sony_str-7055

STR-7055GEP ModelFM STEREO/FM-AM RECEIVERSPECIFICATIONSFm Tuner SectionDriven separately at 1 kHz (each channel)Frequency range:87.5 MHz to 108 MHz50hat ohmUsable sensitivity:1.64W(S/N=30dB)Dynamic power output:136 watts total (8 ohmsSignal-to-noise ratio:70 dB(IHF constant power200 watts total (4 ohmssupply method)Capture ratio:1.0d8Harmonic distortion:Less than 0.2 at rated outputFrequency response:20Hzto15kHz±1dBLess than 0.1 at 1 watt outputStereo separation:Better than 38 dB at 400 HzGeneralA-m Tuner SectionSystem:Frequency range:530 kHz to 1,605 kHzComplementary symmetry circuit(SEPP OTL)Sensitivity:53dB/m,built-in bar antennaDirect output couplingat 1,000 kHz30 uV,external antennaPower requirements:100,120.220.240 volts50/60H2Signal-to-noise ratio:50 dB at 50 mV/mPower consumption:300 wattsDimensions:Audio Amplifier Section471(wlx157(hl×375(d)mm18 (w)x 6%16 [h)x 14%4 (d)inchesContinuous RMSNet weight:power output:15.3kg(331b110z(rated output,less than0.2%THD)to 20 kHz45+45 watts (8 ohms).55+55 watts (4 ohms)at 1 kHzSONYSERVICE MANUAL&不红