Ampex FF 4452

The Ampex FF-4452 is a professional-grade tube-based reel-to-reel tape deck and part of the Ampex F-44 Fine Line series, produced around 1964-1967. It is known as the last consumer tube amplifier model from Ampex’s Professional Division.

Key Technical Specifications:

• Track System: Four-track, two-channel (stereo).

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

• Frequency Response: 50 Hz to 15 kHz ±2 dB at 7½ ips.

• Wow and Flutter: Approximately 0.15% at 7½ ips.

• Signal-to-Noise Ratio: Around 53 dB.

• Head Design: Three permalloy heads (record, playback, erase).

• Motor: Hysteresis synchronous motor replacing older induction motors for improved tape transport consistency.

• Outputs: RCA line outputs.

• Dimensions: 13 x 15 x 7½ inches (330 x 381 x 190 mm).

• Weight: 28 lbs (12.7 kg).

• Additional Features: Dual VU meters replacing the single switchable meter from earlier models.

• Sound Power Output: Approximately 1.5 watts per channel (model F-4470 variant).

Features and Performance:

• The FF-4452 offers stereo recording and playback with warm tube-driven sound quality, typical of the era.

• It features robust construction with a focus on professional, reliable operation.

• Noted as portable with high-fidelity audio performance suitable for both field and studio use.

• The hysteresis motor improved tape speed stability compared to prior models.

• It remains highly collectible for vintage audio enthusiasts due to its legacy and sound characteristics.

The Ampex FF-4452 is a robust and refined tube reel-to-reel tape deck offering warm, professional-grade stereo sound with dependable transport mechanics and flexible speed options. It represents the pinnacle of Ampex’s consumer tube decks and is valued by collectors and analog enthusiasts for its sound and vintage charm.​

This tape deck combines the best of mid-1960s professional and portable tape technology in a user-friendly design.