6521 SPECIFICATIONS2 Audio section• Power amplifierRated output: Front: 90 W + 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)125 W + 125 W (6 Ω/ohms, 1 kHz with 0.7% T.H.D.)Center: 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)125 W (6 Ω/ohms, 1 kHz with 0.7% T.H.D.)Surround: 90 W + 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)125 W + 125 W (6 Ω/ohms, 1 kHz with 0.7% T.H.D.)Surround Back: 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)125 W (6 Ω/ohms, 1 kHz with 0.7% T.H.D.)Dynamic power: 120 W x 2 ch (8 Ω/ohms)170 W x 2 ch (4 Ω/ohms)200 W x 2 ch (2 Ω/ohms)Output terminals: Front, Surr. Back: A (I) or B (II) 16 ~ 16 Ω/ohmsA (I) + B (II) 12 ~ 16 Ω/ohmsCenter, Surround: 16 ~ 16 Ω/ohms• AnalogInput sensitivity / input impedance: 200 mV / 47 kΩ/kohmsFrequency response: 10 Hz ~ 100 kHz: +1, –3 dB (DIRECT mode)S/N: 100 dB (IHF-A weighted) (DIRECT mode)Distortion: 0.008% (20 Hz ~ 20 kHz) (DIRECT mode)Rated output: 1.2 V• Phono equalizer (PHONO input — REC OUT)Input sensitivity: 2.5 mVRIAA deviation: ±1 dB (20 Hz to 20 kHz)Signal-to-noise ratio: 74 dB (A weighting, with 5 mV input)Rated output / Maximum output: 150 mV / 7 VDistortion factor: 0.03% (1 kHz, 3 V)2 Video section• Standard video jacksInput / output level and impedance: 1 Vp-p, 75 Ω/ohmsFrequency response: 5 Hz ~ 10 MHz — +1, –3 dB• S-video jacksInput / output level and impedance: Y (brightness) signal — 1 Vp-p, 75 Ω/ohmsC (color) signal — 0.286 Vp-p, 75 Ω/ohmsFrequency response: 5 Hz ~ 10 MHz — +1, –3 dB• Color component video jacksInput / output level and impedance: Y (brightness) signal — 1 Vp-p, 75 Ω/ohmsP B /CB (blue) signal — 0.7 Vp-p, 75 Ω/ohmsP R /CR (red) signal — 0.7Vp-p, 75 Ω/ohmsFrequency response: 5 Hz ~ 30 MHz — +1, –3 dB2 Tuner section[FM] (note: μV at 75 Ω/ohms, 0 dBf=1 x 10–15 W) [AM]Receiving Range: 87.50 MHz ~ 107.90 MHz 520 kHz ~ 1710 kHzUsable Sensitivity: 1.0 μV (11.2 dBf) 18 μV50 dB Quieting Sensitivity: MONO 1.6 μV (15.3 dBf)STEREO 23 μV (38.5 dBf)S/N (IHF-A): MONO 80 dB (IHF-A weighted)STEREO 75 dB (IHF-A weighted)Total Harmonic Distortion (at 1 kHz): MONO 0.15% (1kHz)STEREO 0.3% (1kHz)2 GeneralPower supply: AC 120 V, 60 HzPower consumption: 4.5 A1 W Max. (Standby)Maximum external dimensions: 434 (W) x 171 (H) x 417 (D) mm (17-3/32” x 6-47/64” x 16-27/64”)Weight: 11.9 kg (26 lbs 4 oz)2 Remote control unit (RC-939)Batteries: R6P/AA Type (three batteries)External dimensions: 55 (W) x 225 (H) x 34.5 (D) mm (2-11/64” x 8-55/64” x 1-9/64”)Weight: 165 g (Approx. 5.8 oz) (including batteries)* For purposes of improvement, specifications and design are subject to change without notice.ENGLISH