1215 Dual Channel 15-Band Equalizer


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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 1215 provides standard features like dual channels, 15 2/3 octave bands, ISO frequency centers, +/-12 dB input gain range, and switchable 40 Hz/18 dB per octave low-cut filters, but also includes other thoughtful features. These include 45 mm faders; selectable +/-6 dB or +/-15 dB 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 hardwire 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 10 Hz to 50 kHz frequency response, greater than 90 dB SNR (ref +4 dBu), less than 0.005% THD +Noise (1 kHz at +4 dBu), and interchannel crosstalk of less than -80 dB from 20 Hz to 20 kHz. All this attention to detail is contained in a 2U steel/aluminum chassis.

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


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 >+21 dBu balanced or unbalanced
CMRR >40 dB, typically >55 dB at 1 kHz
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 >+21 dBu balanced/unbalanced into 2 kOhm or greater; >+18 dBm balanced/unbalanced (into 600 ohm)
Bandwidth 20 Hz to 20 kHz, +0.5/-1 dB
Frequency Response <10 Hz to >50 kHz, +0.5/-3 dB; +/-15 dB range; +/-6 dB range
Dynamic Range 109 dB; 115 dB
Signal to Noise Ratio 90 dB, 97 dB
THD+Noise <0.005%
Interchannel Crosstalk <-80 dB, 20 Hz to 20 kHz
Bypass Switch Bypasses the graphic equalizer section in the signal path
Low cut Switch (recessed) Activates the 40 Hz 18 dB/octave Bessel high-pass filter
Range Switch (recessed) Selects either +/- 6 dB or +/- 15 dB slider boost/cut range
I/O Meter 4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18 dBu
Indicators EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6 dB (Yellow); +/-15 dB (Red)
Operating Voltage 100 VAC 50/60 Hz; 120 VAC 60 Hz; 230 VAC 50/60 Hz
Power Consumption 24W
Power Connector IEC receptacle
Dimensions 3.5" H X 19" W X 7.9" D (8.9 cm x 48.3 cm x 20.1 cm)
Unit Weight 8.5 lb. (3.9 kg)
Shipping Weight 9.5 lb. (4.3 kg)
More Information
Weight 7.000000
Length 22.5
Width 7.5
Height 11
Color Black
Manufacturer dbx by HARMAN
Manufacturer Model Number 1215
Manufacturer Part Number DBX1215V
UPC 691991400032
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