Final Adjustments
Once your TR-1 has been properly connected and positioned, performance can be further optimized
by adjusting the controls on the rear panel. For this purpose, it is helpful to use a recording of a deep
male voice.
Start by adjusting the LEVEL control. Increase subwoofer volume, or level, by rotating the control
clockwise, until the bass output is noticeably louder than the rest of the frequency range. Now, lower
bass output by turning the LEVEL control counterclockwise, until bass seems balanced with the rest of
the audio frequencies, and sounds no longer seem to emanate directly from the subwoofer. You will
need to return to the listening position during adjustments.
Next, crossover frequency must be precisely set. The CROSSOVER FREQUENCY control on your
Electronics Module determines the uppermost frequencies, which will be reproduced by your TR-1.
Raise and lower the crossover point by rotating the CROSSOVER FREQUENCY control clockwise
and counter clockwise, respectively. Too high a crossover frequency will cause male vocals to sound
boomy and chesty. Too low a point will render the same vocals thin. Find a point at which voices sound
natural.
Note: Bass is non-directional; that is, low bass frequencies contain minimal stereophonic information.
Therefore, it should be difficult to locate a properly set up subwoofer as a discrete source of sound.
However, when using a high crossover frequency (above approximately 100 Hz), your TR-1 may
occasionally reproduce information with directional content. If this ever becomes highly noticeable,
proper integration between subwoofer and speakers can be restored by positioning the sub closer to
the stereo speakers.
Finally, consider the PHASE switch. Experiment with the 0-degree to 180-degree variable phase
control. The correct setting is the one, which provides deeper bass and/or the most seamless
integration between subwoofer and speakers. After the proper phase has been determined, you can
give the system a final fine-tuning by readjusting LEVEL and CROSSOVER FREQUENCY controls if
necessary.
Following these simple instructions and experimenting with placement and controls will enable you to
enjoy the best possible performance your TR-1 is capable of providing. Thank you for taking the time
to read the manual, now lets get started!
6
TR-1 Subwoofer Controls Diagram
15
(12 Seiten)
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