こっちの方は、スペックが変更されています。
以前から気づいていたけれど。
写真の具合か、外観の印象が変わったね。
相変わらずの男前。
ともあれMms 260gから187.8gになり、いやぁ、これなら普通に使えるな。
スペックの記録は大切だね。
Specifications
Nominal diameter381mm / 15in
Power rating1800W
Continuous power rating3600W
Rated impedance8Ω
Sensitivity96dB
Frequency range38-1,000Hz
Chassis typeCast aluminium
Magnet typeNeodymium
Voice coil diameter115mm / 4.5in
Voice coil materialCopper clad aluminium
Former materialGlass Fibre
Cone materialGlass loaded cellulose, water-resistant coating front & back
Surround materialTriple roll, cloth sealed
SuspensionDual-laminated
Gap height (Hg)12mm / 0.47in
VC winding height (Hvc)38mm / 1.5in
Parameters
Sd855.3cm2 / 132.57in2
Fs39Hz
Mms187.8g/6.42oz
Qms5.612
Qes0.372
Qts0.349
Re5.05Ω
Vas92.03l / 3.26ft3
BI25Tm
Cms0.88mm/N
Rms8.19kg/s
Le (at 1kHz)1.83mH
Xmax16mm / 0.63in
Xmech76mm / 3in
Efficiency η01.5%
Mounting Information
Overall diameter393mm / 15.5in
Overall depth210mm / 8.27in
Cut-out diameter354mm / 13.95in
Mounting hole dimensions10x7mm / 0.39x0.28in
Number of mounting holes8
Mounting hole PCD367-374mm / 14.45-14.72in
Flange & gasket thickness11.9mm / 0.47in
Unit weight11.35kg / 25lb
Packed Dimensions & Weight
Single pack size W x D x H435mm x 435mm x 235mm / 17.13in x 17.13in x 9.25in
Single pack weight12kg / 26.2lb
