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Dimensions

20cm (8") High-Power Speaker

WS-AT80E

2-Way 20cm (8") bass reflex speaker system

Smooth response with high power handling capacity 

(continuous program/RMS), 160 W/80 W

High-frequency driver utilizes new SCWG (Square Contour

Wave Guide) horn.

High impact molded resin enclosure.

Six-sided trapezoidal design with built-in handle.

Equipped with thermal protection circuit

Has  1/4 TRS phone jack and push wire-type terminals.

SPECIFICATIONS

Speaker Type

2-way, bass-reflex

Input Impedance

Power Handling Capacity

80 W (RMS EIA-RS426A), 160 W (continuous program)

Sensitivity

92 dB (1 m/1 W)

Frequency Response

70 Hz~20 kHz

Crossover Frequency

2,000 Hz

Drivers

LF : 20cm (8") woofer 

HF : 60˚ x 60˚ SCWG horn / compression driver

Dispersion

60˚ (horizontal) x 60˚ (vertical)

Dimensions

405 (H) x 280 (W) x 243 (D) mm

Weight (approx.)

7.5 kg

Input Terminal

1/4 TRS phone connector

push-type wire terminal

Mounting Hardware

Forged Eye Bolts

Effective power measured by the test method prescribed by EIA (Electronic Industries Association) 
RS-426-A (1980).  (The test signal is white noise passed through a RC high pass filter with a time 
constant of 4 msec. and a RC low pass filter with a time constant of 5 msec.) 

8-M8

128

128

405

280

243

Net

Directivity

Frequency Response

Unit: mm

Vertical

Horizontal

0

0 -10 -20

+10dB

+10dB

-30

-30 -20 -10 0

500Hz

1kHz

2kHz

4kHz

500Hz

1kHz

2kHz

4kHz

0 -10 -20

+10dB

+10dB

-30

-30 -20 -10

110

100

90

80

70

60

50

40

30

20

20

50 100 200 500 1k 2k

5k 10k 20k

Hz

dB

IMPEDANCE

OUTPUT SPL

2ND H.D.

3RD H.D.

Dimensions

20cm (8") High-Power Speaker

WS-AT75E-K

2-Way 20cm (8") bass reflex speaker system

Smooth response with high power handling capacity 

(continuous program/RMS), 160 W/80 W

High-frequency driver utilizes new SCWG (Square Contour

Wave Guide) horn.

High impact molded resin enclosure.

Six-sided trapezoidal design with built-in handle.

Equipped with thermal protection circuit

SPECIFICATIONS

Speaker Type

2-way, bass-reflex

Input Impedance

Power Handling Capacity

80 W (RMS EIA-RS426A), 160 W (continuous program)

Sensitivity

93 dB (1 m/1 W)

Frequency Response

70 Hz~20 kHz

Crossover Frequency

2,000 Hz

Drivers

LF : 20cm (8") woofer 

HF : 60˚ x 60˚ SCWG horn / compression driver

Dispersion

60˚ (horizontal) x 60˚ (vertical)

Dimensions

374 (H) x 260 (W) x 228 (D) mm

Weight (approx.)

6.5 kg

Input Terminal

push-type wire terminal

374

228

260

150

192

Unit: mm

Effective power measured by the test method prescribed by EIA (Electronic Industries Association) 
RS-426-A (1980).  (The test signal is white noise passed through a RC high pass filter with a time 
constant of 4 msec. and a RC low pass filter with a time constant of 5 msec.) 

0 -10 -20

+10dB

+10dB

-30

-30 -20 -10 0

0 -10 -20

+10dB

+10dB

-30

-30 -20 -10 0

500Hz

1kHz

2kHz

4kHz

500Hz

1kHz

2kHz

4kHz

dB

100

110

90

80

70

60

50

40

30

20

10

20

50

100 200

500 1k

2k

5k 10k 20k

Hz

(1W . 1m)

OUTPUT SPL

IMPEDANCE

2ND H.D.

3RD H.D.

Vertical

Horizonatal

Directivity

Frequency Response

Input terminals

(push-type wire terminal)

Input terminals

(1/4 TRS phone jack
replaceable with XLR
connector and push
-type wire terminal)

S P E A K E R   S Y S T E M S

PUBLIC ADDRESS

RAMSA

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