12
*Specifications are subject to change without notice.
S
PECIFICATIONS
*
Speaker Model. . . . . . . . . . . . .
System Frequency Response . .
Sensitivity. . . . . . . . . . . . . . . .
Impedance . . . . . . . . . . . . . . .
Crossover Frequency. . . . . . . .
High-Frequency Driver . . . . . . .
Low-Frequency Driver. . . . . . . .
Binding Post Inputs. . . . . . . . . .
Components. . . . . . . . . . . . . . .
Suitable Amplifier Range . . . . .
Maximum Power Handling . . .
Weight. . . . . . . . . . . . . . . . . .
Overall Size (diameter x depth) .
Required opening (with tolerance). .
Projection from wall surface . . .
Depth behind wall surface . . . .
MARTINLOGAN Helos 12
47–20,000 Hz ± 3 dB
89 dB @ 2.83 volts/ meter
4 Ohms. Compatible with 4, 6,
or 8 Ohm rated amplifiers.
2,800 Hz
1” (2.5cm) neodymium soft
dome
6.5” (16.5cm) high-rigidity alu-
minum cone with extended throw
drive assembly, thermal protection.
Push style binding posts, accom-
modates wire up to 5AWG.
Custom air core coils, polyester caps
20–200 watts
100 watts
4.5 lbs. (2 kg)
9.1” x 4.6” (23.1cm x 11.8cm)
8.35” (21.2cm)
0.2” (4.5mm)
4.4” (11.2cm)
MARTINLOGAN Helos 22
47–20,000 Hz ± 3 dB
89 dB @ 2.83 volts/ meter
Mono:
4 Ohms. Compatible
with 4, 6, or 8 Ohm rated
amplifiers.
Stereo:
8 Ohms per-
channel. Compatible with 4, 6,
or 8 Ohm rated amplifiers.
2,600 Hz
Two 0.78” (1.9cm) neodymium
soft dome
6.5” (16.5cm) high-rigidity alu-
minum cone with extended throw
drive assembly, thermal protection.
Push style binding posts, accom-
modates wire up to 5AWG.
Custom air core coils, polyester caps
Mono:
20–200 watts
Stereo:
20–100 watts per channel
Mono:
100 watts
Stereo:
50 watts/channel
4.5 lbs. (2 kg)
9.1” x 5.1” (23.1cm x 12.8cm)
8.35” (21.2cm)
0.2” (4.5mm)
4.9 po (12.3 cm)
