อีควอไลเซอร์ dbx รุ่น 2231 (มหาจักร) EQUALIZER

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dbx 2231 Graphic Equalizer/Limiter with Type III™
- Revolutionary instant encode/decode Type III® Noise Reduction in-circuit at the push of a button. Increases S/N ratio by up to 20dB
- Patent-pending PeakPlus™ Limiter threshold range from 0dBu to +24dBu (off) can transparently tame the wildest hits or the subtlest nuances of any signal
- Four segment LED bargraph for BOTH Gain Reduction AND Output Level
Status LEDs offer visual feedback for all settings on the front panel

• Revolutionary instant encode/decode Type III® Noise Reduction in-circuit at the push of a button. Increases S/N ratio by up to 20dB
• Patent-pending PeakPlus™ Limiter threshold range from 0dBu to +24dBu (off) can transparently tame the wildest hits or the subtlest nuances of any signal
• Four segment LED bargraph for BOTH Gain Reduction AND Output Level
• Status LEDs offer visual feedback for all settings on the front panel

Specifications

Input Connectors
1/4" TRS, female XLR (pin 2 hot), and barrier terminal strip

Input Type
Electronically balanced/unbalanced, RF filtered

Input Impedance
Balanced 40 kOhm, unbalanced 20 kOhm

Max Input
>+21dBu balanced or unbalanced

CMRR
>40dB, typically >55dB at 1kHz

Output Connectors
1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip

Output Type
Impedance-balanced/unbalanced, RF filtered

Output Impedance
Balanced 200 ohm, unbalanced 100 ohm

Max Output
>+21dBu balanced/unbalanced into 2 kOhm or greater; >+18dBm balanced/unbalanced (into 600 ohm)

Bandwidth
20Hz to 20kHz, +/-0.5dB

Frequency Response
<10Hz to >50kHz, +0.5/-3dB

Signal-to-Noise (NR In: +/-6 and +/-15dB ranges)
>102dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth

Dynamic Range (NR In: +/-6dB and +/-15dB ranges)
>120dB, unweighted

Signal-to-Noise (NR Out: +/-6dB range)
>94dB, unweighted, ref: +4dBu, 22kHz measurment bandwidth

Dynamic Range (NR Out: +/-6dB range)
>112dB, unweighted

Signal-to-Noise (NR Out: +/-15dB range)
>90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth

Dynamic Range (NR Out: +/-15dB range)
>108dB, unweighted

THD+Noise
<0.04%, 0.02% typical at +4dBu, 1kHz

Interchannel Crosstalk
<-80dB, 20Hz to 20kHz

Noise Reduction
Up to 20dB of dynamic broadband noise reduction

NR Switch
Activates dbx Type III Noise Reduction

Bypass Switch
Bypasses the graphic equalizer section in the signal path

Low cut Switch
(recessed) Activates the 40Hz 18dB/octave Bessel high-pass filter

Range Switch
(recessed) Selects either +/- 6dB or +/- 15dB slider boost/cut range

I/O Meter
4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18dBu

Gain Reduction Meter
4-LED bar graph (all Red) at 0, 3, 6, and 10dB

Indicators
NR Active (Yellow); EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6dB (Yellow); +/-15dB (Red)

Operating Voltage
100VAC 50/60Hz; 120VAC 60Hz; 230VAC 50/60Hz

Power Consumption
28W

Power Connector
IEC receptacle

Dimensions
5.25" H X 19" W X 7.9" D (13.335cm x 48.3cm x 20.1cm)

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