Onkyo - EQ-240 Stereo graphic equalizer





€53 | ||
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€50 | ||
€10 | ||
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Onkyo EQ-240 stereo 7-band graphic equalizer, manufactured in Japan between 1988 and 1990, in excellent physical condition and tested and working, includes power cord.
Description from the seller
The Onkyo EQ-240 is a classic 7-band stereo graphic equalizer, produced by the Japanese manufacturer Onkyo between 1988 and 1990. It is a popular addition to vintage hi-fi systems, allowing users to fine-tune sound reproduction to suit room acoustics or personal preferences.
Key features
• 7-band spectrum analyzer: Provides a visual representation of the output signal for both the left and right channels via separate displays.
• Illuminated sliders: The sliders feature built-in LED indicators, making precise adjustments easy even in low-light conditions.
• Equalizer bypass: A physical bypass switch allows the equalization to be instantly disabled, letting you hear the pure, unprocessed sound. Technical Specifications
Feature Specification
Number of bands 2x 7 bands (independent per channel)
Frequency bands 64Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.3kHz, 16kHz
Control range ± 12 dB per band
Frequency response 10 Hz to 35,000 Hz (+0, -0.5dB)
Signal-to-noise ratio 100 dB
Total harmonic distortion (THD) < 0.010%
Input sensitivity 150mV (5V max)
Dimensions (W x H x D) 435 x 71 x 257 mm
Weight 2.9 kg
Country of origin Japan
Connectivity
The EQ-240 features standard RCA (phono) connectors on the rear panel. It is typically connected between a preamplifier and a power amplifier, or via the Tape Monitor loop (Tape Rec/Play) of an integrated amplifier or receiver. Additionally, the unit itself includes an extra Tape connection, ensuring that no tape input on the amplifier is lost.
Carefully shipped and insured
Seller's Story
The Onkyo EQ-240 is a classic 7-band stereo graphic equalizer, produced by the Japanese manufacturer Onkyo between 1988 and 1990. It is a popular addition to vintage hi-fi systems, allowing users to fine-tune sound reproduction to suit room acoustics or personal preferences.
Key features
• 7-band spectrum analyzer: Provides a visual representation of the output signal for both the left and right channels via separate displays.
• Illuminated sliders: The sliders feature built-in LED indicators, making precise adjustments easy even in low-light conditions.
• Equalizer bypass: A physical bypass switch allows the equalization to be instantly disabled, letting you hear the pure, unprocessed sound. Technical Specifications
Feature Specification
Number of bands 2x 7 bands (independent per channel)
Frequency bands 64Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.3kHz, 16kHz
Control range ± 12 dB per band
Frequency response 10 Hz to 35,000 Hz (+0, -0.5dB)
Signal-to-noise ratio 100 dB
Total harmonic distortion (THD) < 0.010%
Input sensitivity 150mV (5V max)
Dimensions (W x H x D) 435 x 71 x 257 mm
Weight 2.9 kg
Country of origin Japan
Connectivity
The EQ-240 features standard RCA (phono) connectors on the rear panel. It is typically connected between a preamplifier and a power amplifier, or via the Tape Monitor loop (Tape Rec/Play) of an integrated amplifier or receiver. Additionally, the unit itself includes an extra Tape connection, ensuring that no tape input on the amplifier is lost.
Carefully shipped and insured

