DFR11EQ Digital Equalizer

NOTE: The DFR11EQ has been discontinued.  For an alternative, please see the DFR22 or contact us.

진보된 사운드 컨트롤 기능을 지닌 디지털 신호 프로세서



예상치 못한 음향 상황들을 위해 10개의 자동 감지 피드백 필터, 이퀄라이저, 리미터, 딜레이를 포함한 특징들을 지닌 진정한 문제 해결자.

내장된 10개의 Scene프리셋

Frequency Response

20 to 20k Hz +/- 1.0 dB re 1 kHz

Dynamic Range

104 dB minimum, A-weighted, 20 Hz to 20 kHz

Sampling Rate

48 kHz

Digital-to-Analog, Analog-to-Digital Conversion

20 bit resolution

Voltage Gain

­1 dB +/- 1dB (power off)

0 dB +/- 2 dB (equal input and output sensitivities)

12 dB +/- 2 dB (input ­10 dBV, output +4 dBu)

­12 dB +/- 2 dB (input +4 dBu, output ­10 dBv)

Impedance

Input: 47 kilohms +/- 20% actual

Output: 120 ohms +/- 20% actual

Input Clipping Level

+18 dBu minimum (at +4 dBu setting)

+4 dBV minimum (at ­10 dBV setting)

Output Clipping Level

+18 dBu minimum (at +4 dBu setting)

+4 dBV minimum (at ­10 dBV setting)

Total Harmonic Distortion

< 0.05% at 1 kHz, +4 dBu, 20 to 20 kHz

LED Signal Indicators

Clip: 6 dB down from input clipping

Propagation Delay from Input to Ouput

1.0 ms, all filters set to Flat (0 ms delay setting)

Polarity

Input to output: non-inverting

XLR: pin 2 positive with respect to pin 3

1/4-in. TRS: tip positive with respect to ring

Operating Voltage

DFR11EQ: 120 Vac, 50/60 Hz, 75 mA max

DFR11EQJ: 100 Vac, 50/60 Hz, 75 mA max

DFR11EQE: 230 - 240 Vac, 50/60 Hz, 38 mA max

Temperature Range

Operating: -7 degrees to 49 degrees C (20 degrees to 140 degrees F)

Fuse

DFR11EQ:120 Vac. Fuse: 100 mA, 250V time delay

DFR11EQJ: 100 Vac. Fuse: 100 mA, 250V time delay

DFR11EQE: 230 Vac. Fuse: 50 mA, 250 V time delay

Dimensions

219 mm x 137 mm x 44.5 mm (8-5/8 in x 5-3/8 in x 1-3/4 in.)

Weight

930 g (2.05 lbs)

FEEDBACK FILTERS

Ten (10) 1/10-octave adaptive notch filters from 60 Hz to 20 kHz

Deployed to 1 Hz resolution of feedback frequency

Deployed in depths of 3 dB, 6 dB, 9 dB, 12 dB, and 18 dB (12.5 Low Q in graphic EQ mode) attenuation

Filter shape variable between HI Q and LOW Q (see High Q vs. Low Q Filters in User Guide).

GRAPHIC EQUALIZER

Frequency Bands

30 bands on ISO, 1/3-octave centers

Filter Type

1/3-octave, constant Q

Maximum Boost

6 dB per band

Maximum Cut

12dB per band, high- and low-pass filters, 12dB/octave nominal

PARAMETRIC EQUALIZER

Frequency Bands

10 bands, variable frequency, variable Q

Boost/Cut Range

+6 dB to ­18 dB per band

Q Range

1/40-octave to 2 octave

Shelf/Rolloff Filters

Shelf, +6 to ­18 dB per filter

Rolloff, 6dB, 12dB, 18dB, or 24dB per octave nominal

DELAY

Up to 1.3 seconds

LIMITER

Threshold: ­60 dBFs to ­0.5 dBFs, 0.5 dB resolution

Attack: 1 ms to 200 ms

Decay: 50 ms to 1000 ms

Ratio: to 1