TOA pj-304 Guide De Spécification

Page de 2
Architect's and Engineer's Specifications
PJ-64
The speaker shall be a bass-reflex 5" (12cm) cone type suitable for 
ceiling and wall mounting. Input impedance shall be easily 
adjustable with rotary switch on the upper side of the speaker.
The speaker shall include a transformer having multiple taps (1W, 
3W, 6W at 100V and 0.5W, 1.5W, 3W at 70V) adjustable. The 
output sound pressure level at a distance of 1m with a 1W input 
level applied shall be 90 dB SPL. The speaker shall have a 
frequency response of 100 – 18,000Hz (-20dB).
The speaker enclosure shall be constructed of HIPS resin. The 
grille shall be constructed of surface-treated steel plate net. The 
speaker shall be available in off-white colour, and shall be easily 
repaintable. The unit shall have dimensions of ø186 
× 369 (H) mm 
(ø 7.32” 
× 14.33”), and a weight of 1.5 kg (3.31 lb). 
The speaker shall be a TOA model PJ-64
PJ-304
The speaker shall be a bass-reflex 5" (12cm) cone type, with a 
balanced-dome tweeter, suitable for ceiling and wall mounting. 
Input impedance shall be easily adjustable with rotary switch on 
the upper side of the speaker.
The speaker shall include a transformer having multiple taps (5W, 
10W, 15W, 20W, 30W at 100V and 70V, and 8
Ω) adjustable. The 
output sound pressure level at a distance of 1m with a 1W input 
level applied shall be 91 dB SPL. The speaker shall have a 
frequency response of 70 – 20,000Hz (-20dB).
The speaker enclosure shall be constructed of HIPS resin. The 
grille shall be constructed of surface-treated steel plate net. The 
speaker shall be available in off-white colour, and shall be easily 
repaintable. The unit shall have dimensions of ø186 
× 369 (H) mm 
(ø7.32” 
× 14.33”), and a weight of 2.1 kg (4.63 lb). 
The speaker shall be a TOA model PJ-304.
110
100
90
80
70
60
50
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
SPL (dB)
SPL vs. Frequency
Directivity Factor vs. Frequency
20
10
5
10
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
Directivity F
actor (Q)
200
100
50
20
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
Beamwidth (deg)
Beamwidth vs. Frequency
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
16000Hz
12500Hz
10000Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
4000Hz
3150Hz
2500Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
8000Hz
6300Hz
5000Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
2000Hz
1600Hz
1250Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
1000Hz
800Hz
630Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
500Hz
400Hz
315Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
16000Hz
12500Hz
10000Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
4000Hz
3150Hz
2500Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
8000Hz
6300Hz
5000Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
1000Hz
800Hz
630Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
500Hz
400Hz
315Hz
60
°
30
°
0
°
330
°
300
°
270
°
240
°
240
°
180
°
150
°
120
°
90
°
10
0
-10
-20
-30
-40
-40
-30
-20
-10
0
10
2000Hz
1600Hz
1250Hz
110
100
90
80
70
60
50
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
SPL (dB)
SPL vs. Frequency
Directivity Factor vs. Frequency
20
10
5
10
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
Directivity F
actor (Q)
200
100
50
20
20
50
100
500
1k
5k
10k
20k
Frequency (Hz)
Beamwidth (deg)
Beamwidth vs. Frequency
PJ-64
Polar Response
PJ-304
Polar Response
Specifications are subject to change without notice.
Printed in Japan (0708) 833-52-381-30 u
 TEI Rev1
TOA Corporation
www.toa.jp