MARKAUDIO CHR-70 A Generation 3 Brushed Metal 2PZ

MARKAUDIO CHR-70 A Generation 3 Brushed Metal 2PZ

11 cm full range driver with metal cone. A pair of speakers is delivered (the price is for one pair). The rubber surround is invers. The speaker has soldering lugs / faston terminals.

• power handling (continuous/programme) = 20 W
• frequency range = 60-30000 Hz
• resonance frequency fs = 65,4 Hz
• impedance R = 8 Ohm
• sound pressure level SPL = 85,4 dB (2,83V; 1m)
• DC resistance Re = 7,2 Ohm
• force factor BL = 4,2 N/A
• voice coil inductance L = 0,032 mH
• effective piston radiating area Sd = 50,2 cm²
• effective mechanical mass incl. air load mms = 4,1 g
• equivalent volume of compliance Vas = 5,17 l
• total Q factor Qts = 0,55 (Qms=2,66, Qes=0,69)
• voice coil diameter = 20 mm
• maximum peak linear excursion vibration x_lin = +/- 4,3 mm
• mounting diameter d = 102 mm
• overall diameter d = 124 mm
• mounting depth (not countersunk) t = 56 mm

recommended cabinet 1:
closed cabinet with 3,7 L volume
from 96/61 Hz (-3dB/-8dB)
 
recommended cabinet 2:
15 L volume bass reflex cabinet
with HP50 reflex tube, 11 cm long.
from 43/37 Hz (-3dB/-8dB).