Akai, Yamaha - AT-2400 - CA-410 Hi-fi set - Multiple models

Audio equipment consisting of an Akai AT-2400 stereo tuner and a Yamaha CA-410 integrated stereo amplifier, both vintage models from the 1970s.
Refurbished and working correctly.

Manufacturer: Akai
Model: AT-2400
Type: Tuner
Years of manufacture: 1977 - 1979
Made in: Japan
Color: Silver
Dimensions (W/H/D): 440 x 141 x 336 mm
Weight: 6.6 kg

Number of outputs: 2
Fixed line: 0.75 V, 1 kOhm
Variable line: 0 - 1 V

Number of entries
FM antenna impedance
75 ohm unbalanced coaxial
300 ohms balanced

Technical data
Reception
Frequencies: VHF / MW
VHF: 88 - 108 MHz; MW: 522 kHz - 1620 kHz
Frequency response: 20 Hz - 15 kHz (+0.2 / -1.5 dB)
Input sensitivity
FM: 1.8 µV
MW: 180µV Distortion factor:
Mono: 0.15% (1 kHz)
Stereo: 0.2% (1 kHz)
Signal-to-noise ratio
Mono: 75 dB
Stereo: 70 dB
Stereo channel separation: 45 dB
Selectivity: 100 dB
Co-wave selection: 1.0 dB
Spurious selection: 80 dB
Image frequency attenuation: 100 dB
FI attenuation: 110 dB
AM suppression: 55 dB

Special features
Adjustable FM muting
Adjustable output level
Noise filter

Manufacturer: Yamaha
Model: CA-410
Type: Integrated amplifier
Years of manufacture: 1978-1979
Color: silver
Remote control: no
Energy consumption: 300 W max.
Dimensions: 435 mm × 139 mm × 333 mm (width × height × depth)
Weight: 7.8 kg

Number of entries
Phono MM, tuner, auxiliary, 2 × tape.
Number of exits
Loudspeaker
2 × Recording output
Headphones

Technical data
Continuous power (in distortion)
8 ohms: 2 × 40 watts
4 ohms: 2 × 53 watts

Dynamic power
8 ohms
4 ohms
Total harmonic distortion: 0.01%
Attenuation factor: >50
Input (Sensitivity/Impedance)
Fono 3 mV / 47 kOhm
Tuner, tape, auxiliary 150 mV / 47 kOhm
Output (Level/Impedance)
Recording output 150 mV / 600 ohms
Frequency response
Tone control
Bass: ±10 dB at 20 Hz
Treble: ±10 dB at 20,000 Hz
Volume: adjustable
Subsonic: 12 Hz / -12 dB fixed
Silence: yes
Direct: no
Ripple spacing (in short circuit): 100 dB
Stereo channel separation
Signal-to-noise ratio

Special features

Power display with two pointer instruments.
Record selector
High-pass filter
Mono/stereo switch