DESCRIPTION

 

Class D mono power amplifier based on the PURIFI 1ET400A module. The switching power supply is  the Hypex SMPS1200A400. The i / o board is the special high performance ROUGE NCX2 that allows the choice between operational IC (OPA1612) and discrete components, the mounting of HxR voltage regulators. Balanced input (XLR).

Very high quality amplifier, with analog sound and incredible performance. Analytical and transparent but at the same time capable of controlling the low frequencies with great control and authority.

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ROLL OP-AMPS MOVING TWO JUMPERS

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NCX2

This power amplifier is equipped with the NCX2 i/o board which offers  the possibility of adding discrete op-amps and voltage regulators.

The NCX2, in default, always uses the OPA1612 in the buffer stage, perhaps among the best IC's on the market for transparency and clarity of sound (without adding color), whose power is entrusted to the small and fast TI TPS7 voltage regulators ( LDO).

Basically, therefore, the same circuit as the previous NCX.

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The new feautures, which makes NCX2 unique, is that it is nevertheless designed to add a discrete op-amp  on DIP8 and the Hypex HxR audiophile voltage regulators.

This "addition", however, does not replace the default setting of the circuit and its basic components (OPA1612 + TI TPS7) since, by moving the appropriate jumpers on the board, the user can always choose and select in any moment the combination (operational-voltage regulator) he prefers:

  • OPA1612 with TPS7 voltage regulators,

  • OPA1612 with HxR voltage regulators,

  • discrete op-amps with TPS7 voltage regulators,

  • discrete op-amps with HxR voltage regulators.

PURE POWER WITHOUT DISTORTION

450

WATTS@2OHM

450

WATTS@4OHM

227

WATTS@8OHM
Technology

Purifi 1ET400A + Rouge NCX2

Technical specifications

Output power: 2x550W (2Ω), 2x700W (4Ω), 2x400W (8Ω)

Distorsion THD + N: 0,005% 

Input impedance: 47KΩ

Min. load (Z): 1Ω

Power Bandwidth: min. 35Khz

Frequency Response:  0-50Khz  

SNR: 135dB

PSRR: 85dB

Gain: 26 dB

Output noise: 20µV

CMRR: 65db all frequency

Maximum output current: 28A

 

Inputs: balanced (XLR) + unbalanced (RCA)

Binding posts: WBT 0703cu Nextgen

Trigger (on request)

Mains: 190-250Vac (95-130Vac on request)

Casing: full hi grade aluminium 

Measurements: 435x320x99mm 

Weight: 9 kg

Buffer stage 

Op-amp 1: Texas Instruments OPA1612 

Op-amp 2: socket DIP8*

Voltage regulators LDO: Texas Instruments TPS7

Discrete voltage regulators: Hypex HxR 

* Sparkos SS3602, Sonic Imagery  994Enh-Ticha