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INTEGRATED STEREO AMPLIFIER

E - 4 0 7

m

 Triple parallel push-pull output stage delivers quality power: 180 watts × 2 into 8

ohms 

m

 Current feedback principle combines superb sound with total operation stability

Logic-controlled relays for shortest signal paths 

Separator switch allows

independent use of pre/power sections 

Large  toroidal power transformer 

Balanced

inputs 

Option board available for playback of analog records

Summary of Contents for E-407

Page 1: ...o 8 ohms m Current feedback principle combines superb sound with total operation stability m Logic controlled relays for shortest signal paths m Separator switch allows independent use of pre power sections m Large toroidal power transformerm Balanced inputs m Option board available for playback of analog records ...

Page 2: ...0 watts channel into 8 ohms The output devices are multi emitter power tran sistors designed for high power audio applica tions These devices have excellent frequency re sponse forward current transfer ratio linearity and switching performance characteristics They are connected in a triple parallel configuration Fig ure 1 for low impedance and mounted directly on a large heat sink to assure ef fic...

Page 3: ...apacitors each rated for 33 000 uF assure ample reserves also for re production of the most demanding passages Dedicated headphone amplifier for best sound The E 407 provides a separate amplifier for the phone jack de signed to provide superior sonic performance The speaker out put can be cut off by a switch and the main volume control can be used to adjust the headphone listening level Two sets o...

Page 4: ...ator switch L Attenuator switch M Line inputs N Tape recorder inputs and outputs O Left right speaker output terminals P CD LINE balanced inputs Q Preamplifier power amplifier separator switch R Preamplifier outputs S Power amplifier inputs T AC inlet for supplied power cord H U Switched AC outletsH Input impedance Input S N ratio EIA Input Option Boards The rear panel of the E 407 provides two sl...

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