PROFESSIONAL SOUND SYSTEM
Operating Instructions
Speaker System
Super Woofer System
Model SR-F1
Model SR-L1
GENERAL DESCRIPTION
SR Series loudspeakers from TOA are compact integrated
speaker systems for use in sound reinforcement applica-
tions with an emphasis on quality sound and durability,
and for easy transportation.
The SR-F1 speaker system and the SR-L1 super woofer
system provide a wide frequency response and high pow-
er handling capacity. The system can be composed with
the SR-F1 to reproduce the low/high frequency range and
the SR-L1 to reproduce the super-low frequency range.
These speakers are used with the AC-F1 or the AC-L1
Electronic control unit.
The SR-F1 reproduces transcient response characteristics
in the low frequency range more one ranking up magnet
than that of 30cm (12") woofer used up to this time.
The driver unit for the SR-F1 is used the HFD-651 high
power driver unit improved for the system, and LE Series
Constant directivity (CD) horn ensures a uniform sound
dispersion pattern (60° horizontal by 40° vertical).
The 38cm (15") woofer of SR-L1 ensure ultra-linear to
super-low frequency range with a 72mm (2.8") diameter
voice coil driven by powerful double magnets. Bass reflex
ports are tuned to the optimum conditions by computer
allowing the woofer to provide maximum performance.
The SR-F1 provides each two fixing metals for the suspen-
sion (Aeroquip made) on top and bottom boards.
The enclosure is made by APITON plywood, and the rug-
ged enclosure finished with FRP (Fibre reinforced plastic)
coating is shock-resistant to transport it on the road.
Cannon EP-4-14 is used for input connectors enabling to
perform the quick and secure system up at site. The SR-F1
is designed to change the pin number combination from
the SR-L1. If the SR-L1 connector is wrongly connected to
the SR-F1, sound is not reproduced.
The SR-F1 is designed to make an angle of 15° at both
sides of the enclosure. When lining up two speakers or
more, they are in all directions and mutual interference is
reduced in high frequency range.
FEATURES
SR-F1 features
1. Electronic-controlled system with the AC-F1 Electronic
control unit.
2. High power capacity of 120 watts continuous pink noise
for low frequency and 80 watts for high frequency.
3. 30cm (12") woofer using a larger magnet.
4. HFD-651 type high power driver with LE Series Con-
stant directivity (CD) horn (60° horizontal by 40° vertic-
al).
5. Fixing metals for suspension provided on top and bot-
tom sides of the enclosure.
6. Provided an angle of 15° at both sides of the enclosure
to prevent mutual interference in high frequency range.
SR-L1 features
1. Electronic-controlled system with the AC-L1 Electronic
control unit.
2. High power capacity of 300 watts continuous pink
noise.
3. Ultra-linear, high power 38cm (15") woofer.
4. Bass reflex enclosure tuned to optimum conditions by
computer.
General features
1. Cannon EP-4-14 input connector.
2. APITON plywood enclosure with rugged FRP coating.
3. Removable punched metal front grill.
