National SU-3400

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The National SU-3400 is a cordless vacuum cleaner designed for multi-surface cleaning. It is part of the National brand, which is owned by Matsushita Electric Industrial Co., Ltd. This brand is known for producing high-quality electronic products, and the SU-3400 is no exception. This vacuum cleaner is equipped with a powerful motor that generates suction up to 100 watts, allowing it to effectively clean floors, carpets, and other surfaces.The SU-3400 is cordless, which makes it highly versatile and convenient to use. It comes with a rechargeable lithium-ion battery that provides up to 25 minutes of continuous use on a single charge. This is more than enough time to quickly clean an average-sized room or area. Additionally, the vacuum's battery is removable, giving users the option to replace it with a fully charged one when the current battery runs low.One of the standout features of the SU-3400 is its detachable handheld unit, which can be used for cleaning tight spaces and above-the-floor areas like ceiling fans and stairs. The handheld unit also comes with a variety of attachments, including a crevice tool and a dusting brush, which make it versatile and practical for various cleaning tasks.The SU-3400's dustbin capacity is 0.5 liters, which is smaller than some other cordless vacuum cleaners on the market. However, this capacity is still sufficient for most cleaning needs, and the vacuum's filter system helps to ensure that it doesn't clog easily.Overall, the National SU-3400 is a high-quality cordless vacuum cleaner that offers powerful cleaning performance, versatility, and convenience. Its detachable handheld unit, lithium-ion battery, and variety of attachments make it a practical and useful tool for any home cleaning needs. Its compact size and ease of use also make it a great option for those who want a powerful vacuum cleaner without the hassle of cords or bulky attachments.

Power Output: 35W into 8Ω (stereo)
Frequency Response: 5Hz to 100kHz
Distortion: 0.2%
Damping Factor: 50
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 2mV (mm), 100mV (line)
Signal to Noise Ratio: 73dB (mm), 85dB (line)
Line Output: 100mV (line), 100mV (din), 1V (pre)
Dimensions: 410 x 140 x 300 mm
Weight: 10.2 kg
Year: 1971
Price: