Cerwin-Vega owner manual UHF PRO Plus System Specifications, 12T-680 Series

12T-680 Series

OperatigFrequencT-680 Series Transmitter Specifications

Emission/Modulation			494-608, 614-806 MHz
RFFrequencyStability			Direct FM, crystal controlled, 180KF3E; 75-kHz maximum deviation
RFOutputPowe			± 0.002%
SpuriousRadiation			150 mW, nominal or 40 mW nominal, depending on version
AudioProcessor:			40 dB below carrier, minimum; typically 50 to 55 dB below carrier
AcousticInputRange			DYNEX®III
			At maximum gain typically 112 dB SPL for onset of compression; maximum
	Controls:		acoustic input: 143 dB SPL
	Indicator		Power on/off, microphone on/off, microphone gain
ModulationLimiting(Compressor):			Audio compression
			Per FCC requirements; “soft” compressor action, 25 dB range; typically system
	Antenna:		distortion is less than 0.4% at 25 dB compression
	Battery		Patented* Internal dipole
Working		Lenth	9-V alkaline, Duracell MN1604 recommended
			1,700 ft under good conditions; 500 ft or more under typical conditions with
	Response:		Depends upon microphone element and electronics; 90 Hz to 15 kHz, ± 1.5 dB, 120
	Weight:		Varies by model, from 9.85 in (25 cm) to 10.75 in (27.3 cm)
			Varies by model, from 9 oz (256 g) to 13.5 oz (385 g), including battery
	UHF PRO PLUS System Specifications
with R-662A	-Rag:662B receivers
AudioFrequency			standard whip antennas
			Hz to 12 kHz, ± 0.75 dB (units include highpass filter to minimize handling noise;
TotalHarmonic			extended low-frequency response available on special order)
IntermodulationDistortion:			<0.25%, 400 Hz, nominal input level
UltimateS/N:			<0.25% (SMPTE 60/7,000 Hz, 4:1)
			Microphone off: 101 dB (flat), minimum; 108 dB typical, A-weighted. Microphone
			on: varies by element type and gain setting, typically over 100 dB (A-weighted) at
DynamicRange:			normal gain settings.

Varies by element type and gain setting; typically over 100 dB; over 125 dB with

*gain adjustment

Patent #4,344,184 issued August 10, 1982

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