SPECIFICATIONS
APPEARANCE AND DIMENSIONAL DIAGRAM
Microphone Impedance &
Sensitivity
Speaker Impedance
Line Impedance
Audio Frequency Range
Calling Tone Signal
Output Level
Current Consumption
Operating Temperature
Dimensions (W x H x D)
Weight
1k-ohm/-68dB omnidirectional electret
condenser microphone
8 ohms (External speaker is required)
600 ohms balanced
500Hz to 3.5kHz
Depends on external speaker provided
18mA (LED), 83mA (Lamp)
0°C to 6O°C (32°F to 140°F)
185 x 382 x 89mm
7.3 x 15.0 x 3.5 inches
3.4kg (7.5 Ibs. )
ARCHITECT’S AND ENGINEER’S SPECIFICATIONS
The master station shall be a splashproof surface-mounted TOA
HF-670M and shall be capable of reliable hands-free operation in
extremely noisy or dusty areas. Private conversations shall be made
possible by use of the HS-670 handset unit. The master station shall be
able to communicate with all master stations in the system.
The HF-670M shall be equipped with 13 operating keys, eavesdropping
OPTIONAL ACCESSORIES
TC-101A
PAM-05
Paging Horn Speaker for HF-670M
5W Booster Amplifier for HF-670M
SPECIFICATIONS
Input
10 watts
Impedance
8 ohms
S.P.L. (at 1kHz)
120dB/10W/m
Frequency Response
315Hz to 12.5kHz
Dispersion
188° horizontal, 190° vertical
Sensitivity as Microphone
-24dBm
(0dB—1mW/10 dynes/cm)
Weight
0.8kg (1.8 Ibs.)
Finish
Horn Flare: Aluminum, gray
Inner Horn & Rear Cover: ABS resin, dark gray
Bracket and Bolts: Stainless steel
Dimensions
Horn Flare (W x H): 172 x 126mm
(6.8 x 5.0 inches)
Length: 148mm (5.8 inches)
*The TC-151A (15W) and TC-301A (30W) paging horn speakers are also available for the use
with the TC-101A.
HS-670
Handset Unit for HF-670M
SPECIFICATIONS
Microphone Impedance
Speaker Impedance
Output Level
Power Consumption
Material
Weight
500 ohms
200 ohms
-72dB
3.3mA
ABS resin
550g (1.21 Ibs.)
protection with an in-use lamp, and pre-adjustable microphone level
sensitivity and output level volume controls. A separate speaker such as
the TOA TC-101A shall be required. High level paging shall be made
possible in conjunction with the TOA PAM-05 booster amplifier unit and
the DS-100 DC power supply unit.
The PAM-05 is a 5W booster amplifier for
the
external PA speaker on the
HF-670M industrial-use hands-free master station.
SPECIFICATIONS
Power Source
DC + 24V to be supplied externally
Current Consumption
0.1A or less at no signal
0.5A or less at rated output
output
5 watts (8 ohms load)
Frequency Response
Within 30Hz–10kHz, ±3dB
Input Reception
2.8V (Highest vol.)
Input Impedance
2k ohms, balanced
Speaker Impedance
4 to 8 ohms
Distortion
Less than 3%
DS-100
DC Power Supply Unit for HF-670M
The DS-100 DC power supply unit is required
on
the HF-670M industrial-
use hands-free master station when turning on the display lamp or using
the PAM-05 5W booster amplifier unit.
SPECIFICATIONS
Power Source
AC mains, 50/60Hz
Voltage Output
DC 22V
Current Output
0.5A
Input Capacity
Standard: 17VA, Max.: 20VA or less
Finish
Case: Leather steel plate (Black)
Weight
1.3kg (2.9 Ibs.)
*Specifications are subject to change without notice
TOA Corporation
Printed in Japan 833-63-026-10
