Williams Sound PPA R7 用户手册
Personal PA
®
FM Receiver, Model PPA R7
©2005, Williams Sound Corp. MCAT 010A
Williams Sound
®
Helping People Hear
2
The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from
the receiver. The receivers shall be a body-pack type and include a belt-clip case for hands-free operation. The receiv-
er shall have a 3.5 mm mono phone jack and accommodate low-impedance mono earphones, headphones and neck-
loop telecoil couplers. The 3.5 mm phone jack shall also serve as a charging jack for rechargeable batteries.
the receiver. The receivers shall be a body-pack type and include a belt-clip case for hands-free operation. The receiv-
er shall have a 3.5 mm mono phone jack and accommodate low-impedance mono earphones, headphones and neck-
loop telecoil couplers. The 3.5 mm phone jack shall also serve as a charging jack for rechargeable batteries.
Receiver frequencies shall be pre-tuned and adjustable by means of an internal tuning coil. A four-channel receiver
model shall be available for use with the system.
model shall be available for use with the system.
The receivers shall receive FM signals in the 72-79 MHz audio assistance band with 75 µS de-emphasis. The receivers
shall provide a maximum output of 250 mW at 16 ohms with an earbud-type earphone. The system electrical frequen-
cy response shall be 100 Hz to 10 kHz, ±3 dB and the signal-to-noise ratio shall be 50 dB at 10 µV.
shall provide a maximum output of 250 mW at 16 ohms with an earbud-type earphone. The system electrical frequen-
cy response shall be 100 Hz to 10 kHz, ±3 dB and the signal-to-noise ratio shall be 50 dB at 10 µV.
The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and
chargers. The receiver model shall be the Williams Sound Corp. model PPA R7.
chargers. The receiver model shall be the Williams Sound Corp. model PPA R7.
Bid Specs:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!