Sennheiser HE 1 - Product Components; Headphones and Amplifier Parts

Headphones
1 Headband, adjustable in increments
2 Aluminum heat sink for
high-voltage amplier
3 Electrostatic transducers
4 Ear pads
5 Structure-borne noise reducing cable
connections
6 Highly exible OFC headphone
cable, PTFE insulated, insensitive to
structure-borne noise
Remote control
7 Infra-red transmitter
8 On/off button
9 Control buttons for glass cover
• BOX 1 O/C storage box 1
• BOX 2 O/C storage box 2
0 OUTPUT selection buttons
• PHONES
• LINE
A CROSS FEED selection buttons
• OFF
• LOW
• HIGH
B INPUT selection buttons
• OPTICAL
• USB
• COAXIAL
• UNBALANCED
• BALANCED
C Mute button
D Volume buttons –/+
E Battery compartment for
CR2032 battery, 3 V
(located at the bottom side)
Amplifier (front panel)
F Headphone storage box
G Glass cover
H Headphone plug
I Headphone socket 1 (HEADPHONE 1)
J Headphone compartment with
velvety-soft ocking
K Amplier tubes, housed in protective
cylinders
L On/off button and volume control
M Status LED
N OUTPUT selection rotary switch
O CROSS FEED selection rotary switch
P INPUT selection rotary switch
Q Infra-red remote control sensor
R Vibration absorbing feet
Amplifier (rear panel)
S RCA input sockets, unbalanced
(UNBAL) red R, black L
T XLR-3 input sockets, balanced
(BAL / R / L)
U RCA output sockets, unbalanced
(UNBAL) red R, black L
V XLR-3 output sockets, balanced
(BAL / R / L)
W S/PDIF input, coaxial (COAX)
X S/PDIF input, optical (OPT)
Y USB input (Type B) (USB)
Z Headphone socket 2 (HEADPHONE 2)
[ IEC mains socket
(~100-240 VAC 50/60 Hz 40 W)
\ Power switch (ON/OFF)
] Cover for product information
and approvals
INPUT
CROSS FEED
OUTPUT
USB COAXIALOPTICAL
BALANCEDUNBALANCED
LOW HIGHOFF
LINEPHONES
BOX CONTROL
BOX 2 O/CBOX 1 O/C
0123
INPUT
CROSS FEED
OUTPUT
USB COAXIALOPTICAL
BALANCEDUNBALANCED
LOW HIGHOFF
LINEPHONES
BOX CONTROL
BOX 2 O/CBOX 1 O/C
G
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