Finally an analog crossover again
It is difficult to optimally integrate bass loudspeakers or subwoofers. At present, there are almost only digital crossovers for this purpose. But who wants to convert back to digital in an analog high-end playback chain? Our Crossover sets the crossovers anew.
Crossing over
The crossover is divided into two sections: The Low section for the bass loudspeaker or subwoofer (mono or stereo) and the Mid-Hi section for the top/main speakers.
The crossover frequencies for Low and Mid-Hi can be set individually from 50 Hz to 120 Hz in 6 positions.
The Low filter has a slope of 24 dB per octave. The slope of the MID-HI filter can be switched from 12 dB to 24 dB.
In Phase
Audio signals should come from the top speakers and bass loudspeakers or subwoofers in phase. The crossover offers variable phase control for this purpose.
Use the toggle switch to activate the phase control (phase 0° or phase -180°) and use the control to establish simultaneousness.
If the phase control is not required, it can be switched off and thus disappears completely from the signal path.
One or two?
If you want to connect two bass loudspeakers or subwoofers (one for L and one for R), this switch should be set to stereo.
If you only use one bass loudspeaker or subwoofer, switch to mono. The crossover creates a mono signal of the Low frequencies and outputs it to both Low outputs (L + R).
On or off?
If you prefer to run the top/main speakers full-range, you can switch off the MID-Hi filter.
Get rid off it
With the Low Cut filter all frequencies below 20 Hz can be filtered out.
This way, the power amplifier does not have to amplify inaudible low frequencies and the loudspeaker is relieved.
As long as you’re having fun
The playback volume of the bass loudspeaker or subwoofer can be varied from -10 dB to +10 dB.
In addition to the purely corrective adjustment of the speaker system, you can add more bass into recordings that lack low end.
“Happiness is when the bass kicks in.”
Good ol’ times
Two mechanical VU meters visualize the input levels for the left and right audio channel.
With the VU switch you can optimize the display for different signal levels.
Source of joy
The Crossover offers both balanced inputs with XLR sockets and standard inputs with gold-plated RCA sockets.
Low & Mid-Hi
On the output side, the power amplifiers or active loudspeakers as well as bass loudspeakers or subwoofers are connected to the Low & Mid-Hi output sockets by means of balanced XLRs.
This means that even long cable runs to e.g. mono power amps placed next to the speaker are possible without the risk of interference.
Everything under control – AMP CTL
The standby mode for up to four devices with 12V trigger input can be switched on and off via AMP CTL, together with the Crossover (AMP CTL Out). This is especially useful for connecting power amplifiers. But also the standby mode of the Crossover itself can be switched on and off by a preamplifier, such as the Director Mk2 or the Phonitor x, via AMP CTL (AMP CTL In).
Sounds good
With all devices of the Professional Fidelity series we develop not only according to plan, but also by ear. Many important components are installed on the circuit boards using Through-hole technology. This way we can ensure that we can use the best sounding components.
The VOLTAiR Technology
The 120V technology is our reference technology. The 120V technology is unique in the world. It operates at a DC voltage of 120 volts. This is four times that of IC-based semiconductor op-amps. In our Professional Fidelity series, we refer to this unsurpassed technology as VOLTAiR technology.
The highest possible audio quality requires the highest possible audio operating voltage.
The 120V technology works with +/-60 V. To be able to handle such a high voltage, we have developed special proprietary operational amplifiers that can operate with a DC voltage of +/-60 V: the SPL 120V SUPRA operational amplifiers. This high voltage would destroy conventional components and operational amplifiers.
The 120V technology achieves exceptional technical specifications and sonic benefits. Technically, in terms of dynamic range, signal-to-noise ratio and headroom. Sonically, in terms of richness of detail and an absolutely relaxed listening experience.
By the way, the “120V” in the name of the technology has nothing to do with the local mains voltage from the mains power socket. This is about the operating voltage inside the device with which the audio signals are processed.
The mains voltage from the mains power socket is transformed to the required secondary voltage in the device’s internal linear power supply with toroidal transformer. Rectifiers convert this AC voltage into DC voltage required in the audio device.
| Color Options | Black, Silver, Red |
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Prompt Delivery and Professional Packaging
Our long-standing partnership with UPS FedEx DHL and other global carriers lets us offer a range of shipping services. Our warehouse staff is extremely skilled and will package your items according to our precise and exact specifications. Your goods will undergo an extensive inspection and be safely packaged prior to being sent out. Each day, we ship to thousands of customers in many countries. The fact that we are committed to becoming the biggest online retailer in the World is clear. These warehouses are in Europe in the same way as they are in USA.
Note: Orders that include more than one item are assigned a processing period depending on the item.
Before shipping, we will inspect thoroughly the items you have ordered. Most orders are shipped within 48 hours. Expected delivery time is between 3-7 days.
Returns
Stock is dynamic. It's not entirely managed by us since we are involved with multiple entities, including the factory and the storage. The actual stock can change at any moment. It is possible that your order may be out of stock once the order has been placed.
Our policy lasts for 30 days. We cannot exchange or refund your order if it has been 30 days from the date of purchase.
For your item to be returned it must be in its original packaging, unopened and in the condition you received it. The item must be in its original packaging.
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