GT400

About the GT400

The TRL, Inc. GT-400 is a HiFi audio component from the era of classic technical audio equipment. It features capabilities for playing mono and stereo records and FM broadcasts, with output jacks for tape recordings and auxiliary playback. The unit includes advanced features for its time such as multiple IF stages with phase-linear fixed filter concept, high AM rejection, and a military-type tuning gang with silver-plated ceramic spacers. It supports various modes including stereo, stereo reverse, and monophonic channel selections. The amplifier section delivers up to 140 watts music power at 4 ohms and 100 watts at 8 ohms, with low distortion and noise levels. Inputs include phono, tape, and auxiliary, with outputs for recording and amplifier channels. The front panel includes stereo headphone jacks and a professional zero-center tuning meter. Overall, the GT-400 represents a sophisticated integrated tuner-amplifier unit from its time, designed for high fidelity audio reproduction with multiple user controls and connectivity options.