Model:X-10R Mk II
Category:Mid High Fidelity
Country of Manufacture:Japan
Release dates:1981 - 1987
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 10.5"
Number of heads: 6
Head Composition: Permalloy
Head Configuration: Mono - Full Track
# Motors: 3
Voltage(s): 100v Japan, 110-120v, 220-240v
Outputs: RCA, DIN, 1/4" Headphone
Sound quality rating:7 / 10
Long-term reliability rating: 7/ 10
The X-10R MkII Was an upgraded version of the X-10R, introduced in 1981.
The X10 series were 3 motor, 2 speed tape decks available four versions:
X-10: quarter-track stereo, single direction record and playback, three heads, 7½ and 3¾ ips)
X-10R: quarter-track stereo, bi-directional record and playback, six heads, 7½ and 3¾ ips
X-10R Mk II: quarter-track stereo, bi-directional record and playback, six heads, 7½ and 3¾ ips (Later Model with Improvements)
X-10M: (Mastering) half-track stereo, single direction record and playback, three heads, 15 and 7½ ips)
Features common to all were: dual capstan drive, 4-digit tape counter, mic/line mixing capability, record mute function button, two large, base-lit VU meters, ±6% speed pitch control, timer start and track record select for recording one track at a time (multi-tracking).
A frequency generator servo DC motor maintained a constant tape speed and electromagnetic braking was used on the reel motors.
There was provision for connecting an external dbx noise reduction unit and a remote control.
If you own an X series Teac you may want to read the Service Considerations detail on capstan motor issues.
Website with lots of pictures showing belt replacement and more.
Track System Quarter-track Stereo
Heads Three: 2x Erase, 2x Record and 2x Playback
Motors (3) Capstan motor – FG DC servo – Reel motors – 2 x DC Slotless
Frequency Response (3dB) 40Hz – 22kHz at 7½ips
Wow & Flutter 0.05% at 7½ ips
S/N ratio – playback 50dB at 7½ ips LH tape
Channel separation 50dB min at 1kHz
Adjacent track crosstalk 40dB min at 125Hz
Harmonic Distortion at 1kHz and at 7½ ips, 0.8% or less
Bias Frequency 100kHz
Rewind Speed 80 seconds or less for 550m (1800ft)