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A-802 Amplifier for Subwoofer and Bass Shaker

€299.00

Prices incl. VAT plus shipping costs

Ready to ship today,
Delivery time appr. 1-3 workdays

Optional with BS-200i :

  • A-802
The enormous power reserve of up to 1000 watts not only fires large, heavy long-throw... more
A-802 Amplifier for Subwoofer and Bass Shaker
The enormous power reserve of up to 1000 watts not only fires large, heavy long-throw subwoofers. The amplifier is also sufficient for several low bass converters (bass shakers up to 6) for installation in seating furniture, cinema chairs and playseats.
Due to the very large transformer with the analog, efficient power supply, the output of 1 x 800 W / 2 Ohm remains stable in the low bass. The output stage is digital with high efficiency at low heat.
The controls on the front panel are sufficient for all bass shaker settings and most subwoofers.
For extremely accurate setting and room adjustment, the A-802 amplifier can be combined with the DSP-6mini digital crossover.
The built-in soft-start relay allows the amplifier to be connected to the normal 16A house line and can also be switched via remote controlled sockets with a minimum power of 2000 watts. The large toroidal transformer vibrates only slightly, so you can only hear it with your ear on the case.
When humming you switch to GND or LIFT at the back. The standby function is not activated. We recommend to switch off completely for longer breaks.
You will find further important information in the taskbar under the product pictures.
LEVEL SUB controls the input sensitivity / volume. The SUBWOOFER output of the AV receiver... more
LEVEL SUB controls the input sensitivity / volume. The SUBWOOFER output of the AV receiver or other music sources should be set to approx. + 80% to send a strong, clean signal to the A-802 INPUT L or R or both (for stereo subwoofer outputs).
SUB OUT - HIGH CUT limits the frequencies above 40 - 300 Hz. For structure-borne transducers we recommend 50-70 Hz = control position 8-10:00 for movies. For games / car racing you can set to 10-12:00.
SUBSONIC: For music with a lot of low bass, turn slowly from the very left to the right until the low bass or the vibration of the structure-borne sound transducer becomes slightly weaker, then again 3-4mm to the left = reactive power is filtered = more useful reserve.
If you turn the subsonic control further to the right, you can mechanically and electrically relieve small subwoofers.
A manual or automatic boost with measuring systems of the falling low bass is not necessary, without additional 5-fold amplifier reserve. The lowest octave of 20-40 Hz requires more than 70% of the total power. In this range it is not a question of subtleties, but of sheer power = fast, strong current delivery for impulse fidelity in low bass even at very high power levels.
If only one subwoofer RCA output is available on the AV receiver, this can be doubled with the enclosed Y-adapter. A Cinch mono cable then leads to the amplifier INPUT L or R.
Power for up to 6 x BS-200i:
For large seating areas with 2 separable elements you need 2 x BS-200i per element. The high power reserve of the A-801 enables strong and precise vibrations, as well as 4-6 separate armchairs or a platform up to 500 kg total weight with persons.
Presentation video of the subwoofer mono amplifier from the point of view of the... more
Presentation video of the subwoofer mono amplifier from the point of view of the developer,
A-409, A-800 & 801 by Mr. Klaus Reck personally.
Customer video: Installation of the structure-borne sound converters.
Quote: "Beautiful sensations.
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