Monitor Audio Radius 225 Owner's Manual

Specifications

Model

Radius 45

Radius 90

Radius 200

Radius 225

Radius 270

Radius One

Frequency Response

120Hz – 20 KHz

80Hz – 35 KHz

60 Hz – 35 KHz

80Hz – 35KHz

50Hz – 35KHz

90Hz – 35KHz

Sensitivity (1W@1M)

87dB

83dB

86dB

87dB

87dB

87dB

Nominal Impedance

8 Ohms

8 Ohms

6 Ohms

6 Ohms

6 Ohm

6 Ohms

Power Handling
Single (RMS)

25W

75W

100W

100W

100W

75W

System Power
Handling (RMS)

50W

100W

100W

150W

150W

100W

Recommended Amp
Requirements

15-50 W

30-100 W

40-150W

40-150W

40-150W

30-100W

Maximum SPL (dBA)

101

105

105

108

108

108

Bass Alignment

Sealed Cabinet

Bass reflex –rear

ported

Bass reflex – rear

ported

Bass reflex – front

ported

Bass reflex – front &

rear ported

C: Bass reflex – front

ported

L/R: Bass reflex –

ported to sides

Drive Unit
Complement

1 x 3” MMP2 cone

mid-bass driver.

1 x 20mm C-CAM

gold dome tweeter

1 x 4” C-CAM cone

bass/ mid driver.

1 x 25mm C-CAM

gold dome tweeter

2 x 4” C-CAM cone

bass/ mid driver.

1 x 25mm C-CAM

gold dome tweeter

2 x 4” C-CAM cone

bass/ mid driver.

1 x 25mm C-CAM

gold dome tweeter

2 x 4” C-CAM cone

bass/ mid driver

1 x 25mm C-CAM

gold dome tweeter

3 x 4” C-CAM cone

bass/ mid driver.

3 x 25mm C-CAM

gold dome tweeter

Cabinet Dimensions
(H x W x D).

100 x 100 x 100mm

(3

15/16

x 3

15/16

x

3

15/16

")

198 x 125 x 140mm

(7

13/16

x 4

15/16

x 5

1/2

")

125 x 330 x 140mm

(4

15/16

x 13 x 5

1/2

")

610 x 140 x 67mm

(24 x 5

1/2

x 2

5/8

")

1000 x 177 x 208mm

(39

3/8

x 6

15/16

x 8

3/16

")

(Inc plinth without spikes)

175 x 980 x 67mm

(6

7/8

x 38

9/16

x 2

5/8

")

External Dimensions
Inc Grille and
Terminals. (H x W x D).

100 x 100 x 124mm

(3

15/16

x 3

15/16

x 4

7/8

")

198 x 125 x 165mm

(7

13/16

x 4

15/16

x 6

1/2

")

125 x 330 x 164mm

(4

15/16

x 13 x 6

7/16

")

610 x 140 x 77mm

(24 x 5

1/2

x 3

1/16

")

1025 x 177 x 208mm

(40

3/8

x 6

15/16

x 8

3/16

")

(Inc plinth with spikes)

175 x 980 x 79mm

(6

7/8

x 38

9/16

x 3

1/8

")

External Dimensions
Inc Grille Bracket.
(H x W x D).

100 x 100 x 162mm

(3

15/16

x 3

15/16

x 6

3/8

")

198 x 125 x 203mm

(7

13/16

x 4

15/16

x 8")

N/A

610 x 140 x 84mm

(24 x 5

1/2

x 3

5/16

")

N/A

175 x 980 x 84mm

(6

7/8

x 38

9/16

x 3

5/16

")

Weight (each)
Kg ( Ib)

1Kg (2lb 4oz)

2.1Kg (4lb 10oz)

3.6Kg (7lb 14oz)

4.2Kg (9lb 4oz)

9.9Kg (21lb 12oz)

7.4Kg (16lb 4oz)