MartinLogan Source Speakers Specifications download pdf (Page 5)

Level Knob

Setting the level too high will cause the bass to seem bloat-

ed and is the single most common cause of bad sounding

subwoofers. A rule of thumb is that the subwoofer should

not draw attention to itself, but should simply make the sys-

temslowendseemmoreextendedandaccurate.

Phase Control Switch

Thephasecontrolisentirelydependentonthesizeand

configuration of your listening environment, the placement

of the unit, and your seating arrangement. Due to the way

bass sound waves develop in different rooms, there is

no rule of thumb for setting phase. For instance, if your

room has a peak at the subwoofer crossover area, you

may wish to set the phase so the actual acoustic outputs

of the subwoofer and main speakers are out of phase.

Experiment,trydifferentsettingsandbepatient.

Crossover

WhentheDynamo500isconnectedinmulti-channel

mode(viaitsLFEinput),thecrossoverswitchshouldbeset

to'Bypass(LFEIn)'sothatthelowpassfilterisnotactive

and your processor handles the bass management.

Whenconnectedin2-channelmode(viaitsleftandright

inputs),thecrossoverswitchshouldbesetto'Variable(L&R

In)'sothatthelow-passfilterisactive.

Low Pass Filter Knob

WhentheDynamo500isconnectedinmulti-channel

mode(viaitsLFEinput),thelowpassfilterisnotactive

andyourprocessorhandlesthebassmanagement.When

connected in 2-channel mode via its line level left/right

input, the low-pass filter is active.

Asageneralrulethelowpassfiltershouldbesetequal

toapproximately70%ofyourspeaker’slowestfrequency

response.Remember,thisisageneralrule.Weadvise

that once you try the recommended setting using the for-

mula above, you should try the surrounding settings to see

which sounds best.

Status LED(notshownabove)

WhenthestatusLED(locatedonthefrontbottomofthe

subwoofer)isblue,thesubwooferison.Whenthestatus

LED is off the subwoofer is in standby mode.

Master Power Switch(notshownabove)

Located on the back panel of the subwoofer, the Master

Powerswitchmustbesetto'AutoOn'forthesubwoofer

tooperate.Whensetto'AutoOn'thesubwooferwill

automatically enter a power saving mode when no audio

signal is detected. The subwoofer will automatically come

out of power saving mode when a signal is detected.

aBout the Controls

About the Controls 5

Figure 1. Dynamo 500 controls.

1 2 3 4 5 6 7 8 9 10 ... 17 18

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MartinLogan Source Speakers Specifications Page 5

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