Teac X-3R - SPECIFICATIONS AND SERVICE DATA; SPECIFICATIONS; SERVICE DATA

X-3R
1 SPECIFICATIONS AND SERVICE DATA
SPECIFICATIONS
Track system 4-track two-channel stereo
Head system 3 heads: erase, record, playback
Reel size 7” and 5”
Tape speed 19 cm/s (7-1/2 ips) and 9.5 cm/s (3-3/4 ips)
Inputs (level and impedance)
MIC: Specified input level: —60 dB (0.775 mV)/10 kohms
Min. input level: —70 dB (245 pV)
LINE IN: Specified input level: —12 dB (195 mV)/50 kohms
Min. input level: —22 dB (61.5 mV)
Outputs (level and impedance)
OUTPUT: Specified output level: —5 dB (436 mV)/10 kohms
Max. output level: +1 dB (0.869 V)
PHONES: Specified output level: —24 dB (48.9 mV)/8 ohms
Playback equalization
“LH” tape: 19 cm/s: 3,180 us + 50 us (NAB)
9.5 cm/s: 3,180 us + 90 us (NAB)
“EE” tape: 19 cm/s: 3,180 us + 35 us
9.5 cm/s: 3,180 us + 50 us
Motors 1 DC servo capstan motor
2 Induction ree! motors
Bias frequency 100 kHz
Operating position Vertical, horizontal
Power requirements
100/120/220/240 V AC, 50/60 Hz, 85 W (General export model)
120 V AC, 60 Hz, 70 W (USA/Canada)
220 V AC, 50 Hz, 85 W (Europe)
240 V AC, 50 Hz, 85 W (UK/AUS)
Weight 15 kg (33-1/16 Ibs) net
6-1/2” (165mm)
9-1/8" (234mm)
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17 - 5/16" (440mm)
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Fig. 1-1
SERVICE DATA
MECHANICAL
Tape speed deviation 3,000 Hz +30 Hz
Tape speed drift 20 Hz
Wow and flutter
Playback: 0.06% (WRMS), 0.12% (RMS) at 19 cm/s
0.10% (WRMS), 0.15% (RMS) at 9.5 cm/s
0.08% (WRMS) at 19 cm/s
0.15% (WRMS) at 9.5 cm/s
1.5 to 1.7 kg (3.31 to 3.75 Ibs)
Record/playback:
Pinch roller pressure
Reel torque (play mode)
Take-up:
Back tension:
Brake torque
Forward direction: 1200 to 1400 g-cm (16.7 to 19.4 02-inch)
Reverse direction: 500 to 700 g-cm (6.94 to 9.72 oz-inch)
Left/right deviation: 150 g-cm (2.09 oz-inch)
Fast winding time 140 seconds or less for 550 m (1800 feet)
330 to 470 g-cm (4.58 to 6.53 oz-inch)
220 to 280 g-cm (3.06 to 3.89 oz-inch)
ELECTRICAL
Frequency response
See Figs, 3-6 to 3-9,
Signal-to-noise ratio
Playback
[| tsems | asemis
249 dB 247 dB
251dB 249 dB
Overall
|| tems | 9.5 emis |
LH() | 247dB 245 dB
EE 248 dB 246 dB
Erase efficiency
70 dB min. at 1 kHz (measured with input
10 dB higher than the specified input level)
Channel separation 50 dB min. at 1 kHz
Adjacent track crosstalk 40 dB min. at 125 Hz
Total harmonic distortion 1.0% or less at 1 kHz with “LH (I)”
tape
1.5% or less at 1 kHz with “EE” tape
NOTES:
1. Improvements may result in changes in the SPECIFICATIONS
AND SERVICE DATA.
2. 0 dB is referenced to 0.775 V, unless otherwise specified.
3. Playback performance specifications refer to operation in both
forward and reverse play modes.
CAUTION
Z\ Parts marked with this sign are safety critical components.
they must always be replaced with identical components
— refer to the appropriate parts list and ensure exact re-
placement.