TRIO KA-7300 ¥ 65,000 (released in 1975)
Made In Japan
https: //audio-database.com/TRIO-KENWOOD/amp/ka-7300.html

Type Integrated amplifier
Power Amplifier Unit
Rated Output (Both Channel Operation) 65W + 65W (8 ohm, 20 hz to 20 khz)
70W + 70W (8 ohm, 1 khz)
Total harmonic distortion factor 0.1% (8 Ω at rated output)
0.04% (at 1W output, 20 Hz to 20 kHz, 8 Ω)
Cross modulation distortion factor 0.1% (8 Ω at rated output)
Output Bandwidth Characteristics (IHF) 5 Hz to 60 kHz
SN ratio (using IHF and A-curve) 110db
Input Sensitivity / Impedance 1.0V/50k Ω
Damping factor 30
Optimum load impedance 4 Ω ~ 16 Ω
Preamplifier Section
Input Sensitivity / Impedance Phono : 2.5mV/50k Ω
Tuner, aux, tape play : 150mV/50k Ω
SN ratio (IHF-A curve) Phono : 76 dB (5 mV input)
Tuner, aux, tape play : 90 dB
Output Level / Impedance tape rec pin:150mV
Pre out : 500 Ω
Output distortion of preamplifier section 0.04% (aux at 1 V output)
Maximum Allowable Input (1 kHz, Distortion 0.1%) phono:210mVrms
Frequency characteristic Phono : RIAA deviation ± 0.3 dB
Tuner, aux, and tape play : 20 hz to 40 khz + 0 to 0.5 db
Tone control
bass 150 Hz : ± 7.5 dB (50 Hz)
400 Hz : ± 7.5 dB (100 Hz)
treble 3 kHz : ± 7.5 dB (10 kHz)
6 kHz : ± 7.5 dB (20 kHz)
Filter Low : 18 Hz, 40 Hz, 12dB/oct.
High : 8 kHz, 12dB/oct.
Loudness control (at -30dB output) 50 Hz : + 3 dB, + 6 dB, + 10 dB