Velodyne CHT-15 User Manual download pdf (Page 5)

Phase adjustment- 0˚ to 180˚

This control allows you to "delay" the phase of the subwoofer's output

signal up to 180˚ to correct for any possible mismatch & resulting

cancellation between the subwoofer and your main speakers/amplifier.

To adjust, simply listen to the system with music playing. Then rotate the

knob from one end to the other and listen for a change in low frequency

output. The correct position will have a greater amount of apparent low

frequency output.

Auto turn on function

With this function in the "auto" position, your CHT-15 can be safely left

with the main power switch on continuously. The subwoofer will turn

itself on automatically when an audio signal is present. If no signal is

present for approximately 10 minutes, the unit will switch to standby

mode. While in standy mode, your subwoofer will draw very minimal

power. This function can be disabled by leaving the switch in the "on"

position.

High pass crossover switch

This switch selects the frequency for the high pass crossover. This

crossover is functional on both line-level and speaker-level outputs.

Smaller speakers with limited low frequency output may prefer the higher

100Hz setting which will reduce the low frequencies sent to them. Larger

speakers with greater low frequency output may be able to handle the 80Hz

setting without strain.

Power switch

The master power switch is located on the right half of the unit. This rocker

style switch is the main on/off for the unit. This switch should be set to

position 1 for on (up), 0 for off (down).

Line-level connection

Figure 1, on page 5, shows connection to a pre-amplifier's main outputs

and returning them to your amplifier inputs.

When installed in this fashion, your satellite speakers will be crossed over

at 80/100Hz which removes the lower bass from your amplifier and

speakers, enabling them to do a better job reproducing high frequencies.

continued. . .

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Velodyne CHT-15 User Manual Page 5