28 In stock
HIFI 4 Inches Full Range Speaker Unit 4 Ohms 60Hz-23KHz 92dB Max Japanese AKISUI4 For Monitor Speakers Tube Amplifier DIY Audio
Sold as one pair (2 pcs)
Model No: WHFRS-AKISU4SP
This full-range speaker unit is made of double 80mm magnet, tarpaulin edge, composite cone, aluminum alloy frame and 25mm coil, which is used in model AP5001 that this monitor speaker cabinet is designed by Japanese designer Mr. Kameyama presided over the design with AS100FL 42Ex speaker unit. After launched in Japanese market, AP5001 achieved very good response, and it was elected as monitor speaker cabinet by Japan's Fuji TV station. The sound is very accurate, full-range balanced, low distortion. This is from her exquisite workmanship can be realized, a large magnet, large elastic wave, long stroke, composite cone, aluminum alloy frames, that is carefully designed products when a glance.
Listen to the sound is far wider sound field, better resolution, better layer structured. We are intoxicated by the music, the melody of each neuron start wondered if peristalsis, high, medium and low frequency is very balance, so fantastic! The sound of the human voice is warm, soft and pure, and natural loose, smaller noise pollution, rich musical taste, great flavor, also has a good low-frequency performance, is a treat for the ears, very enjoyable for long time listening and you don’t feel tired.
Its sound quality is excellent, fresh and pure and hearty, the overall coherence and excellent resolving power, high-frequency delicate transparent, rich in detail, round and full midrange, natural and real. Also its sound is very charming, it will achieve a very good bass performance particularly if adopt maze speaker cabinet. Its treble limit is 23KHZ but general treble can only reach 20KHZ.
Recommendation of Tube amplifier and power amplifier supported as below.
EL-34B, 6P6P, 6V6, 5881, 6P3P, CF-50, KT88,300B single-end amplifier, or push-pull amplifier. And, class T digital amplifier, HIFI amplifiers and other.
1. Rated power: 60W
2. Power range 60W-100W
3. Diameter: 4 inches
4. Impedance: 4 ohms
5. Frequency range: 60Hz-23 KHz
6. Sensitivity: 89 ±3dB
7. Diameter of the front panel: 105mm
8. Distance of diagonal screw holes: 115mm
9. Distance of same side of the screw holes: 82mm
10. Height: 70mm
11. Diameter of cutting hole: 98mm
12. Weight: 1.1kg / unit
Matched 4 inched full range empty cabinets
Effect photo after assembling with the caabinets
Applications by DIY
Press artical of original manufacturer by Japan
AP5001(II) Development of evolution-based full-range unit for the professional on-board unit
10cm original full-range unit that was newly developed this time, parts and materials from thoroughly review, adopted the Japanese paper fibers mixed original cone paper and 6N pure copper voice coil. The improvement and third harmonic distortion of further efficiency was able to significantly reduce more than 20 db. Average output sound pressure level is achieved high efficiency of 89db / w / m. The resonance point of each part Ri due to be in total manner tuning, to reproduce the exact harmony on the time axis in a wide range of frequency bands.
In addition to a powerful magnetic circuit and the copper short ring, and strive to enrich the damping performance of the low frequency band, was gently adjust the damping roll of high-end frequency band.
Used as monitor speaker by Fuji Television Network V9 studio
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