REAR PANEL
Switches
Balanced/
Unbalanced Input
Switch
Home Version
Input Switch
(Right Channel)
Output Switch
(Right Channel)
Ground Switch
Input
Connections
Level Adjust
Speaker Fuses
NOTE:
Normal stereo position for all rear panel switches is
IN. The only time any of the switches should be OUT is for
one of the special functions in this section.
Be sure to turn the amplifier OFF before changing rear panel
switch positions (to avoid possible pops and clicks).
The Balanced/Unbalanced Input Switch is disabled in the
JF2000. This function is used only with special professional
connectors (XLR and 1/4 inch phone plugs) available with
the
PRO6000 professional back panel.
IN position: Stereo. Right input feeds Right channel.
OUT position: Mono. Left input feeds Right channel.
IN position: Stereo (normal). Right channnel is in phase with
Left.
OUT position: Mono. Right channel is reversed in phase
compared to Left.
IN position: Floating (normal). Chassis ground separate
from Output section ground.
OUT position: Chassis. Chassis ground connected to output
section ground.
This switch should be set for minimum system hum.
Input is via standard “RCA” style pin jacks.
Input sensitivity is adjustable with the level controls adjacent
to each input RCA jack. The overall gain ranges form zero
(fully counter-clockwise) to 36 dB (fully clockwise).
The JF2000 is equipped with AGC5-Ampere speaker pro-
tection fuses. These fuses are for speaker protection only.
Most speakers will not handle more than a 5-Ampere fuse (or
less). Refer to your speaker manufacturer’s recommenda-
tions for your fuse selection.
