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10 General Information
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System Frequency Response
47–20,000 Hz ± 3 dB
Sensitivity
89 dB/2.83 volts/meter (mounted in ceiling)
Impedance
4 ohms
Crossover Frequency
2800 Hz
Components
Custom air core coils, polyester capacitors
Binding Posts
Push style binding posts, accommodates wire up to
5AWG
Tweeter Type
1” (2.5cm) neodymium soft dome
Woofer Type
6.5” (16.5cm) high rigidity aluminum cone with extended
throw drive assembly, thermal protection
Power Handling
100 watts
Weight
4.5 lbs. each (2 kg)
Overall Size
9.5” inches W × 4.62” inches D
(20.7cm W × 11.7cm D)
Required ceiling opening (including tolerance)
8.35" (21.2cm)
Projection from wall surface
0.4" (1cm)
Depth required behind wall surface
4.5" (11.4cm)
Your Helos 10 speaker is provided with an automatic Limited
90 Day Warranty coverage.
You have the option, at no additional charge, to receive a
Limited 5 Year Warranty coverage. To obtain the Limited
5 Year Warranty coverage you need to complete and return
the Certificate of Registration, included with your speakers,
and provide a copy of your dealer receipt to MartinLogan
within 30 days of purchase.
For your convenience MartinLogan also offers online warranty
registration at www.martinlogan.com.
MartinLogan may not honor warranty service claims unless
we have a completed Warranty Registration on file!
If you did not receive a Certificate of Registration with your
new Helos 10 speaker, you cannot be assured of having
received new units. If this is the case, please contact your
authorized MartinLogan dealer.
Serial Number
The Helos 10's serial number is located on the back of the
speaker and also on the product's shipping carton.
Service
Should you be using your MartinLogan product in a country
other than the one in which it was originally purchased,
we ask that you note the following:
1 The appointed MartinLogan distributor for any given
country is responsible for warranty servicing only on
units distributed by or through it in that country in
accordance with its applicable warranty.
2 Should a MartinLogan product require servicing in a
country other than the one in which it was originally
purchased, the end user may seek to have repairs per-
formed by the nearest MartinLogan distributor, subject
to that distributor’s local servicing policies, but all cost
of repairs (parts, labor, transportation) must be borne
by the owner of the MartinLogan product.
3 If, after owning your speakers for six months, you
relocate to a country other than the one in which
you purchased your speakers, your warranty may be
transferable. Contact MartinLogan for details.
Warranty and RegistrationSpecifications