XK15 Keyboard Amplifier
User’s Guide
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XK15 Keyboard Amplifier
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1. INPUT 1: Use this 1/4” jack to connect
your keyboard or other line level signal to
the amplifier by means of a shielded instru-
ment cable. The signal level at this jack is
controlled by the Level 1 knob (#3).
2. INPUT 2: Use this 1/4” jack to connect
your keyboard or other line level signal to
the amplifier by means of a shielded instru-
ment cable. The signal level at this jack is
controlled by the Level 2 knob (#4).
3. LEVEL 1: Use this control to adjust the
level of the signal connected to the Input 1
jack (#1).
4. LEVEL 2: Use this control to adjust the
level of the signal connected to the Input 2
jack (#2).
9. CD INPUT: Use these RCA jacks to con-
nect the output from a CD player or tape
deck to the amplifier. The signal at these
jacks is combined into a mono signal which
is sent to the internal power amp circuit.
Use the CD or tape player’s output level
control to adjust the signal for the proper
mix with your instrument.
10. (EXTERNAL SPEAKER): Use this
jack to connect the amplifier to an external
speaker. The internal speaker is discon-
nected when this jack is used. The imped-
ance of the external speaker must be 4
ohms or greater.
WARNING: Do not attempt to use head-
phones in the Speaker jack! Permanent
hearing damage could result!
5. LOW: Use this control to adjust the bass
response of the amplifier. Rotating the
control counterclockwise reduces the low
frequency output. Rotating the control
clockwise increases the low frequency out-
put. It may be necessary to reduce the Low
frequency output at higher volume levels.
6. LO MID: Use this control to adjust the
“thickness” or “fatness” of the amplifier.
Rotating the control counterclockwise
reduces the lower midrange frequency out-
put. Rotating the control clockwise increas-
es the lower midrange frequency output.
7. HI MID: Use this control to adjust the
clarity and definition of the amplifier.
Rotating the control counterclockwise
reduces the upper midrange frequency out-
put. Rotating the control clockwise increas-
es the upper midrange frequency output.
8. HIGH: Use this control to adjust the high
frequency response of the amplifier.
Rotating the control counterclockwise
reduces the high frequency output.
Rotating the control clockwise increases
the high frequency output.
11.
(HEADPHONES): Use this jack to
connect headphones to the amplifier. The
internal speaker is disconnected when this
jack is used. A line level signal can also be
obtained from this jack for recording, etc.
CAUTION: To avoid possible damage to
your hearing, do not use headphones for
extended periods of time at extremely
loud levels.
12. ON: This LED illuminates when the
amplifier is turned on.
13. POWER: Use this switch to turn the
amplifier on (top of the switch depressed)
and off (bottom of the switch depressed).
14. POWER CORD (rear panel, not
shown): The grounded power cord should
only be plugged into a grounded power
outlet that meets all applicable electrical
codes and is compatible with the voltage,
power, and frequency requirements stated
on the rear panel. Do not attempt to
defeat the safety ground connection.
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XK15 Keyboard Amplifier
XK15 TECHNICAL SPECIFICATIONS:
Maximum Input Signal Level Accepted 15 volts peak to peak
Input Impedance
Signal To Noise Ratio
Output Power Rating
Low Control
35k ohms
72dB
12+ watts RMS @ 5% THD, 4 ohm load – 120 VAC line
15dB Range @ 50Hz
Low Mid Control
12dB Range @ 250Hz
13dB Range @ 1kHz
High Mid Control
High Control
27dB Range @ 10kHz
Input Power Requirements
120 VAC, 60Hz, 30VA
100/110 VAC, 50/60Hz, 30VA
230 VAC, 50/60Hz, 30VA
Speaker Size and Rating
Cabinet Size and Weight
Crate Custom Design 8”, 15 watts
14” H x 15” W x 12-1/2” D, 19 lbs.
Declaration of Conformity
Manufacturer’s Name: SLM Electronics
Corporate Headquarters: 1901 Congressional Drive, St. Louis, Missouri 63146
Primary Production Facility: 700 Hwy 202 W, Yellville, Arkansas, 72687
Product Type: Audio Amplifier
Products meet the regulations for compliance marking under:
ETL standards UL6500, UL60065, or UL813
CSA standards E60065 or C22.2 No.1-M90
CE safety standard EN60065
CE EMC standards EN55103 or EN55013 and EN61000
C-tick designation Level 2, ABN #56748810738, ARBN# N222
KETI standard K60065 (limited model approval)
Compliance Support Contact: SLM Electronics, Attn: R&D Compliance Engineer
1901 Congressional Drive, St Louis, Missouri, 63146 • Tel.: 314-569-0141, Fax: 314-569-0175
©2004 SLM ELECTRONICS, A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON, ST. LOUIS, MO. U.S.A. 63133
P/N 47-716-02 •102204
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