Sony TA-1120 (1965-1971) [Specifications and Service Manual PDF] | Forum | FusoElektronique

Specifications

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Type: All-silicon transistor stereo control amplifier
Circuit: quasi-complementary symmetry SEPP OTL
Semiconductors:
44 transistors
25 diodes
2 thermistors

Continuous power output:
2x 100W (8 Ohm, 0,1% THD)
2x 80W (4 Ohm, 0,1% THD)
2x 70W (16 Ohm, 0,1% THD)

Dynamic power output (IHF): 2x 120W (8 Ohm, 0,1% THD)
THD:
< 0,05% (1Khz at rated output)
< 0,1% (20Hz / 15Khz at rated output)
IMD: < 0,2% at rated output (SMPTE)

Power amp frequency response: 5Hz...200Khz (+0 / -2dB)
Power amp S/N ratio: 110dB
Damping factor: 180 (8 Ohm)
Sensitivity for rated output: 1V
Input impedance: 100,000 Ohm

Output voltage:
2V into 10,000 Ohm (pre-out)
6V into 10,000 Ohm (headphones)
150mV (rec-out)
Frequency response:
10Hz...100Khz (line inputs, +0 / -2dB)
± 0,5dB (Phono RIAA)
± 0,5dB (NAB eq curve for tape head)
10Hz...30Khz (MIC, -0 / +2dB)
Maximum input (1Khz):
100mV (tape head)
100mV (phono 1 & 2)
100mV (MIC)
10V (line inputs)

Inputs:
Tuner (0,15V / 100kOhm, adjustable level)
Aux. (0,15V / 100kOhm, adjustable level)
Tape (0,15V / 100kOhm)
Phono 1 & 2 (1,2mV / 47kOhm)
Tape head (1,2mV / 500,000 Ohm ; for tape heads with less than 10kOhm impedance)
MIC (1,2mV / 500,000 Ohm)

S/N ratio:
90dB (tuner, aux)
70dB (phono 1 & 2)
70dB (tape head)
65dB (MIC)

PC: 260W max.
Dimensions: 40 x 14,5 x 31cm
Weight: 11kg.

Features:
9Khz scratch filter
50Hz rumble filter
Stepped tone controls
Monitor switch
Channel balance
ST / REV / L / R / L+R selector
Aux & Tuner input level pots

Optional: TAC-1 enclosure
List price: 449,50$ (1970)

▼ Download Service Manual PDF

Source

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hifi-wiki.de
thevintageknob
audio-high-store.com
audioservicemanuals.com