Samson Stereo Amplifier G15 User Guide

GUITAR COMBO AMPLIFIERS  
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Table of Contents  
Introduction  
2
3
Hartke G15, G15R and G30R Features  
Guided Tour - Front Panel  
4
Guided Tour - Rear Panel  
5
Setting Up and Using Your Hartke G series Guitar Amplifier  
Using the Footswitch Jack  
G Series Sample Settings  
6-7  
8
9-11  
12  
13  
Setting Templates  
Specifications  
Copyright 2005, Samson Technologies Corp.  
Printed February 2006 v1.1  
Samson Technologies Corp.  
Phone: 1-800-3-SAMSON (1-800-372-6766)  
Fax: 516-364-3888  
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Introduction  
We know you don’t like reading owners manuals, but you’ve just purchased one of the  
finest guitar amplifiers around, and we want to tell you about it! So, before you plug in  
and start strumming and shredding, we’d like to suggest you take just a few moments to  
scan these pages. We’ll make it as painless as possible, we promise—and, who knows, you  
might just pick up a tip or two.  
The Hartke G15, G15R and G30R amplifiers have been designed for modern guitar play-  
ers looking for a new sound that respects the tone of a classic amp. And don't let their  
size confuse you (Nigel), these combos are powerful amplifiers, with an amazingly wide  
variety of tone, allowing guitar players to rediscover the sound from a favorite old vintage  
amp, or dial up a new sound that’s uniquely their own. All three models feature Hartke's  
G Series burnin'-hot pre amp, 2-channel section for clean and dirt and a matching Hartke  
GXL speaker custom voiced for harmonic overtones that add to the warmth and richness  
of the sound. The G series Channel 1 circuitry provides a super clean classic tone and can  
be slightly over driven for a great roots-rock rhythm tone. Channel 2 has high GAIN for  
smooth to shredding distortions. Plus, the versatile, and musical, equalizer provides BASS,  
TREBLE plus MID (G30R only) to shape the sound the best complements your playing style.  
On the G15R and G30R, special attention was also taken in designing a Reverb effect that  
you actually want to use! The warm spring sound has been optimized by carefully selecting  
both the electronic and mechanical components. The 2-channel per-amp design with foot  
switch control lets you quickly and easily switch from rhythm to lead. The G series feature  
a steel amplifier chassis, enclosures made of rugged Plywood and MDF construction, with  
durable vinyl covering. The G Series combos are perfect amplifiers for use in small or large  
venues ( mic'd-up into a large PA!). Plus, the CD input and dedicated headphone output  
makes them awesome practice amps! There are three different G Series models, and this  
manual covers the G15, G15R and G30R combos. Whichever of these models you’ve pur-  
chased, you’re assured of robust construction and that great Hartke sound.  
In these pages, you’ll find a detailed description of the many features of your G Series  
Amplifier, as well as a guided tour through its front and rear panels, step-by-step instruc-  
tions for setting up and using the amp, plus full specifications. You’ll also find a warranty  
card enclosed—please don’t forget to fill it out and mail it so that you can receive online  
technical support and so we can send you updated information about this and other  
Hartke and Samson products in the future. Also, be sure to check out our website (www.  
line.  
SPECIAL NOTE: Should your Hartke G Series Amplifier ever require servicing, a Return  
Authorization (RA) number is necessary. Without this number, the unit will not be accepted.  
If purchased in the United States, please call Samson at 1-800-372-6766 for a Return  
Authorization number prior to shipping. Please retain the original packing materials and,  
if possible, return the unit in its original carton and packing materials. If purchased outside  
the United States, please contact your local distributor for warranty information.  
2
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Hartke G15, G15R and G30R Guitar Amplifier  
Features  
The Hartke G Series amplifiers have been designed for modern guitar players looking for a new  
sound that respects the tone of a classic amp. Here are some of their main features:  
Ample power, the G15 and 15R combos offers a 15-Watts of shredding power with 30 Watts  
for the G30R.  
2-channel front-end control section built around a Hartke burnin'-hot G Series pre-amp.  
The G15 amd G15R combos feature an 8-inch, custom designed Hartke GXL speaker and  
the G30R has a 12-inch, custom designed Hartke GXL speaker installed in an enclosure with  
open-back configuration.  
Front panel CHANNEL switch with LED indicators for selecting the G SeriesChannel 1 or  
Channel 2.  
Musical equalizer custom voiced for ultimate guitar response with BASS and TREBLE on the  
G15 and G15R, and BASS, MID and TREBLE on the G30R .  
The G15R and G30R boast a sweet and lush spring REVERB with level control.  
A dedicated CD input is included allowing you to hook up a portable CD or MP3 player to  
practice along with.  
The G Series features a separate headphone output, which automatically disconnects the  
speaker output, allowing use as a high-quality practice amp.  
Both models feature a 1/4-inch Jack for optional footswitch providing easy on-stage chan-  
nel selection.  
Hartke guitar cabinets are constructed from Plywood and MDF (medium density fiber-  
board) and feature a mesh fabric grill and durable vinyl covering.  
Rugged construction makes the G Series eminently road-worthy.  
3
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Guided Tour - Front Panel  
1.  
INPUT - Connect your guitar to this standard 1/4unbalanced jack. This G Series Input was  
designed to handle the signals from guitar with a wide range of output levels from lipstick  
single coils to the beefiest humbucker.  
2.  
3.  
4.  
5.  
6
VOLUME - This is the overall volume control for CHANNEL 1.  
CH1 LED – When this light is illuminated, CHANNEL 1 is selected.  
CHANNEL SWITCH - The switch allows you to select either CHANNEL 1 or CHANNEL 2.  
CH2 LED - When this light is illuminated, CHANNEL 2 is selected.  
CRUNCH - CHANNEL 2’s pre-amp level control used to dial up tube overdrive tone for clas-  
sic metal distortion, shredding leads and fat modern chunk.  
7.  
VOLUME (CH2) - This is the overall volume control for CHANNEL 2.  
8. BASS - This tone control allows you to adjust the low frequency tone of your amp.The  
G Series tone controls use electronic circuits based around those of the best sound-  
ing classic amplifiers.The normal BASS tone (that is, flat response) is when the knob  
is at the 12 o’clock (“5”) position. As it is turned clockwise from the5position, the  
frequency area is boosted; as it is turned counterclockwise from the5position, the  
frequency area is attenuated.  
4
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Guided Tour - Front Panel  
9. MID (G30R only) - This tone control allows you to adjust the mid-range frequency  
tone of your amp.The G Series tone controls use electronic circuits based around  
those of the best sounding classic amplifiers.The normal MID tone (that is, flat  
response) is when the knob is at the 12 o’clock (“5”) position. As it is turned clockwise  
from the5position, the frequency area is boosted; as it is turned counterclockwise  
from the5position, the frequency area is attenuated.  
10. TREBLE - This tone control allows you to adjust the high frequency tone of your amp.  
The G Series tone controls use electronic circuits based around those of the best  
sounding classic amplifiers.The normal TREBLE tone (that is, flat response) is when the  
knob is at the 12 o’clock (“5”) position. As it is turned clockwise from the5position,  
the frequency area is boosted; as it is turned counterclockwise from the5position,  
the frequency area is attenuated.  
11. REVERB (G15R and G30R only) – The control knob used to set the level of the internal  
Spring Reverb.  
12. CD IN - Your G Series amplifier features a CD input which you can use with a portable CD  
player, cassette, mini disk or MP3 player. You can use the CD input to jam with pre-recorded  
tracks or to learn a riff from a favorite recording.  
13. PHONES - Connect any stereo headphone (600 ohms or less) to this standard 1/4" stereo  
jack. When a plug is inserted into the headphone jack, the speaker output is disconnected,  
allowing you to use your G Series as a practice amplifier. The level of the signal sent to the  
headphones is determined by the setting of the Volume knob—at the point where a con-  
nected speaker would clip, the headphones will clip.  
WARNING: Because even the smallest G Series amplifier is capable of generating extremely  
high headphone signal levels, always start with the Volume knob at minimum and then  
slowly turn it up. In particular, a clicking sound is an indication of distortion and possible  
damage to the headphones (and/or your hearing!); don’t let things get to that point!  
14. POWER switch - Use this to power the G Series on or off. When powered on, an LED inside  
this switch is lit.  
5
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Setting Up and Using Your Hartke G Series  
Guitar Amplifier  
1. Remove all packing materials (save them in case of  
need for future service) and decide where the amplifier  
is to be physically placed. To avoid potential overheat-  
ing problems, make sure that the rear panel is unob-  
structed and that there is good ventilation around the  
entire unit.  
2. Before you plug-in the power cable, be sure the  
POWER switch is in the off (down) position. Plug-in the  
3-pin AC plug into any grounded AC socket. Don’t turn  
the G Series on just yet, though.  
3. Use a standard music instrument cable to connect  
your guitar to the INPUT jack on the front panel.  
4. On the front panel of the G Series, turn the VOLUME  
on CHANNEL 1, and CRUNCH and VOLUME on CHANNEL  
2 controls to their minimum (fully counterclockwise)  
position. Set the BASS, TREBLE and MID controls to their  
“5position.  
5. Press the front panel Power switch in order to turn on  
your G Series amp; the switch will light up to indicate  
power has been applied.  
#(  
#( ꢁ  
6. Press the front panel CHANNEL SWITCH to select  
CHANNEL 1. Note: If a footswitch is connected to the  
rear panel FOOTSWITCH input jack, you will need to  
change the channel using the foot switch.  
#(!..%, 37)4#(  
7. Set the output of your guitar to maximum and then,  
while playing, slowly turn the G Series CHANNEL 1  
VOLUME control up until the desired level is achieved.  
You will get a nice clean tone when using just VOLUME  
for level, so set it to the level you like.  
6
6
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Setting Up and Using Your Hartke G Series  
Guitar Amplifier  
8. Adjust the BASS and Treble equalizer controls to taste.  
(When you get a great setting that complement your  
instrument and playing style, it’s a good idea to write it  
down for future use.)  
9. Now, press the CHANNEL SWITCH (or the footswitch) to  
select CHANNEL 2.  
10. Set the CHANNEL 2 CRUNCH to “10position (fully  
clockwise) and then, while playing, slowly turn the G  
Series CHANNEL 2 VOLUME control up until the desired  
level is achieved.  
NOTE: With the CRUNCH control on “10you will get the  
most overdrive from CHANNEL 2. You can turn down the  
RUNCH control for less distortion.  
11. Adjust the BASS, MID (G30R only) and TREBLE equal-  
izer controls to taste. (When you get a great setting that  
complement your instrument and playing style, it’s a  
good idea to write it down for future use.)  
12. Your G Series amplifier features a CD input which you  
can use with a portable CD player, cassette, mini disk or  
MP3 player to jam with pre-recorded tracks or learn a riff  
from a favorite tune. In fact, you can plug any line level sig-  
nal into the CD input including the signal from a keyboard  
or drum machine. Connect the CD player or other Line level  
device to the CD Input using stereo 1/4-inch to RCA cable.  
You will want to use the volume control on the CD player or  
other Line level device to set the balance between the track  
and your guitar. So, start with the volume control all the  
way down and slowly raise it until you reach a good balance  
with your guitar.  
13. Test the headphone output by turning the Volume  
control to its minimum (fully counterclockwise) position  
and then connect a standard stereo headphone to the front  
panel Phones jack. While playing your guitar, slowly turn  
the Volume control up—you should hear sound from the  
headphones and none from the connected speaker.  
7
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Using the Footswitch Jack and Effects Loop  
14. The Hartke G30R has a footswitch jack located on the  
rear chassis panel. You can connect a standard footswitch  
terminated with a 1/4-inch phone plug, readily available at  
your musical instrument retailer, so that channel switching is  
hands-off easy.  
8
8
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G Series Sample Settings  
The G Series combos are powerful amps with a lot of personality. The amplifiers offer guitarists  
a wide range of sounds and after playing just a short time, you’ll find the tone that's perfectly  
suited for your playing style and your sound. To get you started, try some of the samples settings  
below. Don't forget to add a little (or a lot) REVERB to any of the settings. Remember, the G  
series use different speaker systems, plus different guitars are made of different wood and have  
different pick-ups, so the sound will vary a little bit on each individual set up. But still, the sample  
settings will get you close enough, so you can use you ear to tweak up the sound that’s perfect  
for you.  
On page 12 you'll find blank templates of Channel 1 and Channel 2. Use these templates to write  
down the settings for your favorite sounds. Feel free to photocopy or scan the template page if  
needed.  
9
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G 15 and 15R Sample Settings  
CH-1 - TWEEDY  
CH-2 - BLUES  
CH-2 - NU-METAL  
CH-2-BACKINBLACK  
CH-2-UN-CHAINED  
CH-2 - 80's METAL  
10  
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G 30R Sample Settings  
CH-1 - TWEEDY  
CH-2 - BLUES  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
CH-2 - NU-METAL  
CH-2-BACKINBLACK  
CH-2-UN-CHAINED  
CH-2 - 80's METAL  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
#(ꢀ  
#(ꢁ  
#(!..%, 37)4#(  
11  
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Setting Templates  
G15  
G30R  
12  
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Specifications  
Rated Output Power  
Input Impedance  
15 w (G15 G15R)  
30 w (G30R)  
1M OHM  
Headphone Output  
Connector  
200 mW (typical) @ 600 ohms  
1/4-inch Phone Jack  
Fuse Rating  
US & Japan  
UK & European  
1A  
2A  
Weight  
G30  
G15R  
G15  
28 lbs. (12.7 kg)  
15 lbs. (6.8 kg)  
5 lbs. (6.8 kg)  
Dimensions  
G30  
G15R  
19(483 mm) H x 17(432 mm) W x 9(229 mm)D  
14(356 mm) H x 13 3/4(349 mm) W x 14(356 mm)D  
14(356 mm) H x 13 3/4(349 mm) W x 14(356 mm)D  
G15  
13  
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Hartke  
Phone: 1-800-3-SAMSON (1-800-372-6766)  
Fax: 516-364-3888  
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