Pioneer-SA-708-Schematic电路原理图.pdf

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1、SPECI FICATIONS Semiconductors f C s . . . 3 FETs . 2 T r a n s i s t o r s . . . . . 4 1 Diodes 31 Amplifier Section Continuous Power Output 0f 65 watts. per channel, mn., at 8 ohms from 20 Hertz to 20,000 Hertz with no more than 0.02 % total harmonic distortion or 65 watts per channel at 4 ohms fr

2、om 20 Hertz to 20,000 Hertz with no more than 0.03% total harmonic distortion. Continuous Power Outpuf at lkHz (both channels driven) T.H.D. 0.02o/o,8 ohms . . 70 watts per channel Total Harmon ic D istortion (20 Hertz to 20,000Hertz, 8 ohms, from AUX) continuous rated power output . . No more than0

3、.02o/o 32.5 watfs per channel power output . . . No more than 0.02% I watt per channel power output . No more than0.02o/o Intermodulation Distortion (50 Hertz: 7,000 Herfz = 4:1 , 8 ohms, from AUX) continuous rated power output . . No more than 0.02o/o 32.5 watts per channel power output . . . . . N

4、 o m o r e t h a n 0 . 0 2 % 1 watt per channel power output . No more than0.02oA Damping Factor (20 Hertz to ,20,000 Hertz, 8 ohms) . 35 I nput (Sensitivity/l mpedance) PHONO . 2.5mV/50kilohms TUNER . . 150mV/50kilohms A U X . . . 1 5 0 m V / 5 0 k i l o h m s T A P E P L A Y l , 2 . . . . . . . 1

5、5 0 m V / 5 0 k i l o h m s TAPE PLAY 2 (DlN connector) . . . 150mV/50kilohms Phono Overload Level (T.H.D. 0.01%, l kHz) PHONO . 200mV Output (Level/l mpedance) T A P E R E C 1 . . . . . l 5 0 m V / l k i l o h m T A P E R E C 2 . . . . . 1 5 O m V / l k i l o h m TAPE REC 2 (DlN connector) 30mV/80k

6、ilohms Speaker . A, B, A+B (4 - l6ohms) Frequency Response PHONO (RIAA Equalization) 20Hz to 20.000H2 10.2d8 Tone Control BASS. . +7.5d8,-7.5d8(100H2) TREBLE +7.5d8, _7.5dB (10,000H2) Subsonic Filter . 15Hz (-6dBloct) Loudness Contour (Volume control set at -40d8 position) . . . . . . . . . +6dB (10

7、0H2),+3dB (10,000H2) Hum and Noise (lHF, short-circuited, A network) P H O N O . . . . 8 6 d 8 . TUNER, AUX, TAPE PLAY . . IOOdB Hum and Noise (DlN continuous power/50mW) PHONO 70dB/60d8 TUNER, AUX, TAPE PLAY . 86dB/61d8 Muting -20d8 Miscellaneous Power Requirements HA model . .220V.50160H2 HRmodel

8、.240V,50160H2 S, S/G models 1 10V/1 20V 1220V 1240V, 50/60H2 Power Consumption H A , H R m o d e l s . . . . 6 0 0 W S, S/G models 190W Dimensions .420(W) x150(H) x337(D) mm 16-9116(w) x s-7l8(H) x 13-1l4(D) in Weight (without package) . . . .9.7kg(21 lb. 6 oz) Furnished Parts . O p e r a t i n g i

9、n s t r u c t i o n s . . . . . 1 Fuse 2.5A (S, S/G models only) . . . . 1 F u s e 5 A ( S , S / G m o d e l s o n l y ) . . . . . . 1 NOTE: Specifications and the design subject to possible modifi- cations without notice due to improuements. * Measured pursuant to the Federanl Trade Commsons Trade

10、Regulation rule on Power Output Claims for Amplifiers. TUNER, AUX, TAPE PLAY lOHz to 50.000H2 tl dB RadioFans.CN 收音机爱 好者资料库 I t i l i ? r l F | ; t I l! : 1 : r : *;:?, 55 l ; .c * ;: -l frl t t t ;l _.-l - ._ l I RadioFans.CN 收音机爱 好者资料库 I - | ,:- : I -l -:rr-3 | I t- tl 9. E Ll ; . r E g I gl ! t? l i! E u, o - fn 3 T o g F o 7 3 =l I I - ;-=-l sgil *-l t- _t | : g r t i l- I L- 5 3 E ; ! - : t ; 5 ! i ; E 3 ; i i . : ; : i i i i L i I l-6; 3 , 3 I