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Samson Technologies was founded 20 years ago when they introduced some of the first affordable wireless technology ever. The latest line of wireless gear in that tradition: Concert 77. UHF quality diversity wireless that anyone can afford.
CR77 Wireless Receiver
This true-diversity half-rack unit with PLL frequency control works with all Concert 77 wireless systems. Rugged, durable and crystal clear with incredible range. UHF (Ultra High Frequency) means clearer frequencies with less interference. Diversity reception means no dropouts. Concert 77 represents sophisticated wireless technology at great prices.
CT7 Belt-Pack Transmitter
For use with all other Concert 77 Systems. This compact and simple-to-use belt-pack has on/off and level control.
Guitar System
For guitarists who want to go crazy on stage. With the GC32 guitar cable and a Concert 77 Receiver, you'll never go back to cables.
Features
True Diversity UHF Wireless System with PLL Frequency Control
Multi-segment Audio level, RF level and A/B Antenna Operation LED meters
Squelch control eliminates carrier signal noise and RF interference
Tuned molded antennas for accurate reception
XLR and unbalanced 1/4 in. outputs with mic/line level output switch
Specifications
Receiver (CR77)
Type of Reception: Single Superheterodyne, True Diversity
Oscillation Type: Synthesized PLL Frequency Control
D-emphasis: 50 sec
IF Frequency: 10.7 MHz
Antenna: 1/4 Wavelength Rod
In/Out: DC Inlet, Balanced Output, Unbalanced Output
Display (LED): Antenna A/B (Green), Power On (Red), Peak (Yellow), RF Level (5 pc)
Level Controls: Volume, Squelch
Operating Voltage: 12 Volts + 10 %
Current Consumption: 160 mA (at all LED lights)
Receiving Frequency Range: 801 - 805 MHz
Sensitivity: 18 dB @ THD 2%
Squelch Sensitivity: 0 - 40 dB (Adjustable)
Selectivity: 150 kHz (AF Out Ratio -60 dB)
S/N Ratio (Overall): 90 dB (w/ IHF-A fi lter)
Residual Noise: 90 dBv (w/ IHF-A fi lter)
Band Mute: 50 kHz / 100 kHz (RF IN: 46 dBu EMF)
AF Frequency Response: 50 Hz - 15 kHz (3 dB overall)
Audio Output Level - Unbalanced: 0 dBv
Audio Output Level - Balanced: -20 dBm (Line), -40 dBm (Mic) Switch
Selectable
Audio Output Impedance/Unbalanced: 5 k Ohms
Audio Output Impedance/Balanced: 600 Ohms
Dimensions: 8.5 in. (w) x 1.75 in. (h) x 4.6 in.(d) 216 mm (w) x 44 mm (h) x 116 mm (d)
Weight: .75 lb / 340 g
Transmitter (CT7)
Oscillation Type: Synthesized PLL Frequency Control
Pre-emphasis: 50 sec
Antenna: 1/4 Wave Length Wire (permanently attached)
Input: TB3M QG (Mini XLR) Connector
Maximum Input Level: 3 V p-p
Battery: Duracell MN 1604 9-volt alkaline
Switches/Controls: Power On/Off, Audio On/Off, AF Level
Display (LED): Battery Low/Mid/High (<5.3V/5.3-7V/7V)
Operating Voltage: 9 Volts +20%/-40%
Current Consumption: 47 mA
RF Power: 10 mW
Frequency Stability: + 20 kHz
Spurious Ratio: 2.5 nW
Deviation: 20 kHz (16.5 kHz-23.5 kHz)
T.H.D. (Typical): 0.5%
AF Frequency Response: 50 Hz - 15 kHz (3 dB overall)
Battery Life: 12 Hours
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