Six Channels/DSP/EQ and 3-way Input Summing Amplifier?


Helix-P-SIX-DSP

Audiotec-Fischer’s new six-channel amplifier with built-in DSP/EQ and high wattage high-level input with six-channel of summing capability is simply a work of art – try to say that fast. The milled aluminum with black exterior accents is easy on the eyes but what about the inside?

 

Let’s look at their description of the amplifier:

 

  • New “Class Ultra D” concept which combines the sound quality of class AB technology with the benefits of class D amplifiers
  • Cutting-edge, extremely powerful “fixed point” Audio DSP with 64 Bit resolution and 1.2 billion MAC operations per second
  • Six speaker outputs with up to 215 Watts RMS into 2 Ohms
  • Two processed RCA outputs
  • Extremely high damping factor (> 1,000)
  • Inputs: 6 x RCA, 6 x High-level with up to 20V RMS input ­sensitivity, optical SPDIF input
  • HELIX Extension Card slot (HEC) for additional input/output modules like Bluetooth® Audio Streaming
  • Compact design with low heat dissipation thanks to ­extraordinary efficiency

 

I have not seen damping factors (> 1000) in years since the old Rockford Fosgate DSM amplifiers of the early 90s. This is unheard of in a class “D” amplifier! With the chassis only being 10 x 7 x 2 inches in size, this next generation of an amplifier will fit in any vehicle today. And with a minimum of 120 x 6 watts in this heatsink, this piece becomes a true solution piece for upgrading or replacing those troublesome factory amplified systems that we all have a love/hate relationship with.

 

Let’s dig deeper into their claims of performance (import text isn’t importing correctly, sorry in advance):

 

RMS power (measured acc. to CEA 2006-A)
Channel A – F @ 4 Ohms …………………………………120 Watts per channel (1% THD+N)
Channel C – F @ 2 Ohms……………………………………………………………………..215 Watts per channel (1% THD+N)
Inputs…………6 x RCA / Cinch/6 Highlevel  speaker
Outputs……………………………………………………………….6 x Speaker & 2 x RCA
Output voltage RCA……………………………………………………..3 Volts RMS
Frequency
(Operations/second) Sampling rate 48 kHz
Signal converters…………………………………………………………A/D: BurrBrown
D/A: BurrBrown Signal-to-noise ratio digital input ………………………..105 dB (A-weighted) Signal-to-noise ratio analog input………………………………….100 dB (A-weighted)
Distortion (THD)……………………………………………………..< 0.01 %
Damping factor ……………………………………………………….> 1,000
Input impedance RCA / Cinch ……………………………………64 kOhms
Input impedance highlevel…………………………………………30 Ohms or 64 kOhms
Operating voltage …………………………………………………….9.6 – 18 Volts (max. 5 sec. down to 6 Volts)
Frequency response…………………………………………………20 Hz – 22,000 Hz
DSP resolution………………………………………………………..64 Bit
DSP power ……………………………………………………………..295 MHz (1.2 billion MAC o)

Now that your head hurts, let’s check out the important ones to everyday applications:

 

  • Distortion less than .01%

 

  • 20 Volts input on high- level adaptor
    • You can get the high-level signal or speaker inputs AFTER the factory amplifier!

 

  • Extra 2 outputs on running a subwoofer amplifier
    • If a customer chooses a larger subwoofer amplifier, it can be seamlessly added to the DSP/EQ section of the amplifier

 

  • 120 watt CEA rating
    • Real rating, not an inflated number

 

  • 2 – remote outputs
    • Increases the flexible for expansion of OEM systems

 

  • The ability to do direct Bluetooth streaming!

 

This amplifier has all the important features that are needed for today’s complex systems. OEM integration is being the fastest growing segment of 12-volt audio today, and this piece fits the application perfectly. This amp is worth a visit to your local store to audition this amplifier.

 

CanadianCarStereo.com

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