• Markaudio Alpair-7P 5" Full Range Paper Woofer Matched Pair
  • Markaudio Alpair-7P 5" Full Range Paper Woofer Matched Pair
  • Markaudio Alpair-7P 5" Full Range Paper Woofer Matched Pair
  • Markaudio Alpair-7P 5" Full Range Paper Woofer Matched Pair

Markaudio Alpair-7P 5" Full Range Paper Woofer Matched Pair

The Alpair 7P is a audiophile-grade paper and glass strand re-enforced coned driver. Along with its sister drivers, 6P,10P and 12P, the Alpair 7P is designed for the serious music listener. The 7P’s relatively flat-wide response is designed to deliver a n
Article number:
Alpair-7P
Availability:
In stock (3)
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Woofer Series: Alpair Series
Woofer Type: Full-range
Nominal Diameter: 5"
Power Handling (RMS): 20 Watts
Power Handling (max):
Continuous Program Power:
Impedance: 8 ohms
Sensitivity: 87.5 dB 2.83V/1m
Frequency Response: 60 to 22,000 Hz
Voice Coil Diameter: 1"
Magnet Weight:
DC Resistance (Re): 5.4 ohms
Voice Coil Inductance (Le): 0.17 mH
Resonant Frequency (Fs): 73.4 Hz
Mechanical Q (Qms): 2.82
Electromagnetic Q (Qes): 0.61
Total Q (Qts): 0.50
Diaphragm Mass Inc. Airload (Mms): 3.0 g
Moving Mass Of Diaphragm (Mmd) :
Mechanical Compliance of Suspension (Cms):
Surface Area of Cone (Sd): 50.3 cm²
Volume of Displacement (Vd) :
BL Product (BL): 2.5 Tm
Compliance Equivalent Volume (Vas): 0.047 ft.³
Maximum Linear Excursion (Xmax): 4 mm
Driver's Mechanical Losses (Rms) :
Cone / Diaphragm Material: Paper
Surround Material: Rubber
Voice Coil Wire Material:
Voice Coil Former:
Dual Voice Coil:
Basket / Frame Material: Glass-Fibre
Magnet Material: Ferrite
Shielded:
Overall Outside Diameter: 5.31"
Overall Depth : 2.95"
Baffle Cutout Diameter: 4.05"
Bolt Circle Diameter: 4.53"
# Mounting Holes: 4
Mounting Hole Diameter:
Bolt Circle Diameter :
Sealed Volume:
Sealed F3:
Vented Volume:
Vented F3:

The Alpair 7P is a audiophile-grade paper and glass strand re-enforced coned driver. Along with its sister drivers, 6P,10P and 12P, the Alpair 7P is designed for the serious music listener. The 7P’s relatively flat-wide response is designed to deliver a neutral sound. The high range life response is moved to begin its elevation above 17kHz.

 

Highlights

  • Natural Sound
  • Lightweight paper cone
  • Extreme frequency response(60 to 22,000Hz)
  • Sold as matched pairs   

 

Product Details

Markaudio Alpair-7P 5” Full Range Paper Woofer Matched Pair

 

The Alpair 7P is a audiophile-grade paper and glass strand re-enforced coned driver. Along with its sister drivers, 6P,10P and 12P, the Alpair 7P is designed for the serious music listener. The 7P’s relatively flat-wide response is designed to deliver a neutral sound. The high range life response is moved to begin its elevation above 17kHz.

 

Particular attention is paid to the stability of the light-thin cone with bonding reinforcement being deployed on the inner contour of its profile. The 7P’s moving mass is a lightweight 3 grams, yet it retains a long throw operation @ 4mm.

 

An all-new computer controlled assembly bonding process is deployed on this driver, delivering ultra tight tolerances in critical parts of the 7P’s power-train assembly.

 

The 7P can be used as a single-point source driver in purist Full-Range applications, or to partner with the Alpair 12PW, a bass-wide version of the Alpair 12P. The marriage between 7P and 12PW promises much in the way of deep rich bass and fine mid-high range detail. Alpair 12PW + Alpair 7P Plans

 

Running In: First 100 hours low volume background mixed music, no heavy bass. Gradually increase to normal operating levels from 100 hours onwards.

 

The 7P is a “light duty” driver. Max throw = 4mm (1 way) limited by Arrestor.

 

Keep the cone surface away from direct sunlight or any UV source.

 

PRODUCT SPECIFICATIONS

Nominal Diameter

5"

Power Handling (RMS)

20 Watts

Power Handling (max)

- Watts

Impedance

8 ohms

Frequency Response

60 to 22,000 Hz

Sensitivity

87.5 dB 2.83V/1m

Voice Coil Diameter

1"

 

THIELE-SMALL PARAMETERS

Resonant Frequency (Fs)

73.4 Hz

DC Resistance (Re)

5.4 ohms

Voice Coil Inductance (Le)

0.17 mH

Mechanical Q (Qms)

2.82

Electromagnetic Q (Qes)

0.61

Total Q (Qts)

0.50

Compliance Equivalent Volume (Vas)

0.047 ft.³

Mechanical Compliance of Suspension (Cms)

-

BL Product (BL)

2.5 Tm

Diaphragm Mass Inc. Airload (Mms)

3.0 g

Maximum Linear Excursion (Xmax)

4 mm

Surface Area of Cone (Sd)

50.3 cm²

 

MATERIALS OF CONSTRUCTION

Cone Material

Paper

Surround Material

Rubber

Basket / Frame Material

Glass-Fibre

Magnet Material

Ferrite

 

MOUNTING INFORMATION

Overall Outside Diameter

5.31"

Baffle Cutout Diameter

4.05"

Depth

2.95"

Bolt Circle Diameter

4.53"

# Mounting Holes

4

 

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