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The Rear Panel
SVT-350H
AC LINE IN
SPEAKERS
200W @ 8 OHMS
350W @ 4 OHMS
4 OHMS MINIMUM
BAL.
OUT
MODEL
SERIAL #
SVT-350H
0dB
-20dB
PRE
POST
EFFECTS
LOOP
RETURN SEND
PREAMP
OUT
POWER
AMP IN
14 15 16 17 18 19 20 21 22 23 24
115VAC, 60Hz T10A SLO BLO
100/115VAC, 50Hz: T8A SLO BLO
230VAC, 50Hz: T4A SLO BLO
14. FAN: The temperature controlled, vari-
able speed fan forces cool air into the
amplifier, forcing heat out through the
exhaust vents (also on the rear panel,
between the speaker jacks and the power
amp in jack). Never block the vent holes or
the fan openings.
NOTE: It is not uncommon for the fan to
remain off when the amplifier is first pow-
ered up.
15. FUSE: This protects the unit from dam-
age due to overload conditions or power
line surges. If the fuse blows, replace it
only with the same size and type.
16. AC LINE IN: Firmly insert the supplied
AC power cord into this socket until it is
fully seated. Plug the male end of the cord
into a grounded AC outlet. DO NOT
DEFEAT THE GROUND PRONG OF THE
AC PLUG!
17. SPEAKER OUTPUTS: Use these
jacks to connect the amplifier to your
speaker(s) using cables terminated with
1/4” connectors. Always use high-quality
speaker cables for these connections.
NOTE: When connecting multiple
speaker cabinets to the amplifier, keep
the overall impedance at or above four
ohms! The following chart shows the total
impedance load when connecting speaker
cabinets in parallel:
18. POWER AMP IN: This mono jack
allows you to feed the preamp output of
another amplifier to the input of the SVT-
350H’s internal power amp. This bypasses
the preamp circuitry of the SVT350H.
19. PREAMP OUT: A post-EQ signal may
be taken from this jack and sent to the
house mixing board, recording console or
external power amplifier.
20. EFFECTS RETURN: To use an exter-
nal effects device, connect the OUTPUT of
the device to the Return jack using a shield-
ed cable. This feeds the processed signal
into the Master section of the SVT-350H.
21. EFFECTS SEND: Connect the output
from the Send jack to the INPUT of your
effects using shielded cable. This sends a
post-EQ signal to your effects.
22. -20dB SWITCH : This control adjusts
the output level at the Balanced Line
Output jack (#24). The control works inde-
pendently from the front panel Master con-
trol. Depressing the switch activates the
20dB pad. The result is a signal that is
more compatible with the microphone
inputs on a mixer.
23. PRE/POST SWITCH: You can select
either Pre or Post EQ for the signal at the
Balanced Out jack (#24) with this switch.
With the switch in the OUT position, the
signal at the jacks will be Pre-EQ. This is a
direct output not affected by any EQ or
boost settings. With the switch depressed,
the signal is Post-EQ and is controlled and
modified by the tone controls, Graphic EQ,
and Effects Loop.
24. BALANCED OUTPUT: This XLR-type
connector supplies a balanced preamp out-
put signal for connecting to a house mixing
board, recording console or external ampli-
fiers with balanced inputs. The signal can
be set to Pre or Post EQ by the back panel
Pre/Post switch (#23). The level can be
adjusted for either mic or line type inputs
using the -20dB switch (#22).
Cabinet # of Total
Impedance Cabs Impedance
8Ω 24Ω
16Ω 28Ω
16Ω 44Ω
SPEAKERS
200W @ 8 OHMS
350W @ 4 OHMS
4 OHMS MINIMUM
IMPORTANT NOTE ABOUT CERTAIN EXPORT
UNITS: In some areas 1/4” speaker jacks are not
acceptable for use on amplifiers capable of high out-
put power levels. For this reason the Speaker jacks
on your amplifier may resemble the illustration to the
right. Connect the amplifier to your speaker(s) using
cables rated for very high output power, terminated
with the appropriate connectors.