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Kramer TR-3 Video & Balanced Stereo Audio Isolation Transformer

B&H # KRTR3 Mfr # TR-3
Usually ships in 7-10 business days

Availability Details

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This item is usually Drop Shipped from the MFR/Distributor within 7-10 business days (subject to availability). Your order will be charged at the time of placing the order with the vendor. Item is non-cancelable and non-returnable.

International Orders*
For international orders, credit cards will be charged at time you place your order.

Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $172.00
Product Highlights
  • Video & Audio Isolation Transformer
  • Composite Video
  • Balanced Stereo Audio
  • External Input & Output Ground Terminals
  • Passive Power
  • Standalone or Rackmount Use

The TR-3 Video & Balanced Stereo Audio Isolation Transformer from Kramer is designed for use with composite video and balanced stereo audio signals. This unit provides complete isolation between devices, thus eliminating hum, ground loops, and DC offsets that can degrade video and audio quality. It is well suited for use in broadcast and production facilities, staging & field work, duplication studios, and other similar settings and uses.

The transformer features external input and output ground terminals. Moreover, grounding options can be selected with a dip switch. The unit receives power passively and no power supply is required. It belongs to the Kramer TOOLs family of products and up to (3) units can be mounted side by side in a standard 19" equipment rack by using the optional RK-3T rack kit.

Video & Audio Transformer
Use this device to isolate composite video and balanced stereo audio signals between devices to eliminate hum, ground loops, and DC offsets that can degrade video and audio quality.
Ground
It features external input and output ground terminals and grounding options can be selected with a dip switch.
Passive Power
This unit receives power passively and requires no power supply.
Standalone or Rackmount
It is equally well suited for standalone or rackmount use.
Construction Metal
Finish Black
Input (1) composite video, 1Vpp/75 Ohms on a BNC connector
(2) balanced audio +4dBu/600 Ohms on detachable terminal blocks
Output (1) composite video, 1Vpp/75 Ohms on a BNC connector
(2) balanced audio +4dBu/600 Ohms on detachable terminal blocks
Output Level Video: 4Vpp / 75 Ohms (maximum)
Audio: +26dBu (maximum)
Bandwidth Video: <10Hz to 5.8MHz (-3dB)
Audio: -3dB AUDIO: 20Hz to 20kHz (-3dB)
Differential Gain 0.05%
Differential Phase 0.05°
K-Factor <1.2%
Signal-to-Noise Ratio Video: 73dB
Audio: -83dBu @+4dBu/1000Hz
Control Dip switches to connect to chassis
Tilt 0.1% @ pulse & bar
Nonlinearity 0.1%
Coupling Video: transformer
Audio: transformer
THD & Noise 0.025% @+4dBu/1000Hz
Power Not specified by manufacturer
Dimensions (HxWxD) 1.2 x 4.77 x 2.85" (3 x 12.1 x 7.2cm)
Weight 0.75 lbs (0.34kg)
Kramer TR-3 Video & Balanced Stereo Audio Isolation Transformer
  • Transformer
  • Set of Mounting Brackets
  • Seven-Year Warranty Against Defects in Material & Workmanship
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