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8. PROTECTION CIRCUITS
Your REFERENCE405 amplifier is protected against both overheating and short
circuits by means of the following circuits:
Main power supply fuses (2 at 20 amps each)
Smart Power Supply Thermal Rollback activating at 85OC.
A fail-safe thermal protection circuit activating at 95OC.
Speaker over-current protection relays (on the 4 x 25 watt channels).
Your amplifier also incorporates an innovative Fault Diagnosis system that
identifies a blown power supply fuse.
If you experience blown main power fuses, DO NOT increase values beyond
20 amp (each) fuses.
9. TROUBLESHOOTING
PROBLEM
No sound and LEDs are not lit
Fault LED
is lit
Repeatedly
blown amp fuse,
frequent activation of Smart
Power Supply Circuit or
speaker protection circuit
breakers
no sound from subwoofer
channel with 2 or 4 channels of
input
no sound from channels
3 & 4 with 2 channels of input
11
CAUSE
no power or ground at
no remote turn-on signal
blown fuse near battery
amp power supply fuse is
blown
check speaker
configuration, amp may be
in "High Power" mode, put
amp into "High Current"
mode if speaker load is
less than 2 Ohms (see
Section 2, Selecting
Operating Modes)
speaker or leads may be
shorted
verify adequate amplifier
ventilation
check input settings on
bottom of amplifier--switch
should be set at inputs "I,
2, 3 or 4" unless using
external inputs
l
check input settings on
bottom of amplifier--switch
should be set at inputs "1
10. SERVICE
Your Soundstream amplifier is protected by a limited warranty. Please read the
enclosed warranty card.
11. SPECIFICATIONS
POWER OUTPUT
25 watts x 4 plus 100 watts x 1 (4 ohms, 12 V)
50 watts x 1 (4 ohms, 12 V, High Current)
40 watts x 4 plus 120 watts x 1 (4 ohms, 14.4 V)
200 watts x 1 (2 ohms)
THD: ~0.1%
Signal to Noise: >lOO dB
Frequency Response: 20 Hz to 20 kHz +/- 0.5 dB
(dedicated sub channel): 20 Hz to 400 Hz +/- 0.5 dB
Bandwidth: 15 Hz to 50 kHz
(dedicated sub channel): 15 Hz to 1 kHz
Stereo Separation: >90 dB
Damping: >200
Input Sensitivity: 100 mV - 2.5 V
Input Impedance: 12 k ohms
Crossover Specifications:
High Pass: 12 dB/octave, Continuously Variable
from 60 - 240 Hz (front & rear)
Low Pass: 24 dB/octave, Continuously Variable
from 30 - 120 Hz
Dimensions: 16" W x 9-l/2" D x 2-l/4" H
12
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Do you have a question about the REFERENCE 405 and is the answer not in the manual?
Questions and answers
Untuk speaker pintu 4+subwoofer 1 Diagram pemasangan nya gimana ?
To install the Soundstream Reference 405 amplifier with 4 door speakers and 1 subwoofer, follow these steps:
1. Power and Ground Wiring:
- Use high-quality, low-loss power and ground cables.
- Connect a 4-gauge power cable from the battery to the amplifier.
- Ground the amplifier securely to the vehicle chassis.
2. Speaker Wiring:
- Channels 1 and 2: Connect to the front door speakers.
- Channels 3 and 4: Connect to the rear door speakers.
- Channel 5 (subwoofer channel): Connect to the subwoofer.
3. Speaker Output Mode Selection:
- Ensure channels 1-4 are set to operate in stereo mode for full-range sound.
- Set the subwoofer channel to low-pass mode.
4. Bass Control and Frequency Adjustment:
- Use the Hawkins Bass Control to tailor the subwoofer response.
- Adjust the frequency and boost settings as needed.
5. Testing and Final Adjustments:
- Play test audio and adjust gain levels for balanced output.
- Fine-tune crossover settings to match speaker specifications.
- Ensure all connections are secure and free of distortion.
This setup ensures optimal performance from the Reference 405 with 4 door speakers and a subwoofer.
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