Crate Amplifiers Stereo Amplifier KXB25 User Manual

KXB25 Keyboard  
Amplifier  
User’s Guide  
 
KXB25 Keyboard Amplifier  
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1. INPUT 1: Use this jack to connect a high  
or low impedance microphone to the  
amplifier by means of a shielded instru-  
ment cable. The signal level at this jack is  
controlled by the Level 1 knob (#2).  
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.  
2. LEVEL 1: Use this control to adjust the  
level of the signal connected to the Input 1  
jack (#1).  
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.  
3. INPUT 2: Use this 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).  
4. LEVEL 2: Use this control to adjust the  
level of the signal connected to the Input 2  
jack (#3).  
10.  
(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.  
5. LOW: Use this control to adjust the bass  
response of the amplifier. Rotating the con-  
trol counterclockwise reduces the low fre-  
quency output. Rotating the control clock-  
wise increases the low frequency output. It  
may be necessary to reduce the Low fre-  
quency output at higher volume levels.  
CAUTION: To avoid possible damage to  
your hearing, do not use headphones for  
extended periods of time at extremely  
loud levels.  
11. ON: This LED illuminates when the  
amplifier is turned on.  
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.  
12. POWER: Use this switch to turn the  
amplifier on (top of the switch depressed)  
and off (bottom of the switch depressed).  
13. 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.  
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.  
 
KXB25 Keyboard Amplifier  
KXB25 TECHNICAL SPECIFICATIONS:  
Output Power Rating  
Input Impedance  
Gain  
25W RMS @ 2% THD, 4 ohms  
20k ohm  
Input 1 Hi-Z 44dB, Lo-Z 59dB  
Input 2 44dB  
Equalization  
Low 31dB range @ 50Hz  
Lo Mid 13dB range @ 150Hz  
Hi Mid 15dB range @ 1kHz  
High 30dB range @ 10kHz  
Speakers  
Woofer Crate Custom 10”, 4 ohm, 30 watt, 1.5” voice coil  
Tweeter 2” Piezo  
Input Power Requirements  
120 VAC, 60Hz, 45VA  
100/110 VAC, 50/60Hz, 45VA  
230 VAC, 50/60Hz, 45VA  
Cabinet Size and Weight  
15-3/4” H x 16” W x 15-1/4” D, 27 lbs.  
Declaration of Conformity  
Manufacturers 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  
FCC standards 47CFR 15.107 and 15.109 Class A  
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 47-377-01 122904  
 

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