Sennheiser HE 1 Instruction manual HE 1 - Page 44

Replacing the headband padding, Replacing the amplifier tubes, middle and moving outwards

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Page 44 highlights

Servicing the HE 1 | Replacing the headband padding Replacing the headband padding For reasons of hygiene, you should replace the headband padding from time to time. 1. Hold the headband firmly in the middle and detach the headband padding from one side to the other. 2. Place the new headband padding onto the headband and, starting from the middle and moving outwards, attach it to the headband by pushing on the latches until they click into place. 1 2 Replacing the amplifier tubes The amplifier tubes are consumable elements. The lifetime of the tubes depends on the type and the duration of use. The amplifier's status LED lights up orange when tube replacement is required. Always replace all 8 tubes with new ones. Instructions on tube replacement are enclosed with the tube replacement set or can be downloaded from the Internet at www.sennheiser.com/download. You can use the amplifier even if a tube replacement is required, but be aware that the sound quality can be reduced. 42

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42
Servicing the HE 1
|
Replacing the headband padding
Replacing the headband padding
For reasons of hygiene, you should replace the headband padding from time to
time.
1.
Hold the headband firmly in the middle and detach the headband padding
from one side to the other.
2. Place the new headband padding onto the headband and, starting from the
middle and moving outwards, attach it to the headband by pushing on the
latches until they click into place.
2
1
Replacing the amplifier tubes
The amplifier tubes are consumable elements. The lifetime of the tubes
depends on the type and the duration of use. The amplifier’s status LED
lights up orange when tube replacement is required. Always replace all
8 tubes with new ones. Instructions on tube replacement are enclosed
with the tube replacement set or can be downloaded from the Internet at
www.sennheiser.com/download.
You can use the amplifier even if a tube replacement is required, but be
aware that the sound quality can be reduced.