Crate Amplifiers Musical Instrument Amplifier GTD15 User Manual

GTD15  
Guitar Amplifier  
Owner’s Manual  
 
GTD15 Guitar Amplifier  
The Front Panel:  
9
1
2
3
4
5
6
7
8
10  
11  
12  
power amp circuit. Use the output level  
control from the signal source to adjust the  
signal for the proper mix with your guitar.  
1. INPUT: Use this jack to connect your  
guitar to the amplifier by means of a shield-  
ed instrument cable.  
Note: Depending on your CD player or other  
signal source device, you may need to use an  
adapter (i.e., two phono jacks to 1/8" stereo  
plug), available at most electronic outlets.  
10. HEADPHONES: Use this 1/8" stereo  
jack to connect headphones to the amplifier.  
The internal speaker is disconnected when  
headphones are used.  
OVERDRIVE CHANNEL: A high gain channel  
giving you sounds from a slight edge to  
serious overdrive.  
2. GAIN: Use this control to adjust the  
amount of distortion for the Overdrive chan-  
nel.  
3. LEVEL: Use this control to adjust the  
output level of the Overdrive channel.  
Note: Depending on your headphones, you  
may need to use a stereo 1/8" plug to 1/4"  
jack headphone adapter, available at most  
electronic outlets.  
4. OVERDRIVE/CLEAN: Use this switch  
to select the Overdrive or Clean channel.  
With the switch in the out position, the  
Clean channel is selected. When the switch  
is depressed, the Overdrive channel is  
selected.  
CAUTION: To avoid possible damage to your  
hearing, do not use headphones for extend-  
ed periods of time at extremely loud levels.  
CLEAN CHANNEL: A normal gain channel  
designed to give you crystal clear sounds to  
medium distortion.  
5. VOL: Use this control to adjust the out-  
put level of the Clean channel.  
11. SPEAKER: Use this jack to connect  
the amplifier to an external speaker. The  
internal speaker is disconnected when this  
jack is used. The impedance 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!  
6. LOW: This adjusts the bass frequencies.  
Use this control to get the best sounding  
bass response for your instrument.  
7. MID: This adjusts the midrange fre-  
quencies. Use this control to get the best  
projection and midrange tones for your  
instrument.  
12. POWER: Use this switch to turn the ampli-  
ier on (top of the switch depressed) and off  
(bottom of the switch depressed). The switch  
illuminates when the amplifier is turned on.  
f
13. POWER CORD (rear panel, not  
shown): The grounded power cord should  
only be plugged into a grounded power out-  
let 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.  
8. HIGH: This adjusts the treble frequen-  
cies. Use this control to attain a bright and  
lively sound for your instrument.  
9. CD INPUT: Use this 1/8" stereo mini  
jack to connect the output from a CD play-  
er, MP3 player, laptop, etc., to the amplifier.  
The signal at this jack is summed into a  
mono signal, which is sent to the internal  
 
GTD15 Guitar Amplifier  
GTD15 TECHNICAL SPECIFICATIONS:  
Output Power Rating  
15W rms @ 5% THD, 4Ω, 120 VAC  
Gain  
Overdrive Ch  
Clean Ch  
86 dB 6 dB @ 1 kHz  
46 dB 6 dB @ 1 kHz  
26 dB 2 dB  
CD Input  
Maximum Input Signal Accepted  
Tone Controls  
2.2 volts rms @ 400 Hz  
Low  
Mid  
High  
25 dB range @ 80 Hz  
19 dB range @ 900 Hz  
23 dB range @ 5 kHz  
Signal To Noise Ratio  
Overdrive Ch  
Clean Ch  
>50 dB  
>65 dB  
Speaker Size and Rating  
Power Requirements  
8" Crate Custom Design 4 ohm  
120 VAC, 60 Hz, 30 VA  
100/115 VAC, 50/60 Hz, 30 VA  
230/240 VAC, 50/60 Hz, 30 VA  
Size (H x W x D)  
Weight  
13.00 in/33.02 cm x 14.50 in/36.83 cm x  
8.25 in/20.96 cm  
14.9 lb/6.8 kg  
The GTD15 is covered with a durable Tolex material. Wipe it clean with a lint-free cloth.  
Never spray cleaning agents onto the cabinet. Avoid abrasive cleansers that could damage the finish.  
Crate continually develops new products, as well as improves existing ones. For this reason, the specifications  
and information in this manual are subject to change without notice.  
“Crate” is a registered trademark of LOUD Technologies Inc. All other brand names mentioned are trademarks or  
registered trademarks of their respective holders, and are hereby acknowledged.  
Service Information:  
If you are having a problem with your GTD15, you can go to our website (www.crateamps.com)  
and click on Support for service information, or call 1-800-898-3211 during business hours  
(7 am to 5 pm PST, Monday-Friday). If you are outside of the U.S., contact your local distribu-  
tor for technical support and service.  
Declaration Of Conformity  
Manufacturer:  
LOUD Technologies Inc.  
16220 Wood-Red Rd. NE  
Woodinville, WA 98072, USA  
Product Name:  
Product Type:  
Complies with Standards:  
LVD:  
Crate GTD15  
Audio Amplifier  
92/31/EEC, 93/68/EEC, & 73/23/EWG  
EN60065  
EN55013, EN55020, EN55022, EN55103, EN61000-3-2,  
& EN61000-3-3  
Safety:  
EMC:  
The official Declaration of Conformity for this product is kept on file at:  
LOUD Technologies Inc., 16220 Wood-Red Road NE, Woodinville, WA 98072 • Tel: 1-866-858-5832  
©2006 LOUD Technologies Inc.  
Part No. 0021526 Rev. A 09/06  
 

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