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Specifications

Feature
Value
Comment
features
THX Ultra2 Certified
+
# Channels
9
20 Hz to 20 kHz, 0.05% THD (FTC)
150W Min. at 8 Ω
20 Hz to 20 kHz, 0.7% THD (FTC)
175W Min. at 8 Ω
20 Hz to 20 kHz, 0.1% THD (FTC)
185W Min. at 6 Ω
Continuous 6 Ω Rated
+
Continuous 4 Ω Rated
+
WRAT (Wide Range Amplifier Technlogy)
+
Amplifier Frequency Response
5 Hz-100 kHz (+1 dB,-3 dB)
Push-Pull Amplification Design with Three-Stage Inverted Darlington Circuitry to Remove Distortion
+
All Discrete Output Stage Circuitry
+
Massive Shielded Toroidal Transformer
+
Independent Power Supply
3
Large Capacitors for Effective Power Supply
(x2) (Customized 22,000 Microfarad Each)
Reference Grade Capacitors
X (Audio Tuned for Each Channel)
Large, Custom-Designed Power Transistors
+
Low-Impedance, Copper Bus Plates for Perfect Ground Potential
+
High-Current, Low-Impedance Circuit Boards with Thick Copper Foil
+
Gold-Plated XLR Inputs
+
Machined Solid Brass RCA Inputs
+
Gold-Plated, Transparent Binding Posts
(5-way)
Multi-Zone Capability (up to Zone 3)*
+
Bi-Amping Capability*
+
12 V Trigger Input
+
Auto Power Down Function
+
Flat, High-Rigidity, Anti-Resonant Chassis
(1.6 mm Thick)
Aluminum Front Panel
+
Detachable AC Cord
+
Rack Mount Kit Available
IRK-180-4
Warranty
3 YEARS
*Depending on A/V Controller
-
Specification
All Channels
150 W/Ch at 8 Ω 20 Hz-20 kHz, 0.05%; 2 Channels driven, FTC
Dynamic Power
400 W (3 Ω Front) 300 W (4 Ω, Front) 180 W (8 Ω, Front)
THD (Total Harmonic Distortion)
0.05 % (Rated Power)
Damping Factor
60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and Impedance
1 V/47 kΩ (Balanced) 2 V/22 kΩ (Unbalanced)
Frequency Response
5 Hz to 100 kHz (+1dB, -3 dB)
Signal-to-Noise Ratio
110 dB (Unbalanced, IHF-A)
Speaker Impedance
4 Ω–16 Ω or 6 Ω–16 Ω
Power Supply
AC 120 V, 60 Hz
Power Consumption
11.7 A
Dimensions (W X H X D)
17 1/8" x 7 13/16" x 17 1/2" 435 × 198.5 × 445 mm
Weight
50.7 lbs (23.0 kg)
Release Date
First seen
3 April 2010