MOUNTING INFORMATION:

Overall Diameter

285

mm

Mounting Bolt Circle Diameter

268

mm

Number and Size of Bolts

4

M5

Baffle Cutout Diameter

253

mm front mount

Baffle Cutout Diameter

245

mm rear mount

Depth

109

mm below front flange

Depth

121

mm total depth

Weight

8.65

Kg.

On axis response curve representative of a typical production unit

THIELE-SMALL PARAMETERS:

Fs

47

Hz

Re

5.5

ohms

Qa

2.2

 

Qe

0.12

 

Qt

0.11

 

Vas

60

litres

Xmax

0.44

mm

Sd

299

cm2

Vd

13

cm3

Le

0.4

mH

SUGGESTED ENCLOSURES: (Reflex)

APPLICATION:

 

MIDRANGE LOUDSPEAKER 250mm (10")
Midrange in PA Systems

FEATURES: The M2500.1 and M2500.2 are high power midrange units designed for use in the most demanding professional applications. They have a smooth response with very low levels of colouration and complete freedom from cone breakup modes at high levels, The magnet is massive and rear vented. The M2500.1 is designed for use with the Volt VH10 horn for increased efficiency and controlled dispersion. The M2500.2 has an additional linen dustcap to optimise response smoothness as a direct radiating midrange unit.

SPECIFICATIONS:

 

Nominal Diameter

250

mm

Power Capacity

200

watts

Sensitivity

99

dB/watt/m

Frequency Range

200-4500

Hz

Impedance

8/16

ohms

Bl Factor

18.5

N/A

Voice Coil Diameter

75

mm

Voice Coil Material

 

Copper

Maximum Excursion

20

mm (before damage)

Magnet Assembly Weight

8.1

Kg

Effective Moving Mass

0.027

Kg

Compliance

0.00043

M/N

Volume displaced by unit

2

litres

Connection

  

Metal Push Terminals

Chassis

 

Painted Diecast Aluminium

Volume Litres

Vent dia. cm.

Vent length cm.

System
Q

-3db freq. Hz.

1.5

SEALED

BOX

 

320

3.6

7.5

1.9

5

175

We reserve the right to amend specification without prior notice.
Made in England by Volt Loudspeakers Ltd.