Koss T-1
Monitoring Matching High to Low Impedance Transformer

The Koss T-1 is a vintage early-1970s audio accessory called a Monitoring Adapter, designed for tape recorders.
It contains internal matching transformers to convert high-impedance sources (600 to 10,000 ohms from tape decks) down to a low 4-ohm output suitable for vintage stereophones.

Key Features:
Inputs: RCA line-level inputs for connection to tape recorders.
Outputs: Standard 1/4-inch stereophone headphone jacks.

Cleaned & Tested - No Issues

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