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This is the PMC FAQ containing information that relates to home audio and custom install products. Please browse the list and see if your question has been answered.
You should not overtighten the fixings of the drive units as it can distort the chassis or damage the bolt’s thread. The best solution is use a torque wrench using the following settings in Nm:
We are confident your loudspeakers will afford many years of trouble-free listening of the highest order. But in the unlikely event that one or more requires repair, our unique manufacturing procedure, wherein the precise value of each component together with the response of the system as a whole is recorded, will ensure that any replaced parts will exactly match the performance of those originally included within each individual loudspeaker.
Customer DIY upgrades to PMC speakers are strongly discouraged as not only will this invalidate the warranty, it may very likely make your speakers sound worse. Designing PMC speakers takes skilled R&D engineers a great deal of time with the best equipment at their disposal taking all factors into account. Judiciously replacing components can upset the balance of a carefully designed speaker.
DB1 Gold, twotwo5/6, result6, and the ci series have mounting points on the rear panel so they can be used with the BRKT, a PMC bracket that can be purchased as an option. This will allow for ideal positioning. See: https://pmc-speakers.com/products/consumer/hifi-accessories
Because out unique ATL advanced transmission line enclosures, wide dispersion pattern, low harmonic distoring and smooth roll-off, PMC loudspeakers are more forgiving of difficult room conditions and placement constraints than conventional designs. However we encourage you to spend some time experimenting in your own room in order to obtain the best results within any applicable architectural influence upon system performance, especially in the low frequency region.
The following guidelines are suggestions for the initial location of you monitors.
PMC recommend using a high quality thick multi-strand Oxygen Free Copper (OFC) cable between the amplifier and speakers. The use of ‘exotic” cables has limited improvement on sound quality, so we would not advocate spending great quantities of money. However, if you are prepared to spend a great deal of money in this area, we would strongly advice you listen first to determine whether the outlay is worth the improvement.
They are expensive to build due to the labyrinth design within the cabinet and only a few speaker designers have a sufficient understanding in order to produce competent designs. Unfortunately there is no standard formulas, as with sealed and ported designs.
Transmission line, ported and vented designs are three different concepts on how to load the bass driver in a speaker enclosure. Transmission lines and sealed boxes have a 12dB per octave roll off after the resonant frequency, while a vented box has a 24dB per octave roll off. Ported speaker are the most common as they are cheap to build and easy to design, though the quality of the bass reproduction is questionable in many designs and such a steep roll off can have knock on problems further up the frequency range.
The studio version’s are exclusively for professional customers as the matt black paint finish is very hard wearing and robust, which is ideal for vigorous use in a studio like environment.
