dB
Sensitivity
3in
Voice coil diameter
Nominal diameter
457mm / 18in
Power rating
500W
Continuous power rating
1000W
EIA power rating
650W
Rated impedance
4Ω
Sensitivity
96dB
Frequency range
35-1000Hz
Chassis type
Pressed steel
Magnet type
Ferrite
Magnet weight
1.8kg / 65oz
Voice coil diameter
75mm / 3in
Voice coil material
Round copper
Former material
Glass Fibre
Cone material
Glass loaded paper (weather-resistant)
Surround material
Cloth-sealed
Suspension
Single
Gap height (Hg)
8mm / 0.31in
VC winding height (Hvc)
17mm / 0.67in
Parameters
Sd
1134.12cm2 / 175.79in2
Fs
35.70Hz
Mms
179.11g / 6.32oz
Qms
4.213
Qes
0.434
Qts
0.393
Re
2.58Ω
Vas
202.40l / 7.15ft3
BI
15.46Tm
Cms
0.11mm/N
Rms
9.53kg/s
Le (at 1kHz)
1.28mH
Xmax
4.5mm / 0.18in
Mounting Information
Overall diameter
460mm / 18.11in
Overall depth
209mm / 8.22in
Cut-out diameter
421mm / 16.57in
Mounting hole dimensions
8.3mm / 0.32in Ø
Number of mounting holes
8
Mounting hole PCD
443.4mm / 17.46in
Unit weight
7.5kg / 16.5lb
Packed Dimensions & Weight
Single pack size W x D x H
500mm x 500mm x 255mm / 19.7in x 19.7in x 11.0in
Single pack weight
9.0kg / 19.8lb
Multi pack qty
24
Multi pack size W x D x H
1200mm x 1000mm x 980mm / 47.2in x 39.4in x 38.5in
Multi pack weight
205kg / 452lb
Frequency Response and Impedance Curves
Topmost curve: Frequency response on axis | Secondary curve: Frequency response at 45° off axis
Power rating: Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
Continuous power rating: Defined as 3dB greater than the AES rating.
Sensitivity: Measured on axis at 1W, 1m in 2π anechoic environment.
Parameters: Measured after unit subjected to pre-conditioning signal.
Xmax: Hvc-Hg/2