Steg Principe 65C Mid-Bass Speakers
430,00 €
Steg Principe 65C is a set of car mid-bass speakers designed to reproduce low and mid frequencies. According to the seller’s specifications, the 50 W RMS power rating helps with selecting an amplifier channel for continuous operation. The 4-ohm impedance indicates the load presented to the amplifier. Its 50-10,000 Hz frequency response means that a separate tweeter is required for full-range reproduction.
Steg Principe 65C is a set of car mid-bass speakers classified by the seller as a high-end product. It is designed to reproduce the low and mid frequencies in a car audio system. The technical specifications below are the figures provided by the seller. The 50 W RMS power rating and 4-ohm impedance help you select a suitable amplifier channel.
Role in the audio system
These mid-bass speakers are not designed to reproduce the entire audible frequency range. Their stated frequency response ends at 10,000 Hz, so a properly matched tweeter is required to create a full-range system.
The model is suitable for building a component-based car audio system with separate drivers. Frequencies must be distributed between the system components by an amplifier, audio processor, or separate crossover. The chosen arrangement must respect the operating range of every connected speaker.
Choosing an amplifier
Nominal impedance is the main criterion for electrical matching. The amplifier channel must operate reliably with a 4-ohm load. If several speakers are connected to one channel, the resulting load will depend on whether they are wired in series or in parallel.
Amplifier power should be assessed using its RMS output rather than a maximum-power figure. The RMS rating provides a more useful indication of continuous operating requirements. The maximum rating of 70 W should not be used as a target for everyday listening volume.
The 86 dB sensitivity rating was measured with 1 W of power at a distance of one metre. When comparing different models, it is important to check the measurement conditions. Sensitivity figures alone do not show the true difference in output unless they were obtained under comparable conditions.
Connection and polarity
The speakers should be connected to an amplifier or to an amplified speaker output on a car stereo. A line-level output cannot drive them without a separate amplifier. Before making the connection, check the stereo channel’s available power and supported load.
The same polarity must be maintained on both channels. If the positive and negative leads are reversed on one speaker, the channels may operate out of phase. This can weaken mid-bass reproduction at the listening position and reduce the precision of the central sound image.
Setting the frequency filters
The stated lower operating limit is 50 Hz. Initial tuning can begin with the high-pass filter set close to this limit. The final crossover point should then be adjusted according to the installation location, listening volume, and any audible distortion.
If the system includes a subwoofer, the filter settings should not leave a noticeable gap between the subwoofer and the mid-bass speakers. Excessive frequency overlap may overemphasise a narrow part of the bass range. Make adjustments in small steps while listening from the driver’s seat.
The upper crossover must be configured together with the tweeter. The appropriate setting depends on the other driver’s operating range and the type of filter being used. The Steg speaker’s upper frequency limit alone does not establish a safe crossover point for the other component.
Installation in a vehicle
Before purchasing, compare the vehicle’s mounting location with the speaker’s actual dimensions. The mounting points, installation depth, and clearance around moving door components are all important. The product category alone does not confirm mechanical compatibility with a particular vehicle.
A rigid mounting surface helps reduce unwanted vibration. The door trim must not touch the moving part of the speaker. After installation, check that the window mechanism and wiring can move freely without contacting the speaker.
Initial system setup
The amplifier’s input sensitivity control is not a volume control. Begin with a low setting and increase it until the required output level is reached. Stop before the sound becomes audibly harsh or compressed.
For the first listening test, switch off equalisation and any additional bass boost. This makes it easier to assess channel balance and filter operation. Tonal adjustments can then be made to suit the vehicle interior and the listening position.
Technical specifications
| Manufacturer and model | Steg Principe 65C |
|---|---|
| Product type | Set of car mid-bass speakers |
| RMS power | 50 W |
| Maximum power | 70 W |
| Frequency response | 50-10,000 Hz |
| Sensitivity | 86 dB at 1 W / 1 m |
| Nominal impedance | 4 ohms |
FAQ
Can these speakers be connected directly to a car stereo?
Yes, but only if the stereo’s amplified output supports the specified load. It must also provide enough power to produce clean sound. A separate amplifier is required when using a line-level output.
How should I choose a suitable amplifier?
Check the continuous output per channel and the amplifier’s minimum supported impedance. The amplifier must remain stable and should not begin distorting before it reaches the required listening level.
Will a more powerful amplifier necessarily damage the speakers?
No, provided that its input sensitivity is set correctly and the listening volume is controlled. Excessive signal level, distortion, and unsuitable frequency-filter settings can place the speakers at risk.
Will this set reproduce the full frequency range of music?
No. Its upper operating limit does not cover the entire high-frequency range. A suitable tweeter and correct frequency distribution are required for full-range reproduction.
Is a high-pass filter essential?
A high-pass filter helps prevent frequencies below the speakers’ intended operating range from being sent to them. The exact setting depends on the installation and the other components in the system.
Can two sets be used in one system?
Yes, if the amplifier provides enough suitable channels. Multiple speakers should not be connected to a single channel without first calculating the resulting electrical load.
Is this model intended for a home stereo or home cinema system?
It is designed for car audio systems. A compatible electrical load alone does not guarantee suitable installation or satisfactory acoustic performance in a home system.
What should I check before buying these speakers for installation in a car door?
This page does not provide confirmed speaker dimensions or a list of compatible vehicles. Obtain the exact dimensions before purchasing and compare them with the available mounting location in the vehicle.
