Guided Tour - HA4000 Rear Panel
1. Fuse holder - Holds a 8A/250V fuse for 115 volt operation or a 4A/250V fuse for
230 volt operation
2. AC input - Connect the supplied standard 3-pin “IEC” plug here.
3. Mute Footswitch - Connect a standard single-pole latched (maintained contact)
footswitch to this 1/4" unbalanced jack here. To activate the footswitch, press in the front-
panel Audio Mute switch (see #1 on page 5) so that it is in the “in” (down) position, then
step on the footswitch. When you next step on the footswitch, all of the HA4000 outputs
except the rear-panel Tuner Out (see #8 on page 8) are temporarily silenced, muting audio
signal and allowing you to easily tune your bass between songs. To restore audio signal to
all outputs (including the Tuner Out, which is always active), simply step on the footswitch
again. To disable the footswitch, press the front-panel Audio Mute switch so that it is in the
“out” (up) position
4. Send Pre - Use this 1/4" unbalanced jack to send signal to a professional outboard
effects processor.* Output level is approximately 0 dB to +4 dB and is pre-EQ and
pre-Shape but post-Volume control.
5. Return Pre- Use this 1/4" unbalanced jack to return signal from a professional outboard
effects processor.* Signal is returned before the EQ and Shape controls but after the
Volume control.
6. Send Post - Use this 1/4" unbalanced jack to send signal to a professional outboard
effects processor.* Output level is approximately 0 dB to +4 dB and is post-EQ,
post-Shape, and post-Volume control.
7. Return Post- Use this 1/4" unbalanced jack to return signal from a professional
outboard effects processor.* Signal is returned after the EQ, Shape and Volume controls.
* In-line effects (such as footpedals) intended for low signal levels should be placed
between your bass and the front panel HA4000 Input and not connected with the rear
panel Send/Return jacks.
9
<100Ω –20dBu
BALANCED
PRE AMP OUT
<100Ω –20dBu
BALANCED
DIRECT OUT
~AC INPUT
115/230V, 50/60Hz
FUSE
8A/250V(115V)
4A/250V(230V)
TO PREVENT SHOCK,DO NOT OPEN. NO USER SERVICE-
ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL. TO PREVENT FIRE OR SHOCK
HAZARD. DO NOT EXPOSE TO RAIN OR MOISTURE.
CAUTION; REPLACE WITH THE
SAME TYPE FUSE AS INDICATED.
UTILISER UN FUSIBLE DE RECHANGE
DE MEME TYPE.
CAUTION
S / N
FRAME FLOAT
GROUND
Distributed Exclusively by
Samson Technologies Corp.
MODEL HA4000 (400 WATTS)
8Ω = 290 WATTS
4Ω = 400 WATTS
POWER
RATING
115V/230V 50HZ/60Hz 740W
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS;
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
SPEAKER OUTPUT
400WATT RMS/4ohms
CHASSIS GROUND
LIFT REMOVES
CHASSIS GROUND
FROM XLR PIN1
MADE IN KOREA
SEND PRE
<50Ω 0dBu
MUTE FOOT
SWITCH
RETURN PRE
10KΩ 0dBu
SEND POST
<50Ω 0dBu
RETURN POST
10KΩ 0dBu
LINE OUT
<50Ω +4dBu
S BASS OUT
<50Ω +4dBu
TUNER OUT
<50Ω 20dBu
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