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Informácie o produkte Audison SR 1DK

     DYNAB Circuitry. For the final stage of the amplifier SR2 and SR4 the proprietary DYNAB (Dynamic AB) Class circuitry was employed, automatically managing bias current without the need for complex adjustments. DYNAB merges the simplicity of the traditional B Class amplifier with the qualitative benefits of an AB Class amplifier. Essential in the SR project is the use of the latest generation high speed TO247 transistors, for smooth, full sound performance.


     Total Aluminium Monoblock. Internal amplifier components can reach temperatures of 90°C (194°F) or more. This is why Audison chose to create the heatsink and related parts from aluminium; a material which has no peer in terms of heat dissipation, robustness and light weight.

     Convection Cooling System. The mechanical layout was designed to create convection cooling; aiding the intake of fresh air and the expulsion of hot air. In whatever conditions the amplifier is mounted in, this natural air circulation generates a "chimney" effect, creating an extremely efficient cooling system.

     Unconventional connections. The terminal blocks of the SR, featuring a rising clamp system preventing the cable from damage, are certified by the most recognized international safety authorities. The new guided wire insert system accepts cables up to 4 AWG for the power supply and up to 8 AWG for the loudspeakers with easy, intuitive, safe and secure connection.

     "User friendly" controls. The controls for operating modes, input sensitivity and crossovers are entirely independent, they are also by-passable and allow the most possible varied configuration range to the advantage of its excellent versatility of use.

     LNS™ and PRE OUT with Speakers-IN signal inputs. Both the Pre and the Speakers-IN signal inputs adopt the LNS™ circuit to eliminate electrical disturbances found in the car environment. SR 1D and SR 1Dk can create a PRE OUT signal using the Speakers- IN input, to interface it with OEM head units only featuring amplified outputs, thus allowing you to expand your whole audio system with the highest possible sound quality.

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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, 1Ω, Max Musical Power	70 A
Amplifier stage
Distortion - THD (100 Hz @ 4Ω)	0.3%
Bandwidth (-3 dB)	18 ÷ 500 Hz
S/N Ratio (A weighted @ 1 V)	85 dB
Damping factor (100 Hz@ 4Ω)	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	1Ω
CEA 2006-A RATINGS
RMS Power (4 Ohms, ≤1% THD+N, 14.4 Volts): 520W x 1 Ch
S/N Ratio (ref. 1W output): 520W Channel; 56 dBA
OUTPUT POWER (RMS) @ 14.4 VDC, THD 1%:
1 Ch @ 4Ω	600W x 1
1 Ch @ 2Ω	940W x 1
1 Ch @ 1Ω	1200W x 1
Inputs/Filters
Input	PRE IN / Speaker IN
Output	Pre OUT / MATER / SLAVE
Filter LO-pass	ON/OFF 50 ÷ 220Hz @ 24dB/Oct.
Subsonic	OFF ÷ 40Hz @ 24dB/Oct.
Equalizer	0 ÷ +9dB @ 40 ÷ 90Hz
Phase	Continuos 0° ÷ 180°
Sub remote volume control	OFF ÷ +6dB
Amp Chain mode (Two Linked Amplifier)
Output Powr (RMS) @ 14.4VDC, 1% THD, 100Hz
4Ω	1800W
2Ω	2400W
Dimensions
Max size (mm)	213 x 53.5 x 408
Weight (kg)	7.94

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