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Description

SPL Phonitor One D is a headphone preamplifier. The headphone amplifier's output stage is designed as a push-pull amplifier in class AB mode. The bipolar transistors share the positive half-wave and negative half-wave amplification, resulting in higher gain and output voltage than Class A operation, where only one transistor amplifies two half-waves.

The transistors in the output stage are thermally coupled and therefore operate in a particularly coherent manner, helping to achieve a consistent and stable soundstage. The power supply has a low-resistance source buffer circuit, even when low-impedance headphones are used, to ensure sufficient current reserves.

SPL Phonitor One D has the option to connect two analog stereo inputs and one digital USB input to the Phonitor One D. It is best connected to a computer, tablet, or phone via USB. Other players (such as CD players, mixers, synthesizers, or analog turntables / turntables) can be connected to the analog line input, whether balanced (TRS connector) or unbalanced (RCA).

The converter chip used is the Premium AK4490, which is a new generation of advanced 32-bit DAC equipped with AKM's VelvetSound®. With its low-distortion architecture, the technology can hear the finest details. It supports sampling rates of up to 768 kHz PCM (16x CD resolution) and DSD (Direct Stream Digital) playback of up to DSD4 or DSD256 (11.2 MHz) resolution.

This allows the Phonitor One D to have the highest resolution audio playback currently available. The USB connection fits into this category. This means that all Mac computers and iOS devices, such as iPads and iPhones, can use the full performance bandwidth of the DA converter without installing drivers.

Technical specifications

Analog inputs and outputs; 6.35 mm (1/4") TRS connector, RCA

Input gain (max.)+22.5 dBuLine In 2 input impedance (balanced)20 kΩCommon-mode rejection<60 dBLine In 1 input impedance (unbalanced)47 kΩOutput gain (max.)+22 dBuLine Out output impedance (balanced)150 ΩFrequency response (-3 dB)10 Hz - 200 kHzNoise (A-weighted, 0 dBu, 600 Ω load)-99 dBTHD + N (0 dBu, 10 Hz - 22 kHz, 600 Ω)0.002%THD + N (0 dBu, 10 Hz - 22 kHz, 32 Ω)0.013%Crosstalk (1 kHz)<75 dBDynamic range121.5 dB

USB, 32-bit AD/DA

USB (B), PCM sampling rates44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 / 705.6 / 768 kHzUSB (B), DSD over PCM (DoP), sampling rates2.8 (DSD64), 5.6 (DSD128), 11.2 (DSD256) MHz0 dBFS calibrated to15 dBuNoise (A-weighted, 44.1 / 48 kHz sampling rate)-113 dBFSTHD + N (-1 dBFS, 10 Hz - 22 kHz)0.0012%Dynamic range (44.1 / 48 kHz sampling rate)113 dBFS

Headphone output; 6.35 mm (1/4") TRS connector

WiringTip = left, ring = right, sleeve = GNDSource impedance20 ΩFrequency response (-3 dB)10 Hz - 200 kHzNoise (A-weighted, 600 Ω)-97 dBTHD + N (0 dBu, 10 Hz - 22 kHz, 600 Ω)0.002%THD + N (0 dBu, 10 Hz - 22 kHz, 32 Ω)0.013%Maximum output power (600 Ω)2 x 190 mWMaximum output power (250 Ω)2 x 330 mWMaximum output power (47 Ω)2 x 400 mWDamping factor (600 Ω)-99 dBCrosstalk (1 kHz, 600 Ω)-75 dB

Internal power supply

Operating voltage for analog audio+/- 17 VOperating voltage for headphone amplifier+/- 19 VOperating voltage for relays and LEDs+12 VOperating voltage for digital audio+3.3 V, +5 V

External power supply

AC/DC switching adapterGE18 / 12-SC half-waveDC jack(+) 2.1 mm pin; (-) 5.5 mm outer ringInput100 - 240 V AC; 50 - 60 Hz; 0.7 AOutput12 V DC; 1.5 A

Dimensions and weight

W x H x D (width x height including feet x depth)210 x 49.6 x 220 mmUnit weight1.45 kilograms

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SPL Phonitor One D

Name: SPL Phonitor One D
Brand: SPL
SKU: PHONITOR-ONED
Price: 659.00 EUR
Availability: OutOfStock

Vendor:SPL

SKU: PHONITOR-ONED

Headphone amplifier with digital converter

659,00 €

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