Luxman EQ-500 Phono Amplifier

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    The joy of analog is the indulgence of the harmonic density and tonal character of vinyl playback, 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 expressive and colorful music. Fine adjustment and switching functions that are easily accessible on the elegant front panel allow you to enjoy the real pleasure. The debut of LUXMAN’s masterpiece phono equalizer amplifier, the EQ-500, brings a new dimension offering the finest details.

    All stages of the EQ-500 are vacuum tube. For the 1 and 2 stage a SRPP (Shunt Regulated Push-Pull) circuit is used which features low impedance, low distortion and prolongs the life of vacuum tubes. For the final stage a cathode follower parallel circuit is used with the ability to lower impedance further. The excellent sound quality of the CR circuit, supported by linear characteristics, is a direct result of the quality of parts used. LUXMAN has achieved the ultimate in high grade analog reproduction thanks to more than half a century of experience. To protect minute analog signals from noise and magnetic field interference, the main sections are strongly shielded. The loopless chassis design of the EQ-500 isolates any ground impedance increase and magnetic field caused by the chassis current.

    The EQ-500 is housed in an elegantly thin chassis that can be mounted easily on a control amplifier. Stylish pointer type analog VU meters with a sensitivity selection switch monitor the output levels and sit on the blaster white front panel alongside a variety of additional control switches.

    The EQ-500 features a load capacity selection function from which 6 levels (0/50/100/150/200/300pF) can be selected according to the characteristics of the cartridge. Combined with the load impedance selection function (30k to 100k ohms continuously variable) the original potential of the cartridge can be fully exploited.

    All main control functions can be operated from the front panel of the EQ-500; articulator function (cartridge demagnetizer), 3 position gain selection, unbalanced/balanced output selection, phase invert, monaural mode, low cut and high cut switches.

    The phono equalizer amplifier plays a unique role as part of an amplification system with respect to the characteristics and delicacy of signals. Because of this, phono equalizers have been designed using various kinds of circuit methods and elements and have captivated the interest of enthusiasts and detail of sound. The EQ-500 is equipped with the circuit technology and musical essence inherent to its predecessor, the E-06 from LUXMAN. This renowned circuit technology has been newly improved and uses vacuum tubes for all of the amplifier elements to bring the spirit of analog sound into life.

    The vacuum tubes specified for the EQ-500 are manufactured by JJ Electronic in Slovakia and have a reputation for high quality and superior performance. The characteristics of the gold plated ceramic tube sockets are ideal due to their solidity and low contact resistance. A stable voltage can be supplied to the amplification circuit using a rectifying tube and a choke coil.

    A large-capacity output transformer as well as MC step up transformers each play a critical role in determining the sound quality and performance are made of super permalloy that particularly enhances the response to small signals. In addition, 4 units of MC step up transformers are mounted for MC-HIGH, MC-LOW, right and left independently.

    The high-rigidity insulator legs carved from solid block aluminium to suppress any vibration reaching the internal circuits of the EQ-500.

    Circuiting system SRPP, final stage cathode follower
    Non-feedback CR type equalizer
    Vacuum tube ECC83 x 4 pieces, ECC82 x 2 pieces,
    and EZ81 x 1 piece
    Input sensitivity (1kHz, When the gain is set to 36dB) MM: 4mV
    MC: high 0.44mV, MC: low 0.18mV
    Input impedance MM: 30kΩ to 100kΩ (variable)
    MC: high 40Ω, MC: low 2.5Ω
    Rated output/output impedance 250mV/850Ω
    Gain(1kHz, When the gain is set to 36dB) MM: 36dB
    MC: high 55dB, MC: low 63dB
    Maximum allowable input (1kHz) MM: 300mV, MC: high 34mV,
    MC: low 13mV
    RIAA deviation MM/MC high/MC low:
    20Hz to 20kHz (±0.3dB)
    Channel separation (10kHz) 65dB
    Input Unbalanced line x 3
    Output Unbalanced line x 2, Balanced line x 1
    Power supply 230V~(50Hz) / 115V~(60Hz)
    Power consumption 47W
    Dimensions 440(W) x 92(H) x 397(D) mm
    front side knob of 5mm and rear side
    terminal of 12mm included in depth
    Weight 12.5kg

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