286s Mic Preamp Channel Strip Processor Complete Loudspeaker Management System All the mic processing you need. 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. Features < Studio quality Mic Preamp/Channel Strip < Frequency tunable De-Esser reduces < Insert jack allows you to add an external Processor sibilance and high frequency distortion processor < Classic dbx Compression puts great sound < Enhancer increases the detail and definition < +48V Phan tom Power within easy reach of the high and low frequencies < Pr ecision detented controls < Program adaptive Expander/Gate < Full compliment of meters and status LEDs Who uses this product: BROADCAST LIVE SOUND STUDIO dbx Professional 8760 S. Sandy Pkwy. 801.568.7660 PHONE 801.568.7583 INT’L FAX www.dbxpro.com Products Sandy, Utah 84070 801.568.7662 FAX customer@dbxpro.com 286s Mic Preamp Channel Strip Processor s s s s s Specifications Attack Time Program-Dependent; >1s for small level increases, MIC INPUT: Floating balanced, Pin 2 Hot down to 10ms for large increases Impedance ~ 4.2kΩ Balanced Release Time Program-Dependent; adjustable between approximately Maximum Level 0.25Vrms, Gain = 30dB 1dB/Sec and 75dB/Sec Gain Adjustment Range +0dB to 60dB Distortion Typically <0.05%THD, 20Hz-20kHz, 15dB G/R, +10dBu Phantom Power +48VDC, applied to XLR pins 2 and 3 through Output, DENSITY @ 0 6.81kΩ resistors SMPTE Intermodulation Distortion <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, CMRR >40dB, typically 55dB DENSITY @ 0 EIN -125dBu, 22Hz-22kHz, 150Ω source impedance D E-S S E R: Characteristic Wideband Gain Reduction LINE INPUT: Floating balanced, TIP Hot Frequency Range 800Hz to 10kHz High Pass, 12dB/octave Impedance 10kΩ unbalanced, 20kΩ balanced Release Time Program-Dependent approximately 1ms/dB Maximum Level >+21dBu, balanced or unbalanced Gain Adjustment Range -15dB to +45dB CMRR >40dB, typically 55dB ENH A N C ER : HF Detail Characteristic Program-controlled shelving equalizer, approximately 15dB maximum HF boost INSERT (1/4” TRS): Normalled: tip is Send, ring is Return LF detail Characteristic Bell-shaped boost @ 80Hz, bell-shaped cut @ 250Hz, Ring: Impedance >5kΩ ratio is approximately 2:1 Maximum Level >+21dBu Tip: Impedance 100Ω Maximum Level >+21dBu, >+20dBm (600Ω load) E XP A N D E R / G ATE: Noise <-89dBu, unweighted (20Hz-20kHz); Threshold Range OFF to +15dBu LINE GAIN Control set to 0dB Expansion Ratio Adjustable 1.5:1 to 10:1 Distortion <0.01% THD, 20Hz-20kHz, +10dBu Maximum Depth >50dB Attack Time Program-Dependent, approximately 2ms (at maximum attenuation) LINE OUTPUT (1/4” TRS): Balanced/Unbalanced Release Time Program-Dependent, approxiamtely 10ms/dB Impedance 100Ω unbalanced, 200Ω balanced Maximum Level >+21dBu, >+20dBm (600Ω load) Gain Adjustment Range -30dB to +10dB DYNAMIC RANGE: Typically 105dB Noise <-85dBu unweighted (20Hz-20kHz); Both Gain Controls set for 0dB, all processing controls OFF POWER SUPPLY: Frequency Response 20Hz - 20kHz, +0.5/-0.5dB Power Requirements 15 Watts Distortion <0.08%THD, 20Hz-20kHz, +10dBu, all Processing Operating Voltage USA: 120VAC 60Hz, 100VAC 50/60Hz; Controls OFF EU: 230VAC 50/60Hz Operating Temperature 0°C to 45°C (32°F to 113°F) COM P RES SOR : Threshold Range -40dBu to +20dBu P HYS I C A L: Threshold Characteristics OverEasy® Dimensions 1.75” x 5.75” x 19” (4.5cm x 14.6cm x 48.5cm) Compression Ratio >4:1 For input levels beyond 20dB above threshold Weight Net Weight: 4.5 lbs/2.04 Kg Maximum Compression 30dB Shipping Weight: 6.54 lbs/2.97 Kg dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice. dbx Professional 8760 S. Sandy Pkwy. 801.568.7660 PHONE 801.568.7583 INT’L FAX www.dbxpro.com Products Sandy, Utah 84070 801.568.7662 FAX customer@dbxpro.com Part number: 18-0842