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SOUNDFOCUS FM
™
SYSTEM SPECIFICATIONS
FM TR
ANSMITTER
, MO
DEL
PFM T31
Dimensions: 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm)
W
eight: 4.4 oz (125 g) with battery
Color: Royal blue, shatter-resistant polypropylene
B
attery Type: Two (2) AA 1.5 V Non-rechargeable Alkaline batteries (BAT 001), 70 mA nominal current drain, 12 hours approx. life
(
OR)
Two (2) AA 1.5 V Ni-Cad Rechargeable batteries (BAT 026), 70 mA nominal current drain, 10 hours per charge
a
pprox., recharges in 14–16 hours, uses CHG 200 Charger
O
perating Freq’s: Selectable, 10 channels, 72.1 – 75.9 MHz, internal DIP switch
Stability: + .005%, frequency synthesized, crystal reference, PLL
M
odulation: Wide-band FM, 75 kHz, 75 µS pre-emphasis
RF Output: 8000 µV/m at 30 m, max., 40 mW typical
FCC ID: CNM T31
F
req Response: 100 to 10 kHz, + 3 dB at 1% max. THD
Signal–Noise Ratio: 55 - 60 dB, with R31 or R32 Receiver
A
uto Gain Control: 40 dB range, 30 mV threshold
T
ransmit Antenna: Integral with 40" microphone cord
Micr
ophone: Omnidirectional condenser, Lavalier-type, 40" cord, 3.5 mm mono phone plug (MIC 063)
C
ontrols: On/Off switch and Mic Mute Switch, slide-type
Mic Connector: 3.5 mm mono phone jack
SOUNDFOCUS FM RECEIVER/AMPLIFIER/SPEAKER, MODEL R800
D
imensions & Weight: 8.375" H x 5.5" W x 5.75" D (21.3 x 14 x 14.6 cm), 4.5 lbs, (2.04 kg)
P
ower Requirements: 1
10-125 VAC, 50/60 Hz
F
CC ID: C
NM R800
Operating Frequency: Six-Channel Selectable, 72.1, 72.5, 72.9, 75.7,74.7,75.3 MHz
F
M Deviation: ± 75 kHz, 75 µS de-emphasis
AFC Range: ± 300 kHz
Sensitivity: 2 µV at 12 dB Sinad with squelch defeated, squelches at 10 µV for min. 50 dB S/N ratio
Frequency Response: 100 to 10 kHz, ± 3 dB
Signal-to-Noise Ratio: 50 dB at 10 µV
Receive Antenna: Flexible “rubber duckie”-type
Controls: Power On/Off, FM On/Off, Volume, Bass, Treble, FM Channel
Rated Power: 12 Watts, continuous, 4Ω w/ (1) SPK 800: 6W per spkr; w/ (2) SPK 800: 4W per spkr; w/ (3) SPK 800: 3W per spkr;
Frequency Response: 65 Hz to 20 kHz ± 3 dB
Distortion: less than 0.05% at rated power
Tone Controls: Bass: +8/-12 dB at 100 Hz, Treble: +10/-12 dB at 10 kHz
Line Input: Unbalanced, RCA, 200 mV min. for 12 Watts output, 2.5 K input impedance
Line Output: 10 dB < Line Input with > 1 K Load
Type: 4" woofer, 1.75" dome tweeter, 4Ω
Maximum SPL: 103 dB at 1 meter
OPTIONAL PERSONAL RECEIVERS, MODELS PFM
R31 & PFM R32
Dimensions 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm)
Weight: 4.6 oz (130 g) with batteries
Color: Royal blue, shatter-resistant polypropylene
Battery Type: Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 14 mA nom. current drain, 80 hours approx. life
(OR)
Two (2) AA 1.5 V Ni-Cad rechargeable batteries (BAT 026), 14 mA nominal current drain, 50 hours per charge
approx., recharges in 14–16 hours, uses CHG 200 Charger
FCC ID: CNM R31
Operating Freq’s: Pre-Tuned, Field–tuneable, 72 MHz - 76 MHz.
Pr
e-set channels ar
e E (72.9 MHz) and G (75.7 MHz)
FM Deviation: Wide-band, 75 kHz, 75 µS de-emphasis
AFC Range: ± 120 kHz
Sensitivity:
4
µ
V at 12 dB Sinad with squelch defeated, squelches at 10
µV for min. 50 dB S/N ratio
Freq Response: 100 to 10 kHz, + 3 dB
Signal–Noise Ratio: 50 dB at 10 uV
Receive Antenna:
Integral with earphone cor
d
Audio Output: 35 mW, max. at 16 Ω
Output Connector: 3.5 mm mono phone jack
Squelch: Set to turn off audio under weak or no signal condition
Carrier Detect Ind: Red LED, turns on in the presence of a carrier
Controls: Volume: rotary/on/off/volume; Tone: 3-way slide switch; Lo = flat response (20 Hz), Mid = –3 dB at 235 Hz, Hi = –3 dB
at 730 Hz; Channel: 2-way slide switch; Ch 1 = 72.9 MHz, Ch 2 = 75.7 MHz
Indicators:
On/of
f and FM
Note:
Specifications are electrical performance
PFM R31 Receiver Only
Mic Connector: 3.5 mm mono phone jack, supplies positive DC for Williams Sound electret mics
Microphone: Plug mount electret, omnidirectional, with windscreen, 3.5mm mono phone plug (MIC 014)
Mic Volume:
Rotary contr
ol
Williams Sound Corp.
10399 West 70th St., Eden Prairie, MN 55344-3459
U.S.A. 800-328-6190 / 612-943-2252 / FAX: 612-943-2174
© 1995, Williams Sound Corp. MAN 045D