SPEC RPA-MG3000 300W Monaural Power Amplifier
SPEC RPA-MG3000 300W Monaural Power Amplifier
  • 39,000.00€

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Our most important philosophy is "The realistic sound is the most beautiful." The infinitely realistic sound reproduction of RPA-MG3000 conveys the musicality of the performer as it is. It is important that the timbre is correct because the performers convey their musicality through the timbre of the instrument.


The amplifier is a musical instrument

The wooden panels integrated with the amplifier provides beautiful tones in the music. Spruce and maple, the same combination of wood panels as stringed instruments, vibrates with the amplifier and create energy to convey musicality.


Like a musical instrument maker, we carefully selected materials and considered different combinations.


Wooden feet of maple wood with hickory embedded in the center are designed in such a way that only the hickory located in the center is grounded.
The RPA-MG3000 is built as an instrument.


The timbre of a musical instrument is composed of minute signals

The sounds of instruments and human voice contain an enormous amount of detailed harmonic signals, which form a beautiful sound. Therefore, minute signals play an important role in the reproduction of realistic sounds. The PURE DIRECT SYSTEM and specially blended capacitors of RPA-MG3000 amplifies all these minute signals faithfully without exception. SPEC takes special concern in the faithful representation of minute audio signals.

Pure Direct Connection

In order to reproduce the realistic sound, it is important to reproduce MINUTE SIGNALS without omission. In the case of low-level transmission using a preamplifier, more smaller signals in the music signal may be buried in noise. Signals smaller than the noise level limit will shrinks further and could disappear completely.
On the other hand, THE PURE DIRECT CONNECTION transmits the music signal to the input of the power amplifier at a large level, and controls the volume with the electronic volume placed just before the classD block, so that the minute signal is guided to the final stage as much as possible.

By amplifying the signal that keeps the minute signal in class D, the speaker reproduces the delicate musical expression played by the musical instrument.
The protagonist of realistic sound is a minute signal.

Capacitor Blending


Like a sommelier, we taste a variety of capacitors and blend them.
Realistic sound is made by combination of capacitors and woods.

The final stage of class D is placed small to enable delicate expression. These two small FETs per channel are the 300W output itself.




Complex and miniscule harmonic overtones result in beautiful audio

Therefore, SPEC takes special concern in the faithful representation of minute audio signals

Music is a Sound Pressure


800VA R-COER TRANSFORMER supplies powerful energy to the speakers to reproduce the sound pressure energy. Sound pressure is the energy of the instrument itself.



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PURE DIRECT CONNECTION

Direct connection at source device level. Conventional, pre-amplifier-based connections are small level connections. For small signals, transmission at a large level is advantageous because, the small signal in the small level signal shrinks further and could disappear completely. PURE DIRECT CONNECTION with Volume Controller is essential for the most fresh and most realistic reproduction.


The Class D FET (under the heat sink) and the low pass filter placed very close to the FET.


MUSICALITY SELECTOR

1 Neutral: very close to the actual sound of the instruments 2 Sophisticated: Artistic quality beyond the actual sound It is a quite different method from that of a conventional tone control. Frequency characteristic does not change at all. Each mode is depending on the adopted parts itself. But isn't that a job for a pre-amplifier? ..No! The class D circuit has a very sensitive point. At the post-stage of CLASS-D, musicality change can be achieved very effectively. We don’t change frequency characteristic, we merely change resonance characteristics of special parts at the post-stage of CLASS D.

"Huge monolith" mica capacitor

Ultrafast soft-recovery diode to make silence


Side panel for the sound (MAPLE)




RPA-MG3000 appearance







Specifications

Maximum output300 W × 2 (4Ω)

Speaker Impedance4Ω-16Ω

Frequency response10 Hz - 30 kHz ±1dB

Line input terminalsXLR input: 1 RCA inputs:1

Speaker terminal L,R

Power voltage230V AC, 50 Hz/60Hz

External dimensions (POWER UNIT)450 mm (width) × 180 mm (height) × 430 mm (depth)

External dimensions (AMP.UNIT)450 mm (width) × 180 mm (height) × 455 mm (depth)

Weight (POWER UNIT)27 kg

Weight (AMP.UNIT)18 kg

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