STETSOM 1200EQ Automotive Amplifier User Manual

Amplifier Automotive
Model: 1200EQ
USER MANUAL

Introduction

Thank you so much for choosing a Stetsom product! The chosen amplifier has been developed with the most advanced technology for those who are looking for high performance audio systems with one or more speakers and “pro car audio” system.

Before installing

Please read this manual carefully.

• All product connections must be made with the product turned OFF.
• A fuse must be installed between the amplifier and the battery is required to protect against overcharging. The fuse has to be installed as close to the battery as possible. Check the proper fuse for the amplifier according to its consumption.
• Use gauges recommended in this manual to avoid the overheating of the cables to obtain maximum power.
• Keep the cables as short as possible to increase sound fidelity and avoid potential power losses.
• Route the installation cables as far away as possible from the original vehicle wiring as it may cause interference and noise in your audio system.
• Perform the installation in a firm, ventilated and dry place.
• Installation must be done by a qualified professional.

If you have questions , contact the store where the purchase or installation was made. For more information please contact our Customer Service: BR +55 18 2104-9412.

Input, output and audio controls

1. INPUT: Input of the signal to be amplified. Connect to the radio/player through high quality shielded RCA cables to prevent unwanted noise.

2. LEVEL: Signal level control in the amplifier input.

3. HIGH PASS FILTER (H.P.F.): This variable control allows you to select the initial frequency from 10Hz to 700Hz that will be reproduced by the amplifier.

4. LOW PASS FILTER (L.P.F.): This variable control allows you to select the final frequency from 50Hz to 25KHz that will be reproduced by amplifier.

5. BASS: Variable control for bass boost from 0 to + 10dB.

6. MID BASS: Variable control from 0 to +10dB with bass boost at 270Hz.

7. MID HIGH: Variable control from 0 to +10dB with acting on boosting midrange at 2KHz frequency.

8. OVER CLIP: With this key turned on, the clipping LED will light up at 15% more final capacity.

9. SPEAKER OUTPUT: This output is MONO. Be careful of maintaining the correct polarity of the connections between the speakers and check the minimum impedance of this output. Use cables with a minimum gauge of 11 AWG.
   Power input
   

10. COOLER: This fan will operate according to the volume of the CD/DVD/ MP3 player. The higher the volume, the higher speed at which the fan will run (FAN CONTROLLED BY AUDIO).

11. POSITIVE POWER SUPLY CONNECTOR: Connect to the positive battery terminal through a minimum 6 AWG cable with a fuse/circuit breaker (150A) as close to the battery as possible.

12. REMOTE CONNECTOR (REM): Allows automatic activation of the amplifier when turning on the radio/player. Connect to the remote output of the radio/player mininum of 18 AWG.

13. NEGATIVE POWER SUPLY CONNECTOR: Connect to the negative terminal of the battery using a cable minimum of 6 AWG .

Indicators LED

Smart protection system

When the protection system detects a failure, the amplifier will turn off and the PROT LED will blink. For each type of failure, the LED will flash a certain number of times indicating the cause, as shown in the table below:

| Diagnostic: Short circuit or output overload.
---|---
Solution: Check that the speaker cables are well insulated and that the output impedance does not exceed that supported by the amplifier.
| Diagnostic: Excessive temperature. When the amplifier reaches approximately 32°F, audio is stopped and the coolers run at maximum speed to speed up the cooling process of the internal components.
Solution: Check if the amplifier is in a ventilated place or if the coolers are not obstructed. Keep the amplifier turned on for a few minutes for the coolers to assist in the cooling process.
| Diagnostic: Supply voltage less than 9V.
Solution: Check voltage of battery or power supply.
| Diagnostic: Supply voltage greater than 16V.
Solution: Check voltage of battery or power supply.

Installation

Specification of the cables for proper installation:
▪ Power connectors (positive/negative) ……………………………….6 AWG
▪ Remote connector …………………………………………………………..18 AWG
▪ Output signal connectors (speakers) …………………………………11 AWG
▪ Fuses or circuit breakers ………………………………………………….40A

The use of fuse or circuit breaker is mandatory to protect the system from short circuit and overload. Install them as close to the battery as possible.

Installation should only be done by qualified professionals with the product turned OFF.

Troubleshooting

AMPLIFIER DOES NOT TURN ON:

• Verify that the cables are connected correctly. Make sure all connections have electrical and mechanical contact.
• Fuses or circuit breakers may be defective or blown. Check the condition of the circuit breakers and if it is compatible with the equipment consumption.
• Verify that the battery charge is sufficient for the operation of the product.

NO SOUND:

• The cables of the speakers or RCA plugs may not be connected correctly or are defective.
• Verify that the LEVEL control is not at a minimum.

PROT LED FLASHING:

• Verify that the product vents are not blocked or the product is overheated.
• Speakers or cables shorted, check speakers, cables and connections.

SOUND DISTORTIONS:

• The speakers may be overloaded or defective, lower the level and remake the level adjustment. This setting can be adjusted as follows:
  a) On the radio/player, place any musical signal and set the volume to 80% of the maximum (if the maximum volume of the radio /player is 45 (100%), set to 36 (80%).
  b) On the amplifier, with LEVEL control at minimum, increase gradually until the LED CLIP starts to flash. Slowly return the LEVEL until the led goes out completely.

LACK OF BASS:
• Cables of the speakers may be reversed and (out-of-phase speakers).

NOISE AND FAILURE IN SOUND:

• Verify that the installation is not close to the original vehicle wiring as they may cause interference and noise in the audio signal. • Make a separate power connection to the sound system. Use a fuse/ circuit breaker as close to the battery as possible for protection.
• Make a good grounding of the amplifier. To do this, remove the paint from the vehicle chassis at the desired point. Screw the wire using a ground terminal. To protect from oxidation, isolate with paint.
• Do not loop the ground. Avoid using multiple grounds. If possible, use a star connection, in which all the grounds run from a single point.

Any updates made in this manual will be available for costumers to consult without any charge on the brand’s site.
It is recommended that the updated manual be consulted whenever needed.

Images contained in this manual are merely illustrative and may differ from the actual product.

Technical specifications

The data measured are based on STETSOM laboratory equipment. Test reference in frequency from 1Khz with THD + N at ≤10% in impedances as indicated in each measurement. The electronic components and the manufacturing process may present manufacturing variations, thus leading to a variation in the measurements made.

Warranty Term

STETSOM, through its network of Authorized Technical Assistance Providers, guarantees technical assistance to the purchaser of their products. The repairs of any defects duly established as being of the manufacturer will be done without cost for replacement components or parts and repair labor. The repairs will be done by the Authorized Technical Assistance Provider specially designated by STETSOM.

CONSULT THE LIST OF AUTHORIZED TECHNICAL ASSISTANCE PROVIDERS ON OUR WEBSITE: www.stetsom.com.br/en/assistencias-tecnica
If you do not locate technical assistance in your city, please contact us at: BR +55 18 2104-9412

WARRANTY CONDITIONS:
Our warranty is 1 (one) year against manufacturing defects. Its validity starts on the date of the Sale to the FINAL Consumer. To make use of the benefits of this warranty, you must present one of the following documents: the Final Consumer’s SALE NOTE or this completed CERTIFICATE.

CASES THAT VOID THE WARRANTY:

1. 1 year after the issuance of the invoice of sale to the consumer or 1 year of completing certificate of warranty (dated and stamped by the retailer or installer) or 1 year from date of manufacture.
2. Violation of seals, alteration or removal of the product’s serial or lot number.
3. If the product suffers misuse, careless accidents involving: Water, Fire or Fall, or is installed in conditions contrary to the guidelines contained in the installation manual that accompanies the product.
4. Damages and changes in the circuit or adaptation of non-original parts.
5. If you use installation techniques contrary to those given in the manual.

QUESTIONS AND ADVICE:
STETSOM offers Customer Services to answer questions and give advice about their products and services. Please contact us through the channels: Phone: BR +55 18 2104-9412
E-mail: suporte@stetsom.com.br — Site: www.stetsom.com

Guarantee certificate

Serial|
---|---
Date of purchase:|
Month / Year of manufacture:|
Reseller / Stamp:|

STETSOM INDUSTRIA ELETRÔNICA LTDA. – CNPJ: 61.974.911/0001-04
RUA MARIANO ARENALES BENITO, 645 – DISTRITO INDUSTRIAL – CEP 19043-130
PRESIDENTE PRUDENTE – SP

STETSOMBRASIL  GRUPOSTETSOM STETSOMBRASIL

www.STETSOM.com.br
R8

References

• Stetsom - Stetsom
• Stetsom - Stetsom
• Index of /certifications
• Assistências TécnicaTechnical AssistanceAsistencias Técnica - Stetsom
• Assistências TécnicaTechnical AssistanceAsistencias Técnica - Stetsom
• Assistências TécnicaTechnical AssistanceAsistencias Técnica - Stetsom

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