RCF SUB 18-AS
Professional music gear - detailed information and where to buy
RCF
SUB 18-AS
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The SUB 18-AS is a serious subwoofer – it’s got the power and build to handle demanding live sound applications. Its focused low-end makes it ideal for DJs, dance music, and bands needing serious sub-bass reinforcement; it's not a full-range solution, though.
Product Description
- RCF SUB 18-AS
- Active Subwoofer
- Equipped with: 18" woofer with 4" voice coil
- Power: 1100 W (RMS)
- 2200 W (Peak)
- Class-D amplifier
- Freuqnecy range: 20 - 400 Hz
- Maximum level: 135 dB
- Bass motion control
- Controls for Volume
- polarity
- and low pass filter frequency
- Soft limiter
- Inputs: 2 x 6.3 mm jack/ XLR combo
- Outputs: 2x XLR Link out
- 2x XLR Crossover out
- 2 ergonomic handles
- M20 stand flange mount
- Housing material: Birch Multiplex with Polyurea coating
- Dimensions (W x H x D): 505 x 693 x 685 mm
- Weight: 37.6 kg
- Colour: Black
PROS
- • Birch multiplex construction yields robust, resonance-dampened enclosure
- • Class-D amplification provides efficient power without excessive heat
- • Bass Motion Control minimizes unwanted cone movement for clarity
- • Versatile connectivity with multiple XLR link/crossover outputs
CONS
- • Significant weight makes transport challenging for solo users
- • Polyurea coating, while durable, might show wear with heavy road use
- • Frequency response leans towards sub-bass, limiting upper-bass detail
Product Video
Key Features
Power (Watts)
1100 (RMS), 2200 (Peak)
Woofer Size
18 in
Frequency Range
20 - 400 Hz
Max SPL
135 dB
Crossover
Adjustable Low-Pass Filter
Weight
37.6 kg
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Frequently Asked Questions
It tightens the low-end response, reducing muddiness and improving clarity at higher output levels – you’ll hear more definition instead of a boomy, uncontrolled bass.
Absolutely. Birch offers superior stiffness and resonance damping, translating to a cleaner, more articulate low-frequency response and a more robust enclosure overall.
While technically possible, its focused frequency response and high output are better suited for live sound; it might be overkill and potentially lack the finesse for typical home theater content.
