REFLEX HORNS
AND DRIVER UNITS
TH-650 |
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-660 |
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DESCRIPTION
TOA's TU Series Driver Units are designed to be used in combination with TOA's TH-650 or TH-660 round horn. The TH/TU combined speaker can be used for both indoor and outdoor applications, as well as for background music reproduction. The lineup includes four models rated at 30 W (TU-630 and TU-630M) and 50 W (TU-650 and TU-650M). The "M"-type models are designed for use in high-impedance (70V/100V lines) systems and standard models for lowimpedance (16 Ω ) systems. This wide product lineup permits selection of the ideal speaker for most applications.
TU Series driver units feature newly developed diaphragms employing special heat-resistant fibers impregnated with phenolic resin to prevent the diaphragm from absorbing moisture and changing shape. High speaker efficiency has also been realized by minimizing the gap produced when the diaphragm bobbin is installed in the magnetic circuitry slit. The aluminum foil bobbin also features excellent heat dissipation properties to resist high power inputs and ensure high speaker durability.
High-impedance models are equipped with an input impedance selector switch which facilitates impedance settings without requiring disassembly. The switch is also equipped with an OFF position to prevent speaker damage resulting from incorrect impedance setting.
TH Series horns have two types of 500 mm and 600 mm in diameter. Both types feature TOA's round shape to ensure high speech clarity and sound quality suitable for music reproduction.
All external hardware (screws, bolts, nuts) are made of stainless steel, while the mounting bracket and the horn itself are treated with 50-micron thick powder paint coating which is about three times thicker than that of the conventional horns.
All of these factors combine to ensure the speaker's excellent weatherproofing and corrosion resistance. In addition, the external horn flare is made of aluminum which is more shockresistant than resin.
FEATURES
TU Series Driver Units
●Both high-impedance (70V/100V lines) models and lowimpedance (16 Ω ) models available.
●Two power ratings: 30 W and 50 W.
●Input impedance selector on high-impedance models facilitates input impedance matching from the outside.
●Gray color (corresponding to RAL 7042) helps driver units match off-white horns.
●Compliance with IP65.
TH Series Horns
●External stainless steel hardware (screws, bolts, nuts), and powder-coated horn and bracket ensure superb weatherproofing and corrosion-resistance.
●Shock-resistant aluminum round horn.
●Unobtrusive two-tone colors (off-white color corresponding to RAL 9010:horn, and gray corresponding to RAL7042: bracket) help speakers blend in with surroundings.
TU-630
TU-650
TU-630M
TU-650M
TU-630/TU-630M TH-650
TU-650/TU-650M
CHARACTERISTIC DIAGRAMS
TU-630/TU-630M+TH-650
Frequency Response (1W/1m)
[dB] |
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120 |
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110 |
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100 |
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SPL |
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90 |
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80 |
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70 |
500 |
1k |
5k |
10k |
20k |
100 |
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Frequency |
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[Hz] |
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Directivity Factor vs. Frequency
[Q]
100
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50 |
Factor |
5 |
Directivity |
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10 |
1 |
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50 |
100 |
500 |
1k |
5k |
10k |
20k |
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20 |
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Frequency |
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[Hz] |
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Beamwidth vs. Frequency (-6dB down point)
|
[deg] |
Beamwidth |
200 |
50 |
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100 |
10 |
50 |
100 |
500 |
1k |
5k |
10k |
20k |
20 |
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Frequency |
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[Hz] |
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Polar Response |
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0° |
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0° |
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10 |
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10 |
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30° |
0 |
330° |
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30° |
0 |
330° |
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-10 |
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-10 |
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60° |
|
-20 |
300° |
60° |
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-20 |
300° |
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-30 |
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-30 |
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-40 |
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-40 |
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270° |
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270° |
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90° |
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90° |
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-40 |
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-40 |
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-30 |
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-30 |
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120° |
|
-20 |
240° |
120° |
|
-20 |
240° |
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-10 |
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-10 |
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0 |
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0 |
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150° |
|
210° |
|
150° |
|
210° |
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10 |
2000Hz |
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10 |
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180° |
1000Hz |
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8000Hz |
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500Hz |
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4000Hz |
TU-650/TU-650M+TH-650
Frequency Response (1W/1m)
[dB] |
|
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|
|
120 |
|
|
|
|
|
110 |
|
|
|
|
|
100 |
|
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|
|
SPL |
|
|
|
|
|
90 |
|
|
|
|
|
80 |
|
|
|
|
|
70 |
500 |
1k |
5k |
10k |
20k |
100 |
|||||
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Frequency |
|
|
[Hz] |
|
|
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|
|
Directivity Factor vs. Frequency
|
[Q] |
|
100 |
|
50 |
Factor |
5 |
Directivity |
|
|
10 |
1 |
|
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|
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|
20 |
50 |
100 |
500 |
1k |
5k |
10k |
20k |
||
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Frequency |
|
|
[Hz] |
||
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|
||
Beamwidth vs. Frequency (-6dB down point)
|
[deg] |
Beamwidth |
200 |
50 |
|
|
100 |
10 |
50 |
100 |
500 |
1k |
5k |
10k |
20k |
20 |
|||||||
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Frequency |
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|
[Hz] |
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||
Polar Response |
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||
|
|
0° |
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|
0° |
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|
10 |
|
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|
10 |
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|
30° |
0 |
330° |
|
30° |
0 |
330° |
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|
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||
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|
-10 |
|
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|
-10 |
|
60° |
|
-20 |
300° |
60° |
|
-20 |
300° |
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|
-30 |
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|
|
-30 |
|
|
|
-40 |
|
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|
-40 |
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|
|
270° |
|
|
270° |
|
90° |
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|
90° |
|
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|
-40 |
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|
-40 |
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|
-30 |
|
|
|
-30 |
|
120° |
|
-20 |
240° |
120° |
|
-20 |
240° |
|
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||||
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|
-10 |
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|
-10 |
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|
0 |
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|
0 |
|
|
150° |
|
210° |
|
150° |
|
210° |
|
|
10 |
2000Hz |
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|
10 |
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|
180° |
1000Hz |
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|
8000Hz |
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500Hz |
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|
4000Hz |
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