BD121S

Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm

Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm
Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm
Passive
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta Plywood 21" Subwoofer 1500w RMS 4ë©
Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm
Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm
BD121S

Delta 21" Birch Plywood Passive Subwoofer 1500w RMS 4 ohm

Normaler Preis
$1,234.80(incl. VAT) $1,029.00
/

Jetzt kaufen und später bezahlen, oder in 3 Raten zu je $343 (excl. VAT) bezahlen mit

Key Features:

  • Audio Type: Passive
  • Impedance: 4 Ohm
  • 5" voice coil
  • 3,000w programme power
  • 6,000w peak power
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This 21-inch Neodymium Subwoofer is encased in my 18mm Birch Marine Plywood cabinet. This passive neodymium subwoofer delivers over 139 dB SPL. My driver in the box is 1500w RMS and 4-ohm impedance.

Use these to deliver the Sub Bass frequencies that an 18" cannot deliver. Use these at low volume under the 18" subwoofer to truly experience low frequencies.

Key Features:

  • 8mm, 13-ply birch marine plywood wooden enclosure
  • Countersunk Extra Thick "ding proof" grille to prevent grill damage when on tour
  • Acoustic foam behind the grille to prevent moisture and dust ingression
  • Point Source
  • Frequency Range = 29~150Hz
  • Impedance = 4 ohms
  • Power = 1500w RMS - Program 3000w - Peak 6000w
  • Max SPL (dB) - 139
  • Cross Over (Hz) -  80- 150 dependent on your system
  • Connection - 2 x Speakon in/out

To get even lower sub low bass plug the ports and seal the cabinet.

Marine Birch Plywood 21" cabinet finished in Heavy Duty black splatter paint it will withstand all the knocks and scrapes gathered through touring.

Fitted with my purpose made BWN21 12kg driver with its 5-inch voice coil which goes down to 27Hz.

The neodymium 21" driver is very efficient and takes modest amplification to drive it. Study our BP4k amplifier.

If you are presently using an 18" speaker you will notice a huge difference by adding  this single or double 21"

Speakon in and Speakon out enables you to link two subs together giving a 2-ohm load.

Other Features

  • British Designed 21" NEO Driver with British Paper Cones
  • Point Source Ported Design
  • Five Inch voice coil
  • SpeakON NL4 in/out
  • Easy Lift Handles
  • 2mm metal grille backed with black acoustic foam
  • Rugged birch marine plywood 18mm enclosure
  • Program: 3000W
  • Peak: 6000W
  • Carton Gross Weight = 50kg
  • Speaker Net Weight = 46kg
  • Product Dimensions = 80cm x 65cm x 77cm
  • Carton Dimensions  = 84cm x 69.5cm x 82.5cm

Important information about subwoofers

Subwoofers are designed to reproduce low bass audio signals between <30Hz and <150Hz. Driving them with full frequencies will cause permanent damage, so they should only be operated with a passive low-pass filter, a crossover network, or an active electronic crossover or speaker management system.

Maße

  • Boxed depth:83.0 cm
  • Boxed height:88.0 cm
  • Boxed width:74.0 cm
  • Unboxed depth:77.0 cm
  • Unboxed height:80.0 cm
  • Unboxed weight:46.0 kg
  • Unboxed width:69.5 cm
  • Boxed weight: 54.0 kg

Spezifikationen

  • RMS Power: 1500w
  • Audio Type: Passive
  • 6,000w peak power
  • Countersunk extra thick "ding proof" grille to prevent grill damage when on tour
  • Acoustic foam behind the grille to prevent moisture and dust ingression
  • Voice Coil DC Resistance Re: 3.6 Ω
  • Resonance Frequency Fs: 35.0 Hz
  • Mechanical Q Factor Qms: 10.5
  • Electrical Q Factor Qes: 0.45
  • Total Q Factor Qts: 0.43
  • Mechanical Moving Mass Mms: 335 g
  • Mechanical Compliance Cms: 252 um/N
  • Force Factor BL: 24.3 Wb/m
  • 3,000w programme power
  • Equivalent Acoustic Volume Vas: 260.0 It.
  • 5" voice coil
  • Impedance: 4 Ohm
  • Frequency Response: 27Hz - 150Hz
  • External crossover to be used
  • Connections: 2 x SpeakON NL4 in and out
  • 2mm metal grille backed with black acoustic foam, finished in acrylic enamel, black
  • Max SPL: 130db
average rating 5.0 out of 5
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Neal D.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

5 Stars

Very nice indeed I got two plus a amp and a processor very efficient service highly recommend

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