Active subwoofer Rockford Fosgate PUNCH P300-12T
12" active subwoofer in a box, 300 W RMS
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More about the product
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Active subwoofer Rockford Fosgate PUNCH P300-12T
The Punch 300-12T is a separate subwoofer in a box with an integrated amplifier. This all-in-one solution is great for audio systems that need extra power at the low end of the frequency spectrum. The box features a 12" high-output subwoofer whose impedance is optimized for a built-in 300-watt class D amplifier, which is equipped with a low-frequency crossover, bass EQ and a phase switch. The box can be connected using speaker-level inputs for connection to factory systems, or traditional inputs at line level. It also features an intelligent automatic on/off circuit that eliminates the need for a separate switching wire. The enclosure itself is precision engineered and manufactured using MDF (Medium Density Fibreboard).
Key features of the Rockford Fosgate PUNCH P300-12T active subwoofer
- Optimized 12" woofer with low impedance.
- 300 W class D amplifier with optimized "closed loop" design.
- 12dB Low Pass Adjustable Crossover / Oct.
- Phase switch.
- Intelligent automatic on / off function.
- Robust power / chassis connection.
- Quick connect inlet for easy removal.
- Adjustable bass equalizer.
- Including remote control of the bass level.
- Separate inputs for low and speaker level.
- Precision engineered MDF cabinet with heat activated vinyl finish.
- Thermal and overvoltage protection.
| Catalog number | P300-12T |
| Brand | Rockford Fosgate |
| Links | Official web presentation |
| RMS power of the subwooferThe RMS power of an active subwoofer is the constant power that the active subwoofer can play over a long period of time. We recommend following this value. The RMS power of active subwoofers is taken as the RMS power of the integrated amplifier, which in most cases is slightly undersized, which guarantees protection against subwoofer burning. | 300 W |
| Maximum subwoofer performancePeak performance or Max. power that an active subwoofer can play for a moment (approx. 0.5 s), for example when percussion instruments are struck in a recording. But it is not as important a parameter as the RMS power. | 600 W |
| Energy class of the amplifierAmplifiers are divided into two basic classes: analog and digital . Analog amplifiers (A/B) have higher consumption requirements, but usually have a more natural sound. Digital amplifiers (D) have significantly lower consumption and higher efficiency, but the sound may not be as faithful as with classic analog amplifiers. | D |
| The diameter of the subwoofer usedThe diameter of the subwoofer that is installed in the active box. | 300 mm (12") |
| Frequency rangeThe ability of the device to reproduce a signal from the lowest frequency to the highest, or the ability of an active subwoofer to faithfully reproduce sound in a specific frequency band. Professionally: In the frequency range from 40 to 16,000 Hz, the vast majority of fundamental and overtones (harmonics) of all musical instruments are found. We are interested in the course of the radiated sound pressure in this range of frequencies when the loudspeaker system is supplied with constant power. We call this course the frequency characteristic, which tells us the level of radiated sound pressure in decibels (dB) depending on the frequency. The frequency characteristic of a speaker or speaker system can be expressed most succinctly with a graph. Mostly, however, the frequency characteristic is indicated by indicating the maximum tolerance of the sound pressure in the given frequency range, e.g. 50 to 15,000 Hz -+ 6 dB. since the frequency characteristics of loudspeakers and systems in general are quite uneven, some manufacturers do not even specify this maximum tolerance of sound pressure in decibels for reasons of prestige. Data impoverished in this way is worthless. What is valid is that the manufacturer offers a speaker system with a frequency range of 30 to 20,000 Hz, if he is worried about stating the maximum unevenness of the sound pressure in this range, because he can have a tolerance of, for example, +- 20 dB. The unevenness, i.e. the undulation of the frequency course in good speaker systems for quality music performance should not exceed +-3 dB in the 80 to 12,000 Hz band and +-6 dB in the 40 to 16,000 Hz band. Greater unevenness already depletes or emphasizes certain tonal areas, which can cause audible or even disturbing distortion. The proportion between fundamental tones and higher harmonics also changes, thereby changing the color of the sound, and individual musical instruments as well as the entire musical image sound unnatural. | 35 - 200 Hz |
| High level inputThe high-level input on the active subwoofer enables connection directly to the speakers in the car without purchasing an external high/low converter. Use in the case of mounting an active subwoofer on the original car radio. | Ano |
| Automatic on and offThis function will facilitate your installation and solve the problem of finding a remote signal, which is sometimes a problem with original car radios. The active subwoofer with the Auto sense function can recognize that the equipment in the car is active and turn itself on. A useful and practical feature. | Ano |
| Phase rotation optionPhase shift is a linear electronic oscillator that produces a sinusoidal output. It consists of an inverting part of the amplifier such as a transistor. The feedback network "shifts" the phase at the output of the amplifier by 180 degrees to the oscillation frequency and gives positive feedback. The Phase shift filter produces a phase shift that increases with increasing frequency. This is usually used when the subwoofer sub-assembly is out with the magnet, or when two amplifiers are connected externally. Phase Shift is also used with active speaker wiring, where the time shift of the speakers is set. The point is that the subwoofer does not play the bass late, and for this reason better amplifiers offer this phase reversal option. | Ano |
| Crossover setting optionsUsually this involves tuning the LPF filter on the active subwoofer. | Ano |
| Cabling included in the packageSome active subwoofers have complete wiring included in the package. In the event that the package really includes complete wiring for connection, we mark the parameter as "yes". If the wiring is not included, it must be purchased. | Ne |
| Remote control included in the packageSome models of active subwoofers also have wired remote controls in the package, which on the one hand connect to the active box, and on the other hand you have a potentiometer that you can place anywhere in the cabin. A common place to place the remote control is under the steering wheel. The advantage is the regulation of power, and therefore volume, depending on driving conditions and the mood of the crew in the car. | Ano |
| Protective gridProtective grids or bars, as protection against mechanical damage to the subwoofer. | Ano |
| What is the baffle made of?Active subwoofers can be made of MDF board, hardened plastic, sheet metal, aluminum or a combination of different materials. | MDF deska |
| Active subwoofer dimensions | 380 x 656 x 122 x 215 mm |
| Mass | 14,5 kg |
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