Technical specifications for DLS ULTIMATE Iridium 10i
Iridium 10i
Size 25 cm (10")
Impedance 2 x4 ohm
Nom. power (RMS) 500 W (max 800)
Freq. range 25 Hz - 2,5 kHz
Voice coil, diameter 75 mm (3”)
Voice coil, length 40 mm (1,57”)
X-max +-14 mm (0,55”)
Cms 58
SD 380 cm2
Cone material Non-press paper
Magnet weight 180 oz (5,1 kg)
Magnet, diameter 180mm (7,08”)
Installation depth 150 mm (5,91”)
Mounting hole 236 mm (9,29”)
Outer diameter 266 mm ( 10,47”)
Weigth 9,8 kg (21,6 lbs)
Data that can vary depending on how the voice coils are connected:
Single VC VC connected in parallel to 2 ohm
Re, DC-resistance 3,2 ohm 1,8 ohm
BL product 15,1 14,6
Sensitivity (SPL 1W/1m) 82,3 84 dB
Resonant freq. (Fs) 43,5 42,3 Hz
Vas (litre) 12 12
Vas (ft3) 0,42 0,42
Qms 2,84 3,44
Qes 0,87 0,54
Qts 0,67 0,47
Technical specifications for DLS ULTIMATE Iridium 12i
Technical specifications for DLS ULTIMATE Iridium 15
Iridium 12i
Size 30 cm (12")
Impedance 2 x4 ohm
Nom. power (RMS) 600 W (max 1000)
Freq. range 20 Hz - 2,5 kHz
Voice coil, diameter 75 mm (3”)
Voice coil, length 40 mm (1,57”)
X-max +-14 mm (0,55”)
Cms 147
SD 531 cm2
Cone material Non-press paper
Magnet weight 180 oz (5,1 kg)
Magnet, diameter 220mm (8,7”)
Installation depth 153 mm (6”)
Mounting hole 282 mm (11,1”)
Outer diameter 313 mm ( 12,32”)
Weigth 12,7 kg (28 lbs)
Data with voice coils in parallel to 2 ohm
Re, DC-resistance 1,8 ohm
BL product 11,85
Sensitivity (SPL 1W/1m) 87,3 dB
Resonant freq. (Fs) 30,2 Hz
Vas (litre) 58,8
Vas (ft3) 2,08
Qms 4,17
Qes 0,46
Qts 0,41
Iridium 15
Size 37,5 cm (15")
Impedance 2 x4 ohm
Nom. power (RMS) 600 W (max 1000)
Freq. range 15 Hz - 2,5 kHz
Voice coil, diameter 75 mm (3”)
Voice coil, length 40 mm (1,57”)
X-max +-14 mm (0,55”)
Cms 73,75
SD 779 cm2
Cone material Non-press paper
Magnet weigth 200 oz (5,67 kg)
Magnet, diameter 220mm (8,7”)
Installation depth 176 mm (6,93”)
Mounting hole 360 mm (14,17”)
Outer diameter 390 mm ( 15,35”)
Weigth 13,4 kg (29,54 lb)
Data that can vary depending on the voice coil impedance:
Single voice coil, 4 ohm Voice coils in series to 8 ohm Voice coils in parallel to 2 ohm
Re, DC-resistance 3,7 ohm 7,3 ohm 1,7 ohm
Z, impedance 4 ohm 8 ohm 2 ohm
BL product 17 33,3 16,9
Sensitivity 86,2 dB 89,1 dB 89,5 dB
Resonant freq. (Fs) 33 Hz 33 Hz 33 Hz
Vas (litre) 63,54 63,54 63,54
Vas (ft3) 2,24 2,24 2,24
Qms 3,4 3,44 3,6
Qes 0,84 0,43 0,39
Qts 0,67 0,38 0,35