Features # IMST, 1 Channel by 2 Power Supply. a AF Output Power STK 084G: 50 W min. STK O86G: 70 W min. Low distortion, @ Able to add a peripheral protector. MAXIMUM RATING/T2=25C STK 084G STK 0866 unit Maximum Supply Voltage Veo max +60 +55 Vv Collector Current lo max _ 7 A Thermal Coefficient 8j}-(Tc=25C} 1.4 C/W Operating Case Temperature Tc > 90 c Storage Temperature Tstg > -30 to +105 c Allowable Load Shorting Time t 2 _ sec {in appointed condition) $ RECOMMENDED OPERATION CONDITIONS / Ta=25C STK 084G STK 086G unit Recommended Supply Voltage Vcc +35 +42 Vv Load Resistance RL > 8 ohm OPERATION CHARACTERISTICS/Ta=25C, recommended Vcc supplied, RL=8 ohm, Rg-600 ohm, VG=33.4 dB STK 084G STK O86G unit Quiescent Current leeo > 100 mAmax Output Power Po THD=0.03%, f=20 to 20kHz 50 70 Wmin : . Po=0.25W, Distortion THD f=20 to 20kHz > 0.05 % max Frequency Response =f Po=1 W, 1 dB > 10 ta 100k Hz Input Resistance rj Po=7 W, f=1 kHz > 52k ohm EQUIVALENT CIRCUIT APPLICATION: AF Power Ame. ay ae 1 QuTPT c1 STK 084G | 50V STK 0866 | 63V See the operation chavacteristics on this specihcation.