HELIX V TWELVE DSP MK2 - 12 CHANNEL DSP AMPLIFIER


Price:
£1,274.99

Description

The king of connectivity
That has never existed before – 12 highlevel inputs, 6 Cinch inputs, 14 DSP channels, 12 output stages with up to 160 RMS at 2 Ohms combined in an ultra-compact housing that has the footprint of just two envelopes. The new V TWELVE DSP is unmistakeably a technological milestone and the problem solver par excellence when it comes to upgrading multichannel premium sound systems in today's vehicles.

Connectivity redefined
What to do if a vehicle is already equipped with a premium sound system ex works, whose amplifier often already has more than 10 channels?  In many cases, a replacement is no longer possible, so that only an amplifier with the same number of highlevel inputs can be considered for upgrading the system. The V TWELVE DSP is the first amplifier worldwide that offers 12 highlevel inputs and just as many amplifier channels, a digital input and a HEC slot. The integrated DSP can handle this easily, since it comes with the incredible number of fourteen (14!) separate channels.

Virtual Channel Processing – this is how signal routing works today
The adaptation to modern OE sound systems via an increasing number of inputs has a significant impact on the complexity of the signal routing inside the amplifier. Especially when several input signals are mixed together and then split again into multi-way systems, conventional routing concepts quickly reach their limits. Audiotec Fischer's new multi-stage "Virtual Channel Processing", in conjunction with the recognized user-friendly DSP PC-Tool software makes it easy to realize even highly complex system configurations. Besides, it allows to freely assign our proprietary FX sound features such as "RealCenter" or "Augmented Bass Processing". But thanks to its enormous number of channels, the V TWELVE DSP is also a prime example for applications in which a 1 to 1 routing (IOR) makes sense.

The plus in speed – thanks to ACO
Such a huge number of channels requires ultra-fast hardware – Audiotec Fischer's proprietary 32 Bit ACO platform takes over all control tasks and ensures exceptional speed especially for data communication with our DSP PC-Tool software, but also for lightning-fast switching between up to ten possible sound setups. The fantastic sound effects associated with the ACO platform such as Augmented Bass Processing, StageXpander or RealCenter are just as natural with the V TWELVE DSP as a 12-channel input EQ including our Input Signal Analyzer (ISA) for easy analysis and compensation of the input signals from OE radios.

Sound quality without any compromises
Separate AD and DA converters of the latest generation from Asahi Kasei with a native resolution of 32 Bit ensure optimal sound performance, best possible signal-to-noise ratio and minimal distortion. Concerns that the abundance of audio channels and the extremely dense design could have an impact on the sound quality are completely out of place for a HELIX product.

  • Up to 160 W RMS output power per channel into 2 Ω
  • “Pure Class GD” concept for outstanding sound quality combined with best possible efficiency
  • Extremely powerful 64 Bit “fixed point” Audio DSP
  • ACO – Advanced 32 Bit CoProcessor platform for system and DSP features like:
    • ISA (Input Signal Analyzer) and InputEQ for easy analysis and compensation of input signals
    • SFX sound effects – Augmented Bass Processing, StageXpander, RealCenter & Co.
  • High power 12-channel highlevel input with up to 32 V RMS input sensitivity and ADEP.3 circuit
  • Two processed RCA / Cinch outputs
  • 1 to 1 Input / Output Routing (IOR) – same number of highlevel inputs and amplifier outputs
  • Virtual Channel Processing (VCP) allows even more flexible configuration for highly complex sound systems
  • HELIX Extension Card slot (HEC) for additional input / output modules like Bluetooth® Audio Streaming, High Resolution Audio Streaming via USB etc.
  • Compact design with low heat dissipation thanks to extraordinary efficiency

 

Special features:

Pure Class GD amplifier technology
Audiotec Fischers proprietary Pure Class GD concept takes the efficiency of conventional Class D amps to the next level. By varying the internal supply voltage depending on the amplifier’s input signals, idle losses are significantly reduced and overall efficiency is close to maximum at any time.
So heat dissipation is almost negligible thus allowing smallest heat sinks and most compact form factors. Besides that Pure Class GD amp outperforms conventional Class D designs in terms of sound quality by implementing a fully differential signal path and improved output filter design.

ACO – Advanced 32 Bit CoProcessor
The HELIX V TWELVE DSP incorporates an extraordinary powerful 32 Bit CoProcessor of the latest generation for all monitoring and communication tasks, both internally and externally. In opposite to the 8 Bit predecessor generation this MCU achieves way higher speeds with respect to setup switching and data communication with our DSP PC-Tool software. A further significant advantage is the integrated, native boot loader of the CoProcessor.
It allows software upgrades of all components of the integrated DSP in order to adjust the microcontroller-controlled ADEP.3 circuit for example to future requirements of the diagnostic system of factory radios or if the device will be extended with additional interfaces. In addition, thanks to the new flash memory, the ACO offers 10 memory locations for sound setups instead of the common two.

Smart highlevel input ADEP.3
Modern, factory-installed car radios incorporate sophisticated possibilities of diagnosing the connected speakers. In particular the latest generation of car radios are equipped with additional monitoring functions so that failure messages and loss of specific features (e.g. fader function) quite often appear if an amplifier will be hooked up – but not with the V TWELVE DSP.
The new ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.

Start-Stop capability
The switched power supply of the HELIX V TWELVE DSP assures a constant internal supply voltage even if the battery’s voltage drops to 6 Volts during engine crank.

Power Save Mode
The Power Save Mode is incorporated in the basic setup. It allows to significantly reduce the power consumption of the amplifiers that are connected to the HELIX V TWELVE DSP once there’s no input signal present for more than 60 seconds. Please note that in many up-to-date cars with “CAN” or any other internal bus structures it may happen that the radio remains “invisibly” turned on for up to 45 min. even after locking and leaving the car! Once the “Power Save Mode“ is active the remote output and therefore the connected amplifiers will be turned off.
The V TWELVE DSP will reactivate the remote output within a second if a music signal is applied. It is possible to either modify the turn-off time of 60 sec. or completely deactivate the “Power Save Mode” via the DSP PC-Tool software.

Power RMS ≤ 1% THD+N  
- @ 4 Ohms 75 Watts per channel
- @ 2 Ohms 120 Watts per channel
- @ 1 Ohm
- bridged @ 4 Ohms
- bridged @ 2 Ohms
Max. output power per channel* Up to 160 Watts RMS @ 2 Ohms
Amplifier technology Pure Class GD
Inputs 6 x RCA / Cinch
12 x Highlevel speaker input
1 x Optical SPDIF (12 - 96 kHz)
1 x Remote In
Input sensitivity RCA / Cinch max. 4 V or max. 8 V
Highlevel max. 16 V or max. 32 V
Input impedance RCA / Cinch 12 kOhms
Input impedance highlevel 9 - 33 Ohms or 20 kOhms
Outputs 12 x Speaker output
2 x RCA / Cinch
2 x Remote Out
Output voltage RCA / Cinch 3 Volts RMS
Frequency response 20 Hz - 22,000 Hz
DSP resolution 64 Bit
DSP power 295 MHz (1.2 billion MAC operations/second)
Sampling rate 48 kHz
DSP type Audio signal processor
Signal converters A/D: AKM 32 Bit
D/A: AKM 32 Bit
Signal-to-noise ratio digital input 107 dB (A-weighted)
Signal-to-noise ration analog input 102 dB (A-weighted)
Distortion (THD) < 0.015 % 
Damping factor > 70
Operating voltage 10.5 - 16 Volts (max. 5 sec.down to 6 Volts)
Idle current 700 mA
Max. remote output current 500 mA
Fuse 2 x 30 A LP-Mini-fuse (APS)
Additional features HEC slot, ADEP.3 circuit, Auto Remote switch, 32 Bit CoProcessor, Control Input
Dimensions (H x W x D) 44 x 220 x 220 mm /
1.73 x 8.66 x 8.66“

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