Sennheiser Electrostatic Amplifier HEV70 Manuel d'utilisateur télécharger pdf (Page 5)

4

10-20.000 Hz

< 0,01 %

750 g

HE 60 앸 HEV 70Chinch≥ 90 dB

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HEV 70













HEV 70

The HEV 70 amplifier has been developed

especially for use with the HE 60. As a high

voltage/semi-conductor amplifier it supplies

the polarisation voltage needed for the

electrostatic headphone HE 60 and amplifies

the incoming signal.

Connections and operating elements

2-channel-switch for volume control (high

qualitiy ALPS potentiometer)

Volume control



volume control button right



volume control button left

The control buttons



and



are

joined by a sliding clutch, this way

they are operating simultaneously.

Channel differences of a sound source

can be compensated by holding tight

the control button



and realizing the

correction at the same time with the

controll button



.



Operating and

overmodulation indication

This LED is emitting green light when

the amplifier is operating.

If the LED begins to emit

sometimes red light the amplifier is

overmodulated. Reduce the volume!



On/off switch



Connection socket for HE 60. This

socket supplies the signal and

polarization voltage for the headphone.



Power supply, connection for the

cable of the power supply unit NT 20.

1 2 3 4 5 6 7 8 9 10 ... 18 19

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