HELIX P ONE MK2 - Receiver Audiotec Fischer - Free user manual and instructions
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| Product Type | Mono Amplifier |
| Brand | Audiotec Fischer |
| Model | HELIX P ONE MK2 |
| Amplifier Class | D |
| Number of Channels | 1 |
| RMS Power (4 Ohm) | 300 W |
| RMS Power (2 Ohm) | 600 W |
| RMS Power (1 Ohm) | 900 W |
| Frequency Response | 10 Hz – 250 Hz |
| Input Sensitivity | 200 mV – 5 V |
| Low-Pass Filter | 50 – 250 Hz |
| Subsonic Filter | 10 – 50 Hz |
| Bass Boost | 0 – 12 dB at 45 Hz |
| Remote Control | Wired Remote (optional) |
| Input Connections | RCA, High-Level |
| Output Connections | Speaker terminals |
| Dimensions (WxHxD) | 158 x 49 x 113 mm |
| Weight | 0.75 kg |
| Power Supply Voltage | 10 – 15 V DC (negative ground) |
| Fuse Rating | 60 A (external) |
| Cooling | Convection |
| Protection Circuits | Thermal, Overload, DC |
| Recommended Speaker Impedance | 1 – 4 Ohm |
Frequently Asked Questions - HELIX P ONE MK2 Audiotec Fischer
What is the power output of the HELIX P ONE MK2?
The HELIX P ONE MK2 delivers 300 W RMS at 4 Ohm, 600 W RMS at 2 Ohm, and 900 W RMS at 1 Ohm.
Can I bridge this amplifier?
The HELIX P ONE MK2 is a mono amplifier and cannot be bridged. It is designed for subwoofer use.
What is the recommended power cable gauge?
For runs up to 2 meters, use 10 AWG wire. For longer runs, use 8 AWG to ensure sufficient current.
Does it come with a remote bass control?
A wired remote control is optional and must be purchased separately.
What is the subsonic filter for?
The subsonic filter (adjustable 10–50 Hz) prevents the amplifier from trying to reproduce frequencies below the subwoofer's tuning, reducing distortion and protecting the speaker.
Can I use high-level speaker inputs?
Yes, the HELIX P ONE MK2 accepts both RCA and high-level inputs. Use high-level if your head unit lacks RCA outputs.
How do I set the input sensitivity?
Start with the gain control at minimum, play a clean test tone at about 75% of head unit volume, then adjust gain until just before distortion. Use an oscilloscope or listen carefully.
What size fuse does it need?
The amplifier requires an external 60 A circuit breaker or fuse (not included). Install it within 18 inches of the battery.
Is it compatible with 1 ohm loads?
Yes, it is stable down to 1 ohm, making it suitable for multiple subwoofers wired in parallel.
What is the typical idle current draw?
The idle current draw is approximately 0.5 A. It will vary slightly depending on input signal.
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