Thiel Audio Products SS3, SS4, SW1 manual Temperature Correction, Accurate Matching to Main Speakers

Models: SS3 SW1 SS4

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Temperature Correction

Temperature Correction

These SmartSub models contain unique circuitry (patent pending) that corrects for compression distortion due to heating of the drivers’ voice coils. Without this correction subwoofer output levels could decrease by as much as 5 dB and the response altered at times of high demand. The correction allows the subwoofer to provide more accurate, uncompressed and dynamic reproduction.

Accurate Matching to Main Speakers

Rather than providing generic built-in crossover controls that can rarely achieve high quality blending of the subwoofer with main speakers, the SmartSub can be used when needed with a separate unit, either a dedicated passive crossover or the universal SmartSub Integrator.

The passive crossovers provide perfectly blended augmentation of the main speakers, allowing the combination to provide very accurate reproduction of the entire sonic spectrum, to below the audible range.

Heat sensor on voice coil

Passive Crossover

A thermistor is mounted to the woofer’s voice coil so that the amplifier can continuously measure the voice coil’s temperature. Knowing this, circuitry automatically adjusts both frequency response and level of the signal to accurately compensate for all effects of temperature on performance. This compensation ensures that the subwoofer’s response and sensitivity don’t change with temperature.

Protection from overheating

An automatic shutdown feature is included that protects the drivers from excessive heat produced by input levels that are excessively high. By knowing the temperature of the voice coil at all times, a shutdown is automatically executed if temperatures ever reach levels that could cause damage. The unit continues to monitor the temperature and is automatically restarted when the temperature falls to a safe level.

The SmartSub Integrator provides unprecedented ability to perfectly match any main speakers and provide total system performance that is as well integrated and balanced as a full range speaker. This superior performance is achieved by innovative circuitry (patents pending) that automatically calculates the ideal subwoofer response to perfectly match the characteristics of the main speakers. Therefore, instead of the usual crossover controls that tell the subwoofer how to perform, the SmartSub Integrator has settings for the characteristics of the main speakers you are matching, the configuration of your system and the performance you desire. This information is then used to automatically calculate and implement the ideal subwoofer response. In addition, the unit enables the total system to operate in either augment or crossover system mode and can control up to 16 subwoofer units in either mono or stereo configuration.

SmartSub Integrator

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Thiel Audio Products SS3, SS4, SW1 Temperature Correction, Accurate Matching to Main Speakers, Protection from overheating