Table of Contents
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STA220
Two Channel
MOSFET Car Audio
STA216
Amplifiers
STA212
STA208
STA206
STA416
Four Channel
MOSFET Car Audio
STA412
Amplifiers
Congratulations on your
purchase of a
Sound Storm Laboratories
STEALTH Amplifier.
It has been designed, engineered
and manufactured to bring you
the highest level of performance
and quality, and will afford you
years of listening pleasure.
Thank you for making Sound
Storm Laboratories your choice
for car audio entertainment!
U S E R ' S M A N U A L
CONTENTS
page
2
2
3
3
4
4
4
5
6
7
8
2CH Mode
9
2CH Power and Speaker wiring
10 2CH Power and Speaker wiring
TriMode
11 4CH Power and Speaker wiring
4CH Mode
12 4CH Power and Speaker wiring
13 4CH Power and Speaker wiring
TriMode
STEALTH MOSFET Amplifier User's Manual - page 1
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Summary of Contents for Ssl STA208
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Page 1: Table Of Contents
Four Channel MOSFET Car Audio STA412 Amplifiers Congratulations on your purchase of a Sound Storm Laboratories STEALTH Amplifier. It has been designed, engineered and manufactured to bring you the highest level of performance and quality, and will afford you years of listening pleasure. -
Page 2: Introduction
Introduction With the Sound Storm Laboratories STEALTH MOSFET amplifier series, we are introducing seven new amplifiers, all designed in the USA. This new series includes five 2-channel and two 4-channel amplifiers. All STEALTH models feature variable low pass crossovers and variable input gain controls. -
Page 3: Features
Features Your new STEALTH amplifier features the following: • Class A-B operation • Bridgeable outputs • Tri-Mode capable • MOSFET PWM (Pulse Width Modulated) Power Supply • 2 Ohm stable stereo operation with output power increase • Thermal and speaker short protection •... -
Page 4: General Precautions
General precautions Before installing and using your new Sound Storm Laboratories amplifier, please become familiar with all the information contained in this manual. Please keep this manual in a safe place for future reference. • Do not open or attempt to repair this unit yourself. -
Page 5: Connecting The Amplifier
Connecting the amplifier Before doing any wiring, look through this manual and identify the diagrams to follow for power, input and speaker connections for your particular installation. Be sure you understand all the connections before you proceed. 1. Connect the power ground terminal to the closest point on the chassis of the car. -
Page 6: Low Level Input Wiring
RCA cable for best audio performance. NOTE: Do not connect BOTH the high level and low level inputs from your receiver to your amplifier at the same time! 2-Channel Amplifiers STA206, STA208, STA212, STA216 and STA220 4-Channel Amplifiers STA412 and STA416... -
Page 7: High Level Input Wiring
NOTE: Do not connect BOTH the high level and low level inputs from your receiver to your amplifier at the same time! 2-Channel Amplifiers STA206, STA208, STA212, STA216 and STA220 Remote Subwoofer Level Control 4-Channel Amplifiers... -
Page 8: 2Ch Power And Speaker Wiring
R (+) amplifier terminal. Connect the Negative (-) terminal of the subwoofer to the L (-) amplifier terminal. FUSE 2-Channel Amplifiers STA206, STA208, STA212 STA216 and STA220 B R I D G E D M O D E... -
Page 9: Bridged Mode
Connect the Negative (-) terminal of the subwoofer to the L (-) amplifier terminal. FUSE STEALTH MOSFET Amplifier User’s Manual - page 9 2-Channel Amplifiers STA206, STA208, STA212 STA216 and STA220 B R I D G E D M O D E... - Page 10 High pass filter crossover RIGHT Speaker Low pass filter inductor Subwoofer SPEAKER IMPEDANCE 8 OHMS 2-Channel Amplifiers STA206, STA208, STA212 STA216 and STA220 7.5mH 470uF 6.5mH 330uF 5.5mH 330uF 220uF B R I D G E D M O D E...
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Page 11: Channel Mode
Power and Speaker Wiring 4 Channel Mode SPEAKER Speaker IMPEDANCE 2-8 OHMS Four Channel Mode G N D Chassis ground point to REMOTE TURN-ON terminal of head unit Battery FUSE Speaker B R I D G E D M O D E B AT T + R E M F U S E S... -
Page 12: Bridged Mode
Power and Speaker Wiring Bridged Mode RIGHT Subwoofer Bridged Mode G N D Chassis ground point to REMOTE TURN-ON terminal of head unit Battery FUSE STEALTH MOSFET Amplifier User’s Manual - page 12 Connect the Negative (-) terminal of the RIGHT subwoofer to the CH4(-) amplifier terminal. - Page 13 Power and Speaker Wiring Tri-Mode Tri-mode operation allows you to connect this amplifier to a pair of main speakers plus a subwoofer on one pair of output channels. The main speakers will operate in STEREO while the subwoofer simultaneously operates in MONO. To set up the amplifier to run in this mode, put the crossover switches in the FULL position.
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Page 14: Troubleshooting
Troubleshooting If you experience operation or performance problems with this product, compare your installation with the electrical wiring diagram on the previous pages. If problems persist, read the following troubleshooting tips which may help eliminate the problems. SYMPTOM POSSIBLE REMEDY Amplifier will not Check to make sure you have a good ground connection. -
Page 15: Specifications
Variable 0 - +18dB Bass boost 40A x 1 Fuse rating 11" Dimensions: (11- " x 3" x ...) STA208 STA212 STA216 170W x 2 230W x 2 290W x 2 400W X 2 600W X 2 800W X 2... - Page 16 Notes...
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