Markaudio Alpair 7 A Generation 3 grey

With the help of the chassis overview page you find more than 5000 loudspeaker chassis.

recommended cabinet 1:
closed cabinet with 3,3 L volume
from 104/66 Hz (-3dB/-8dB)

recommended cabinet 2:
13,3 L volume bass reflex cabinet
with HP50 reflex tube, 11 cm long.
from 47/41 Hz (-3dB/-8dB).

Markaudio Alpair 7 A Generation 3 grey order no. ma-alpair7a-g3-grey EUR 168,00

excl. VAT: € 141.18 / $ 159.53
12 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 = 55-28000 Hz
resonance frequency fs = 70,9 Hz
impedance R = 6 Ohm
sound pressure level SPL = 85,8 dB (2,83V; 1m)
DC resistance Re = 5,4 Ohm
force factor BL = 3,83 N/A
voice coil inductance L = 0,021 mH
effective piston radiating area Sd = 50,2 cm²
effective mechanical mass incl. air load mms = 3,95 g
equivalent volume of compliance Vas = 4,58 l
total Q factor Qts = 0,54 (Qms=3,07, Qes=0,65)
voice coil diameter = 20 mm
maximum peak linear excursion vibration x_lin = +/- 4,2 mm
mounting diameter d = 103 mm
overall diameter d = 135 mm
mounting depth (not countersunk) t = 58,6 mm

PDF data sheet

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The cabinet volume calculations are executed considering an external resistance of 0.3 Ohm. We are using, if no other data is known or available, the information supplied by the manufacturer.

Please note: the frequency response doesn't say much about the cut-off frequency inside the cabinet! Therefore, we mostly give you 2 examples with dimensioning considerations and an indication, how low the loudspeaker will reproduce.