Ampex FF 4450
Ampex
USA
Tape Deck Details
Number of Motors
1
Number of Heads
3
Head Configuration
Stereo
Wow & Flutter
0.15% at 7½ ips
Signal-to-Noise [dB]
53
Dimensions [mm]
330 x 381 x 190
Weight [kg]
12.7
Year built
Head Composition
Permalloy
Equalization
Frequency Response
50 Hz to 15 kHz at 7½ ips
Speed
3¾ , 7½
Max Reel [inch]
7
Tracks
1/4 Rec/PB
Price
User
Consumer
Additional Information
The Ampex FF-4450, or F-44 Fine Line, is a tube-based, professional-grade 4-track portable stereo reel-to-reel tape recorder produced circa 1964-1967. It was the last consumer tube model from Ampex and represented significant improvements over earlier models.
Technical Specifications:
Track System: 4-track, 2-channel stereo/monaural.
Tape Speeds: 3¾ and 7½ 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.
Audio Output Power: About 1.5 watts per channel (model F-4470 variant).
Head Configuration: Three heads (erase, record, playback) constructed of permalloy.
Motor: Uses a hysteresis synchronous motor, an improvement over earlier induction motors.
Controls: Dual meters for monitoring, replaceable heads, sturdy transport mechanism.
Dimensions: For F-4452 model, approximately 13 x 15 x 7½ inches (330 x 381 x 190 mm).
Weight: Around 28 lbs (12.7 kg) for the F-4452; larger F-4460 model weighs 36 lbs (16.4 kg).
Usage: Portable stereo recording with studio-quality fidelity and warm tube sound.
Features and Notes:
The F-44 Fine Line was notable for portability and professional-grade features combined, making it useful in field recording and semi-professional use.
It incorporated Ampex’s hysteresis motor technology for stable and accurate tape movement.
The 4-track configuration supports stereo recording or playback of professional tapes.
It has mechanical robust build quality with a strong focus on reliable operation and consistent sound quality.
The Ampex FF-4450 (F-44 Fine Line) represents a last-generation professional tube reel-to-reel tape deck by Ampex with good sound quality, reliable operation, and field portability. Its solid technical design, hysteresis motor, and 4-track capability made it practical for semi-professional and mobile recording applications in the mid-1960s.
It is appreciated by vintage collectors and analog tape enthusiasts for its warm tube sound and solid build, while its technical specs hold well in comparison to contemporaries from the era.