Project AD Box S2 Phono A/D converter for line & Phono with USB and analogue output Silver
Features
MM & MC capable
Linear RIAA equalisation
Phono stage technology by Dr. Sykora
Line level input switchable
Recording level control
USB recording output to computer (Win & Mac)
Ultra low noise & low distortion levels
SMD circuitry
Metal casing protects against vibration and interference
High-quality recording of analogue media on computers!
Our aim was to design a flexible product which allows converting precious vinyl records or analogue tapes to the computer. This digital copy acts as an indestructible backup for valuable and beloved audio collections and extends the lifetime of rarity records and tapes.
Storing music in computer offers the possibility of removing clicks, eliminating noise from old and wearing recordings. Data from a computer can be burned on CD and also can be used in cars and with mobile devices like smartphones, tablets etc.
A front-sided input selector allows selecting desired inputs: Phono or Line. A signal from the selected input is present on analogue output. This function allows to connect AD Box S2 Phono permanently in a HiFi system, use it as standard phono preamplifier and in case of need you can convert your records to digital data, stored in your computer. Record level adjustment is extremely helpful because signal source scans significantly vary in the level of their output voltage. Such big differences in voltage level can easily overload the input of an A/D converter what is hearable as a distortion.
On the other hand, if the AD Box S2 Phono converter is not fed with the proper level of the signal, the sound will lose resolution. This is the reason why the level of the signal on ADC input must be set carefully. Due to its outstanding audio quality and valuable features, AD Box S2 Phono makes a perfect partner for a recording of analogue sources.
Compatible upgrade power supply: Accu Box S2, Accu Box S2 USB
Specifications
Input capacitance/input impedance, MC 100 Ohm / 12 0pF
input capacitance/input impedance, MM 47 kOhm / 120 pF
Gain MM/MC 40 dB / 56 dB
Gain, line level input 11 dB
Max. output 5 Vrms / 1 kHz
Noise floor, MM / MC 94 dBA / 75 dBA
THD, MM / MC <0,003% / <0,02%
RIAA-equalisation curve accuracy: 20 Hz - 20 kHz / max. 0,5 dB
A/D converter Burr Brown PCM2904 16-Bit Delta Sigma
Sampling rates 32, 44,1 und 48kHz
USB output 5 pin mini b connector
USB signal digital serial data protocol USB 1.1
Phono-In 1 pair RCA/phono sockets
Line-In 3-pole 3.5 mm co-axial jack
Analogue output 1 pair RCA/phono socket
Outboard power supply 5 V /1 A DC
Power consumption 300 mA DC, <1W in standby
Dimensions W x H x D with sockets 103 x 37 x 127 mm
Weight 330 g without power supply
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