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dbx 286s Microphone Preamp / Channel Strip Processor

Microphone channel strip processor, dbx compression, de-esser, enhancer and +48V phantom power

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All The Features You Need– and Then Some–With This dbx Preamp!

For studio quality microphone sound, the sonically pristine dbx 286s Microphone Preamp / Channel Strip Processor has all the features you need. The dbx 286s boasts a wide-ranging input gain control, switchable +48V phantom power, four processors that can be used independently or in any combination, and an 80Hz high-pass filter to remove low frequency hum, rumble or wind. The dbx 286s provides the professional features you likely don't have on your mixer. Dedicate one or two dbx 286s channel strips to your most important elements and have that extra control to help them cut through the mix while keeping the volume of the peaks under control. Owning this wonderful tool will expand your capabilities, improve your sound system and delight your visitors.

dbx 286s Features:
  • Studio quality mic preamp/channel strip processor
  • Classic dbx OverEasy 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
Use the patented dbx OverEasy compressor featured on the dbx 286s 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 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! Like we said, the dbx 286s really does have it all.
Specifications for the dbx 286s
dbx 286s Preamp Specifications: Mic Input:
  • Input: Floating balanced, Pin 2 Hot
  • Impedance: -4.2k ohms
  • Maximum Level: 0.25Vrms, Gain = 30dB
  • Gain Adjustment Range: 0dB to +60dB
  • Phantom Power: +48VDC, applied to XLR pins 2 and 3 through 6.81k ohm resistors
  • CMRR: >40dB, typically 55dB
  • EIN: -125dBu, 22Hz-22kHz, 150 ohm source impedance
Line Input:
  • Input: Floating balanced, TIP Hot
  • Impedance: 10k ohm unbalanced, 20k ohm balanced
  • Maximum Level: >+21dBu, balanced or unbalanced
  • Gain Adjustment Range: -15dB to +45 dB
  • CMRR: >40dB, typically 55dB
Insert:
  • Connector: 1/4 inch TRS phone, Normalled; tip is Send, ring is Return
  • Ring: Impedance: >5k ohms
  • Maximum Level: >+21dBu
  • Tip: Impedance: 100 ohms
  • Maximum Level: >+21dBu, >+20dBm (600 ohm load)
  • Noise: <-89dBu, unweighted (20Hz-20kHz);
  • Line Gain: Control set to 0dB
  • Distortion: <0.01% THD, 20Hz-20kHz, +10dBu
Line Output:
  • 1/4 inch TRS phone: Balanced/Unbalanced
  • Impedance: 100 ohm unbalanced, 200 ohm balanced
  • Maximum Level: >+21dBu, >+20dBm (600 ohm 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 at 0
  • SMPTE Intermodulation Distortion: <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, DENSITY at 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 at 80Hz, bell-shaped cut at 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
Dimensions and Weight:
  • Dimensions: 1.75 x 5.75 x 19 inches (4.5x14.6x48.5cm)
  • Weight: Net Weight: 4.5 lbs/2.04 Kgs
  • Shipping Weight: 8 lbs
  • Shipping Dimensions: 22 x 12 x 3 in
Overall Rating:  N/A Number of Reviews: 0
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