Line inputs and outputs („Bypass“), internally looped through. Gold- plated Cinch sockets. Pay attention to the markings L (left) and R (right).
Connect one line output of your hifi component with the line input of the amplifier HEV 70.
Devices which until now were connected to the line output of your hifi component are now connected to the output of the HEV 70.
Security hints
This amplifier is operating with high voltage! As producer Sennheiser is obliged to point at possible dangers:
•Use the amplifier only in dry rooms.
•If your amplifier had been stored for a longer period at cold temperatures, please wait 1 - 2 hours until the amplifier is adapted to the normal room temperature. Otherwise the amplifier risks to be moistened inwards by condensation water.
•Do not open the amplifier. Repairs are only to be made by an authorized Sennheiser service agent.
•Pay attention as to the mains voltage corresponds to the mains voltage indicated on the power supply unit NT 20.
Technical data
Amplitude response S/N ratio Distorsion (1 KHz) Line input Sensitivity / impedance Delivery includes
Power supply units NT 20 ...:
10 - 20,000 Hz (± 1 dB)
≥90 dB ≤ 0,01 %
250 mV / 10 kΩ
amplifier HEV 70, power supply unit NT 20, type 230 V, 240 V 120 V according to the country.
Suitable headphone
HE 60
(delivery not included)
Subject to alterations.
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