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Markaudio Alpair-7A-Grey Cone 4" Full Range
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Price: $85.00
Product ID : alpair-7a-grey
Manufacturer: Markaudio
Weight: 2.50 lbs
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Description

Markaudio Alpair-7 4" Full Range Grey Color Cone with Excursion Arrestor

The Alpair 7A Gen. 3 represents a large step forward in the design and production of “extended” fullrangeaudio drivers. In its size class, this Alpair 7 currently delivers the widest frequency range*. Theusable range now extents to 32-kHz above 80dB, thatʼs higher than many tweeters!

This Alpair 7A has an advanced damping systems such that it delivers a “near flat” response across itsrange. The 7 employs a rear ring-clamped suspension system and a new torque loaded rearsuspension (spider). Both these components add pre-tension to the power-train. The result is improvedlinearity and damping on the moving components.

The rear magnet cover can be removed. The covers magnetic attraction keeps it attached to the main driver body. Simply pull away from the driverʼs main body, no tools are needed to do this job. Removalhelp those box makers who design shallow cabinets or wish to optimise internal box volumes. Theperformance change with the cover removed is small, so the installation choices for the end user isoptimal. The frameʼs front cover is also made removable. While we recommend its use, the frameʼsdiameter is minimised to 130-mm, helping box those who want to make slimmer box designs.

The acoustic performance of this driver is solidly placed in the “purist-audiophile” category. Its cone andpower-train are the most micro-resonance sensitive made by Markaudio to date. With the rear and frontcovers attached, the driver has a SPL of near 86dB while retaining an X-max of +4-mm available forpeak non-rhythmic bass loads. In a optimised box design, the system can be made capable ofoperating from 40-Hz to 32-kHz, possibly a unique performance for a simple cone driver in its size andclass. The off axis responses and central stereo image emitted from this Alpair 7 are possibly best inclass. Its cone profile and under-hung front suspension allow for a clean wide acoustic image making iteasier to optimse box positioning in most listening environments.

The Alpair 7A Gen. 3 is near unique (if not totally unique). Its range, near flat response and specialdesign features set it apart from other full-range driver of similar size.

Features

  • Two colour choices, gun-metal grey and classic gold.
  • Drivers are packed in pairs with 2 X 2mm thick seals and 8 X 22-mm long Hex head wood screws.
  • Handling Donʼt touch the cone or cap. These are delicate components.
  • Running in period The Alpair 7 has advanced suspensions that require careful running in: Donʼt use any kind of artificially generated sound signal. Hours 1 to 20. Low volume vocal and light music, no heavy bass. Hours 21 to 120, gradually increase the volume to normal listening levels and gently introduce rhythmic bass music. Patience and care will bring musical rewards.
  • Excursion Arrestor sounds when exceeding excursion limits

Easy Installation

New standard hole M4 metric hole size. The Alpair 7 comes supplied with high quality Hex drive black powder coated wood screws and a 2-mm PVA cabinet seal for easy installation.

Link to Markaudio Webite Construction Plans

Link to planet10-hifi Construction Plans

Small to medium sized speakers are usually lower power designs. The power rating is given in the technical data for each audio driver. For a reliable long service life, please operate your new speakers with care. For the first 100 hours, operate them at very low volumes. After this period, gradually increase the volume to a normal listening level. If you see the cone of the speakers making large movements, immediately turn the volume down. This will protect the speaker and your human hearing from damage. Factory mechanical defects for a period of 1 year. Excessive hard use (over-driving) and other damage caused during customer use is excluded from our warranty.

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