Package Includes:

• (1) Mackie SRM1850 1600W 18" Powered Active Pro Subwoofer
  
• (1) Rockville ISO 12-18 Isolation Platform Acoustic Foam Pad 12"/15"/18" Subwoofers
  

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Video of SRM1850:

Authorized Mackie Dealer!

Description:

The SRM1850 18" Powered Subwoofer is “Built-likea-Tank,” delivering 1600W of intense power paired with a custom high-output woofer for powerful, chest-pounding low end performance. The professional-grade, internallybraced all-wood enclosure provides tour level roadworthiness and is front ported for maximum low-frequency extension and punch. The SRM1850 features stereo XLR inputs, full-range and high-pass outputs plus a variable digital crossover that includes presets for the SRM550 and SRM650 loudspeakers. The Smart Protect™ DSP is also in place to protect your investment when things get pushed a little too hard. Get the powerful low end your music demands in a rock solid subwoofer with our proven performance.

 Features:

• Mackie SRM1850 Powered Subwoofer
• 1600 Watts Peak / 800 Watts RMS
• 1600W of intense power paired with a custom high-output 18" woofer delivers chest-pounding low end performance
• “Built-Like-A-Tank” all-wood, internally-braced cabinet delivers professional-grade road-worthiness and near-zero distortion, even at high volume
• Front ported for maximum low-frequency extension and punch
• Stereo XLR inputs plus Stereo XLR full-range and high-pass outputs
• Integrated digital crossover with variable control and presets for the SRM550 and SRM650 loudspeakers
• Smart Protect™ DSP kicks in to protect your investment when things get pushed a little too hard
• Built-in cup for easily pole-mounting full-range loudspeakers

Details:

• Acoustic Performance
  • Frequency Response: (–3 dB) 40 Hz – 120 Hz
  • Frequency Response: (–10 dB) 35 Hz – 150 Hz
  • Max peak SPL: 132 dB
  • Crossover Point: 115 Hz plus alignment delay [SRM550]
                               115 Hz plus alignment delay [SRM650]
                               60 Hz – 120 Hz [Variable]"
  • Slope: 3rd order HP, 4th order LP
• Transducer
  • Woofer Diameter: 18.0 in / 457 mm
  • Voice Coil Diameter: 3.0 in / 76 mm
  • Subwoofer Diaphragm Material: Paper
  • Magnet Material: Ferrite
• Power Amplifier
  • Rated Power: 1600 Watts Peak
                           800 Watts RMS
  • Rated THD: < 1%
  • Cooling: Convection
  • Design: Class D
• Input / Output
  • Input Type: "Female XLR balanced differential (stereo left / right)"
  • Input Impedance: 20 k Ohm balanced,
                                10 k Ohm unbalanced
  • Full Range Outputs: "Male XLR balanced (parallel with inputs –  mono)"
  • High Pass Outputs: Male XLR balanced
• Line Input Power
  • US detachable line cord: 90 – 130 VAC, 60 Hz, 200W
  • EU detachable line cord: 190 – 240 VAC, 50 Hz, 200W
  • AC Connector: 3-pin IEC 250 VAC
  • Power Supply Type: Switchmode
  • Operating Temperature [extended ambient temperature]: 0 - 40 °C/32 -  104 °F
• Safety Features
  • Input Protection: "Peak and RMS limiting, power supply and amplifier  thermal protection"
  • Display LEDs: "Defeatable front power ON (Running Man logo), Front  load power limiter, High Pass Mode, input signal"
• Construction Features
  • Cabinet: 18 mm Poplar plywood
  • Finish: High durability black paint
  • Handles: One on each side
  • Grille: Powder-coated 16 gauge steel
• Mounting Method
  "The SRM1850 subwoofer is designed to sit on the floor or stage. It is NOT  designed to be pole-mounted or suspended. The cabinet
  has no rigging points and is not suitable for rigging. Never attempt to  suspend the SRM1850 by its handles."
• Physical Properties (packaged product)
  • Height: 24.8 in / 630 mm
  • Depth: 29.6 in / 752 mm
  • Width: 28.0 in / 711 mm
  • Weight: 74 lb / 33.6 kg
• Physical Properties (product)
  • Height: 22.5 in / 572 mm
  • Depth: 23.9 in / 608 mm
  • Width: 22.2 in / 565 mm
  • Weight: 64 lb / 29 kg

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Video of ISO 12-18 :

Features:

• Rockville ISO 12-18 Isolation Platform Acoustic Foam Pad for 12" / 15" / 18" Subwoofers
• Extremely high-density foam supports up to 350 lbs.
• Increases sound quality by reducing vibrations and unwanted sounds
• Decreases room resonance from floors and walls
• Improves how tight and deep bass sounds
• Protects your subwoofer from scratches
• Stops your subwoofer from moving around
• Great for live sound, studio, or home theater applications
• Major improvement in sound quality compared to subwoofers placed directly on a hard surface
• Dimensions: 30” x 20” x 1.75” (76.2 cm x 50.8 cm x 4.4 cm)

Fit Guide:​

• MACKIE THUMP18S
• MACKIE DRM18S
• MACKIE SRM1850
• JBL JRX218S
• JBL EON618S
• JBL PRX815XLFW
• JBL PRX818XLFW
• PRESONUS AIR15S
• PRESONUS AIR18S
• CERWIN VEGA CVE-18S
• ROCKVILLE PBG18
• PV 118
• PV 118D
• PVXPSUB
• ROCKVILLE RBG15FA
• ROCKVILLE RBG18FA
• ROCKVILLE RBG18S
• PRESONUS ULT18
• JBL ASB6125
• JBL VRX915S
• JBL Control SB-2
• JBL LSR6312SP
• PRESONUS CDL18s
• PEAVEY SP 118
• PEAVEY Dark Matter DM 115 Sub
• PEAVEY Dark Matter DM 118 Sub
• Ocean Way Audio S12A
• KRK 12sHO
• Genelec 7370A
• Subwoofer Pros Studio Sub 18
• QSC KS212C
• QSC KS112
• Electro-Voice ELX200-18SP
• Electro-Voice EKX-15SP
• Electro-Voice ELX200-18S
• Behringer VQ1500D
• Behringer B1800XP
• Behringer VP1800S
• Behringer Eurolive VQ1800D
• Behringer B1500XP
• Turbosound Milan M15B
• Yamaha DXS15mkII
• Yamaha DXS15XLF
• Yamaha DXS15XLF-D
• Yamaha DXS12mkII
• Yamaha CXS15XLF
• Line 6 StageSource L3s