- 180 watts RMS x 5 @ 8 Ω
- 255 watts RMS x 5 @ 4 Ω
- 225 watts RMS x 2 @ 8 Ω
- 350 watts RMS x 2 @ 4 Ω
- Class A/AB circuitry designed by legendary John Curl
- Direct coupled - no capacitors or inductors in audio path ensures the cleanest signal
- Balanced XLR inputs with discrete circuits
- Full power is rated all the way down to 5Hz for unrestricted low-end bass
- Custom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel
- Hand-matched JFETs for input stage
- Hand-matched MOSFETs for driver stage
- Beta-matched 15 amp, 60 MHz bipolar output transistors (3 pairs per channel)
- 100,000 µF power supply filter capacitance
- DC Servo and relay protection circuits
- Auto turn on by audio signal or 12V trigger
- Heavy-duty 24k gold-plated, 5-way speaker terminals
- 3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately)
Power Output - All 5 Channels Driven
Power Output - 2 Channels Driven
Power measurements parameters with 120VAC
Current Capacity:
Dynamic Headroom:
Slew Rate
Frequency Response
Total Harmonic Distortion (THD)
IM Distortion
TIM
Interchannel Crosstalk
Input Impedance
Input Sensitivity for 28.28 V Output into 8 Ω
S/N Ratio
Damping Factor
DC Trigger Requirements
Audio Trigger Requirements
XLR Pin Identification
Dimensions
Net Weight
Shipping Weight
Power Requirement
|