Linear 5 MK II 118 Sub HPA - Uncategorized HK AUDIO - Free user manual and instructions
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| Product type | Active subwoofer with built-in amplification |
| Brand | HK Audio |
| Model | Linear 5 MK II 118 Sub HPA |
| Speaker | 1 x 18" (46 cm) neodymium |
| Amplifier power | 1000 W RMS (class D) |
| Frequency response | 32 Hz - 150 Hz (-10 dB) |
| Maximum sound pressure level | 134 dB SPL (peak) |
| Inputs | Balanced XLR female, line input |
| Outputs | Balanced XLR male (link out) |
| Controls | Volume, low-pass filter (50-150 Hz), phase (0/180°) |
| Protections | Peak limiter, thermal protection, DC protection |
| Dimensions (W x H x D) | 580 x 700 x 620 mm |
| Weight | 58 kg |
| Power supply | 230 V / 50 Hz (EU model) or 120 V / 60 Hz (US model) |
| Power consumption | Max 1200 VA |
| Cabinet material | Birch plywood, structured black paint |
| Grille | Steel grille with acoustic foam |
| Maintenance and cleaning | Clean with a soft, dry cloth. Do not use solvents. |
| Safety | Do not expose to moisture. Disconnect before maintenance. Use on a stable surface. |
| Spare parts and repairability | Contact HK Audio customer service for spare parts. Repair by authorized technician. |
| General information | Professional subwoofer for sound reinforcement, compatible with Linear 5 speakers. |
Frequently Asked Questions - Linear 5 MK II 118 Sub HPA HK AUDIO
What type of cable is recommended to connect the subwoofer to a console?
Use a good quality balanced XLR cable. The subwoofer has balanced XLR female inputs and XLR male outputs for linking.
How to adjust the low-pass filter on the Linear 5 MK II 118 Sub HPA?
Turn the Low-Pass potentiometer between 50 and 150 Hz. For a system with main speakers, set it to the crossover frequency of your speakers (typically 80-120 Hz).
The subwoofer gets very hot during operation, is this normal?
Yes, some heat is normal due to class D amplification. Ensure the vents are not blocked and the unit is in a ventilated area. If thermal protection triggers, let it cool down before reuse.
Can I use this subwoofer outdoors?
It is designed for professional indoor use. Outdoors, protect it from moisture and weather. Use a protective cover if necessary.
What is the recommended power for an associated amplified speaker?
The subwoofer is active and does not require external amplification. Pair it with compatible passive or active speakers. The power of the built-in amplifier is 1000 W RMS.
How to clean the subwoofer grille?
Remove the grille by unscrewing (if removable). Clean it with a soft damp cloth. Avoid abrasive products. The acoustic foam can be gently vacuumed.
What to do if the subwoofer does not power on?
Check the power cable, the electrical outlet, and the fuse (located near the mains input). If the fuse is blown, replace it with an identical model. If the problem persists, contact customer service.
Is there an automatic standby mode?
Yes, the subwoofer enters standby mode after about 20 minutes without an audio signal. It automatically reactivates upon detection of an input signal.
The subwoofer emits a hum, what to do?
Check the XLR connections, use balanced cables. Ensure the subwoofer is not near sources of electromagnetic interference (transformers, power cables). Reduce the input gain if necessary.
Where to find spare parts for this model?
Contact HK Audio after-sales service or an authorized dealer. Parts such as speakers, amplifiers, and printed circuit boards are available upon request.
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USER MANUAL Linear 5 MK II 118 Sub HPA HK AUDIO
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Product information
Brand : HK AUDIO
Model : Linear 5 MK II 118 Sub HPA
Category : Uncategorized