Technical Data Gentle G192-ACB:
The Gentle G192-ACB is a digital pre-amplifier with possible options.
The technical data given here are valid at room temperature (+20°C/68°F),
maximum gain (0dB) and power supply of nominal 230V (200V to 264V, 50Hz +/-3%), other wise noted:
dB-values given in brackets (-5dB) are valid for the actual measured.
Software Version V1.014 dated 13.10.2008
Features of the signal processor section (DSP):
| Method of audio manipulation: |
Fast Convolution (FFT – Multiplication – IFFT) |
| Frequency resolution: |
23.4375Hz |
| Length of FFT blocks: |
43msec |
| Total delay caused by the Fast Convolution: |
43msec |
| Available filter slope functions: |
1 Oct. 1/2 Oct. 1/3 Oct. bis 1/12 Oct. |
| Available filter characteristics: |
low pass, band pass, high pass |
| Number of available filter channels: |
6 |
| Range of gain slider: |
-20.0dB to +10.0dB |
| Step size of gain slider: |
0.1dB |
| Graphical display frequency range: |
10Hz to 96kHz |
| Graphical display gain range: |
-36dB to +10dB (positive values automatic adjusted) |
Analog features of the A/D-conversion:
| Coupling (unbalanced): |
DC (no lower corner frequency, no coupling capacitors) |
| Frequency slope DC-22kHz: |
+0 / -0.40 dB |
| Input voltage max. (0dB): |
2.0Vrms = +6.0dBV |
| Input impedance: |
47kΩ // <10pF |
| THD+N vs frequency DC-22kHz unweighted (-1dB): |
< -90dB |
| Signal to noise ratio unweighted: |
> 96dB |
| Channel separation left / right @ 1kHz with 50Ω input termination: |
> 100dB |
| Channel separation stereo inputs among themselves @ 1kHz: |
> 120dB |
| Acceptable input DC offset voltage: |
+/- 100 mV max. |
Digital features of the A/D-conversion:
| Sampling frequency: |
192kHz |
| Quantization: |
6x 24Bit |
| Operating frequency of the A/D-converter: |
24.576MHz (512x 48kHz) |
| Number of A/D-Converters: |
3x Stereo, (3x CS5351) |
Analog features of the D/A-conversion:
| Coupling (unbalanced): |
DC (no lower corner frequency, no coupling capacitors) |
| Frequency slope DC-22kHz: |
+0dB / -0.40dB |
| Output voltage max. (0dB): |
2.4Vrms = +7.6dBV incl. +1.6dB Gain |
| Output impedance: |
22Ω // 30pF |
| THD+N vs frequency DC-22kHz unweighted (+6dBV): |
< -90dB |
| Signal to noise ratio unweighted: |
> 96dB |
| Channel separation left / right @ +6dBV + 1kHz: |
>108dB |
| Output DC offset voltage: |
+/- 20 mV max. |
Digital features of the D/A-conversion:
| Sampling frequency: |
192kHz |
| Quantization: |
2x 24Bit |
| Operating frequency of the D/A-converter: |
24.576MHz (512x 48kHz) |
| Number of D/A-Converters: |
1x Stereo, (CS4344) |
Features of the ADB-Option:
2 analog high level A/D input channels and 2 electrical S/PDIF inputs
Features of the analog input parameters and digital features of the A/D conversion equal to the above mentioned.
Digital inputs S/PDIF:
| Coupling (unbalanced): |
DC with respect to ground |
| Input impedance: |
75Ω |
| Input level at 75Ω: |
1000mVss max. |
Features of the Advanced-option:
| Frequency range: |
DC to 24kHz |
| Variables: |
magnitude and phase plus room correction data |
| Range for magnitude: |
-25.0dB to +25.0dB |
| Range for room correction data: |
-90.0dB to +25.0dB |
| Step size for magnitude: |
0.1dB |
| Range for phase: |
+/-2000° (no modulo function) |
| Step size for phase: |
1° |
| Range for delay: |
0msec bis 1000msec |
| Step size for delay: |
0.01msec |
| Functions: |
Store, Reload, Export, Import, 3x Clear (separately) |
| Format of export/import: |
*.TXT (for use with an Excel-sheet) |
| Size of the export/import table: |
1024 lines by 3 values |
Display and control keys on the front panel:
| Control knob functions: |
16 divisions left/right turning, 1 push button |
| Grafical TFT-display: |
800x480 pixel 6Bit RGB each |
| TFT-display window in mm (BxH): |
154 x 93 |
| Actuation of the buttons on the TFT-display: |
Touch-Screen full-screen |
IR-Remote-Control:
| Number of buttons: |
45 (rocking-levers count twice) |
| Carrier frequency of the IR-transmitter: |
38kHz |
| Typical live time of the batteries: |
2 years or longer |
| Alkali battery type: |
AAA or LR03 (for example: DURACELL Alkaline MN2400) |
| Dimensions without buttons and feet in mm (WxHxD): |
195 x 56 x 28 |
| Weight with batteries: |
113g |
Toslink (digital) inputs:
| Number of digital audio inputs: |
4 |
| Coupling: |
optical |
| Sampling frequency of the Toslink inputs: |
32kHz to 192kHz stepless |
| Quantization of the Toslink inputs: |
2x 24Bit, Stereo |
Toslink (digital) output:
| Number of digital audio outputs: |
1 |
| Coupling: |
optical |
| Sampling frequency of the Toslink output: |
96kHz |
| Quantization of the Toslink output: |
2x 24Bit, Stereo |
USB and LAN connections:
| Number of USB connections: |
1x device, 2x host |
| Standards of USB connections: |
USB 1.1 |
| Maximum current USB-host: |
500mA both together |
| Speeds of the LAN connections |
10/100MBd |
Connections:
| Connectors for analog in- & outputs and S/PDIF unbalanced inputs: |
High precision Cinch sockets gold plated |
| Connectors for optical inputs: |
Toslink |
| Connector for optical output: |
Toslink |
| Connector for Extension: |
SubD 15Pol socket |
| PC-connections: |
1x USB-B (device), 2x USB-A (host) and 1x RJ45 (LAN) |
| Power supply connector: |
3-pole standard IEK mains socket |
Parameters of power supply:
| Mains single phase, nominal: |
100V to 240V, 50 to 400Hz |
| Mains for operation (physically): |
90V to 264V, 47 to 420Hz |
| Power consumption G192-ACB standby: |
ca. 8W |
| Power consumption G192-ACB in operation: |
ca. 10W |
| Power consumption G192-ACB-ADB in operation: |
ca. 13W |
Temperatures:
| Temperature range operating (room temperature: +20°C/68°F): |
+10°C/+50°F to +40°C/+104°F |
| Operating temperatur at room temperature: |
+10°C/+50°F to +37°C/+99°F |
| Temperature range storage (transportation also): |
0°C/+32°C to +70°C/+158°F |
Mechanical Figures:
| Type of housing: |
Aluminum (2.5mm) with from solid milled front panel (12mm) |
| Threaded connections (for service only): |
12x TORX 20 in top cover |
| Removable feet: |
4pcs. with metric M6 thread fastened, TORX30 |
| Available threads for use with spikes: |
5pcs. M6 maximum 10mm thread length |
| Available colour: |
Al-nature anodically oxidized |
| Dimensions without knob, binding posts and feet in mm (BxHxT): |
400 x 115 x 324 |
| Dimensions with knob, binding posts and feet in mm (BxHxT): |
400 x 125 x 361 |
| Weight G192-Basic: |
ca. 8.8kg/19.2lbs |
| Weight ADB-Option: |
72g/0.l6lbs |
| Weight of the packaging and accessories: |
ca. 2.7kg/6.0lbs |
| Maximum weight with packaging and accessories (shipping weight): |
ca. 11.5kg/25.4lbs |
Safety:
| Electrical Safety: |
according EN 60065: 2002 |
| Safety against squirting water: |
according IPX4 |
CE-Approval:
| Emission: |
EN 55013: 2000, EN 61000-3-2: 2000 and EN 61000-3-3: 1996 |
| Disturbing influence: |
EN 55020: 2000 |
| Electrical discharge: |
EN 61000-6-1: 2001 |
State of information: 13. March. 2010. Data given are subject of change without notice.
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