Peavey KOSMOS V2 - Manual (Page 8)

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System Bypass
This switch is a hard bypass of all functions and disables the subwoofer output. The status is indicated
by a red lamp, which lights when the unit is off-line. Because the system bypass switch circumvents the
internal circuitry, it functions even when no power is applied to the unit.
Subharmonics
This control adds a synthesized phase synced bass signal one octave lower than what is present in the
source. The adjacent LED indicates sub bass activity. This feature generates bass subharmonics that
would register on a seismograph, yet are pleasing to the ear. No processing occurs when the input sig-
nal is outside the defined range. This thickens and deepens the bass of most program material without
clouding the midrange, and is especially effective on bass drums. Consequently, speaker systems seem
larger and more defined. Since low frequencies can be boosted significantly, care must be taken to pre-
vent amplifier clipping and speaker damage by excessive bass levels. It’s louder than you think.
Low Damping
Perfect for acoustic and bass guitars, this switch loosens the tracking, allowing the subharmonics to ring
out with less damping. (Normally, the subharmonics tightly follow the envelope of the input bass signal,
resulting in a sharp, clean bass, which works best for kick drums and other percussive sounds.) Lower
damping has a lower peak value, but can have a higher average level (depending on the source), so the
level of the subharmonics may need to be reduced.
Low Freq
This control adds a specific band of bass frequencies (natural, not synthesized) to the bass enhance-
ment mix. It is voiced to compliment the subharmonics and is used to even out the low end balance.
This control can be considered as a waveform adjustment tool when used in conjunction with the
subharmonic level control, or used alone for bass boost.
High Freq
This is a combination control. It simultaneously adjusts high frequency boost and stereo width. The
minimum position is the flat setting; as the control is rotated clockwise, the left-right image becomes
wider and clarity is increased. It has been designed to pull vocals more to the front of the mix while
giving them a three dimensional quality.
Output Level
This is the master volume control of the Kosmos® v2 processor. The left, right, and subwoofer outputs
are affected simultaneously.
Cut Sub Bass From Mains
This switch removes the subharmonics and the low frequency effects from the main left and right out-
puts. This allows the added bass enhancements to be sent only to the subwoofer output when a system
with subs is used. When the left and right speakers cannot handle the additional bass produced, this is
the best way to route low frequency energy. The high frequency effects are always sent to the mains and
are not affected by this switch’s setting.
Crossover Disable
Built into the Kosmos® v2 is a 90 Hz crossover filter, which is normally sent to the subwoofer output
with the bass enhancement signals. This switch removes that signal, leaving only the bass enhance-
ments. This is useful when the Kosmos® v2 is used as a side chain effect, when only the added bass
information is desired.
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