Wheatfield Audio Wheatfield Audio HA-4 Users Manual
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HA-4 Headphone Amplifier - Rear Panel
VOLTAGE SELECT
200-250V = 230V
90-135V = 115V
AC INPUT
POWER
MADE IN USA
www.headphoneamp.com
WHEATFIELD AUDIO LLC
MODEL HA-4 HEADPHONE AMPLIFIER
10 W
50-60
200-250V
90-135V
OFF
ON
COVERS - NO USER-SERVICEABLE PARTS INSIDE.
TO PREVENT ELECTRIC SHOCK, DO NOT OPEN
REPLACE FUSE WITH SAME TYPE AND RATING.
CORRECTLY BEFORE CONNECTING POWER.
ENSURE VOLTAGE SELECT SWITCH IS SET
IEC 127-2/III
115V
O
I
CAUTION:
!
R
0.2 A 250 V S
L
FUSE
IN
OUT