Ampex FF 4460

The Ampex FF 4460, also known as part of the F44 "Fine Line" Series, is a professional tube-based reel-to-reel tape deck with the following key technical characteristics:

• Tape Format & Channels: Quarter-track stereo, designed for 1/4-inch tape.

• Tape Speeds: Two speeds available — 7.5 ips and 3.75 ips — typical of professional analog tape recorders of its era.

• Electronics: Tube amplification providing warm analog sound with a classic tube sonic character.

• Frequency Response: Approximately 50 Hz to 15 kHz at 7.5 ips with a ±2 dB tolerance.

• Tape Transport: Utilizes a hysteresis motor, offering smoother and more stable tape movement compared to earlier induction motor designs.

• Heads: Three ferrite heads for recording/playback, using permalloy material for durability and fidelity.

• Dimensions & Weight: Larger and heavier than the FF 4470, measuring approximately 17.5 x 15 x 9.5 inches and weighing about 36 pounds.

• Signal-to-Noise Ratio: About 53 dB, delivering respectable noise performance for a tube-based deck.

• Wow and Flutter: Approximately 0.15% at 7.5 ips, consistent with other high-quality tape decks of the time.

• Output Power: Around 1.5 watts per channel, suitable for monitoring applications.

• Design Notes: Known as a rugged, portable, and reliable professional deck designed in the early 1960s with a leatherette suitcase-style appearance, suited for field and studio work.

This model was part of the last generation of Ampex's tube-powered portable professional tape recorders, featuring dual VU meters and refined electronics over previous models, making it well-regarded for professional stereo recording with analog warmth and stability