S 19 - Subwoofer RCF - Free user manual and instructions

Product Type	Passive Subwoofer
Driver Size	18 inches
Frequency Response	40 Hz - 200 Hz
Power Handling (RMS)	800 W
Power Handling (Peak)	1600 W
Impedance	8 ohms
Sensitivity (1W/1m)	98 dB
Maximum SPL	128 dB
Connectors	2x Neutrik Speakon NL4
Enclosure Material	Plywood
Finish	Black textured paint
Dimensions (W x H x D)	500 x 600 x 500 mm
Weight	32 kg
Protection	Over-excursion, thermal
Recommended Amplifier	800 W @ 8 ohms
Placement	Floor stacking or pole mount
Operating Temperature	0°C to 40°C
Certifications	CE, RoHS

Frequently Asked Questions - S 19 RCF

What type of amplifier is recommended for the RCF S 19 subwoofer?

A power amplifier capable of delivering 800 W RMS into an 8 ohm load is recommended. The subwoofer can handle up to 1600 W peak. Ensure the amplifier is stable at 8 ohms and has appropriate crossover filters.

Can the RCF S 19 be used outdoors?

While the subwoofer is built with a durable plywood enclosure and protective paint, it is not weatherproof. Avoid prolonged exposure to rain or extreme humidity. Use a waterproof cover if temporary outdoor use is necessary.

How do I connect the RCF S 19 to my system?

Connect using Speakon NL4 cables. The subwoofer has two parallel connectors for daisy-chaining. Use a single amplifier channel per subwoofer, with a crossover set to 80-120 Hz typical for full-range speakers.

What is the recommended placement for best bass response?

Place the subwoofer on the floor, close to a wall or corner to reinforce low frequencies. Avoid placing it in the middle of the room. For arrays, stack subwoofers together to increase output and directivity.

How do I maintain the RCF S 19 subwoofer?

Regularly clean the enclosure with a dry cloth. Check the Speakon connectors for corrosion or damage. Inspect the driver cone for dust or debris. Avoid using solvents or abrasive cleaners.

What is the frequency range of the RCF S 19?

The subwoofer reproduces frequencies from 40 Hz to 200 Hz. It is designed to complement satellite speakers that handle mid and high frequencies.

Can I use the S 19 in a portable PA system?

Yes, the S 19 is suitable for portable use. It has a rugged construction and handles 800 W RMS. Use a compatible amplifier and ensure proper cabling. Consider using a subwoofer pole mount for satellite speakers.

What are the dimensions of the RCF S 19?

The approximate dimensions are 500 mm (W) x 600 mm (H) x 500 mm (D). Weight is about 32 kg. Always ensure your vehicle or rack can accommodate these measurements.

Does the RCF S 19 have built-in protection?

Yes, it includes over-excursion and thermal protection to prevent damage from excessive signal or heat. However, proper gain staging and amplifier limiting are still recommended.

Where can I find a replacement driver for the S 19?

Contact RCF authorized service centers or dealers for genuine replacement parts. Ensure you use the specified 18-inch driver with appropriate impedance and power rating to maintain performance.

USER MANUAL S 19 RCF

1 SAFETY PRECAUTIONS AND GENERAL INFORMATION....4
2 DESCRIPTION 6
3 CONNECTIONS 7

ITALIANO

1. SAFETY PRECAUTIONS AND GENERAL INFORMATION

The symbols used in this document give notice of important operating instructions and warnings which must be strictly followed.

	CAUTION	Important operating instructions: explains hazards that could damage a product, including data loss
	WARNING	Important advice concerning the use of dangerous voltages and the potential risk of electric shock, personal injury or death.
	IMPORTANT NOTES	Helpful and relevant information about the topic
	SUPPORTS, TROLLEYS AND CARTS	Information about the use of supports, trolleys and carts. Reminds to move with extreme caution and never tilt.
	WASTE DISPOSAL	This symbol indicates that this product should not be disposed with your household waste, according to the WEEE directive (2012/19/EU) and your national law.

IMPORTANT NOTES

This manual contains important information about the correct and safe use of the device. Before connecting and using this product, please read this instruction manual carefully and keep it on hand for future reference. The manual is to be considered an integral part of this product and must accompany it when it changes ownership as a reference for correct installation and use as well as for the safety precautions. RCF S.p.A. will not assume any responsibility for the incorrect installation and / or use of this product.

SAFETY PRECAUTIONS

1. All the precautions, in particular the safety ones, must be read with special attention, as they provide important information.

2. Power supply from mains

a. The mains voltage is sufficiently high to involve a risk of electrocution; install and connect this product before plugging it in.
b. Before powering up, make sure that all the connections have been made correctly and the voltage of your mains corresponds to the voltage shown on the rating plate on the unit, if not, please contact your RCF dealer.
c. The metallic parts of the unit are earthed through the power cable. An apparatus with CLASS I construction shall be connected to a mains socket outlet with a protective earthing connection.
d. Protect the power cable from damage; make sure it is positioned in a way that it cannot be stepped on or crushed by objects.
e. To prevent the risk of electric shock, never open this product: there are no parts inside that the user needs to access.
f. Be careful: in the case of a product supplied by manufacturer only with POWERCON connectors and without a power cord, jointly to POWERCON connectors type NAC3FCA (power-in) and NAC3FCB (power-out), the following power cords compliant to national standard shall be used:

• EU: cord type H05VV-F 3G 3x2.5 mm2 - Standard IEC 60227-1
• JP: cord type VCTF 3x2 mm2; 15Amp/120V\~ - Standard JIS C3306

• US: cord type SJT/SJTO 3x14 AWG; 15Amp/125V\~ - Standard ANSI/UL 62

• Make sure that no objects or liquids can get into this product, as this may cause a short circuit. This apparatus shall not be exposed to dripping or splashing. No objects filled with liquid, such as vases, shall be placed on this apparatus. No naked sources (such as lighted candles) should be placed on this apparatus.

• Never attempt to carry out any operations, modifications or repairs that are not expressly described in this manual.

Contact your authorized service centre or qualified personnel should any of the following occur:

• The product does not function (or functions in an anomalous way).

• The power cable has been damaged.

• Objects or liquids have got in the unit.

• The product has been subject to a heavy impact.

• If this product is not used for a long period, disconnect the power cable.

• If this product begins emitting any strange odours or smoke, switch it off immediately and disconnect the power cable.

• Do not connect this product to any equipment or accessories not foreseen. For suspended installation, only use the dedicated anchoring points and do not try to hang this product by using elements that are unsuitable or not specific for this purpose. Also check the suitability of the support surface to which the product is anchored (wall, ceiling, structure, etc.), and the components used for attachment (screw anchors, screws, brackets not supplied by RCF etc.), which must guarantee the security of the system / installation over time, also considering, for example, the mechanical vibrations normally generated by transducers.

To prevent the risk of falling equipment, do not stack multiple units of this product unless this possibility is specified in the user manual.

1. RCF S.p.A. strongly recommends this product is only installed by professional qualified installers (or specialised firms) who can ensure correct installation and certify it according to the regulations in force. The entire audio system must comply with the current standards and regulations regarding electrical systems.

2. Supports, trolleys and carts.

The equipment should be only used on supports, trolleys and carts, where necessary, that are recommended by the manufacturer. The equipment / support / trolley / cart assembly must be moved with extreme caution. Sudden stops, excessive pushing force and uneven floors may cause the assembly to overturn. Never tilt the assembly.

1. There are numerous mechanical and electrical factors to be considered when installing a professional audio system (in addition to those which are strictly acoustic, such as sound pressure, angles of coverage, frequency response, etc.).

2. Hearing loss

Exposure to high sound levels can cause permanent hearing loss. The acoustic pressure level that leads to hearing loss is different from person to person and depends on the duration of exposure. To prevent potentially dangerous exposure to high levels of acoustic pressure, anyone who is exposed to these levels should use adequate protection devices. When a transducer capable of producing high sound levels is being used, it is therefore necessary to wear ear plugs or protective earphones. See the manual technical specifications to know the maximum sound pressure level.

OPERATING PRECAUTIONS

• Place this product far from any heat sources and always ensure an adequate air circulation around it.
• Do not overload this product for a long time.
• Never force the control elements (keys, knobs,etc.).
• Do not use solvents, alcohol, benzene or other volatile substances for cleaning the external parts of this product.

IMPORTANT NOTES

To prevent the occurrence of noise on line signal cables, use screened cables only and avoid putting them close to:

• Equipment that produces high-intensity electromagnetic fields
• Power cables
• Loudspeaker lines

1. SAFETY PRECAUTIONS AND GENERAL INFORMATION

WARNING! CAUTION! To prevent the risk of fire or electric

shock, never expose this product to rain or humidity.

WARNING! To prevent electric shock hazard, do not connect to

mains power supply while grille is removed

WARNING! to reduce the risk of electric shock, do not disassemble

this product unless you are qualified. Refer servicing to qualified service personnel.

CORRECT DISPOSAL OF THIS PRODUCT

This product should be handed over to an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste could have a possible negative impact on the environment and human health due to tially hazardous substances

that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority or your household waste disposal service.

CARE AND MAINTENANCE

To ensure a long-life service, this product should be used following these advices:

• If the product is intended to be set up outdoors, be sure it is under cover and protected to rain and moisture.
• If the product needs to be used in a cold environment, slowly warm up the voice coils by sending a low-level signal for about 15 minutes before sending high-power signals.
• Always use a dry cloth to clean the exterior surfaces of the speaker and always do it when the power is turned off.

CAUTION: to avoid damaging the exterior finishes do not use

cleaning solvents or abrasives.

WARNING! CAUTION! For powered speakers, do cleaning

only when the power is turned off.

RCF S.p.A. reserves the right to make changes without prior notice to rectify any errors and / or omissions.

Always refer to the latest version of the manual on www.rcf.it.

2. DESCRIPTION

S 19, S 29 - HIGH-POWER SUBWOOFERS

S 19 and S 29 are high-power subwoofers and represent a perfect low-frequency extension for RCF installed sound systems. They feature hyper-vented, high-excursion 19" neodymium woofers (1 x 19" S 19 and 2 x 19" S 29) with a 4" inside/outside voice coil to minimize power compression and extend product's life. The bass-reflex design ensures an efficient acoustic response down to 30 Hz for S 19 and 25 Hz for S 29. The high-quality plywood cabinet is finished with black, heavy duty, polyurea painting, and protected with a strong, powder coated, metal grille. The recessed input panel features two Speakon NL4 connectors, allowing a quick and safe connection. A M20 pole mount adaptor is provided on the top of the cabinet, as well as handles on both sides.

Line drawing of a rectangular box with mounting holes and a small inset device (no text or symbols)

S 19

30 Hz ÷ 200 Hz 19" neodimium woofer, 4.0" v.c. 139 dB

Technical line drawing of a rectangular enclosure with mounting holes and a small door (no text or symbols)

S 29

25 Hz ÷ 200 Hz 2 x 19" neodimium woofer, 4.0" v.c. 143 dB

3. CONNECTIONS

Connect the positive wire (amplifier '+' output) to the pin 'IN / OUT +' of the 4-pin SPEAKON connector. Connect the negative wire (amplifier '-' output) to the pin 'IN / OUT -' of the 4-pin SPEAKON connector. The 'LINK ONLY +' and 'LINK ONLY -' pins are useful to link another subwoofer in parallel.

The impedance of the subwoofers is 8 Ω (S 19) and 4 Ω (S 29).

WARNING! CAUTION! Loudspeaker connections should be only made by qualified and experienced personnel having the technical know-how or enough specific instructions (to ensure that connections are made correctly) in order to prevent any electrical danger.

To prevent any risk of electric shock, do not connect loudspeakers when the amplifier is switched on.

Before turning the system on, check all connections and make sure there are no accidental short circuits.

The entire sound system shall be designed and installed in compliance with the current local laws and regulations regarding electrical systems.

The entire sound system shall be designed and installed in compliance with the current local laws and regulations regarding electrical systems.

WARNING! CAUTION! Loudspeakers are to be install by qualified personnel, respecting all safety standards. Loudspeakers are to be installed securely.

Make sure the support structure (walls / ceilings) has the necessary mechanical characteristics for the loudspeaker weight, without the risk of a fall that could damage things or cause an injury.

Use attachments elements suitable for walls / ceilings (e.g. wall plugs for bricks, for concrete, etc.).

1. AVVERTENZE PER LA SICUREZZA E INFORMAZIONI GENERALI

S 19, S 29 - SUBWOOFER DI ALTA POTENZA

Line drawing of a rectangular industrial enclosure with mounting holes and a small internal component (no text or symbols)

S 19

30 Hz ÷ 200 Hz 19" neodimium woofer, 4.0" v.c. 139 dB

Technical line drawing of a rectangular enclosure with mounting holes and a small door (no text or symbols)

S 29

25 Hz ÷ 200 Hz 2 x 19" neodimium woofer, 4.0" v.c. 143 dB

3. COLLEGAMENTI

Technical line drawing of a rectangular device with a central connector and dimension label (no text or symbols beyond measurement annotations)

		S 19 S 29
Acoustical specifications	Frequency Response (-10dB):	30 Hz ÷ 200 Hz	25 Hz ÷ 200 Hz
	Max SPL @ 1m:	139 dB	143 dB
Power section	Amplification:	Full Range	Full Range
	Nominal Impedance:	8 ohm	4 ohm
	Power Handling:	1500 W	3000 W
	Peak Power Handling:	6000 W PEAK	12000 W PEAK
Transducers	Woofer:	19" neo, 4.0" v.c	2 x 19" neo, 4.0" v.c
Input/Output section	Input connectors:	Speakon® NL4	Speakon® NL4
	Output connectors:	Speakon® NL4	Speakon® NL4
Standard compliance	Safety agency:	CE compliant	CE compliant
Physical specifications	Cabinet/Case Material:	Plywood	Plywood
	Handles:	2 side	2 side
	Pole mount/Cap:	Yes	Yes
	Grille:	Steel with clothing	Steel with clothing
	Color:	Black	Black
Size	Height:	534 mm / 21.02 inches	534 mm / 21.02 inches
	Width:	650 mm / 25.59 inches	1300 mm / 51.18 inches
	Depth:	730 mm / 28.74 inches	730 mm / 28.74 inches
	Weight:	46 kg / 101.41 lbs	90 kg / 198.42 lbs
Shipping information	Package Height:	565 mm / 22.24 inches	620 mm / 24.41 inches
	Package Width:	680 mm / 26.77 inches	1360 mm / 53.54 inches
	Package Depth:	760 mm / 29.92 inches	800 mm / 31.5 inches
	Package Weight:	50 kg / 110.23 lbs	95 kg / 209.44 lbs