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Kategorie: D/A-Wandler

Ausstattungsliste: Alpha Design Labs ADL GT40

    GT40 has no setting for gain to match different impedance headphones. We recommend using 16 ohm to 300 ohm impedance headphones.
    The TENOR chip used in the GT40 has a bandwidth limitation of 12Mbps (USB 2.0 full speed operation), and due to this limitation only one I2S input or output can be set for 24bit/96KHz application at one time. Therefore, under this condition, for simultaneous multiple-channel applications other I2S interfaces must be configured at 16-bit/48KHz or 16-bit/96KHz. In other words, when recording it is necessary to set the audio Input on the computer to 24bit/96KHz (PC-Sound application; MAC-MIDI application), but do not set not the audio Output to 24bit/96KHz. The Output should be set to a lower 16bit resolution until recording is done. Then when you want to playback your 24bit/96KHz files through the GT40 you need to reset the output to 24bit/96KHz and reset the input to a 16bit resolution.

Ausstattung & technische Daten
USB & Analog Playback and Record multimedia audio system
Connectivity USB B Interface, Analog input/output RCA jack
USB Playback Resolution 24bit/96KHz
USB Recording Resolution 96kHz (Max) supports 32kHz/44.1kHz/48kHz
Frequency response 20Hz ~ 20kHz (40Hz: +0.5 dB, 15kHz:-0.5dB)
SN ratio -90dB (A-wtd) / Line Output
Line Output Level 1 Vrms
Line Input Level MC 0.4mV / MM 5mV / Line 1V
Headphone Output Level 80mW ( 32 ohm ) Max.
Power Supply AC Adaptor Rating AC 9V 0.5A
Dimensions 150 (W) x 111 (D) x 57 (H) mm
Weight 785g Approx.
The load (Input impedance) for the ADL GT40 is as follows
Line 50K ohm Approx.
MM 46K ohm Approx.
MC 10K ohm Approx.
Maximum Input Level for MM 5.0mVrms at 1K Hz
Maximum Input Level for MC 0.4mVrms at 1K Hz
Maximum Input Level for LINE 1Vrms at 1K Hz
The Gain setting for the ADL GT40 is fixed at 62.5dB for MC and fixed at 48.5dB for MM.
(MC input to LINE output) => 62.5dB @ 1K Hz , +6dB(Line)
(MM input to LINE output) => 48.5dB @ 1K Hz , +6dB(Line)
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