Audison SR 1Dk Amplificatore mono classe D

Audison SR 1Dk 1200W Amplificatore monofonico specifico per subwoofer
 

I nuovi Amplificatori SR nascono per gli appassionati che si affacciano al Car Audio e per utenti esperti che desiderano un impianto non invasivo ma di alte prestazioni. Entrambi potranno godere di amplificatori d’eccellenza, in grado di soddisfare il desiderio di potenza e di qualità musicale nel rispetto della famosa filosofia Audison.

La rinnovata linea SR ha ancor più carattere innovativo: uno stile e una tecnologia orientati verso gli standard più alti del marchio Audison attestati dalla pluripremiata linea Thesis. Il progetto SR, nell’elettronica di avanguardia, nella costruzione monoblock e nella versatilità d’uso è la migliore scelta nel perfetto equilibrio tra dimensioni, potenza, look e qualità del suono.

Specifiche SR 1Dk:

1 PRE-OUT pass-through from high level SPEAKERS-IN input
2 Fully by-passable crossover FILTERS
3 Removable panel to hide and protect controls
4 Monoblock aluminium heatsink construction
5 Fanless convection cooling system
6 Built-in SUBWOOFER volume control module, requires only
   the connection of optional VCRA controller
7 Strip fuse located on the control panel for easy replacement
8 Connections:
   • Power supply terminals accepts 7 mm diameter (4 AWG) cable
   • Speaker terminals accepts 4.5 mm diameter (8 AWG) cables
   • Hi Level speaker and remote turn-on terminals equipped
     with removable connectors with screw fastening
9 “D” class topology, delivering 600W at 4 ohms and 1200W
    power at 1 ohm
10 Ability to “bridge” with another SR 1Dk for increased power output
    up 2400 W @ 2 ohms
11 “Amp Chain Mode” function to connect amplifiers together
    using only the first as the “master” for amplifier controls
12 Continuously adjustable phase control
13 Adjustable Subsonic Filter
14 Frequency and level adjustable parametric equalizer
15 Adjustable LO-pass filter 24 dB

SR 1Dk - Power Supply
Power supply voltage: 11÷15 VDC
Idling current: 2 A
Switched off: < 0.01 mA
Remote IN voltage: 7÷15 VDC (1 mA)
Remote OUT voltage: 11÷15 VDC (15 mA)
Internal fuse (AFS): 80 A
Consumption @ 14.4 VDC, 1 Ω,
Max Musical Power: 70 A

SR 1Dk - Amplifier stage
Distortion - THD (100 Hz @ 4 Ω): 0.3 %
Bandwidth (-3 dB): 18 ÷ 550 Hz
S/N ratio (A weighted, 1 V): 85 dB
Damping factor (100 Hz @ 4 Ω): 150
Input sensitivity (PRE IN): 0.3 ÷ 5 VRMS
Input sensitivity (Speaker In): 1 ÷ 15 VRMS
Input impedance (PRE IN): 15 kΩ
Input impedance (Speaker In): 100 Ω
Load impedance (Min): 1 Ch 1 Ω

SR 1Dk - Power
Nominal power (RMS) @12 VDC; 1% THD :
1 Ch @ 4 Ω 420 W x 1
Output power (RMS) @14.4 VDC; 1% THD:
1 Ch @ 4 Ω 600 W x 1
1 Ch @ 2 Ω 940 W x 1
1 Ch @ 1 Ω 1200 W x 1

CEA 2006-A RATINGS
Output Power @ 4 Ω, ≤ 1%
THD+N, 14.4 V: 520 W x 1 Ch
S/N ratio (ref.1 W output):
520 W Channel: 56 dBA

SR 1Dk - Inputs/Filiers
IInputs Pre IN / Speaker IN
Output Pre OUT / MASTER / SLAVE
Filter LO-pass ON/OFF 50 ÷ 220 Hz @ 24 dB/oct
Subsonic OFF ÷ 40 Hz @ 24 dB/oct
Equalizer 0 ÷ + 9 dB @ 40 ÷ 90 Hz
Phase Continuos 0° ÷180°
Sub remote volume control OFF ÷ + 6dB

SR 1Dk - Size
WxHxD (mm) 213 x 53.5 x 408
WxHxD (inches) 8”7/16 x 2”1/8 x 16”1/16
Weight (kg/lb) 3.6 / 7.94

SR 1Dk - Amp Chain mode (Two Linked Amplifier)
Output Power (RMS) @ 14.4 VDC, 1% THD, 100 Hz
4 Ω 1800 W
2 Ω 2400 W