Amplificator Integrat Spec RSA-717EX

  • Amplificator Integrat Spec RSA-717EX
  • Amplificator Integrat Spec RSA-717EX
  • Amplificator Integrat Spec RSA-717EX
  • Amplificator Integrat Spec RSA-717EX
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17860,00 RON 16450,00 RON

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New era of amplifier raises the curtain renewed “Real-Sound”

New Class-D amplifier with latest device

Thanks to the improvement of semiconductor technology, the integrated device composed of an advanced audio controller IC and two power MOS-FETs fully optimized audio performance was released from International Rectifier, IR in Calif. in 2012. We found the tremendous sound potential of the device and have been seeking to make best possible use of it. The main portion of the amplifier is very compact size PCB and required shortest wiring achieves ideal switching characteristic. Accordingly the sound could be natural and at the same time full of dynamic. And also the amplifier is proud of almost triple higher efficiency compared to semiconductor linear amplifier, the forceful driving power for speakers and superior power saving ability could be easily comprised all together.

Natural & Organic sound of latest AC-DC switching power supply

The efficiency of our new Class-D amplifier is so high (more than 96% at full power) that the quality of the power source has directly much effect on the final driving power and the sound quality of this amplifier. This time we bet the potential of newest switching controller device to surpass the sound of a traditional analog design power supply. And in further pursuit of higher sound quality and more tasty tonal character we adopt newest SiC(Silicon Carbide) schottky diodes, special audio use electrolytic capacitor, custom oil filled capacitor and ultimate quality mica capacitor. It reached at the well damping, also massive low range and also fine transparent mid to high-end fully free from switching noise.

New design and construction of Side-Wood and Insulators

Smooth curve side-wood included insulator is so unique but also realize like as acoustic instrument sound.
Real” Spruce” used for side-wood and real “Maple” adopted for insulator are combined to cut off vibration effectively from the out -side. And it′s exactly the piece of Japanese craftsmanship in historic town “Hida-Takayama”.


Maximum output 100 W × 2 (4Ω), 75 W × 2 (6Ω), 50 W × 2 (8Ω)
Frequency response 10 Hz - 30 kHz ±1dB (6Ω, 1W)
Harmonic distortion ratio 0.02% (at 1 kHz, 80% output)
Input sensitivity, gain 300 mVrms, 37.3 dB (at MAX volume, 6Ω, 1kHz, unbalanced input)
Line input terminals XLR input : 1 RCA inputs : 3
Speaker terminal 1
Power supply, other
Power voltage 220V AC,50Hz
Electrical consumption With no signal : 18 W, during maximum output : 180 W (8 Ω, 100 Hz)
External dimensions 350 mm (width) × 95 mm (height) × 375 mm (depth)
Weight 7.0 kg
Included items
Power cord 1
Operation manual 1

The following separately sold accessories are available.


New class-D amplifier with latest integrated device

  • Most advanced class-D devices integrated PWM controller and two power MOS-FET fully optimized audio performance bring the sound with sense of speed and accuracy into reality .
  • A very compact size printed-circuit board and shortest wiring achieves ideal class-D characteristic. And also it realizes the natural, fresh and at the same time full of dynamic sound.

Natural & Organic sound of advanced AC-DC switching power supply of RSA-717EX

  • Thanks to the cutting edge switching controller device and latest SiC (Silicon Carbide) diodes,
    this new switching power supply could realize well damping, also massive low range, comparable
    to the finest analog design power supply.
  • Custom oil filled capacitor and ultimate quality mica capacitor, adopted in this power supply bring highly transparent mid to high-end with fully free from switching noise.

New compact size design and construction with real side-wood and insulators

  • Real “ Spruce “ used for side-wood and real “Maple” adopted for insulator are combined to cut off vibration effectively, contribute to the musical sound of 717EX.

Specificatii Amplificator Integrat Spec RSA-717EX

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