Ampex AX 50

The Ampex AX-50 is a vintage professional reel-to-reel stereo tape recorder designed for high-fidelity audio enthusiasts and semi-professional use during the early 1970s.

Technical Overview:

• Track System: 4-track, 2-channel stereo/monaural system.

• Tape Speeds: 1⅞, 3¾, and 7½ inches per second (ips).

• Frequency Response: 20 Hz to 20 kHz at 7½ ips, covering the full audible spectrum.

• Wow and Flutter: Approximately 0.15% at 7½ ips, providing stable playback.

• Signal-to-Noise Ratio: 55 dB.

• Total Harmonic Distortion: 2.5%.

• Crosstalk: About 45 dB.

• Outputs: 1V line output, headphone jack on the front.

• Inputs: Dual microphone inputs on the front, line inputs on the back for left and right.

• Controls: Sliding controls, push-button style transport functions, and auto shut-off.

• Construction: Robust die-cast frame housed in a walnut wood case with a dust cover, giving a professional appearance.

• Dimensions: Approx. 16.3" x 14.9" x 17.7" (LxWxH).

• Weight: Around 28.5 lbs (13 kg).

• Other Features: Dual capstan drive for improved tape stability, tape lifters to protect heads, and VU level indicators.

Usage and Performance:

• Designed to offer professional build and sound quality in a compact footprint.

• Suitable for stereo recording, playback, and high-fidelity music applications.

• Appreciated for its solid construction, warm analog sound, and reliable operation.

• May require servicing and cleaning over time due to age and mechanical complexity.