EAW SB1002 User Manual To The 774ee0be D0cf 47a5 9f37 92813821e1f8
User Manual: EAW SB1002 to the manual
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SB1002 group · S Specifications DUAL 18 INCH SUBWOOFER See NOTES TABULAR DATA for details CONFIGURATION Subsystem Transducer Loading Vented SUB 2x 18 in cone Operating Mode Amplifier Channels Single-amp LF1/ LF2 Dual-amp LF1, LF2 PERFORMANCE DESCRIPTION EAW SB subwoofers are premium products designed for the most demanding professional applications. A broad range of capabilities and sizes provide designers with selections that can be specifically matched to the application. Top quality drivers, engineered by EAW, supply the highest output and best sonic performance possible for a given form factor. All SB models are direct radiating, with optimally tuned, vented enclosures. SB subwoofers are the choice where the absolute best sonic performance, highest reliability, and most robust physical construction are required. The SB1002 is a large-format, high-output subwoofer system that can be ground-stacked or easily flown via an integral rigging system, making it ideal for a wide range of live and installed sound applications. It offers the fatter-sounding output of dual 18-inch cone drivers, with the mounting of these drivers maximizing cone area and minimizing front area, providing the acoustical performance and physical configuration well suited for creating large subwoofer arrays. The drivers are designed specifically for the SB1002, offering very large (4.5-inch) voice coils as well as powerful neodymium magnet structures that also reduce weight. External Signal Processing DSP w/1-way filter DSP w/1-way filter Operating Range 28 Hz to 160 Hz Nominal Beamwidth Horz 360° Vert 360° Axial Sensitivity (SPL) LF1/LF2 (whole space) 95 dB 28 Hz to 160 Hz (half space) 101 dB 28 Hz to 160 Hz Input Impedance (ohms) Nominal Minimum LF1/ LF2 4 3.8 @ 30 Hz LF1, LF2 8 (each) 7.5 @ 30 Hz (each) High Pass Filter High Pass =>30 Hz, 12 dB/octave Accelerated Life Test System LF1/LF2 98 V 2400 W @ 4 ohm LF1, LF2 98 V (each) 1200 W @ 8 ohm (each) Transducer (AES) 1200 W (each) Calculated Axial Output Limit (whole space SPL) Average Peak LF1/LF2 (whole space)129 dB 135 dB (half space) 135 dB 141 dB ORDERING DATA Description Part Number SB1002 Dual 18 inch Subwoofer Black 0023835 Optional Accessories FB1SB Subwoofer Fly Bar 0023840 PLT1K2 Caster Pallet 0023841 The SB1002 is designed to be used with sophisticated digital signal processing to optimize the LF response. EAW UX and MX Series processors are recommended for the required crossover and equalization. The rigging system, similar to that of EAW’s popular KF760 Series line arrays, features a fast, easy-to-use two-point approach that accommodates flown arrays of up to 12 SB1002 units. A handle on the rear upper corner of the SB1002 enclosure provides added guidance and convenient “push-pull” ability in the flying process. Applications include large live music and dance clubs, houses of worship, performing arts/auditoriums, corporate events, and concert touring. Six Year Warranty. Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0442 SB1002 November 2007 SB1002 Specifications group · S ENCLOSURE Material Baltic birch plywood Finish RoadCoatTM wear resistant textured black paint Grille Powder-coated perforated steel NOTES: This drawing has been reduced. Do not scale. Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0442 SB1002 November 2007 SB1002 group · S Specifications PERFORMANCE DATA 102607 SB1002 GRPH Master v2 See NOTES GRAPHIC DATA for details Frequency Response: Processed LF1/2 Whole Space = green 10 10 0 0 SPL (dB) -10-10 dB SPL -20-20 -30 -30 -40 -40 -50 -50 10 10 100 100 1000 1000 Frequency (Hz) 20000 20000 102607 SB1002 GRPH Master v2 102607 SB1002 GRPH Master v2 Frequency Response: Digital Signal Processor Frequency Response: Unprocessed LF = green LF1/2 Whole Space = green 120 120 20 20 10 110 110 10 100 100 0 -20-20 dB re 0.775 V 80 SPL (dB) dB SPL 90 0 dB re 0.775 V rms 10-10 90 80 70 -30-30 60 -40-40 70 60 10 10 100 100 1000 Frequency (Hz) 1000 20000 20000 102607 SB1002 GRPH Master v2 10 10 100 100 1000 1000 Frequency (Hz) 20000 20000 Impedance Magnitude LF1/2 = green LF1, LF 2 (each) = orange 100 100 Ohms Ohm 10 10 1 1 10 10 100 100 1000 1000 Frequency (Hz) 20000 20000 Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0442 SB1002 November 2007 SB1002 group · S Specifications INPUT PANEL SIGNAL DIAGRAM 1-Way, Single-Amp (LF1/LF2) DSP EQ HPF LPF LF AMP LF 1-Way, Dual-Amp (LF1, LF2) DSP EQ HPF LPF AMP LF AMP LF LEGEND DSP: HPF: LPF: LF/MF/HF: AMP: XVR: User-supplied Digital Signal Processor. High Pass Filter for crossover or specified High Pass Filter. Low Pass Filter for crossover. Low Frequency / Mid Frequency / High Frequency. User-supplied Power Amplifier. Passive LPFs, HPFs, and EQ integral to the loudspeaker. NOTES TABULAR DATA 1. Measurement/Data Processing Systems: Primary - FChart: proprietary EAW software; Secondary - Brüel & Kjær 2012. 2. Microphone Systems: Earthworks M30; Brüel & Kjær 4133 3. Measurements: Dual channel FFT; length: 32 768 samples; sample rate: 48 kHz; logarithmic sine wave sweep. 4. Measurement System Qualification (includes all uncertainties): SPL: accuracy +/-0.2 dB @ 1 kHz, precision +/-0.5 dB 20 Hz to 20 kHz, resolution 0.05 dB; Frequency: accuracy +/-1 %, precision +/-0.1 Hz, resolution the larger of 1.5 Hz or 1/48 octave; Time: accuracy +/-10.4 µs, precision +/-0.5 µs, resolution 10.4 µs; Angular: accuracy +/-1°, precision +/-0.5°, resolution 0.5°. 5. Environment: Measurements time-windowed and processed to eliminate room effects, approximating an anechoic environment. Data processed as anechoic or fractional space, as noted. 6. Measurement Distance: 7.46 m. Acoustic responses represent complex summation of the subsystems at 20 m. SPL is referenced to other distances using the Inverse Square Law. 7. Volts: Measured rms value of the test signal. 8. Watts: Per audio industry practice, “loudspeaker watts” are calculated as voltage squared divided by rated nominal impedance. Thus, these are not True Watt units of energy as defined by International Standard. 9. SPL: (Sound Pressure Level) Equivalent to the average level of a signal referenced to 0 dB SPL = 20 microPascals. 10. Subsystem: This lists the transducer(s) and their acoustic loading for each passband. Sub = Subwoofer, LF = Low Frequency, MF = Mid Frequency, HF = High Frequency. 11. Operating Mode: User selectable configurations. Between system elements, a comma (,) = separate amplifier channels; a slash (/) = single amplifier channel. DSP = Digital Signal Processor. IMPORTANT: To achieve the specified performance, the listed external signal processing must be used with EAW-provided settings. 12. Operating Range: Range where the processed Frequency Response stays within -10 dB SPL of the power averaged SPL within this range; measured on the geometric axis. Narrow band dips are excepted. 13. Nominal Beamwidth: Design angle for the -6 dB SPL points, referenced to 0 dB SPL as the highest level. 14. Axial Sensitivity: Power averaged SPL over the Operating Range with an input voltage that would produce 1 W at the nominal impedance; measured with no external processing on the geometric axis, referenced to 1 m. 15. Nominal Impedance: Selected 4, 8, or 16 ohm resistance such that the minimum impedance point is no more than 20% below this resistance over the Operating Range. 16. High Pass Filter: This helps protect the loudspeaker from excessive input signal levels at frequencies below the Operating Range. 17. Accelerated Life Test: System: Maximum test input voltage applied with an EIA-426B defined spectrum; measured with specified signal processing; Transducer: AES2-1984 R 1997. 18. Calculated Axial Output Limit: Highest average and peak SPLs possible during the Accelerated Life Test. The Peak SPL represents the 2:1 (6 dB) crest factor of the Life Test signal. GRAPHIC DATA 1. Resolution: To remove insignificant fine details, 1/12 octave cepstral smoothing was applied to acoustic frequency responses and 1/3 octave cepstral smoothing was applied to the beamwidth and impedance data. Other graphs are plotted using raw data. 2. Frequency Responses: Variation in acoustic output level with frequency for a constant input signal. Processed: normalized to 0 dB SPL. Unprocessed inputs: 2 V (4 ohm nominal impedance), 2.83 V (8 ohm nominal impedance), or 4 V (16 ohm nominal impedance) referenced to a distance of 1 m. 3. Processor Response: The variation in output level with frequency for a constant input signal of 0.775 V = 0 dB reference. 4. Impedance: Variation in impedance magnitude, in ohms, with frequency without regard to voltage/current phase. This means the impedance values may not be used to calculate True Watts (see 8 above). Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0442 SB1002 November 2007
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