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Octave V40 SE

The Octave V 40 SE, an award-winning all-rounder, delivers captivating sound resolution, tube flexibility, stable performance, and power-saving features, elevating your audio experience to unparalleled heights.
SKU: sd-12

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Captivating Sound Resolution

With 2 x 40 W peak output power, the V 40 SE delivers powerful, clear bass fundamentals and captivating resolution in the high frequencies, earning it the prestigious “Stereoplay Highlight” award.

Ecomode & Bias Adjustment

Experience power saving and tube protection with the unique Ecomode feature, while easily calibrating the BIAS regulation on the front panel for constant sound quality.

Stable Performance

Based on an enhanced pentode configuration, the V 40 SE remains stable against loudspeaker impedance variations, ensuring smooth performance down to a 2 Ohm load.

Tube Complement Flexibility

Equipped with 4 x 6550 tubes, the V 40 SE’s BIAS Control and Monitoring System allows you to match it to your personal taste by using other pin-compatible output tubes.


Tube Complement: 4 x 6550 Design: Aluminium silver or Aluminium black Options: Black-Box and Super Black BoxPower Output: 2 x 40 Watt into 4 Ohm Frequency Response: 20 Hz – 70 kHz @ 40 W -1 / -3 dB, 5 Hz – 70 kHz @ 10 W -0 / -2 dB Total Harmonic Distortion: < 0.1% @ 10 Watt into 4 Ohm Signal-to-Noise Ratio: -110 dB / 40 W Noise / Ripple: < 300 μV Optimum Speaker Impedance: 3 – 16 Ohm Minimum Speaker Impedance: 2 Ohm No-load current: 28 mA – BIAS low, 34 mA – BIAS high Connections:
Inputs: 4 x Line Level (Cinch)
Outputs: 1 x Tape, Pre-Out, and Main-In
ECO Mode Bias Adjustment Power Management Configuration:
Push Pull Pentode Circuit Negative Grid Voltage adjustable for each tube with 3 turn Precision Regulators Wideband Output Transformers using Silicon steel PMZ Core Single Impedance Output Optimum Load Impedance 3 – 10 Ohm Nominal Speaker Impedance Efficiency greater than 85dB Amplifier remains stable with No Load and Output short-circuited General Facts:
Power Consumption: 350 W
Weight: 18.6 kg
Standard Accessory: Power Cord, 3 mm Screwdriver, IR-Remote Control
Main Fuse: 230/240 V mains: 2.5 A slow-blow type H
In – and Outputs:
Five single-ended (RCA) inputs, including the Home Theatre Bypass input Outputs: One RCA Record output, one regulated Preamplifier output, and one Loudspeaker output Black Box Connector:External upgrade for optimizing amplifier with increased power supply storage capacitors by a factor of 4 (Black Box) or 10 (Super Black Box) Ecomode: Power-saving electronic circuitry, reducing heat and power consumption when the amplifier is not in use BIAS Adjustment:User-friendly BIAS calibration system for precise monitoring and adjustment of output tubes Power Management and Protection System:Multi-stage Soft-Start/Turn-On protection circuit for extended component and tube life


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