541 Digital Player



Philosophy In many areas the 540 digital player is based on the same proven technical solutions used in the 745 SACD player. It also embodies the same principles in its design: a superb quality drive for perfect data readout, a super-precise master clock generator to avoid jitter, intelligent digital signal processing with oversampling technology, and analogue output stages of top end preamplifier quality. Design As with its Series 7 sibling the 540 digital player is packed with cutting-edge technology with one objective - the love of music. The parallels include a consistent dual mono design in the output stages and separate power supplies for digital electronics, the drive and the analogue stages. The 540 adds a digital volume control that allows direct connection to a power amplifier. And with its USB input the 540 is ready for the integration of high quality computer audio. A truly versatile player. Drive and drive management Drive quality is critical in a high-end player. For the 540 we chose the Esoteric drive from Teac. Audio data from the disc is buffered then 8x oversampled and upsampled. We believe precision of interpolation is more important than high clock rates. Our players use an algorithm from the highly regarded Anagram Technologies followed by Burr Brown D/A converters in a digital symmetric panerai replica configuration. D/A converter and output stage Burr-Brown devices perform D/A conversion only. The output currents are converted to voltage and then filtered. With an internal bandwidth of 40 MHz, this current/voltage conversion stage allows best signal-to-noise performance and maximum dynamics in the analogue domain. Output stage The wideband output stage of the 540 digital player has a bandwidth of 20MHz (-3dB). With such speed of response all musical details are reproduced true to life creating a three-dimensional, spatial sound to bring real listening pleasure. Operation The 540 digital player is operated from front-panel buttons and a rotary control. Further functions can be used to optimise and match an entire audio system around different components. Connections Analogue outputs: - 1 x balanced output (XLR) - 1 x unbalanced output (RCA) Digital outputs: - SPDIF (RCA) - AES/EBU (XLR) - Optical (Toslink) Digital inputs: - SPDIF (RCA) - AES/EBU (XLR) - Optical (Toslink) - USB LINK-System

FFT analysis in DAC mode (96kHz, 24 bit) All distortion components are below the -120dBr mark and thus clearly below the resolution of 16bit CD data. Only when measuring with high-resolution 24bit data, distortion components can be proven in the 540 digital player. Noise floor The inherent noise of the 540 digital player is at about -160dBr, measured with maximum output signal for both low and high frequencies. This provides the basis for a detailed and precise sound image. Nominal voltage Model 220 – 240 V / 50 – 60 Hz 220 – 240 V Model 100 – 120 V / 50 - 60 Hz 100 – 120 V Power consumption OFF (standby) <0.5 W ON 50 W Main-Out Output voltage balanced 4 Vrms unbalanced 2 Vrms Peak Output Current 0.2 A Output impedance balanced 10 Ω unbalanced 10 Ω Frequency response (depending on data format) DC-100 kHz Distortion (THD+N) <0.002 % Noise floor 140 dB Volume range 0...-80 dB Balance range <- 9...0...9 -> dB Digital-Out Output voltage SPDIF 500 mV p-p AES/EBU 5 V p-p Output impedance SPDIF 75 Ω AES/EBU 110 Ω Digital-In Sensitivity 0.3 - 5 V p-p Input impedance SPDIF 75 Ω AES/EBU 110 Ω PLL – range +/- 100 ppm LINK-System +12 V

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