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Mark Levinson Monaural Reference Amplifier No 33

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The rare and extraordinary reference 33 Monaural Power amplifiers.

£33,000.00 £17,900.00


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The Nº33 Reference Mono Power Amplifier uniquely combines extraordinary power delivery with effortless control and unparalleled refinement. Rated at 2,400W continuous into 1-ohm loads, it is the most powerful high-end amplifier in the world.

The Nº33 incorporates two 2.45 kVA low noise toroidal transformers in a fully balanced power supply. In this design, there is a separate power supply (each with its own power transformer) for both the inverting and non-inverting halves of the amplifier. Twelve 39,000 μF low ESR capacitors are used in each amplifier. The power supply of each Nº33 provides almost 1⁄2 a Farad of capacitance and 1200 Joules of energy storage.

Heavy oxygen-free copper bus bars enhance the efficiency of power distribution within the amplifier and eliminate variances introduced by the wiring harnesses, etc. more commonly found even in high performance amplifiers. High frequency power supply bypass is accomplished on individual PC boards by a total of 56 components of several film types. The resulting uniformly low power supply impedance
seen by the various circuits within the Nº33 lays the foundation for both the massive power and the extraordinary finesse that characterizes this amplifier.

Brand: Mark Levinson

Model Name/Number: Monaural Reference No.33

Price (RRP): £33000

Choice Hifi Price: £17900

Product Information:

Specifications

The correlation between published specifications and performance is unreliable. A list of numbers reveals virtually nothing. All technical measurements must be sub- ject to qualitative as well as quantitative interpretation. Measurements of the Mark Levinson No33 yield excellent results by any standards. However, only those speci- fications that apply to its actual operation are included here. All specifications are subject to change at any time, in order to improve the product.

■ Rated power output:

  • 300 w/ch continuous rms power @ 8Ω
  • 600 w/ch continuous rms power @ 4Ω
  • 1200 w/ch continuous rms power @ 2Ω
  • 2400 w/ch continuous rms power @ 1Ωall of the above power ratings measured from 20 Hz–20 kHz with no more than 0.3% THD
  • Frequency response: within 0.1 dB from 20 Hz to 20 kHz
  • Signal to Noise ratio (main outputs): better than –80 dB (ref. 1 w)
  • Input impedance:  100kΩ (balanced) 50kΩ (single-ended)
  • Voltage gain: 26.8 dB
  • Input sensitivity: 2.3 V for full rated output
  • Power consumption:  typically 840 W (±5%) at idle,  typically 210 W (±5%) in standby
  • Mains voltage: determined by the needs of country for which the unit was manufactured; cannot be reset by dealer or user
  • Overall dimensions: See “Dimensions”
  • Shipping weight: 435 lbs. (198 kg) each
  • Connector complement: four custom binding posts per channel one 3-pin XLR balanced input connector per channel two RCA input connectors per channel two 1⁄8″ mini-jacks for remote turn-on two Mark Levinson communications ports (RJ-11) one captive high current AC mains cord
  • Output impedance:  less than 0.05Ω from 20–20,000 Hz

For more information please contact us.

Age: 15

Condition: 9/10

Voltage: 220/240/50Hz

Finish/Colour: black/ Silver

Packaging? Yes

Accessories? Yes

Item Location: In Stock

Status: Second Hand

Dimensions 5708473 cm