SECTION 4 - EFFECTS AND PARAMETERS
About the Parameter Matrix
The Parameter Matrix displays all the Effects and Parameters you can find in the BP-8 Valve. The Parameters are arranged in rows and columns.
Use the Parameter Select buttons to select the parameter to be edited. The Effects and their Parameters are as follows:
The compressor on the BP8 is unique in its ability to bypass high frequencies around the compressor to retain a natural tone while limiting
the maximum power in the signal and increasing sustain. The result is a sound that is smooth and full with good transients that can be heard
in the mix without overpowering it.
On / Bypass Turns the Compressor on or off.
Type Four types are available. Type 1 is closest to normal compressor operation with all frequencies being
compressed. Types 2-4 send more high frequencies around the compressor. Each has its own sound;
experiment to see which ones work for you in which situations.
Attack Determines the attack time of the compression action. 1 is the fastest, 4 the slowest. Generally fast
attack times are useful with aggressive playing, slower times with more sustained notes. Too fast an
attack time can cause slight distortion on long sustained tails of notes so experiment to get the right
setting for your application.
Threshold Determines the signal strength which activates the compressor. This control is calibrated in dB below
full output. As the threshold becomes more negative, the lower the signal strength needs to be in order
for it to be compressed. The SIGNAL/COMP light turns yellow when your signal is higher than the
compression threshold (which means your signal is being compressed).
Ratio Determines the amount of compression after you exceed the threshold. For instance a ratio of 2.5-1
means that for every 2.5 dB your signal exceeds the threshold, your output will only increase 1 dB.
Ratios are as follows: 1.5:1 through 25:1.
Gain This parameter controls the overall amount of output gain in the Compressor effect. Range is from 0-62.
Use this parameter to balance the levels between Compressor on and Compressor off.
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