Specifications - Tascam 122 Service Manual

122
1. SPECIFICATIONS
MECHANICAL
Tape:
Track Format:
Tape Speed:
Speed Accuracy:
Wow & Flutter:
Fast Wind Time:
Motor:
Head Configuration:
Dimensions (WxHxD):
Weight:
ElECTRICAL
Line Input 1, 2:
I nput Impedance:
Maximum Source Impedance:
Nominal Input Level:
Minimum Input Level:
Line Output:
Minimum Load Impedance:
Output Impedance:
Nominal Output Level:
Maximum Output Level:
Headphone Output:
Bias Frequency:
Equalization:
Frequency Response 3 )
(R Icard/reproduce):
Total Harmonic Distortion (THD)3):
Signal to Noise Rati0 3 ):
Adjacent Channel Separation:
Erasure:
Headroom:
Recording Amplifier:
Reproduce Amplifier:
Power Requirements:
I n these specs. 0 dB V is referenced to 1 V.
Philips Type Cassette C·SO and C·90
4·Track, 2·Channel Stereo
1·7/8 ips and 3·3/4 ips
1·718 ips ±0.5
%
Deviation
3·3/4 ips :to.5 % Deviation
1·7/8 ips
1)
±0.085 % peak (DIN/IEC/ANSI weighted)
±0.18 % peak (DIN/IEC/ANSI unweighted)
O.OS % (NAB weighted)
0.11 % (NAB unweighted)
3·3/4 ips
2)
±0.055 % peak (OIN/IEC/ANSI weighted)
±0.13
%
peak (OIN/IEC/ANSI unweighted)
0.04 % (NAB weighted)
0.07 % (NAB unweighted)
90 secs. for MTT·501 (C·SO)
1 FG Servo Controlled 0 C Motor
1 0 C Reel Motor
3 Heads: Erase. Plavback/Record
482 x 147 x 345 mm (19" x 5·13I1S" x 13·9/1S")
19·13/1S Ibs. (9 kg) net
50k ohms unbalanced
10k ohms or less
-14 dBV (190 mV)
-24 dBV (SO mV)
25k ohms or more, unbalanced
3.5k ohms or less
-10 dBV (0 .3 V)
-7.5 dBV (0.42 V)
100 mW Maximum at 8 ohms
100 kHz
1·7/8 ips
3180
/lS .
+ 70
/lS.
31 80
~s.
+
120
/lS.
switchable
3·3/4 ips 3180
/lS.
+
35
/lS.
3180
/lS .
+
50
Jis.
switchable
1·7/8 ips
35 Hz - 14 kHz ±3 d.B at -20 VU
35 Hz - S.3 kHz ±3 dB at 0 VU
3·3/4 ips 35 Hz - 20 kHz ±3 dB at -20 VU
35 Hz - 15 kHz ±3 dB at 0 VU
1 % at 0 VU, 1 kHz, lS0 nWb/m
1·7/8 ips 3
%
at 9 dB above 0 VU, 1 kHz, 451 nWb/m
3·3/4 ips 3 % at 10 dB above 0 VU, 1 kHz, 50S nWb/m
A t a reference of 3 % distortion level
1·7/8 ips 58 dB weighted
55 dB unweighted "
92 dB weighted with 0 BX
3·3/4 ips S3 dB weighted
58 dB unweighteri
92 dB weighted with OBX
Better than 35 dB at 1 kHz
Better than S5 dB a.t 1 kHz + 10 VU reference
Better than 19 dB above 0 VU
Better than 19 dB above 0 V U
100/12012201240 V AC, 50/S0 Hz, 41 watts (General Export Modell,
120 V AC, SO Hz , 41 watts (U .S.A./Canada Modell,
220 V AC, 50 Hz, 41 watts (Europe Modell,
240 V AC, 50 Hz, 41 watts (U.K.lAustralia ModeJ)
1) Specifications were determined using TEAC Test Tape MTT·ll1.
2) Specif ications were determined using TEAC Test Tape MXT·111.
3) Specifications were determined using TEAC Test Tape MTT·50S.
Changes in specifications and features may be made without notice or obligation.
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