High/Low Pass Filter
High/Low pass Filter block contains four filters for each output stage:
All filters can be set to:
•
Bypass
•
Low pass 12 dB/oct. slope
•
Low pass 6 dB/oct. slope
•
High pass 12 dB/oct. slope
•
High pass 6 dB/oct. slope
With this block you can also create 18 (12 + 6) dB or 24 (12 + 12) dB/oct. filters. That can be done by selecting two filter
blocks for same corner frequency.
With these filters it is also easy to create multiway speaker system (Subwoofer/Midrange/Tweeter etc.).
Note When LINE TRANSFER unit is used, at least one filter block is strongly recommended to be defined as a
high pass filter with roll-off frequency of 40….150 Hz. This will reduce the needles low frequency output power
delivery to the speaker line transformer.
Compressor
With Compressor you can suppress high level signal to protect output stage. Compressor setting includes all basic
parameters: Ratio, Threshold, Attack time, Release time and Gain.
Tip! With “Ratio” of 10 Compressor will act close to a limiter.
Channel Level
Each speaker output stage has output level adjustment. The control value is -8dB … +12dB.
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