Power Amplifier Reference Power

6,000.00 

The Reference Power amplifier is the latest proposal from Soundastic.

It is a dual mono (balanced) power amplifier, which is a further development of a proven design. The power supply to both channels is 100% independent of each other through two very efficient 500VA toroidal transformers and four Nippon Chemi-Con capacitors.

Reference Power is equipped with RCA and XLR inputs and can operate as a mono or stereo amplifier.

Both channels work in a balanced circuit.

The amplifier works in class AB with the power of 150W per channel into 8 Ω and 280W per channel into a load of 4 Ω.

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Description

 

The Reference Power amplifier is the latest proposal from Soundastic.

It is a dual mono (balanced) power amplifier, which is a further development of a proven design. The power supply to both channels is 100% independent of each other through two very efficient 500VA toroidal transformers and four Nippon Chemi-Con capacitors.

Reference Power is equipped with RCA and XLR inputs and can operate as a mono or stereo amplifier.

Both channels work in a balanced circuit.

The amplifier works in class AB with the power of 150W per channel into 8 Ω and 280W per channel into a load of 4 Ω.

The constructors used a patented solution (patent no. 176514), which affects:

  • Audio neutrality – guaranteed by using only JFET transistors and symmetrical inputs in the design. In the signal circuit, the amplifiers do not have a capacitor.
  • No supply voltage distortion – under dynamic load conditions, waveforms that are not mathematically definable are eliminated, and voltage fluctuations do not affect the bridge stability. This reduces non-linear distortion and improves the frequency response of the amplifier.

Also, this influences the quality of the audio signals processed and determines the high technical performance of the device.

The housing, in which the electronics is placed, is made of a metal alloy whose anti-magnetic nature guarantees a significant resistance to external interference, while the front plate is made of aluminum alloys used in the aviation industry.

Specifications

Power: stereo mode: 140 W / 8 Ω (CLASS AB)
mono (bridge) mode: 280 W / 8 Ω (CLASS AB)
Minimum impedance load: 1 Ω (instantaneous)
Output impedance: STATIC

40 VA – 1200 VA (PEAK)

Output impedance:
Distortion – THD: 0.05% at 1 W / 8 Ω

0.02% at 120 W / 8 Ω

Frequency response: 5 Hz – 100 kHz – 3 dB / 1 W / 8Ω
Non-linearities in the frequency band: 10 – 30,000 Hz: ± 0.01 dB
Slew rate: 150 V/μs
Signal – noise ratio: 130 dB (IHF – A)
Inputs: 1 x universal inputs – RCA Stereo
1 x universal inputs – RCA Mono
XLR Stereo
XLR Mono
Input sensitivity: 500 mV – RCA

500 mV – input XLR

Input impedance: 100 kΩ; RCA
22 kΩ XLR
Advanced protection system: against short-circuit the speakers and against the appearance of DC voltage at the output
Transformers: 2 x toroidal, 500 VA each
Capacitors filtering the supply voltage: 4 x 12 000 uF – Nippon Chemi-Con
The REFERENCE Power amplifier fulfills all requirements and standards valid in the EU
Net weight: 19 kg
Dimensions: 430 x 95 x 358 mm
Manufacturer’s warranty: 24 months

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