Designed specifically to handle the increased average power that today's amplifiers deliver. In terms of sound, emphasis is placed on low distortion and low coloration.
A high maximum input of 500 watts is achieved through the use of an edgewise-wound, long-travel voice coil. Making more use of the flux within the magnetic gap, this voice coil provides higher transducing efficiency. Moreover, high linearity is maintained over a long distance for lower distortion. Both the voice-coil bobbin and the adhesive are made of a highly heat-resistant material to permit high maximum input.
Weighing 2kg (4.4 lbs.), a powerful ferrite magnet combines a high flux density of 11,800G and low distortion. This, along with a long-travel voice coil and new rear suspension design, contributes to the high operating efficiency of 97dB/W (1m).
Rigidity and light weight of the diaphragm permits the unit to withstand high-amplitude inputs for low-distortion output. The corrugated cloth surround is coated with a damping material to make diaphragm movement more linear and discourage cone breakup.
Warp-proof and non-resonating, the heavy die-cast aluminum frame precisely centers the diaphragm for accurate low-distortion sound reproduction.
We recommended that the dividing network (low-pass filter) for the TL-1603 use a crossover frequency of 900Hz or lower, and a attenuating slope of 12dB/oct. or 18dB/oct.
|Lowest Resonance Frequency (Fo)||28 Hz|
|Frequency Range||28-2000 Hz|
|Rated Input Power||200 W|
|Maximum Input Power||300 W|
|Sound Pressure Level||97 dB/W (1m)|
|Total Magnetic Flux||260.000 Mx|
|Magnetic Flux Density||11.800 G|
|Highest Recommended Crossover||1.200 Hz|
|Recommended Enclosure||113 - 304 liter|
|Effective Piston Diameter||335.0 mm|
|Baffle Opening||352.0 mm|
|Mounting Dimensions||370.0 mm|
|Dimensions (diameter x depth)||400 x 148 mm|