
Ampex AG-440
The Ampex AG-440 is an analog multitrack recorder. No technical specifications are available. Its alternate names include ag440, a 440, and a440. Nothing else is verifiable.


The Ampex AG-440 is an analog multitrack recorder. No technical specifications are available. Its alternate names include ag440, a 440, and a440. Nothing else is verifiable.

The Gemini DJ MM-1000 is a 3-channel analogue mixer. It offers no EQ, no effects, no headphone output, no crossfader, and no cueing. It exists only to sum three line-level signals and send them to one output. Its value lies entirely in its simplicity and reliability — not in versatility or sonic character.

The Ampex MM-1200 is an analog multitrack recorder. No technical specifications exist for it. That absence defines its limits.

The Ampex ATR-100 is a mastering-grade analogue tape recorder introduced in Spring 1976 at the AES Conference in Los Angeles. Designed exclusively for stereo or quadraphonic mixdown and mastering, it features a servo-controlled direct-drive-capstan transport and interchangeable headblocks for quarter-inch or half-inch tape. Its wow and flutter performance set a new standard for analogue accuracy. It does not support multitrack recording. No verified claims exist about recordings made on it, its users, or its sonic signature beyond accuracy.