Opera Consonance R50MKII Expand

Opera Consonance R50MKII

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Consonance R50MKII, tube Preamp with dual 12AU7 and EZ80 , circuit SRPP without feedback, Gain Setting, Input/RCA Outputs, Remote control.

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Order it before 20 hours and 3 minutes and receive it on Wednesday 23 August with DHL o TNT

Modelli disponibili:, Cherry


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The Consonance R50MKII is a line preamplifier 20dB, based on a circuit SRPP upgradato and devoid of feedback.

The capacitors used for signal coupling are the valuable AuriCap. All connections are made point-to-point, using pure copper. The motherboard acts as a support for the valves and all other components, while the connections from point to point, are made with wires, and "mounting in the air" below the circuit board itself.

The power supply section is equally exclusive and cared for: the main transformer, EI-type, is completely shielded from the main circuit. The input current is suitably filtered by an oversized capacitor metal polypropylene fredriksson started MKP. Its filtering characteristics are extremely uniform for a purity of sound is very high.

Technical Specifications:
  • Functions: Volume left / right, Input select, Power on/Off

  • Harmonic distortion (for 2V RMS): 0.05%(70Hz-7kHz 4:1)

  • Frequency response: (at-1dB) 3Hz-150kHz

  • Input impedance: 100k ohms

  • Inputs: 4 groups (RCA)

  • Outputs: 2 groups (RCA)

  • Signal/noise ratio: 90dB

  • Gain at 1kHz: 20dB

  • Power consumption: 40watt

  • Feedback: None

  • Valves: 12AU7 x 2 EZ80x1

  • Dimensions: 440(L) x 320(d) x 120(h) mm

  • Weight: 12kg




All products sold on polarisaudio.it have 24 months long European Warranty. Polaris Audio Srl is exclusive importer and distributor of various Hi-Fi Brands. If you need our help on your purchase, please contact our Sales Team and we will offer you all needed support.

Opera Audio Consonance