Table of Contents
Important Operating Instructions: Read Before
Operating Subwoofer
Subwoofer Assembly Parts List
(one subwoofer)
• 1 subwoofer with mounting bracket attached
• 1 mounting template
• 1 paint mask
• 1 wire tie
Required, not included
• 1 MartinLogan Amplifier ML-300 (for use with up to 2 MartinLogan ML-300 subwoofers)
Important Operating Instructions: Read Before Operating Subwoofer. . . . . . . . . . . 2
Subwoofer Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Warning and WEEE Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Your New Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
The Listening Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Guidelines for Deciding on Subwoofer Placement . . . . . . . . . . . . . . . . . . . . . . . 5
Subwoofer Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Color Match Painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation into a Wall Without a Backbox (Pictorial) . . . . . . . . . . . . . . . . . . . . . 7
Installation into a MartinLogan Backbox (Pictorial) . . . . . . . . . . . . . . . . . . . . . . . 8
Installation into a Wall Without a Backbox . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Frequently Asked Questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Subwoofers covered by this manual are designed for use with a MartinLogan
ML-300 Subwoofer Amplifier only. Using this subwoofer with any other brand
of amplifier may cause permanent damage and will void the warranty.
NOTE: For even better performance, two ML-300 subwoofers may be used. Refer
to info on page 5 and 6.
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