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TRIO KA-5500

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Technic details

Specifications

Type:
Integrated amplifier
[Power amplifier section]
Rated output (Both channel operation):
55W + 55W (20Hz to 20kHz with no more than 0.1% total harmonic distortion, 8Ω)
60W + 60W (1kHz, 8Ω)
70W + 70W (1kHz, 4Ω)
Dynamic power output:
200W (4Ω)
Total harmonic distortion:
0.1% (At rated output, 8Ω)
0.06% (At 1W output, 20Hz to 20kHz, 8Ω)
Intermodulation distortion:
0.1% (60Hz: 7kHz = 4: 1, at rated output, 8Ω)
Output bandwidth characteristics:
5Hz to 40kHz (IHF)
S / N ratio:
100dB (Using IHF A curve)
Damping factor:
30 (4Ω)
50 (8Ω)
Speaker impedance:
4 to 16Ω
[Preamplifier section]
Input sensitivity / impedance:
Phono - 2.5mV / 50kΩ
Tuner, AUX, Tape Play - 150mV / 50kΩ
Maximum allowable input:
Phono - 210mV rms (1kHz, 0.1%)
Output level:
Tape Rec. A, B (Pin) - 150mV
S / N ratio:
Phono - 76dB (5mV input)
Tuner, AUX, Tape Play - 90dB
Frequency response:
Phono - RIAA standard curve ±0.3dB
Tuner, AUX, Tape Play - 20Hz to 40kHz, +0 -0.5dB
[Tone control]
Bass:
±10dB at 100Hz
Treble:
±10dB at 10kHz
Subsonic filter:
18Hz, 12 dB / oct.
[Overall]
Speaker selector:
Off, A, B, A + B
Input selector:
Phono, AUX, Tuner
Mode:
Stereo, Mono
Function:
Attenuator, Tone defeat, Loudness, Meter range
Tape monitor:
A, B
Dubbing:
A → B, B → A
Optional:
Wood case SRA-3000 (¥ 4,500)
AC outlet:
Switched - 2 lines
Uwitched - 1 line
Power supply voltage:
AC 100V, 50 / 60Hz
Rated power consumption:
145W (Electrical Appliance and Material Control Law)
External dimensions (W x H x D):
380 x 140 x 255mm
Weight:
10.5kg
Year:
1975

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