GLX65
GLX120
GLX212
Three-channel Guitar Amplifiers
with DSP & Channel Tracking
User’s Guide
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
The Digital Signal Processor:
Crate’s Digital Signal Processing offers 16 exciting digital effects, accessible through the DSP
Mode control. The effects are described below.
1
small room reverb
medium room reverb
large room reverb
concert hall reverb
short slapback w/small room reverb
medium delay w/plate reverb
long delay w/large room reverb
slow deep flange w/reverb
flange w/reverb & delay
slow tremolo chorus w/reverb
chorus w/reverb & delay
rotating speaker
2
3
4
5
6
7
8
9
10
11
12
13
octave divider
Use the DSP Mode control to access
any of the 16 built-in digital effects.
Use the Level control to mix in the
desired amount of each effect.
14 touch wah
15
16
inverse wah
doubler
Channel Tracking:
Your Crate GLX amplifier gives you the power of Channel Tracking! Once you select a DSP set-
ting for each channel, Channel Tracking recalls those DSP settings automatically – without chang-
ing the DSP controls! For example:
• Select the Clean channel. Set the DSP Mode to “8” (slow deep flange w/reverb)
• Select the Overdrive channel, Gain 1. Set the DSP Mode to “10” (slow tremolo chorus w/reverb)
(the setting for the Clean channel is now saved to memory)
• Select the Overdrive channel, Gain 2. Set the DSP Mode to “14” (touch wah)
(the setting for the Overdrive channel, Gain 1 is now saved to memory)
• Reselect the Clean channel (the setting for the Overdrive channel, Gain 2 is now saved to memory)
Now when you go back to the Clean channel, even though the DSP Mode was last set to Touch
Wah, Channel Tracking automatically recalls the last setting for the Clean channel – in this exam-
ple, Slow Deep Flange with Reverb. Change to the Overdrive channel, Gain 1, and Slow Tremolo
Chorus with Reverb is recalled. Change to the Overdrive channel, Gain 2, and Touch Wah is
recalled. That’s the power of Channel Tracking!
(Note: Even when the power is turned off, Channel Tracking still retains the settings – until you change them!)
3
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
The Front Panel:
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
17 18
19 20
1: MUTE: This switch, when depressed, silences the input signal. The Tuner (#21) remains active when this
switch is depressed.
2. INPUT: Use this 1/4” jack to connect your guitar to the amplifier by means of a shielded instrument cable.
SOLO CHANNEL: A high gain channel giving you sounds with serious overdrive.
3: GAIN: Use this control to adjust the amount of distortion for the Solo channel.
4: SHAPE: Use this control to “dial in” the tone for the Solo channel. Rotating the control counterclockwise
enhances the mid frequencies, while rotating the control clockwise enhances the low and high frequencies.
5: LEVEL: Use this control to adjust the output level of the Solo channel.
6: SOLO/RHYTHM SELECT: Use this switch to select the Solo or Rhythm channel. When this switch is
depressed, the Solo channel is selected. With the switch in the out position, the Rhythm channel is selected.
This switch is active only when the Solo-Rhythm/Clean Select switch (#12) is depressed.
7: GAIN: Use this control to adjust the amount of distortion for the Rhythm channel.
8: LOW: Use this control to adjust the low frequency level of the Rhythm channel.
9: MID: Use this control to adjust the midrange frequency level of the Rhythm channel.
10: HIGH: Use this control to adjust the high frequency level of the Rhythm channel.
11: LEVEL: Use this control to adjust the output level of the Rhythm channel.
12: SOLO-RHYTHM/CLEAN SELECT: Use this switch to select the Clean channel or the Solo and Rhythm
channels. With the switch in the out position, the Clean channel is selected. When the switch is depressed,
either the Solo or Rhythm channel is selected, depending on the setting of the Solo/Rhythm Select switch (#6).
CLEAN CHANNEL: A normal gain channel designed to give you crystal clean sounds.
13: VOL: Use this control to adjust the output level of the Clean channel.
14: LOW: Use this control to adjust the low frequency level of the Clean channel.
15: MID: Use this control to adjust the midrange frequency level of the Clean channel.
16: HIGH: Use this control to adjust the high frequency level of the Clean channel.
17: DSP LEVEL: Use this control to adjust the amount of digital effect: in its fully counterclockwise position the
signal will be “dry” (without any effect). As you rotate the control clockwise the amount of effect increases.
18: DSP MODE: Use this control to select one of the 16 built-in digital effects. A listing of the effects is shown
on page 3 of this manual.
19: LIGHTS: Use this switch to turn the front panel illumination on (top of the switch depressed) and offf (bot-
tom of the switch depressed).
20: POWER: Use this switch to turn the amplifier on (top of the switch depressed) and off (bottom of the switch
depressed).
4
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
The Electronic Tuner:
21
21. ELECTRONIC TUNER (top panel): The electronic tuner is active whenever the amplifier is turned on, pro-
viding constant, “real-time” tuning. The bottom row of LEDs indicate which note (string) is being tuned. The top
row of LEDs provides directional queues to facilitate quick and precise tuning of your instrument. The indicated
note (string) is properly tuned when only the center LED is illuminated.
The Rear Panel:
22
23
24
25
26
27
28
22: FUSE: The fuse protects the amplifier from damages caused by a faulty AC power source and/or
other problems. If the fuse opens, replace it ONLY with the same size and type. If fuses continue to
fail, check the AC source – if the source is okay, contact your Crate dealer for service information.
23: AC LINE CORD: This grounded power cord is to be plugged into a grounded power outlet, wired
to current electrical codes and compatible with the voltage, power, and frequency requirements stat-
ed on the rear panel. Do not attempt to defeat the safety ground connection.
24: CLEAN/SOLO/RHYTHM FOOTSWITCH JACK: Use this jack to connect the 1/4” stereo plug on
the footswitch cable to the three-button footswitch (supplied). This allows you to remotely switch
between the Clean and Distortion channels and between the Solo and the Rhythm channels.
25: DSP FOOTSWITCH JACK: Use this jack to connect the 1/4” mono plug on the footswitch cable
to the three-button footswitch (supplied). This allows you to remotely turn the DSP function on and off.
26. EXTENSION SPEAKER: Use this jack to connect the amplifier to an external speaker cabinet.
This jack is wired in series with the internal speaker(s) which remain active when an extension
speaker is connected.
27. EFFECTS RETURN: Use this jack to connect the signal from an external effects device to the amplifier.
28. EFFECTS SEND: Use this jack to connect the signal from the amplifier to an external effects
device for processing.
5
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
Suggested Settings:
Sweet 'n Clean:
Just a 'Lil Nasty:
Politely Gritty:
OUT
IN
OUT
IN
Octave Down 'n Dirty:
OUT
IN
Wah Full House:
OUT
IN
Mean & Obscene:
IN
IN
6
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
System Block Diagram:
TUNER
A BC D EF G
BUFFER
SOLO-RHYTHM/
CLEAN SELECT
INPUT
CLEAN CHNL
MUTE
VOL LOW MID HIGH
RHYTHM CHNL
GAIN
LOW MID HIGH LEVEL
SOLO CHNL
SOLO/
RHYTHM
SELECT
GAIN
SHAPE LEVEL
MIX
AMP
EFFECTS
SEND
EFFECTS
RETURN
POWER
AMP
DSP
SPEAKER
LEVEL
DAMPING
CIRCUIT
EXT.
SPEAKER
MODE
7
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GLX65/120/212 Guitar Amplifier with DSP & ChannelTracking
GLX65/120/212 TECHNICAL SPECIFICATIONS:
Output Power Rating
GLX65
GLX120/212
65W RMS @ 5% THD, 8Ω, 120 VAC
120W RMS @5% THD, 4Ω, 120 VAC
Speaker Size and Rating
GLX65/120
GLX212
(1) Custom Design 12”, 8Ω
(2) Custom Design 12”, 8Ω
Input Impedance
Total System Gain
470kΩ
Solo Ch
Rhythm Ch
Clean Ch
110dB, all controls @10
88dB, all controls @10
58dB, all controls @10
Maximum Input Signal Accepted
7 volts peak-to-peak
Proprietary Circuit
Solo Channel
Shape Control
Rhythm Channel
Low Control
Mid Control
High Control
20dB range @ 80Hz
15dB range @ 1kHz
20dB range @ 10kHz
Clean Channel
Low Control
Mid Control
High Control
36dB range @ 80Hz
15dB range @ 800Hz
40dB range @ 10kHz
Power Requirements
GLX65
120 VAC, 60Hz, 90VA; 100/115VAC, 50/60Hz, 90VA;
100/115VAC, 50/60Hz, 90VA
GLX120/212
120 VAC, 60Hz, 95VA; 100/115VAC, 50/60Hz, 95VA;
100/115VAC, 50/60Hz, 95VA
Size and Weight
GLX65/120
GLX212
18” H x 20-1/2” W x 12-1/2” D, 34 lbs.
20-1/2” H x 26-1/2” W x 13” D. 50 lbs.
Your GLX65, 120, or 212 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 which would 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.
Declaration Of Conformity
#34, Effective 01-01-2001
Manufacturer’s Name:
Production Facility:
SLM Electronics
11880 Borman Drive, St. Louis, MO 63146, USA
700 Hwy 202 W, Yellville, AR 72687, USA
1400 Ferguson Ave., St. Louis, MO 63133, USA
1400 Ferguson Ave., St. Louis, MO 63133, USA
Production Facility:
Shipping Facility:
Office Facility:
Product Type:
Audio Amplifier
Complies with the following Standards:
Safety:
EMC:
EN60065, E60065, C22.2, UL6500 and/or UL813
Directive 89/336/EEC, EN55103, EN55013, EN61000,
and/or FCC 47CFR 15B clA
Supplementary information provided by:
SLM Electronics - R & D Engineering
1901 Congressional Drive, St Louis, MO 63146, USA
Tel.: 314-569-0141, Fax: 314-569-0175
@2002 SLM Electronics, a division of St. Louis Music, Inc • 1400 Ferguson Avenue • St. Louis, MO 63133
47-274-01 • 030603
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