Mark Levinson No 531H mono amplfiers pair - mint customer trade-in
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Time Left: 27 Days
Ending: 12/17 at 09:53 PM ET
$4,900.00
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Ships from | Bethel, CT, 06801 |
Ships to | United States |
Package dimensions | 23.0" x 23.0" x 15.0" (70.0 lbs) 23.0" x 23.0" x 15.0" (70.0 lbs) |
Shipping carrier | UPS |
Shipping cost | Specified after purchase |
Original accessories | Box |
Average | Research Pricing |
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Mint customer trade-in
1 pair Mark Levinson No 531H mono amplifiers
Great condition, original packaging, gloves and manuals.
Mark Levinson is one of the world’s great high end audio manufacturers. They make a wide variety of electronic components, including pre amps, DACs, CD transports, SACD players as well as a surround sound processor they call a “Media Console”. Levinson has also teamed with luxury auto manufacturer, Lexus so you can take their audio products on the road. Nonetheless, Mark Levinson is almost certainly best known for their very large, very powerful and very expensive power amplifiers. They enjoy a well deserved reputation for making some of the best – if not the best – solid state power amps around.
The Nº 531H is from a series of four new Mark Levinson power amplifiers. The amplifiers in the Nº 500H series are available in 1, 2, 3 and 5-channel configurations. Each model uses the same chassis. The Nº 531H’s are monoblock amplifiers that are rated at 300 watts per channel into an 8 ? load. A first for Levinson is that the 3 and 5-channel models are quasi-monoblock designs. The Nº 500H Series of amplifiers are the most affordable amplifiers from a true high end company.
Specifications
- Design: Fully-Differential Monoblock Power Amplifier
- Power Output : 300 Watts RMS into 8 Ohms
- MFR: 10 Hz – 20 kHz ± 0.5 dB
- THD: 0.5%
- Input impedance: 60 kOhms (Balanced), 30 kOhms (Unbalanced)
- S/N: >85 db at 2.83V
- Inputs: Balanced XLR and Unbalanced RCA
- Control: One Ethernet 10 Base-T port, One 3.5mm trigger input and One 3.5mm plug trigger output
- Dimensions: 7.65″ H x 17.75″ W x 19.83″ D
Like most Mark Levinson amplifiers, the Nº 500H series are fully-differential amps. This means that the signal remains balanced from the line level input to the speaker outputs. And similar to other Mark Levinson amps, the Nº 500H amplifiers feature numerous output devices. In the case of the Nº 531H, there are 16 output transistors per channel.
Another design hallmark of Mark Levinson amplifiers is the inclusion of a lot of capacitance for each amplifier channel. So the design of the Nº 531H includes a substantial amount of capacitance for each amplifier channel, only this time numerous smaller capacitors are used so the capacitors can be situated closer to the output devices. Levinson claims that this design feature provides greater transient response when power is needed quickly
The Nº 531H is a current feedback design as opposed to a voltage feedback design. This topology is said to provide faster operation, improved slew rate and greater bandwidth at high gain levels
Like other Levinson amps, the Nº 531H has impeccable build quality. The front panel has a very nice anodized aluminum finish. There is a soft start On/Standby button and a Power/Status LED in the center of the front panel. The status LED glows steadily when the unit is on and flashes different patterns to let you know if it is in standby or a protection mode. The inputs are switchable between XLR and RCA. The Nº 531H amps also have the Mark Levinson exclusive hurricane binding posts. Also on the back panel are Ethernet and 12V trigger controls and a master power switch
Like other Mark Levinson amps the traces on the printed circuit boards are curved. Also, the Nº 531H has an isolated chassis and isolated signal grounds to minimize noise. This is said to optimize detail, even at low listening levels. The case is cooled passively by some large heat sinks. The sparsely-populated case was designed to hold up to five channels, so the amps always ran very cool.
The biggest area where the Nº 531H deviates from past Mark Levinson amplifier designs is that it doesn’t “double-down” when the speaker impedance is halved. As a matter of fact, Levinson doesn’t even provide an official specification for the amp’s output into a 4 ? load. Mark Levinson claims that the “double-down” capability is not absolutely necessary since the Nº 500H amps are designed for real-world program material. According to Levinson, with real-world material, the average level is relatively low with much higher peak power demands. So the Nº 500H amps are designed for good transient response and peak power delivery as opposed to high continuous outputs. That is one reason why the Nº 500H amps contain relatively small transformers and are overall lighter-weight than what you would expect from Mark Levinson. Bear in mind that they also don’t cost nearly as much as the larger Levinson amps.
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