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286S Mic Pre-Amp processor dbx Professional Products

286S Mic Pre-Amp processor dbx Professional Products


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The dbx® 286s is a full featured Channel Strip Processor that delivers a studio quality microphone/instrument preamplifier and four processors that can be used independently or in any combination. Why mic up vocals and instruments through a noisy, blurry mixer? The sonically pristine dbx 286s Mic Preamp has all the features you need, including wide-ranging input gain control, switchable +48V phantom power, and an 80Hz high-pass filter to remove low frequency hum, rumble or wind. Use the patented dbx OverEasy® compressor to transparently smooth out uneven acoustic tracks or deliver that classic "in your face" vocal performance that only a dbx compressor can. Eliminate vocal sibilance and high frequency distortion from instruments such as cymbals with the frequency tunable De-Esser. Fine-tune the Enhancer HF Detail control to add sparkle and crispness to your tracks and make adjustments to the LF Detail control to add fullness and depth to vocals and bass instruments while cleaning up the muddy low midrange frequencies. And, the separate threshold and ratio controls on the Expander/Gate allow you to subtly reduce headphone leakage or radically gate noisy guitar amps.

The dbx 286s offers a full compliment of metering and status LEDs to visually guide you to achieving the right sound. The floating balanced XLR Mic Input accepts balanced or unbalanced inputs to easily connect to professional and home studio microphones. The additional 1/4" TRS Line Input can accept balanced/unbalanced signals to process live electronic instruments or pre-recorded tracks at mixdown. Use the Insert jack to interface between the Mic Preamp and the signal processing sections to "loop out" to external processors (such as EQ or delay unit) or to mix the Mic Preamp's signal out to an external destination.

The cost and hassle of patching together multiple processors for use on one track can be frustrating. The dbx 286s provides you with all the mic processing you need in one box, with the shortest, cleanest signal path to keep your music sounding its best!

 

  • Studio quality Mic Preamp/Channel Strip Processor
  • Classic dbx Compression puts great sound within easy reach
  • Frequency tunable De-Esser reduces sibilance and high frequency distortion
  • Enhancer increases the detail and definition of the high and low frequencies
  • Program adaptive Expander/Gate
  • Insert jack allows you to add an external processor
  • Full compliment of meters and status LEDs
  • +48V Phantom Power
  • Precision detented controls

    •  

    MIC INPUT

    INPUT Floating balanced, Pin 2 Hot

    Impedance: ~4.2kΩ

    Maximum Level: 0.25Vrms, Gain = 30dB

    Gain Adjustment
    Range: 0dB to +60dB

    Phantom Power: +48VDC, applied to XLR pins 2 and 3 through 6.81kΩ resistors

    CMRR: >40dB, typically 55dB

    EIN: -125dBu, 22Hz-22kHz, 150Ω source impedance

    LINE INPUT

    Input: Floating balanced, TIP Hot

    Impedance: 10kΩ unbalanced, 20kΩ balanced

    Maximum Level: >+21dBu, balanced or unbalanced

    Gain Adjustment
    Range: -15dB to +45 dB

    CMRR: >40dB, typically 55dB

    INSERT

    (1/4" TRS phone) Normalled; tip is Send, ring is Return

    Ring: Impedance: >5kΩ

        Maximum Level: >+21dBu

    Tip: Impedance: 100Ω

        Maximum Level: >+21dBu, >+20dBm (600Ω load)

    Noise: <-89dBu, unweighted (20Hz-20kHz);
    LINE GAIN Control set to 0dB

    Distortion: <0.01% THD, 20Hz-20kHz, +10dBu

    LINE OUTPUT

    1/4" TRS phone: Balanced/Unbalanced

    Impedance: 100Ω unbalanced, 200Ω balanced

    Maximum Level: >+21dBu, >+20dBm (600Ω load)

    Gain Adjustment Range: -30dB to +10dB

    Noise: <-80dBu unweighted (20Hz-20kHz); Both Gain Controls
    set for 0dB, all processing controls OFF

    Frequency Response: 20Hz to 20kHz, +0.5/-0.5dB

    Distortion: <0.08%THD, 20Hz-20kHz, +10dBu, all Processing Controls OFF

    COMPRESSOR

    Threshold Range: -40dBu to +20dBu

    Threshold
    Characteristics: OverEasy®

    Compression Ratio: >4:1 For input levels beyond 20dB above threshold

    Maximum
    Compression: 30dB

    Attack Time: Program-Dependent; >1s for small level increases,
    down to 10ms for larage increases

    Release Time: Program-Dependen; adjustable between approximately 1dB/sec and 75dB/sec

    Distortion: Typically <0.05%THD, 20Hz-20kHz, 15dB G/R, +10dBu Output, DENSITY @ 0

    SMPTE Intermodulation
    Distortion: <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, DENSITY @ 0

    DE-ESSER

    Characteristic: Wideband Gain Reduction

    Frequency Range: 800Hz to 10kHz High Pass, 12dB/octave

    Release Time: Program-Dependent approximately 1ms/dB

    ENHANCER

    HF Detail
    Characteristic: Program-controlled shelving equalizer, approximately 15dB maximum HF boost

    LF Detail
    Characteristics: Bell-shaped boost @ 80Hz, bell-shaped cut @250Hz, ratio is approximately 2:1

    EXPANDER/GATE

    Threshold Range: OFF to +15dBu

    Expansion Ratio: Adjustable 1.5:1 to 10:1

    Maximum Depth: >50dB

    Attack Time: Program-Dependent, approximately 2mS
    (at maximum attenuation)

    Release Time: Program-Dependent, approxiamtely 10mS/dB

    Dynamic Range: Typically 105dB

    POWER

    Power Requirements: 15watts

    Operating Voltage: DO: 120VAC 60Hz, 100VAC 50/60Hz; EU: 230VAC 50/60Hz

    Operating
    Temperature: 0°C to 45°C (32°F to 113°F)

    PHYSICAL

    Dimensions: 1.75" x 5.75" x 19" (4.5cm x 14.6cm x 48.5cm)

    Weight: Net Weight: 4.5 lbs/2.04 Kgs
    Shipping Weight: 6.54 lbs/2.97 Kgs     Note: Specifications subject to change without notice.