HANDHELD MICROPHONE SYSTEM
ARCHITECT’S & ENGINEER’S SPECIFICATIONS
The CR77 from Samson shall be a UHF true diversity
wireless audio receiver to be used with any of our Airline
wireless transmitters. The CR77 shall be a ½ rackspace
receiver that can also be used as a stand-alone receiver.
The CR77 is supplied with a 12 volt DC power supply.
The CR77 shall have a front panel level control, squelch
control, power switch, antenna A and B, and 6 segment
audio and RF metering. The rear panel of the CR77 shall
have balanced XLR and ¼ inch unbalanced outputs with
mic/line level switching. The CR77 shall operate in the
801-805mHz.
PRODUCT SPECIFICATION SHEET
SERIES
DESCRIPTION
CATEGORY
AIRLINE 77
CR77 WITH AX1
WIRELESS
CR77 SPECIFICATIONS
Frequency Response ......................... 50 Hz - 15 kHz (±3 dB overall)
Receiving Frequency Range ............... 801 – 805 MHz or 863 –
865 MHz
Sensitivity....................................... 18 dBm (@ THD 2%)
T.H.D. (Overall) ................................ 1% Max (@AF 1 kHz,
RF 46 dBu)
S/N Ratio (Overall) ........................... 90 dB (with IHF-A Filter)
Dimensions (W × D × H) .................... 8.5˝ × 4.55˝ × 1.69˝
216mm × 115.75mm × 43mm
1.69”
4”
.92”
2.6”
8.5”
+
_
A
E
L
F
VEL
M NI
MAX
ARCHITECT’S & ENGINEER’S SPECIFICATIONS
The AX1 transmitter from Samson shall be a UHF wireless
transmitter for use with any standard dynamic microphone
The AX1 shall operate on a single AAA battery and get
approximately 14 hours battery life. The AX1 shall have XLR
female connector to plug into a dynamic mic allowing use
of the dynamic mic as a wireless mic. The AX1 shall have
a power switch with LED indicator that flashes on to show
power up and then goes out to extend battery life. The AX1
shall have a mic gain control inside, accessible by removing
the battery cover. The AX1 shall work in the 800mHz range.
AX1 SPECIFICATIONS
Operating Power Voltage ................... 1.5V Typical, 1.05V Minimum,
2V Maximum
Current Consumption ........................ 60mA Typical
Battery Life ..................................... 14 Hours (AAA Battery)
RF Output Power (5mW) .................... -4 dB Minimum,
+3 dB Maximum
Frequency Stability .......................... -40 kHz Minimum,
40 kHz Maximum
Spurious ......................................... 1μW
Modulation Factor ............................ 13 kHz Minimum, 15 kHz
Typical, 17 kHz Maximum,
Input 1 kHz @ -20 dBv
Input Impedance (Mic) ...................... 2kΩ
THD....... . ........................................ < 2% (1 kHz deviation 15 kHz)
Audio Frequency Response ................ 50 Hz – 15 kHz (±3.5 dB)
Controls ......................................... Power Switch, Volume
Input...... ........................................ XLR (Female)
Indicators ....................................... Power On (LED Flash),
Low Battery (LED On)
