Alcone

Alcone was founded by Ralph Mantel in 1988, offering metal cone drivers at reasonable prices. All drivers feature exceptional signal adherence and excellent decay attenuation. The following Alcone drivers display an aluminium sandwich cone with a surface that has been hardened through anodising. The result is an enormously light and yet rigid cone, producing an airy and lifelike sound. - All resonance is being moved to a higher frequency band where the bass driver is not transmitting. To achieve these outstanding sound characteristics all Alcone midrange and bass drivers have

a die cast basket
suitably sized magnets for excellent low bass response

all drivers are manufactured to the highest standards and represent reasonably priced alternatives to top class European drivers. Please have a look at our recommended kits assembly advice: the wide lug represents plus.

To our building proposals with Alcone drivers.

Tweeter

Alcone AC 15

order no. R-AC15 EUR 78,00

excl. VAT: € 65.55 / $ 74.07
28 mm dome tweeter with fabric dome. The voice coil windings are immersed in magnetic fluid to increase short term power handling capacity, to reduce the compression and the Q factor..

power handling (continuous/programme) = 10/100* W
frequency range = 1000 - 20000 Hz
resonance frequency fs = 705 Hz
impedance R = 6 Ohm
sound pressure level SPL = 94 dB (2,83V; 1m)
DC resistance Re = 4,3 Ohm
voice coil inductance L = 0,058 mH
effective piston radiating area Sd = 7,07 cm²
effective mechanical mass incl. air load mms = 0,29 g
voice coil diameter = 28 mm
mounting diameter d = 80 mm
overall diameter d = 100 mm
mounting depth (not countersunk) t = 58 mm

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Woofer

recommended cabinet 1:
closed cabinet with 5,3 L volume
from 92/58 Hz (-3dB/-8dB)

recommended cabinet 2:
21 L volume bass reflex cabinet
with HP50 reflex tube, 8 cm long.
from 45/36 Hz (-3dB/-8dB).

Alcone AC 5.25 HE-S

order no. R-AC525HES EUR 79,00

excl. VAT: € 66.39 / $ 75.02
13 cm bass-midrange driver with aluminium cone. The basket is made of die-cast. The driver is magnetically shielded.

power handling (continuous/programme) = 80/120 W
frequency range = 60-3000 Hz
resonance frequency fs = 49 Hz
impedance R = 8 Ohm
sound pressure level SPL = 85 dB (2,83V; 1m)
DC resistance Re = 6,7 Ohm
voice coil inductance L = 0,6 mH
effective piston radiating area Sd = 88 cm²
effective mechanical mass incl. air load mms = 7,5 g
equivalent volume of compliance Vas = 16 l
total Q factor Qts = 0,43 (Qms=4,6, Qes=0,47)
voice coil diameter = 25 mm
maximum peak linear excursion vibration x_lin = +/- 3,5 mm
mounting diameter d = 125 mm
overall diameter d = 134 x 134 mm
mounting depth (not countersunk) t = 81 mm
mass m = 1,2 kg

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recommended cabinet 1:
closed cabinet with 9,3 L volume
from 85/53 Hz (-3dB/-8dB)

recommended cabinet 2:
33 L volume bass reflex cabinet
with HP70 reflex tube, 12 cm long.
from 43/34 Hz (-3dB/-8dB).

Alcone AC 6.5 HE

order no. R-AC65HE EUR 89,00

excl. VAT: € 74.79 / $ 84.51
16 cm bass-midrange driver with aluminium cone. The basket is made of die-cast. A double magnet system increases sensitivity and provides better control of the voice coil. It reduces the magnetic stray fields, what is good for A/V applications.

power handling (continuous/programme) = 80/120 W
frequency range = 50-2500 Hz
resonance frequency fs = 39 Hz
impedance R = 8 Ohm
sound pressure level SPL = 90 dB (2,83V; 1m)
DC resistance Re = 6,7 Ohm
voice coil inductance L = 0,55 mH
effective piston radiating area Sd = 133 cm²
effective mechanical mass incl. air load mms = 10 g
equivalent volume of compliance Vas = 41 l
total Q factor Qts = 0,37 (Qms=5,1, Qes=0,4)
voice coil diameter = 25 mm
maximum peak linear excursion vibration x_lin = +/- 3,6 mm
mounting diameter d = 145 mm
overall diameter d = 180 mm
mounting depth (not countersunk) t = 90 mm
mass m = 1,3 kg

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Alcone AC 15

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recommended cabinet 1:
closed cabinet with 10,6 L volume
from 77/49 Hz (-3dB/-8dB)

recommended cabinet 2:
42 L volume bass reflex cabinet
with HP100 reflex tube, 28 cm long.
from 37/30 Hz (-3dB/-8dB).

Alcone AC 8 HE

order no. R-AC8HE EUR 109,00

excl. VAT: € 91.60 / $ 103.50
20 cm bass driver with aluminium cone. The basket is made of die-cast. A double magnet system increases sensitivity and provides better control of the voice coil. It reduces the magnetic stray fields, what is good for A/V applications.

power handling (continuous/programme) = 100/150 W
frequency range = 40-2000 Hz
resonance frequency fs = 42 Hz
impedance R = 8 Ohm
sound pressure level SPL = 90 dB (2,83V; 1m)
DC resistance Re = 6,7 Ohm
voice coil inductance L = 0,8 mH
effective piston radiating area Sd = 216 cm²
effective mechanical mass incl. air load mms = 17 g
equivalent volume of compliance Vas = 30 l
total Q factor Qts = 0,44 (Qms=4,06, Qes=0,49)
voice coil diameter = 35 mm
maximum peak linear excursion vibration x_lin = +/- 4,5 mm
mounting diameter d = 190 mm
overall diameter d = 222 mm
mounting depth (not countersunk) t = 104 mm
mass m = 2,1 kg

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recommended cabinet 1:
closed cabinet with 16 L volume
from 70/44 Hz (-3dB/-8dB)

recommended cabinet 2:
50 L volume bass reflex cabinet
with HP100 reflex tube, 30 cm long.
from 38/29 Hz (-3dB/-8dB).

Alcone AC 10 HE

order no. R-AC10HE EUR 139,00

excl. VAT: € 116.81 / $ 131.99
25 cm bass driver with aluminium cone. The basket is made of die-cast.

power handling (continuous/programme) = 150/250 W
frequency range = 25-1000 Hz
resonance frequency fs = 28 Hz
impedance R = 8 Ohm
sound pressure level SPL = 90 dB (2,83V; 1m)
DC resistance Re = 6,4 Ohm
voice coil inductance L = 0,7 mH
effective piston radiating area Sd = 346 cm²
effective mechanical mass incl. air load mms = 54 g
equivalent volume of compliance Vas = 100 l
total Q factor Qts = 0,32 (Qms=4,1, Qes=0,35)
voice coil diameter = 50 mm
maximum peak linear excursion vibration x_lin = +/- 3,5 mm
mounting diameter d = 239 mm
overall diameter d = 272 mm
mounting depth (not countersunk) t = 108 mm
mass m = 3,3 kg

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Subwoofer

recommended cabinet 1:
closed cabinet with 4,1 L volume
from 92/58 Hz (-3dB/-8dB)

recommended cabinet 2:
9,5 L volume bass reflex cabinet
with HP70 reflex tube, 47 cm long.
from 56/42 Hz (-3dB/-8dB).

Alcone AC 10 SW-4

order no. R-AC10SW4 EUR 179,00

excl. VAT: € 150.42 / $ 169.97
25 cm bass driver with aluminium cone. To avoid compression effects the driver possesses a pole piece hole. The basket is made of die-cast. The spider is rear ventilated for better cooling. The voice coil is made of kapton.

power handling (continuous/programme) = 170/340 W
frequency range = 25 - 250 Hz
resonance frequency fs = 28 Hz
impedance R = 4 Ohm
sound pressure level SPL = 92,33 dB (2,83V; 1m)
DC resistance Re = 3,18 Ohm
force factor BL = 15,56 N/A
voice coil inductance L = 1,89 mH
effective piston radiating area Sd = 346 cm²
effective mechanical mass incl. air load mms = 112,21 g
equivalent volume of compliance Vas = 48 l
total Q factor Qts = 0,23 (Qms=6,52, Qes=0,24)
voice coil diameter = 50 mm
mounting diameter d = 234 mm
overall diameter d = 274 mm
mounting depth (not countersunk) t = 136 mm
mass m = 5,1 kg

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Tweeter

Woofer

Subwoofer

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.