ACOUSTIC & ELECTRICAL SPECIFICATIONS:• Nominal Impedance 8 Ohms• Max Amp Power 225 Watts*• Frequency Response 36Hz – 40kHz (-3dB)• Sensitivity 91dB (2.83V @ 1 meter)• Crossover Frequencies 500Hz, 3000Hz, 24dB/octave12000Hz, 18dB/octaveSYSTEM COMPONENTS:• Cabinet ES90 (Not for Sale)• Grille Ass’y 244-080-05275-0BAE• Low-Frequency Transducer Dual 8" (203mm) PolyPlas™,shielded; 20PR10DX-HW01-EDC Resistance 10.2 Ohms, ±10%• Midrange Transducer 4" (101mm) PolyPlas,shielded; 10PR75AX-HW01-EDC Resistance 4.4 Ohms, ±10%• High-Frequency Transducer 3/4" (19mm) Titanium-laminate dome, shielded;79DM19AX-DT01-EDC Resistance 2.8 Ohms, ±10%• UHF Transducer 3/4" (19mm)Polyester-film, shielded;353107-001-EDC Resistance 3.3 Ohms, ±10%• Crossover Network 013-7600-05364-EAURAL SWEEP TEST SPECIFICATIONS:• System Aural Sweep Test 6.0V Input 35Hz to 20kHz• L.F. Aural Sweep Test 5.0V Input 35Hz to 1kHz• M.F. Aural Sweep Test 5.0V Input 500Hz to 4kHz• H.F. Aural Sweep Test 5.0V Input 2kHz to 10kHz• U.H.F. Aural Sweep Test 2.83V Input 10kHz to 20kHzPHYSICAL SPECIFICATIONS:• Dimensions 42-11/16" x 10-1/4" x 15-1/8"(H x W x D) (1084mm x 260mm x 384mm)• Weight 53.4 lb/24.2kg (each)WARRANTY:• Refer to Warranty Statement packed with each product.* The maximum recommended amplifier power rating will ensureproper system headroom to allow for occasional peaks. We do notrecommend sustained operation at these maximum power levels.2826272425.250.205.187.250.110.110.205.110Black 510mmGreen 510mm.250.205L.F.U.H.F.H.F.M.F.C1100μF100vC311μF100vC51.0μF100vBlack 585mmYellow 585mmOrange 635mmBlack 635mmWhite 560mmBlack 560mmL13.3mHL40.2mHL50.10mHBlack -Orange +Black -Red +White -Red +Black -Green +Yellow +Black-R31Ω10WR11.8Ω10WUHF TRANSDUCER353107-001-EHIGH-FREQUENCYTRANSDUCER79DM19AX-DT01-ELOW-FREQUENCYTRANSDUCER20PR10DX-HW01-ECROSSOVER NETWORK013-7600-05364-EWhite +Black -MIDRANGETRANSDUCER10PR75AX-HW01-EH.F. INPUTL.F. INPUTC63.4μF100vC224μF100vL21.0mH L32.5mHC46.8μF100vR23Ω10WBlack -Green +PACKAGINGWIRING DIAGRAMES90 SCHEMATICTechnical ManualES90ES904/09Harman Consumer Group, Inc., 8500 Balboa Blvd., Northridge, CA 91329Release Date 2007Discontinued Date xxxxLegend on Page 2