Analogue Input
2*XLR male & 2*1/4" TRS connector
Input Impedance
Peak Input Level
Analogue Output
2*XLR female & 2*1/4" TRS connector
Output Impedance
A/D
Dynamic Range
A/D Conversion
D/A
Dynamic Range
D/A Conversion
System Performance
Sample Rate
Dynamic Range
THD
S/N Ratio
Frequency Response
Channel Crosstalk
Input to Output Crosstalk
Operating Voltage
Power Consumption
Dimension and Weight
Dimension
Net Weight/Gross Weight
balanced/unbalanced, RF filter suppression
30k ohm balanced/15k ohm unbalanced
+
15
dBu
balanced/unbalanced, RF filter suppression
100 ohm balanced/50 ohm unbalanced
+
15
dBu
114 dB
,
A
-
weighted
24 bit
106dB
,
A
-
weighted
24 bit
48
kHz
106dB
,
A
-
weighted
0.01%
,
1 KHz
106dB
,
A
-
weighted
20Hz to 20 KHz
,+/-
0
.
5
dB
100-240V AC 50/60 Hz
15W
86dB
,
A
-
weighted
86dB
,
A
-
weighted
483x195x44mm
2.4kg/3.5kg
Peak Input Level
Specification
21
When all LEDs light up for several seconds, it means the fixed filters are saved and automatically
select LIVE mode, and the rest filters can be used in LIVE mode. If 24 filters are used in SET UP
mode, the LIVE mode has no filter to use.
2). LIVE mode(real time)
Generally, this product is used in LIVE mode (24 filters deduct the fixed filters), and it changes
according to the selected LIVE mode (from MUSIC to SPEECH). Once it detects the new feedback,
it will use the LIVE mode filters for the new feedback frequency. If all LIVE mode filters are
occupied and there is new feedback, the occupied LIVE mode filters will be cleared and
reassigned to the new feedback frequency (the relative LED lights up). This product will detect
the feedback frequency continuously via live notch filters.
3. Clearing filters
To reset the LIVE mode filters, press CLEAR/SET UP button 2 seconds (the blue button LED flashes
once), then the activated filters will be cleared and the relative LEDs light off. If you want to reset
all the filters, press CLEAR/SET UP (more than 4 seconds) till the blue button LED lights up. This
means it enters into SETUP mode and all the FIXED & LIVE filters are cleared.
4. Lock switch
After setting this product, user can use the lock switch on the rear panel to save the setting. After
locking the setting, user can not operate on the front panel.
5. Automatically release the filters
This product has 24 notch filters to use. If you need more than 16 filters to use, we strongly
recommend that you should adjust the audio system again.
Anyway, even if this product uses very narrow notch filters, please use the notch filters as less
as possible to ensure the excellent audio performance. This product monitors the LIVE mode
filter status, and will automatically cancel unwanted filters to reduce affecting audio performance.
notch filter Q
User Setup
20
Содержание FE-224N
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