GFX2200HT
GUITAR AMPLIFIER
with Channel Tracking &
Digital Signal Processing
OWNER’S
MANUAL
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GFX2200HT GUITAR AMPLIFIER
The Digital Signal Processor:
Crate’s Digital Signal Processing (DSP) offers 16 exciting digital effects, accessible through the DSP
Mode control. The effects are described as follows:
1
2
REV 1
REV 2
REV 3
REV 4
DLY 1
small room reverb
medium room reverb
3
large room reverb
4
concert hall reverb
LY
CHO 1
CHO 2
5
short slapback + small room reverb
medium delay + plate reverb
long delay + large room reverb
slow deep flange + reverb
flange + reverb + delay
RTRY
6
DLY 2
OCTV
N
7
DLY 3
REV
T-WAH
I-WAH
8
FLNG 1
FLNG 2
CHO 1
CHO 2
RTRY
BLR
9
LEVEL
10
11
12
13
14
15
16
slow tremolo chorus + reverb
chorus + reverb + delay
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.
simulated rotating speaker effect
adds a signal one octave lower than input
touch sensitive wah-wah effect
inverse wah-wah effect
OCTV DN
T-WAH
I-WAH
DBLR
simulated second track, slightly out-of-sync
Channel Tracking:
Your Crate GFX2200HT gives you the power of Channel Tracking! Once you select a DSP setting for
each channel, Channel Tracking recalls those DSP settings automatically – without changing the DSP controls!
For example:
• Select the Clean channel. Set the DSP Mode to “FLNG 1” (slow flange + reverb)
• Select the Overdrive channel, Gain 1. Set the DSP Mode to “CHO 1” (slow chorus + reverb) (the setting for
the Clean channel is now saved to memory)
• Select the Overdrive channel, Gain 2. Set the DSP Mode to “T-WAH” (touch wah-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 “T-WAH,” Channel
Tracking automatically recalls the last setting for the Clean channel – in this example, “FLNG 1.” Change to the
Overdrive channel, Gain 1, and “CHO 1” is recalled. Change to the Overdrive channel, Gain 2, and “T-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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GFX2200HT GUITAR AMPLIFIER
The Front Panel:
LY
CHO
1
CHO
2
RTRY
OCTV
N
REV
T-WAH
I-WAH
BLR
LEVEL
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
. POWER: Use this switch to turn the ampli-
er on (top of the switch depressed) and off
bottom of the switch depressed).
10. MID: Use this control to adjust the
midrange frequency level of Channel B.
19. GAIN ONE: Use this control to adjust the
amount of light distortion for Channel A. Gain
One produces less intense distortion than
Gain Two (#17) and is active when the Gain
switch (#18) is in the out position.
11. LOW: Use this control to adjust the low
frequency level of Channel B.
. ON LED: This LED illuminates when the
mplifier is turned on.
12. CHANNEL SELECT: Use this switch to
select either channel. With the switch in the
out position, Channel B is selected and the
adjacent LED illuminates. When the switch is
depressed, Channel A is selected.
20. INPUT: Use this 1/4” jack to connect your
guitar to the amplifier by means of a shielded
instrument cable.
. CHANNEL SELECT FOOTSWITCH: In-
ert the 1/4” stereo plug on the cable attached
o the two-button footswitch (supplied) into
his jack. This will allow you to use the
ootswitch to control channel and gain selec-
on (Channel A - see #18).
21. TUNER: The tuner is active whenever the
amplifier is turned on. The bottom row of
LEDs correspond to the strings of your guitar.
The top row of LEDs indicate which way you
need to adjust each string for proper tuning. A
string is properly tuned whenever the corre-
sponding LED on the bottom row and the LED
in the center of the top row are illuminated.
(See detail below.)
CHANNEL A: The Overdrive Channel:
13. LEVEL: Use this control to adjust the out-
put level of Channel A.
. DSP FOOTSWITCH: Insert the 1/4” mono
lug on the cable attached to the two-button
ootswitch (supplied) into this jack. This will
llow you to use the footswitch for on/off con-
rol of the selected DSP effect.
14. HIGH: Use this control to adjust the high
frequency level of Channel A.
15. MID: Use this control to adjust the
. DSP MODE: Use this control to select one
f the 16 built-in digital effects. A listing of the
ffects is shown on page 3.
midrange frequency level of Channel A.
"TUNED"
16. LOW: Use this control to adjust the low
frequency level of Channel A.
"FLAT"
"SHARP"
. DSP LEVEL: Use this control to adjust the
mount of the digital effect. In its fully counter
lockwise position the signal will be “dry”
without any effect). As you rotate the control
lockwise the amount of effect increases.
17. GAIN TWO: Use this control to adjust the
amount of heavy distortion for Channel A.
Gain Two produces more intense distortion
than Gain One (#19) and is active when the
Gain switch (#18) is depressed.
STRING INDICATORS
CHANNEL B: The Clean Channel:
18. GAIN SELECT: Use this switch to select
one of the two gain controls for Channel A
(#17, #19). When the switch is depressed,
gain two is selected and gain one is disabled.
Both of the adjacent LEDs will illuminate. With
the switch in the out position, gain one is
selected. The right-side LED will illuminate.
When a footswitch (#3) is used, this switch is
disabled. The LEDs continue to function in the
manner described.
.
BRIGHT: This switch, when depressed,
oosts the upper frequencies of Channel B.
. LEVEL: Use this control to adjust the out-
ut level of Channel B.
. HIGH: Use this control to adjust the high
requency level of Channel B.
4
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GFX2200HT GUITAR AMPLIFIER
The Rear Panel:
EFFECTS LOOP
SPEAKERS
LINE
OUT
LINE
IN
160 WATTS @ 4 OHMS
220 WATTS @ 2 OHMS
2 OHM MIN. LOAD
22
23
24
25
22. EFFECTS LOOP LINE OUT: When 24. SPEAKERS: Use these jacks to con- 25. POWER CORD: This grounded power
using an external effects processor, con- nect the amplifier to your speaker cabi- cord is to be plugged into a grounded
nect this jack to the input of the effect by net(s) using speaker cables with mono 1/4” power outlet, wired to current electrical
means of a shielded signal cable. This jack plugs. These jacks are wired in parallel. codes and compatible with the voltage,
also doubles as a source for a post-EQ, Make sure that the combined impedance of power, and frequency requirements stated
preamp signal to send your signal to a mix- your speakers is equal to or greater than 2 on the rear panel. Don not attempt to
ing board, recorder, powered monitor or ohms! Use the chart below to help deter- defeat the safety ground connection.
external amplifier.
mine parallel loads. If in doubt, ask your
dealer.
23. EFFECTS LOOP LINE IN: When
using an external effects processor, con-
nect this jack to the output of the effect by
means of a shielded signal cable. This jack
also doubles as a direct connection to the
power amp, bypassing the input and pre-
amp stages. This is useful for “slaving” a
pair of amplifiers together.
CAB IMP # CABS TOTAL IMP
4 ohms
8 ohms
8 ohms
16 ohms
16 ohms
16 ohms
2
2
4
2
4
8
2 ohms
4 ohms
2 ohms
8 ohms
4 ohms
2 ohms
5
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GFX2200HT GUITAR AMPLIFIER
Some Suggested Settings
"Clean as Glass"
"Dirty Blues"
"Grunge Tone"
"Classic Hard Rock"
"Heavy Metal"
"Moshin'"
LY
CHO
1
CHO 2
RTRY
OCTV
N
REV
T-WAH
I-WAH
BLR
BLR
BLR
BLR
BLR
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
OUT
OUT
"Jazzy Clean"
LY
CHO
1
CHO 2
RTRY
OCTV
N
T-WAH
I-WAH
REV
AS
IN
NEEDED
LY
CHO
1
CHO 2
RTRY
OCTV
N
T-WAH
I-WAH
REV
OUT
LY
CHO
1
CHO 2
RTRY
OCTV
N
T-WAH
I-WAH
REV
IN
LY
CHO
1
CHO 2
RTRY
OCTV
N
T-WAH
I-WAH
REV
IN
6
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GFX2200HT GUITAR AMPLIFIER
System Block Diagram
GAIN
ONE
CHANNEL A
CHANNEL
SELECT
FOOT
GAIN
SELECT
TUNER
SWITCH
EQ
A BC D EF G
GAIN
TWO
CHANNEL
SELECT
INPUT
LOW
HIGH
MID
INPUT
BUFFER
LEVEL
EQ
DSP
FOOT
SWITCH
LOW
HIGH
BRIGHT
CHANNEL B
MID
EFFECTS
SEND
EFFECTS
RETURN
POWER
AMP
SPEAKER
OUTPUT
MIX
AMP
SPEAKER
OUTPUT
DSP
LEVEL
MODE
Declaration Of Conformity
#30, Effective 01-01-2001
Manufacturer’s Name:
Production Facility:
Production Facility:
Shipping Facility:
Office 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
Product Type:
Audio Amplifier
Complies with Standards:
LVD:
Safety:
EMC:
92/31/EEC, 93/68/EEC, & 73/23/EWG
EN60065
EN55013, EN55020, EN55022, EN61000-3-2,
& EN61000-3-3
Supplementary information provided by your local Sales & Services Office or:
SLM Electronics - R & D Engineering
1901 Congressional Drive, St Louis, MO 63146, USA
Tel.: 314-569-0141, Fax: 314-569-0175
7
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GFX2200HT GUITAR AMPLIFIER
Technical Specifications:
Output Power Rating
160 watts RMS, 5% THD, 4 ohm load
220 watts RMS, 5% THD, 2 ohm load
Maximum Input Signal Level Accepted
Input Impedance
8 volts peak to peak
470 k ohms
Total System Gain
Channel B: 54 dB @ 1 kHz, all controls at “10”, Bright off
Channel A: Gain One: 69 dB @ 1 kHz, all controls at “10”
Gain Two: 86 dB @ 1 kHz, all controls at “10”
Channel B
Low
Mid
25 dB range @ 70 Hz
14 dB range @ 800 Hz
29 dB range @ 10 kHz
7 dB boost @ 10 kHz
18 dB range @ 100 Hz
10 dB range @ 1 kHz
17 dB range @ 6 kHz
High
Bright
Low
Channel A
Mid
High
Input Power Requirements
Cabinet Size and Weight
120VAC, 60HZ, 230VA
100/115VAC, 50/60Hz, 230VA
230VAC, 50/60Hz, 230VA
11.63” H x 30.75” W x 11.63” D; 35 lbs.
The GFX2200HT is covered with a durable black Tolex material; wipe clean with a damp lint-free cloth to remove dirt and road film.
Never spray cleaning agents directly onto the cabinet, and stay away from abrasive cleaners which could damage the finish.
CRATE continually develops new products, as well as improves existing ones. For this reason,
specifications and information in this manual are subject to change without notice.
©2002 SLM ELECTRONICS
A DIVISION OF ST. LOUIS MUSIC
1400 FERGUSON AVENUE, ST. LOUIS, MO 63133
47-590-04 • 01-02
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