Akai, Yamaha - AT-2400 - CA-410 Hi-fi set - Multiple models
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Selected by Ariel Cabello
Holds dual bachelor's degrees in electronics and physics with 20 years in audio engineering.
Estimate € 350 - € 430
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A pair of vintage Akai AT-2400 stereo tuner and Yamaha CA-410 stereo integrated amplifier, manufactured in 1979 and tested to be functional, in excellent physical condition and weighing 15 kg with overall dimensions 440 mm wide by 300 mm high by 340 mm deep.
AI-assisted summary
Description from the seller
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
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
Details
Era
1900-2000
Brand
Akai, Yamaha
Model
AT-2400 - CA-410
Multiple Models
Yes
Physical condition
Excellent
Nr of items
2
Includes
No extra's
Serial Number
G111375
Year of Manufacturing
1979
Weight
15 kg
Functional condition
Tested and working/playable
Height
300 mm
Width
440 mm
Depth
340 mm
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