TEAC V-R1

Commentary

Auto-reverse cassette deck with dbx.

Dbx is installed as a noise reduction system.
When recording sound that exceeds the allowable dynamic range of a tape (55 to 60 dB), dbx compresses the sound level to 1 / 2 of the original sound level in decibels. During playback, dbx expands the level back to 2 times to achieve a dynamic range of 110 dB. In addition, dbx can reduce the noise level by 30 dB to 40 dB over the entire band, eliminating noise from the tape to a level that is not audible.
This dbx is essentially different from other frequency-varying NR systems in that it performs linear logarithmic compression and expansion, eliminating the need for level matching and pilot tone due to the sensitivity difference of the tapes used.

The tape reversal mechanism uses TEAC's unique I. R. (infrared) combination tape sensor.
This system uses infrared rays to optically detect the boundary between the recording tape and the reader tape, and the phototransistor quickly catches the reflected infrared rays and instantly completes the inversion. This sensor realizes a high-speed quick reverse of approximately 0.4 seconds.
In addition, micro-computer control is adopted for switching the tape running to suppress noise when reversing.

A fixed 4-track head has been adopted for the head to ensure stable running.
Since the 1st / 2nd track is used for forward (A-plane travel) and the 3rd / 4th track is used for reverse (B-plane travel), no excessive load is applied to the head part.

A hard permalloy head is used for the recording / reproducing head, and a double-gap ferrite head is used for the two erasing heads for the forward and reverse heads, in order to cope with metal tapes.

The basic mechanism of tape travel employs a 3-motor configuration with a high-precision DC servo motor exclusively for the capstan, a DC motor exclusively for the reel, and a DC motor for mechanical drive.
Operation noise is minimized by not using a solenoid, and the 3S mechanism of soft, smooth and silent is realized.

The amplifier has a DC configuration that reduces the number of capacitors in the signal system, so that noise in the signal transmission system and sound blurring due to phase change can be eliminated.
In addition, the equalizer amplifier, microphone amplifier, headphone amplifier and meter amplifier all use a ± 2 power source DC configuration amplifier circuit to improve sound quality.

Equipped with a block repeat mechanism that repeats continuously 6 times.
The microcomputer memorizes the start memory (at the beginning of the repeated block) and stop memory (at the end), and playback and rewind are repeated between these blocks.
The microcomputer judges the shortest distance for all rewinding, and the block repeat mechanism operates over both sides AB and AB.

Equipped with a CPS (Computomatic Program System) mechanism that allows you to skip over and select only the songs you want to listen to.
With this function, the microcomputer skips over other songs and searches automatically. Up to 15 songs can be selected automatically in both directions through the AB plane.

You can choose from three tape running modes : normal and normal one way recording and playback, reverse and reciprocating recording and playback, and endless playback.

It is equipped with a touch fader control function that switches between High and Low two speed.
In addition, a self-illuminated scale indicator is used.

Equipped with 4-digit LED counter.

Peak hold type 16 dot LED level meter level meter (with FINE SETTING LEVEL display)

It has a volume for line output.

Equipped with a 3-stage switchable (BIAS/EQ) selector.

It comes with a wired remote control, so you can operate the general operation mode, CPS mechanism for music selection by skipping and block repeat mechanism from your hand.

Model Rating

Type	Cassette deck
Track format	4-track, 2-channel
Heads	3 (1 Record / Play, 2 Erase)
Tape used	C-30 ~ C-90
Tape speed	4.8cm/s
Motor	For Capstan : Electronically Controlled DC Motor For Reel : DC Motor Mechanism : DC Motor
Drive system	Bidirectional twin capstan
Wow and flutter	0.045%(Wrms)
Early winding time	Approximately 90 Seconds (C-60 Tape)
Frequency characteristic	30 Hz ~ 19 kHz (Metal Tape)
Overall signal-to-noise ratio (3% THD level, WTD)	59dB(NR out) 69 dB (Dolby NR in, 5 kHz or higher) 91dB(dbx in)
Dynamic range	110 dB (dbx in, 1 kHz)
Input Sensitivity / Impedance	Microphone : 0.25mV/-72dB/200 Ω or more compatible Line : 60mV/50k Ω
Output Level / Impedance	Line : 0.3V/50k Ω or more Headphone : 8 Ω
Pwer	100 VAC, 50Hz/60Hz
Power consumption	20W
External dimensions	Width 436x Height 113x Depth 275 mm
Weight	6.3kg
Attachment	Wired Remote Control RC-95