TEAC 505R
TEAC
Japan
Tape Deck Details
Number of Motors
3
Number of Heads
3
Head Configuration
Stereo
Wow & Flutter
0.15% at 7½ ips
Signal-to-Noise [dB]
45
Dimensions [mm]
Weight [kg]
18
Year built
1963-1966
Head Composition
Permalloy
Equalization
NAB
Frequency Response
At 7½ ips: 30Hz - 18kHz
Speed
3¾, 7½
Max Reel [inch]
7
Tracks
1/4 Rec/PB
Price
User
Consumer
Additional Information
The TEAC 505R is a 4-track stereo reel-to-reel tape deck produced in the mid-1960s (circa 1963–1966) in Japan.
Track and Head System
4-track, 2-channel stereo/monaural quarter-track format.
Heads: one 2-track playback, one 4-track playback, one 4-track record, and one 4-track erase head.
Auto-reverse operation achieved by switching between forward and reverse playback heads.
Tape Transport and Motors
Three motors:
One capstan motor (belt-driven) for precise tape speed control.
Two reel motors for tape winding and tension control.Tape speeds: 3¾ ips (9.5 cm/s) and 7½ ips (19 cm/s).
Supports 7-inch reels.
Timing accuracy: approximately ±0.15% to ±0.5%.
Wow and flutter: about 0.15% at 7½ ips.
Weight: approximately 37–40 lbs (17–18 kg).
Frequency Response and Sound Quality
Frequency response: 50 Hz to 15 kHz at 7½ ips.
Signal-to-noise ratio: around 45 dB.
Output: 1 V line level.
Noise reduction: not built-in but compatible with external units.
Inputs and Outputs
Line input and output via RCA connectors.
Microphone inputs available.
Headphone output included.
Additional Features
Auto-reverse mechanism using a mechanical loop on the tape reel to trigger direction change.
Solid build typical of TEAC’s semi-professional decks of the era.
Dimensions: approximately 16¼ x 14⅛ x 6⅜ inches (WxHxD).
Compatible with matched external amplifiers for enhanced system integration.