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Luxman EQ-500 Reference Phono Preamplifier

luxman-eq500

The joy of analog reproduction is the indulgence of the harmonic density and tonal character of vinyl playback, faithfully reproducing sound vibration and resonance inscribed on analog records without interruption.

The EQ-500 phono equalizer amplifier is a vacuum tube design for all stages to provide the ultimate experience in the expressive and colourful reproduction of music. Fine adjustment and switching functions that are easily accessible on the elegant front panel allow you to enjoy the real pleasure of analog reproduction.
The debut of LUXMAN’s masterpiece phono equalizer amplifier, the EQ-500, brings a new dimension that offers an extensive menu of the finest details of analog reproduction allowing you to recreate that ideal sound from your memory.
The phone equalizer amplifier plays a unique role as part of an amplification system with respect to the characteristics and delicacy of signals. Because of this uniqueness, phone equalizers have been designed using various kinds of circuit methods and elements and have captivated the interest of enthusiasts for whom the detail of the sound is paramount. The EQ-500 is equipped with the circuit technology and musical essence inherent to its predecessor, the E-06 from LUXMAN.

Ypsilon VPS-100 Phono Stage

Ypsilon VPS Phono Stage“Untouchable… but not Unreachable”

The road to VPS-100 took many turns in our long and extensive evaluation of topologies and materials, design and implementation.

Passive RIAA equalization is preferred to active because in active RIAA equalization there is a feedback loop and the RIAA network is in this feedback loop.

Usually RIAA equalizer circuits are implemented with capacitors and resistors (CR networks). Capacitors present the so called “dielectric absorption” -energy is stored in the dielectric material and is added to the signal with a small delay producing a ringing character in fundamental notes. This ringing behavior can be noticed in piano notes.

In the past an alternative way of implementing a RIAA equalizer the LCR (Inductance-capacitance-resistance) circuit was proposed.

A long time ago TANGO transformers from Japan used to produce such a circuit working in 600Ohms.

A few manufacturers are using LCR based phono stages using variations of the original TANGO LCR circuit. The challenge in 600ohm LCR eq is to drive the network properly; having no more than 2 gain stages with enough overall gain and low enough output impedance.

The best way of driving the LCR network is by using a transformer. We design and build ourselves the transformers using a special amorphous c-core material. Winding insulation is paper. A properly implemented LCR RIAA sounds much more natural, musical and open than CR networks with better defined macro and micro dynamics.

The LCR networks most commonly used are based in double T filter networks. One T filter forms the 50-500Hz poles and the second T filter forms the 2123Hz pole.

In the VPS-100 we took it one step further, the 2123Hz pole is formed by air core inductor with practically no stray capacitance at the first gain stage and the 50-500Hz poles are formed in high signal level directly at the output of the second gain stage. So this is a split RIAA design using two gain stages based on the SIEMENS C3g tube. These tubes are very reliable as they are specified for 10.000 hours.

The power supply uses the 6CA4 tube rectifier and a choke filter .The heaters for the tubes are AC in the second stage and DC passive regulated for the first stage. The construction uses no printed circuit boards and is point to point silver wired using our own extruded and annealed to spec silver wire. Special attention is paid to mechanically de-couple the first gain stage and 2123 pole coils using a specially designed decoupling system.

The rest of the construction is mounted on a aluminum sub chassis that forms together with the aluminum bottom plate a very rigid platform.

Thales Simplicity Tonearm

The One and Only Tangential Pivoted Tonearm
It’s technology fascinates, it’s music inspires.

The Simplicity is the fellow of the revolutionary Thales tonearm. Its geometry is based on a newly created TThales Simplicity TA Trioetragon solution previously developed  in 1953, which reduces the tracking error to a maximum of 0.008°. We agree – this value is too small to be of any interest.

But it might well be interesting that this tonearm uses the same bearing technology as the Thales tonearm. Six jewels and four sub-miniature ball bearings make sure that the friction and clearance are within our state-of-the-art tolerances. The intrinsic frequencies of the two tonearm tubes are carefully tuned up in harmonic proportions to even top the damping properties of any single-arm design.

Hartvig TT Signature Turntable

Hartvig Audio’s high end turntable is built with a passion for hi-fi and a dream of bringing recorded music alive in your own living room. The turntable is a handcrafted quality product with longevity, and it is timeless and pure styled in its design.The TT Signature ensures an incredible reproduction of sound and distinguishes itself from the digital media, as the analog sound is both smooth and reproduces the music down to the last detail.Hartvig TT