, 450 , or 250 .
180 watts RMS x 5 @ 8 255 watts RMS x 5 @ 4 225 watts RMS x 2 @ 8 350 watts RMS x 2 @ 4 Class A/AB circuitry designed by legendary John CurlDirect coupled - no capacitors or inductors in audio path ensures the cleanest signalBalanced XLR inputs with discrete circuitsFull power is rated all the way down to 5Hz for unrestricted low-end bassCustom 1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channelHand-matched JFETs for input stageHand-matched MOSFETs for driver stage Beta-matched 15 amp, 60 MHz bipolar output transistors (3 pairs per channel)100,000 F power supply filter capacitance DC Servo and relay protection circuitsAuto turn on by audio signal or 12V triggerHeavy-duty 24k gold-plated, 5-way speaker terminals3U chassis with updated cosmetics, rack mountable with HRA3 (sold separately)
| Power Output - All 5 Channels Driven |
180 watts x 5, 8
255 watts x 5, 4 |
| Power Output - 2 Channels Driven |
225 watts x 2, 8
350 watts x 2, 4 |
| Power measurements parameters with 120VAC |
0.05% THD, RMS continuous power,
full audio band (20 Hz - 20 kHz) |
| Current Capacity: |
45 amperes peak, per channel |
| Dynamic Headroom: |
>1.5dB |
| Slew Rate |
> 130 volts per microsecond |
| Frequency Response |
5 Hz - 100 kHz, +0/-3 dB
20 Hz - 20 kHz, +0/-0.3 dB |
| Total Harmonic Distortion (THD) |
< 0.05 % at full power
< 0.03 % at typical listening levels |
| IM Distortion |
< 0.04 % |
| TIM |
Unmeasurable |
| Interchannel Crosstalk |
> 78 dB at 1 kHz
> 63 dB at 20 kHz |
| Input Impedance |
Unbalanced: 47 k
Balanced: 94 k , 47 k per leg |
| Input Sensitivity for 28.28 V Output into 8 |
Unbalanced: 1 V
Balanced: 1 V per leg
Total Gain: 29 dB |
| S/N Ratio |
> 112 dB, input shorted, IHF A-weighted
> 102 dB, input shorted, unweighted |
| Damping Factor |
> 1100 at 20 Hz |
| DC Trigger Requirements |
+9 Vdc to +12 Vdc, 5 mA |
| Audio Trigger Requirements |
2 mV - 10 mV |
| XLR Pin Identification |
1 = Ground (Shield)
2 = Positive
3 = Negative (Return) |
| Dimensions |
Width: 17-1/4" (437 mm)
Height without feet: 5-1/4" (133 mm)
Height with feet: 5-7/8" (149 mm)
Depth: 20" (508 mm)
Depth with cables: 21-1/4" (540 mm) |
| Net Weight |
55 lb. (25 kg) |
| Shipping Weight |
69 lb. (31.3 kg) |
| Power Requirement |
Standby: 1 Watt
Idle: 125 Watts
Maximum: 1500 Watts |
Extended warranties are usually very inexpensive and can save you thousands in the future.
It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.
Electronics
can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new
electronics
should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.
