Rockford Fosgate POWER T3S1-19 subwoofer
performance subwoofer 19" - 3 KW, 1 Ω
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Rockford Fosgate POWER T3S1-19 subwoofer
In terms of performance, the Power T3S1-19 can be described as a "superwoofer", mainly due to its 19" effective diaphragm area. That's right, Rockford Fosgate doesn't need to make "boring" 18" subwoofers ... this series is for real audio fanatics who want to get it going in great style! Brutal bass, brutal performance, brutal ride! The Power 19" contains technologies that you won't find in any other audio device, such as a suspension made of special injected foam, which is characterized by a very long life and its properties are close to rubber. The voice coil windings are very close to each other, so there are no air gaps, which brings a higher performance capacity.To efficiently mount the subwoofer motor, Rockford Fosgate also designed a so-called "Push-Pull" voice coil with a large neodymium magnet.
Key features of the Rockford Fosgate POWER T3S1-19 subwoofer
- Diaphragm made of three-layer glass fiber/aramid honeycomb structure/glass fiber.
- Aluminum canopy.
- VAST™ injection foam suspension.
- Proprietary hinge clamping ring.
- Double Nomex center with integrated lead wires.
- Cast aluminum basket with integrated radiator fins and cooling.
- Spring insulated terminals for 4 AWG cable.
- Single layer aluminum 5" voice coil with edge winding.
- Removable decorative aluminum ring.
- Double gap multi-pole neodymium push/pull motor structure.
| Catalog number | T3S1-19 |
| Brand | Rockford Fosgate |
| Links | Official web presentation |
| RMS powerThe RMS power of the subwoofer is the constant power of continuous use of the subwoofer. If the power is exceeded for a longer period of time, irreversible damage may occur, or to burn out the voice coil of the subwoofer. | 3000 W |
| Max. (maximum performancePeak performance , which the subwoofer can play momentarily (approx. 0.5 s), for example when hitting drums in a song. If the maximum power is exceeded, damage can quickly occur, or to burn out the voice coil of the subwoofer. | 6000 W |
| Sensitivity (SPL 1W/1m)Subwoofer sensitivity or efficiency. The sensitivity of the subwoofer is given in decibels (dB) and, in simple terms, means that the higher the value, the lower the demands on the power of the amplifier. This is a de facto rating of how a subwoofer converts watts to sound. Sensitivity ratings are in noise level measured at 1 meter from the subwoofer using 1 W (watt of power) or using 2.83 volts at the source at 1 meter. A higher decibel level means the subwoofer is louder with less power. For every 3 dB increase in sensitivity, the subwoofer requires half the power to reproduce the same volume. For example, if an 88 dB subwoofer needs 300 watts to produce a certain volume, then a 91 dB subwoofer needs only 150 watts to reach the same efficiency. | 91 dB |
| ImpedanceImpedance - measurement of electrical resistance. When buying a subwoofer, it is very important that everyone make sure that the impedance matches the amplifier that you are connecting to it. For subwoofers with a double voice coil, we recommend following the information in the advice center! Example: A 2 Ohm subwoofer cannot be connected to an amplifier that is only stable up to 4 Ohms. A 4 Ohm subwoofer can easily be used on an amplifier that is stable up to 2 Ohms. Connecting a 4 Ohm subwoofer to an amplifier that is stable up to 4 Ohms also without problems. The most common subwoofer impedance is 4 Ohm. | 1 Ω |
| Subwoofer diameterThe diameter of the subwoofer is indicated on the screw holes. The overall outer diameter of the subwoofer is usually 1-2 cm wider, depending on the size category of the subwoofer. For a 30 cm subwoofer, the outer diameter incl. protective rubber 31.8 cm and in the 25 cm subwoofer it is 26.5 cm incl. protective rubbers. | 480 mm (19") |
| Subwoofer mounting depthThe mounting depth of the subwoofer is measured from the bottom edge of the magnet to the bottom edge of the subwoofer's metal or cast basket. | 398 mm |
| Fs - resonant frequencyFs - is the lower resonant frequency. This parameter is the de facto free air resonant frequency of the subwoofer. Simply put, it is the point at which the weight of the subwoofer's moving parts equals the force of the subwoofer's suspension while it is in motion. If you've ever seen a piece of string start to hum uncontrollably in the wind, you've seen the effect of reaching a resonant frequency. The weight of the moving parts and the stiffness of the suspension (surround and spider) are key elements that affect the resonant frequency. As a general rule, a lower Fs indicates a subwoofer that would be better at reproducing low frequencies than a subwoofer with a higher Fs. However, this is not always the case, as other important parameters of the subwoofer also enter the resulting sound. | 27,1 Hz |
| Vas - equivalent volume of airVas - represents the volume of air that, when compressed per cubic meter, acts with the same force as compliance (CMS), suspension in a certain subwoofer. Vas is one of the most complicated parameters to measure, as changes in air pressure are affected by conditions of relative humidity and temperature. Another way to describe what VAS is: try using a subwoofer and find a baffle that is the right size to return the air with the same stiffness to the same resonance. The size of this box is equal to you. There are, of course, other parameters, but they are not so necessary for the exact calculation of the enclosure. Resonance frequency and Q-parameter values are also important when building enclosures. | 104,90 l |
| Xmax + -Xmax - the maximum deflection of the subwoofer diaphragm in one direction – it is not a sum, or an abbreviation for the maximum linear deflection. The subwoofer output becomes non-linear as the voice coil begins to leave the magnetic gap. | 34 mm |
| QtsTotal Q-factor of driver is a total quality factor, it includes both parameters Qes and Qms (electrical Qes and mechanical Qms). It varies in values from approx. 0.08 to 0.6, exceptionally up to 3. The Qts of the subwoofer is calculated in the same way as, for example, a pair of parallel resistors, so the result is decisively influenced by a smaller value that cannot be exceeded, which is usually Qes. | 0,32 |
| Subwoofer voice coil diameterThe larger the diameter of the voice coil, the more load capacity the subwoofer has, in layman's terms. | 127 mm |
| Subwoofer diaphragm materialThe specific material from which the subwoofer membrane is made. | Z trojvrstvého skleněného vlákna/aramidové voštinové struktury/skleněného vlákna |
| MassSubwoofer weight in kilograms. The weight is usually given net, i.e. without packaging. | 48.20 kg |
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