Extremely carefully "Hand Made" in Europe by Zvone Raspor - an Artist in speaker manufacturing
Stabilit - brass or stabilit - inox basket with extreme stiffnes for resonance - free opreation (option 24k gold plated brass parts)
Gold plated terminals
Butyl rubber surround for controlled cone motion and minimal distortion
Diaphragm compound made from paper and mineral coating
Wooden phase plug for phase correction (option brass, inox or aluminium phase plug)
Vented spider to prevent compression
Extremly flexible silver plated lead wires via glues points to guarantee resonance - and break - free operation
High temperature 25 mm voice coil former of aluminium (A) or kapton (2R18DD25k) for minimal currents loss and maximum excursion
Dual magnet for magnet field shielding and additional cooling of magnet system
Sold in matched pairs only
Tehnical data:
Nominal impedance: 4, 8 or 16Ohms
Sensitivity: 89 dB
Recommended frequency range: 35-8000 Hz
Rated power handling: 100 W
Overall diameters: 182 mm
Depth: 96 mm
Weight: 2,5 kg
TS-Parameters (4 Ohms):
D =125 mm
Mms =13,86g
Rc = 37 Ohms
Cms = 0,73 mm/N
Fs = 45 Hz
Vas = 17 lit
Qms = 3,56
Bl = 4,51 N/A
Qes =0,75
Le = 0,27 mH
Qts =0,62
Excursion Lin/Max= +/- 6mm/+/- 10mm
*NEW*
ZR 18 DD NC
Neodim+ceramic magnet-hybrid version of ZR 18 DD. Mounting depth for ZR 18 DD NC is 22 mm lower than ZR 18 DD's, therefore it's easier to install (the quality of the speaker is the same).
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