Integra ADM-20.4

249 €

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2-Channel Amplifier

Expand your AV receiver’s audio distribution capabilities in the home theater and beyond with this powerful two-channel WRAT component, featuring auto power on and Three-Stage Inverted Darlington Circuitry.

Three-stage Inverted Darlington Circuitry

An important upgrade to the core WRAT (Wide Range Amplifier Technology) concept is Integra’s Three-Stage Inverted Darlington Circuitry, a low negative feedback topology featuring a discrete triple transistor array to cut distortion and boost current flow to the speakers. Discrete transistors also run cooler, extending the life of your output stage for more years of trouble-free service.

All-analog circuitry delivers ultra-clear sound

A standard integrated amplifier has the dual task of both processing and amplifying audio signals and is therefore susceptible to interference from digital circuitry. As a dedicated power amp with all-analog circuitry, the ADM-20.4 is protected against digital interference. When partnered with a quality pre-processor, this unit offers all the benefits of pure analog amplification: a warm, musical, and full-bodied sound.

High output power supply

DTS Play-Fi is the most widely adopted Whole Home Audio Technology in the marketplace—it puts you in complete control of your Music and allows you to effortlessly stream from your smartphone, tablet, or PC to DTS Play-Fi speakers and devices throughout the home. Easy to set-up, easy to expand, and easy to enjoy—DTS Play-Fi and Integra—a smart solution.

Advanced features

Heavy Duty EI Transformer
Two Large 10,000 μF Capacitors for Effective Power Supply
Low-Impedance Copper Bus Bars for Perfect Ground Potential
High-Current, Low-Impedance Drive
Flat, High-Rigidity, 1/16” (1.6 mm) Anti-Resonant Chassis
Multi-Zone Audio Capability with Line-In and Line-Out

SPECIFICATIONS

Type	2-channel dedicated power amplifier (solid-state)
Amplifier topology	Discrete analog design · WRAT (Wide Range Amplifier Technology) · 3-Stage Inverted Darlington Circuitry
Power output	75 W/ch (8 Ω, 1 kHz, 0.08% THD, 2 channels driven, FTC) / 65 W/ch (4 Ω)
Frequency response	10 Hz – 100 kHz (+0 dB / −3 dB)
THD + N	0.08% at rated power
Signal-to-noise ratio	110 dB (line, IHF-A)
Damping factor	60 (8 Ω, 1 kHz)
Input sensitivity / impedance	870 mV / 20 kΩ (unbalanced RCA)
Line output level	0.87 V / 270 Ω
Speaker impedance range	4 – 16 Ω
Channels	2
Inputs	2 × RCA line inputs
Outputs	Speaker outputs + line-out (multi-zone capable)
Power supply	Heavy-duty EI transformer + dual 10,000 µF capacitors
Control features	12V trigger in/out · auto power-on (signal sensing) · auto standby
Chassis	Anti-resonant steel chassis + aluminum front panel
Extra features	Impedance selector (4–8 Ω / 8–16 Ω) · rear level adjustment
Power consumption	160 W
Standby power	0.5 W
Dimensions (W × H × D)	435 × 139 × 317 mm
Net weight	8.0 kg