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The DriveRack® PA2 provides all the processing you need between your mixer and amplifiers to optimize and protect your loudspeakers. With the latest advancements in dbx’s proprietary AutoEQ™ and AFS™ algorithms, a new input delay module for delaying the FOH system to the backline, Ethernet control via an Android®, iOS®, Mac®, or Windows® device, and updated Wizards, the DriveRack PA2 continues the DriveRack legacy of great-sounding, powerful, and affordable loudspeaker management processors, for a whole new generation.

Available Input Processing

• dbx Compression
• AFS™ (Advanced Feedback Suppression)
• Graphic EQ
• 8-Band Parametric EQ (adjusted when using the AutoEQ)
• Subharmonic Synthesis

Available Output Processing

• Crossover (supports full range, 2-way, and 3-way systems)
• 8-Band Parametric EQs (used for speaker tunings)
• dbx Limiting
• Driver Alignment Delays

Χαρακτηριστικά

Input (2) line inputs. (1) RTA Mic input

Input Connectors (2) Female XLR line inputs. (1) Female XLR RTA Mic input

Input Type Electronically balanced/RF filtered

Input Impedance >50 kohm

A/D Converter dbx Type IV™ Conversion System

CMRR > 45dB

Mic Preamp Phantom Power +15VDC (RTA)

Mic Preamp Equivalent Input Noise (EIN)

< -117dB, 22Hz-22kHz, 150 ohm (RTA)

Output (6) Line Outputs

Output Connectors Male XLR

Output Type Electronically balanced, RF filtered

Output Impedance 20 Ω

Max Output +20dBu

A/D Dynamic Range 112 dB A-weighted, 110 dB unweighted

Type IV Dynamic Range 123 dB with transient material, A-weighted, 22kHz BW; 121 dB with transient material, unweighted, 22kHz BW; 115 dB typical with program material, A-weighted, 22kHz BW

Alignment Delay 10ms per channel (60ms total)

Sample Rate 48kHz

Dynamic Range >110 dB A-weighted, >107dB unweighted

THD+Noise 0.003% typical at +4dBu, 1kHz, 0dB input gain

Frequency Response 20Hz – 20kHz, +/- 0.5dB

Interchannel Crosstalk < -110 dB, -120dB typical (input-to-output: < -100 dB)

Operating Voltage 100-120VAC 50/60 Hz – EU: 220-240 VAC 50/60 Hz

Power Consumption 22 W

Unit Weight 5.25 lbs. (2.4 kg)

Shipping Weight 6.75 lbs. (3.1 kg)

Dimensions 1.75” (H) x 5.75” (D) x 19” (W), 4.4cm (H) x 14.6cm (D) x 48.26cm (W)

D/A Dynamic Range 112 dB A-weighted, 110dB unweighted,

Exceptional sound and rugged reliability
When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx® EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 231s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.
The dbx 231s includes two 31-band channels of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz frequency response and 112 dB dynamic range to the quality componentry and meticulous attention to detail, the 231s offers exceptional sound and rugged reliability that guarantees you will always sound your best.
Sure to find a home in the studio, on tour and with installed sound venues, the dbx 231s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional’s choice in signal processing. With such affordable quality, there’s no longer any excuse for compromising your sound.

Features:
  Dual 31-band, 1/3-octave Constant Q frequency bands
  Switchable boost/cut ranges of ±6 or ±12 dB
  Front panel bypass switch
  ±12 dB input gain range
  4-segment LED ladders for monitoring output levels
  XLR and TRS Inpts and Outputs
  Frequency Response of <10Hz to >50kHz
  Dynamic range of greater than 108dB

Τεχνικά Χαρακτηριστικά:

  Input Connectors    1/4″ TRS, female XLR (pin 2 hot)
  Input Type    Electronically balanced/unbalanced, RF filtered
  Input Impedance    Balanced 40k ohm, unbalanced 20k ohm
  Max Input    >+21dBu balanced or unbalanced
  CMRR    >40dB, typically >55dB at 1kHz
  Output Connectors    1/4″ TRS, male XLR (pin 2 hot)
  Output Type    Impedance-balanced/unbalanced, RF filtered
  Output Impedance    Balanced 100 ohm, unbalanced 50 ohm
  Max Output    >+21dBu balanced/unbalanced into 2k ohm or greater; >+18dBm balanced/unbalanced (into 600 ohm)
  Bandwidth    20Hz to 20kHz, +0.5/-1dB
  Frequency Response    <10Hz to >50kHz, +0.5/-3dB
  Dynamic Range    Typically >112dB
  Signal to Noise Ratio    Typically >95dB
  THD+Noise    <0.003%
  Interchannel Crosstalk    <-90dB, 20Hz to 20kHz
  Bypass Switch    Bypasses the graphic equalizer section in the signal path
  Low cut Switch    Activates the 50Hz 12dB/octave high-pass filter
  Range Switch    Selects either +/- 6dB or +/-12dB slider boost/cut range
  Operating Voltage    100-240VAC 50/60Hz
  Power Consumption    15W
  Power Connector    IEC receptacle
  Unit Weight    6.2 lbs.(2.81 kg)
  Shipping Weight    7.9 lbs.(3.58kg)
  Dimensions    3.5″ (8.9cm) H x 6″(15.24cm) D x 19″ (48.26cm) W

• Advanced Feedback Suppression (AFS™)
• Autowarmth®
• Auto Gain Control
• Compression
• Limiting
• Noise Gating
• Notch Filtering
• Bandpass and Crossover Filters
• Parametric EQ
• Security Lockout
• Wall Panel Control
• RS-232 Control
• IEC, UL and CSA Approvals

The dbx® 12 Series were designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. The 1231 provides standard features like dual-channels, 31 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 40Hz/18 dB per octave low-cut filters, but also includes other insightful features. These include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR, barrier strip, and 1/4» TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of the dbx 12 Series makes your job easier.

The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free operation in any application. The magnetically isolated transformer, electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response, greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 3U steel/aluminum chassis.

Switchable boost/cut ranges of ±6 or ±15 dB
Electronically balanced/unbalanced inputs
Servo balanced/unbalanced outputs
RF filtered inputs and outputs
XLR, Barrier Strip, and 1/4″ TRS connectors
-12dB/+12dB input gain range
18dB/octave 40Hz Bessel low-cut filter
Chassis/signal ground lift capability
Internal power supply transformer
Power-off hardwire relay bypass with 2-second power-up delay,

Τεχνικά Χαρακτηριστικά

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, +0.5/-1dB
Frequency Response    <10Hz to >50kHz, +0.5/-3dB; +/-15dB range; +/-6dB range
Dynamic Range    109dB; 115dB
Signal to Noise Ratio    90dB, 97dB
THD+Noise    <0.005%
Interchannel Crosstalk    <-80db, 20Hz to 20kHz
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
Indicators    EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6dB (Yellow); +/-15dB (Red)
Operating Voltage    100VAC 50/60Hz; 120VAC 60Hz; 230VAC 50/60Hz
Power Consumption    24W
Power Connector    IEC receptacle
Dimensions    5.25″ H X 19″ W X 7.9″ D (13.4cm x 48.3cm x 20.1cm)
Unit Weight    10.6 lbs.
Shipping Weight    11.6 lbs.

Μεταχειρισμένα

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