Category:Mid High Fidelity
Country of Manufacture:Japan
Release dates:1979 - 1984
Original Price: $700
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 3
Dimension: 17 x 14.3 x 10.3" (432 x 364 x 262mm)
Head Composition: Permalloy
Head Configuration: Stereo
# Motors: 3
Frequency Response:( 3dB): 7½ ips: 30Hz - 28kHz 3¾ ips: 30Hz - 20Khz
Wow and Flutter:0.03% at 7½ and 0.04% at 3¾ ips (NAB weighted)
Signal-to-Noise Ratio:63dB (3%THD level, weighted)
Sound quality rating:6 / 10
Long-term reliability rating: 6 / 10
Weight: 39.7 lbs (18 kg)
The X-7 and X-7R were smaller, 7″ reel capacity versions of the X-10 series, which could accommodate 10½ ” reels. They were three-motor, two speed tape decks available in two versions:
X-7: quarter-track stereo, single direction record andplayback, three heads, 7½ and 3¾ ips.
X-7R: quarter-track stereo, bi-directional record and playback, three heads, 7½ and 3¾ 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 Mark II Version was introduced a few years later.
If you own an X series Teac you may want to read the Service Considerations detail on capstan motor issues.
Heads (3) Playback, Record & Erase
Motors (3) DC Brush with FG servo for capstan, two DC slotless for reels
Max. Reel Size 7″
Tape Speeds 3 3⁄4 7 1⁄2 ips
Wow and Flutter 0.03% at 7½ and 0.04% at 3¾ ips (NAB weighted)
Frequency Response 7½ ips: 30Hz – 28kHz – 3¾ ips: 30Hz – 20Khz
Signal to Noise Ratio 63 dB (3%THD level, weighted)
Total harmonic distortion (overall) 0.8% at 1,000Hz normal operating level
Dimensions 17 x 14.3 x 10.3″ (432 x 364 x 262mm)
Weight 39.7 lbs (18 kg)
Rewind Speed 150 seconds for 1800ft