DBX 286s Mic Preamp/Channel Strip Processor

Priced: $199.95
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DBX 286s Mic Preamp/Channel Strip Processor -

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. 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 complement 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.


  • Enhancer increases the detail and definition of the high and low frequencies
  • Insert jack allows you to add an external processor
  • Classic dbx Compression puts great sound within easy reach
  • Program adaptive Expander/Gate
  • +48V Phantom Power
  • Studio quality Mic Preamp/Channel Strip Processor
  • Precision detented controls
  • Full compliment of meters and status LEDs
  • Frequency tunable De-Esser reduces sibilance and high frequency distortion
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Compressor Ratio:>4:1 For input levels beyond 20dB above threshold
Compressor: Attack Time:Program-Dependent; >1s for small level increases, down to 10ms for large increases
Compressor: Distortion:Typically <0.05%THD, 20Hz-20kHz, 15dB G/R, +10dBu Output, DENSITY @ 0
Compressor: Maximum Compression:30dB
Compressor: Release Time:Program-Dependent; adjustable between approximately 1dB/sec and 75dB/sec
Compressor: SMPTE:Intermodulation Distortion: <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, DENSITY @ 0
Compressor: Threshold Characteristics:OverEasy
Compressor: Threshold Range:-40dBu to +20dBu
De-esser: Characteristic:Wideband Gain Reduction
De-esser: Frequency Range:800Hz to 10kHz High Pass, 12dB/octave
De-esser: Release Time:Program-Dependent approximately 1ms/dB
Dimensions (H x D x W):1.75" x 5.75" x 19" (4.5cm x 14.6cm x 48.5cm)
Enhancer: HF Detail Characteristic:Program-controlled shelving equalizer, approximately 15dB maximum HF boost
Enhancer: LF Detail Characteristics:Bell-shaped boost @ 80Hz, bell-shaped cut @250Hz, ratio is approximately 2:1
Expander/Gate: Attack Time:Program-Dependent, approximately 2mS (at maximum attenuation)
Expander/Gate: Dynamic Range:Typically 105dB
Expander/Gate: Expansion Ratio:Adjustable 1.5:1 to 10:1
Expander/Gate: Maximum Depth:>50dB
Expander/Gate: Release Time:Program-Dependent, approximately 10mS/dB
Expander/Gate: Threshold Range:OFF to +15dBu
Insert: (1/4" TRS phone):Normalled; tip is Send, ring is Return
Insert: Distortion:<0.01% THD, 20Hz-20kHz, +10dBu
Insert: Impedance:Ring: >5k ohm Tip: 100 ohm
Insert: Maximum Level:>+21dBu +21dBu, >+20dBm (600 ohm load)
Insert: Noise:<-89dBu, unweighted (20Hz-20kHz); LINE GAIN Control set to 0dB
Line Input:Floating balanced, TIP Hot
Line Input: CMRR:>40dB, typically 55dB
Line Input: Gain Adjustment Range:-15dB to +45 dB
Line Input: Impedance:10k ohm unbalanced, 20k ohm balanced
Line Input: Maximum Level:>+21dBu, balanced or unbalanced
Line Output: 1/4" TRS phone:Balanced/Unbalanced
Line Output: Distortion:<0.08%THD, 20Hz-20kHz, +10dBu, all Processing Controls OFF
Line Output: Frequency Response:20Hz to 20kHz, +0.5/-0.5dB
Line Output: Gain Adjustment Range:-30dB to +10dB
Line Output: Impedance:100 ohm unbalanced, 200 ohm balanced
Line Output: Maximum Level:>+21dBu, >+20dBm (600 ohm load)
Line Output: Noise:<-80dBu unweighted (20Hz-20kHz); Both Gain Controls set for 0dB, all processing controls OFF
Mic Input:Floating balanced, Pin 2 Hot
Mic Input: CMRR:>40dB, typically 55dB
Mic Input: EIN:-125dBu, 22Hz-22kHz, 150 ohm source impedance
Mic Input: Gain Adjustment Range:0dB to +60dB
Mic Input: Impedance:-4.2k ohm
Mic Input: Maximum Level:0.25Vrms, Gain = 30dB
Mic Input: Phantom Power:+48VDC, applied to XLR pins 2 and 3 through 6.81k ohm resistors
Operating Temperature:0 Deg.C to 45 Deg.C (32 Deg.F to 113 Deg.F)
Operating Voltage:DO: 120VAC 60Hz, 100VAC 50/60Hz; EU: 230VAC 50/60Hz
Power Requirements:15watts
Weight:4.5 lbs / 2.04 Kgs

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