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Inovonics 631

1,439.00

Professional FM Relay Receiver

Inovonics’ Model 631 is our second generation of frequency-agile, digitally tuned receivers for FM translator and other critical off-air reception applications.

1,515.00 1,439.00
1,515.00 1,439.00
SKU: 631 FM Relay Receiver Categories: ,
Brands: Inovonics
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Description

Inovonics’ Model 631 is our second generation of frequency-agile, digitally tuned receivers for FM translator and other critical off-air reception applications. Featuring menu-driven access of display and function selections, the 631 provides a switchable IF bandwidth to help solve difficult adjacent-signal problems and readouts of signal strength and multipath distortion to aid antenna alignment. Selectable options and alarms may be remotely controlled or monitored, and high-resolution bargraph readouts give accurate indications of incoming RF and MPX/stereo audio levels.

Additional information

Weight 5 kg
features

Easy to set-up and use

Selectable wide/narrow IF bandwidth

Composite/MPX and balanced L/R stereo outputs

LCD Display

Menu-driven selection of functions and readouts

High-resolution bargraph displays indicate:

MPX and audio levels
Total carrier modulation
Left/Right audio levels
Incoming RF
Multipath distortion

Digitally-tuned

Carrier-loss and audio-loss alarms

specification

TUNING RANGE
87.5 –108.1MHz in 100kHz steps.

ANTENNA INPUT
75-ohm, ‘F’ connector (50-ohm option with ‘N’ connector
available).

RECEIVER SENSITIVITY

MONO: 10μV for 60dB S/N
STEREO: 150μV for 60dB S/N.

RECEIVER SELECTIVITY

WIDE: –6dB at ±140kHz
NARROW: –6dB at ±80kHz

DISTORTION (in MPX or L/R audio)

WIDE: <0.2% THD
NARROW: <0.6% THD

STEREO SEPARATION

WIDE: typ. >40dB
NARROW: typ. >20dB

COMPOSITE/MPX OUTPUT
Unbalanced, 75-ohm BNC; adjustable between 2V p-p and
6V p-p at ±75kHz carrier deviation.

OVERDEVIATION LIMITER
An internal clipping circuit limits the MPX output to a
maximum level equivalent to ±100kHz carrier deviation.

PROGRAM LINE OUTPUTS
Left/Right active-balanced XLR outputs deliver +4dBm at
±75kHz deviation.
Frequency response ±0.5dB, 20Hz–15kHz
de-emphasis set by internal jumpers to 75μs or 50μs.

LOW-SIGNAL MUTING
Composite/MPX and L/R audio muted when incoming RF
falls below the user-programmed LOW-SIG level.

AUDIO LOSS ALARM
Responds to loss of either stereo channel; alarm delay is
user-programmable between 5 seconds and 4 minutes.

FAULT INDICATORS
Front-panel LCD indication of low incoming RF or loss of
program audio. Open-collector NPN transistor switches
enable remote alarm indication via rear-panel terminal strip.

POWER REQUIREMENTS
105-130VAC and 210-260VAC; 50/60Hz; 20W.

SIZE AND SHIPPING WEIGHT
23” x 16” x 2” (2U); 8 lbs
584mm x 406mm x 51mm ; 3.6 kg

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  • Easy to set-up and use
  • Selectable wide/narrow IF bandwidth
  • Composite/MPX and balanced L/R stereo outputs
  • LCD Display
  • Menu-driven selection of functions and readouts
  • High-resolution bargraph displays indicate:
    • MPX and audio levels
    • Total carrier modulation
    • Left/Right audio levels
    • Incoming RF
    • Multipath distortion
  • Digitally-tuned
  • Carrier-loss and audio-loss alarms

Brand

Inovonics

For over 40 years Inovonics has maintained its position as a market leader of innovative broadcast products.

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  • Specifications
  • TUNING RANGE:87.5 –108.1MHz in 100kHz steps.
  • ANTENNA INPUT:75-ohm, ‘F’ connector (50-ohm option with ‘N’ connector available).
  • RECEIVER SENSITIVITY:MONO: 10μV for 60dB S/N
  • STEREO: 150μV for 60dB S/N.
  • RECEIVER SELECTIVITY:WIDE: –6dB at ±140kHz
  • NARROW: –6dB at ±80kHz
  • DISTORTION (in MPX or L/R audio):WIDE: <0.2% THD
  • NARROW: <0.6% THD
  • STEREO SEPARATION:WIDE: typ. >40dB
  • NARROW: typ. >20dB
  • COMPOSITE/MPX OUTPUT:Unbalanced, 75-ohm BNC; adjustable between 2V p-p and 6V p-p at ±75kHz carrier deviation.
  • OVERDEVIATION LIMITER:An internal clipping circuit limits the MPX output to a maximum level equivalent to ±100kHz carrier deviation.
  • PROGRAM LINE OUTPUTS:Left/Right active-balanced XLR outputs deliver +4dBm at ±75kHz deviation.
  • Frequency response ±0.5dB, 20Hz–15kHz
  • de-emphasis set by internal jumpers to 75μs or 50μs.
  • LOW-SIGNAL MUTINGComposite/MPX and L/R audio muted when incoming RF falls below the user-programmed LOW-SIG level.
  • AUDIO LOSS ALARM:Responds to loss of either stereo channel; alarm delay is user-programmable between 5 seconds and 4 minutes.
  • FAULT INDICATORS:Front-panel LCD indication of low incoming RF or loss of program audio. Open-collector NPN transistor switches enable remote alarm indication via rear-panel terminal strip.
  • POWER REQUIREMENTS:105-130VAC and 210-260VAC; 50/60Hz; 20W.
  • SIZE AND SHIPPING WEIGHT:23” x 16” x 2” (2U); 8 lbs
  • 584mm x 406mm x 51mm ; 3.6 kg

Inovonics 631 Datasheet

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