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Furman PQ-3B Parametric Equalizer

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furman pq-3b
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The PQ-3 Parametric Equalizer/Instrument Pre-amp delivers the ultimate in tone control to the audio professional who demands quality performance and construction at a reasonable price.


• Three bands per channels
• Constant-Q equalization curves
• Boost/cut range: from +20 dB to -infinity
• Input level control
• EQ Bypass via pushbutton or footswitch
• EQ In, Overload, and Power indicators
• Both High and Low Level inputs and outputs -- allows use as an instrument preamp

High Level:
• Input Impedance: 20K ohms.
• Maximum input level: Depends on Input Level control.
• Gain: 6 dB maximum with EQ set flat.
• Connectors: 1/4" phone.

Low Level:
• Input Impedance 100K ohms.
• Maximum input level: 0 dBu (870 mVrms).
• Gain 26 dB maximum.
• Connectors: 1/4" phone.

Balanced: Differential Input
• Impedance: 20K ohms.
• Maximum input level: +25 dBu.
• Connectors: Both XLR and phone.

High Level
• Output Impedance: Less than 100 ohms.
• Maximum output level: +20 dBu into minimum recommended terminating load of 2.5K ohms.
• Connectors: 1/4" phone.

Low Level
• Output Impedance: Less than 1K ohms.
• Output level 12 dB below High Level output.

• Output Impedance: Less than 200 ohms.
• Maximum output level: +25 dBu into minimum recommended terminating load of 2.5K ohms.
• Connectors: Both XLR and phone, may be used simultaneously.

• Freq. Response: +/-0.5 dB, 20 Hz to 20 KHz, bypass; +/-1 dB, 20Hz to 20 KHz, EQ in and set flat.
• Signal/Noise: 109 dB bypass; 99 dB, EQ in and set flat; from noise floor to maximum output, unweighted, 20 Hz to 20 KHz.
• Distortion: Less than .003% THD at 0 dBu; less than .01% THD at maximum output.
• Frequency Ranges: Band 1: 25 to 500 Hz. Band 2: 150 to 2500 Hz. Band 3: 600 Hz to10 KHz.
• Bandwidth Range: Less than 1/3 to over 4 octaves.
• Boost and Cut: +20 to less than -40 dB

• Dimensions: 13/4" H x 19" W x 8" D.
• Weight: 5 lbs. (2.3 kg.)
• Construction: Steel chassis, zinc chromate plating; 1/8" etched and paint-filled aluminum front panel; glass epoxy circuit boards.
• Power Requirement: 5 watts; available in either 120 VAC 60 Hz, or 230 VAC 50/60 Hz versions.
• Safety Agency Approvals: UL, C-UL, CE listing pending.

Additional Information

Product ConditionNew - On Clearance

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