Celestion FTR18-4080F 18" Professional Cast Frame Speaker 600W
The cast frame Celestion FTR18-4080F 18" pro woofer employs the same great technology and construction as its sibling speakers, but at a lower price point. The FTR18-4080F's 110 oz. ceramic ferrite magnet, Inside/Outside 4" voice coil, and advanced thermal management work in combination to make this one of the best bang-for-the-buck professional drivers, period.
| PRODUCT SPECIFICATIONS |
| Power Handling (RMS) |
600 Watts |
| Power Handling (max) |
1,200 Watts |
| Impedance |
8 ohms |
| Frequency Response |
30 to 3,000 Hz |
| Sensitivity |
97 dB 2.83V/1m |
| Voice Coil Diameter |
4" |
| Magnet Weight |
110 oz. |
| THIELE-SMALL PARAMETERS |
| Resonant Frequency (Fs) |
32 Hz |
| DC Resistance (Re) |
5.31 ohms |
| Voice Coil Inductance (Le) |
1.46 mH |
| Mechanical Q (Qms) |
5.24 |
| Electromagnetic Q (Qes) |
0.32 |
| Total Q (Qts) |
0.30 |
| Compliance Equivalent Volume (Vas) |
9.60 ft.³ |
| Mechanical Compliance of Suspension (Cms) |
0.15 mm/N |
| BL Product (BL) |
23.31 Tm |
| Diaphragm Mass Inc. Airload (Mms) |
5.58g |
| Moving Mass Of Diaphragm (Mmd) |
4.82 |
| Maximum Linear Excursion (Xmax) |
6 mm |
| MATERIALS OF CONSTRUCTION |
| Cone Material |
Paper / Glass Fiber |
| Surround Material |
Cloth |
| Voice Coil Wire Material |
Copper |
| Voice Coil Former |
Fiberglass |
| Basket / Frame Material |
Cast Aluminum |
| Magnet Material |
Ferrite |
| MOUNTING INFORMATION |
| Overall Outside Diameter |
18.19" |
| Baffle Cutout Diameter |
16.38" |
| Depth |
8.07" |
| # Mounting Holes |
8 |
