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Kramer

Kramer Balanced Mono Audio Isolation Transformer

$95.00
$55.06 SAVE $39.94
None availableas of 03/30/2026

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Special orders typically ship in 1-12 weeks.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

The TR-1A is a high-performance isolation transformer for balanced mono audio signals. It completely isolates devices to eliminate hum, ground loops and DC offsets that can degrade the audio quality.

Technical specifications

General Information

Manufacturer Kramer Electronics LTD
Manufacturer Part Number TR-1A
Manufacturer Website Address http://www.kramerelectronics.com
Brand Name Kramer
Product Model TR-1A
Product Name Balanced Mono Audio Isolation Transformer
Product Type Isolation Transformer

Physical Characteristics

Height 1.2"
Width 4.8"
Depth 2.9"
Form Factor Rack-mountable
Rack Width 19"
Weight (Approximate) 7.05 oz

Miscellaneous

Additional Information
  • Input: 1 balanced audio, +4dBu/600Ω on a detachable terminal block.
  • Output: 1 balanced audio, +4dBu/600Ω 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.

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Special order item. This item ships direct from the manufacturer and cannot be cancelled once ordered. If you have any questions before ordering, ask us first: chat with us or call 1-800-692-8757.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.