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Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Kramer Electronics TR-1A Specifications

  • Input

    1 balanced audio +4dBu/600Ohm on a detachable terminal block

  • Output

    1 balanced audio +4dBu/600Ohm on a detachable terminal block

  • Max. Output Level

    +26dBu

  • Bandwidth (-3db)

    20Hz to 20kHz

  • S/N Ratio

    -83dB @+4dBu/1kHz

  • Controls

    DIP-switches to connect to chassis

  • Coupling

    Transformer

  • Audio THD + Noise

    <0.025% @+4dBu/1000Hz

  • Dimensions (W x D x H)

    12.1cm x 7.2cm x 3cm (4.77" x 2.85" x 1.2")

  • Weight

    0.34kg (0.75lbs) approx

  • UPC Code

    7291063028596

About Kramer Electronics TR-1A

The TR-1A Balanced Mono Audio Isolation Transformer from Kramer Electronics is designed for use with balanced mono audio signals. This unit provides complete isolation between devices, thus eliminating hum, ground loops and DC offsets that can degrade 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.

Kramer Electronics TR-1A Features

  • Audio Transformer: Use this device to isolate balanced mono audio signals between devices to eliminate hum, ground loops and DC offsets that can degrade 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

Key Features

  • Audio Transformer
  • Eliminates hum ground loops and DC offsets
  • Isolates balanced mono audio signals
  • External input/output terminals selected w dip switch
  • Receives power passively, requires no power supply
  • Passive Power

What's in the box:

  • Kramer Electronics TR-1A Audio Isolation Transformer
  • Mounting Brackets
  • Kramer Electronics Warranty