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Eminence American Standard Delta 10A - 10" Replacement Speaker

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Product Description

Designed for high power PA/monitor speaker applications, the Eminence Delta 10A PA Speaker features a heavy 56oz. magnet and has a 350 watt rating. Frequency response is 63Hz to 3.7kHz and impedance is 8 ohms. Designed for midrange in three-way systems and bass -mid in two-way systems. Also suitable for bass guitar, keyboards, club music systems and stage monitors.

The Value of Eminence

Eminence wants to make sure their customers know exactly what they are getting when they buy a speaker. Therefore, Eminence provides two different ratings to describe the power handling of all their speakers.

Watts - the guaranteed long term power rating throughout the useable frequency range of the speaker.

Translation: the speaker will operate continuously at any frequency within the speakers’ specified frequency range when driven at this power. The Watts rating is similar to RMS, but is really more indicative of long term thermal capability.

Music Program - the speaker will safely and reliably handle the varying frequencies of musical content at this power rating.

The Music Program rating is more indicative of what you can expect in the real world with the speaker operating within the appropriate enclosure reproducing music or vocal audio program.


How a Speaker Works
The key working components of a loudspeaker are shown in the diagram below. When an electrical current passes through a wire coil (the voice coil) in a magnetic field, it produces a force which varies with the current applied. The cone, connected to the voice coil, moves in and out, creating waves of high and low air pressure.

The coil and magnet assembly are the 'motor structure' of the loudspeaker. The movement is controlled by the loudspeaker's suspension which comprises the cone surround and the spider. The surround and spider allow the coil to move freely along the axis of the magnet's core (or pole) without touching the sides of the magnetic gap.

Eminence technology and proprietary materials mean that age-old compromises of durability against sensitivity, or power handling against precision of response, are more easily solved than you might imagine.

Heatsinks: In the quest for higher power density (more power and hence more sound from less space), Eminence has progressively introduced heatsink components to selected transducers e.g. cast frame neodymium products and Kilomax. The heatsinks pass through the pole of the transducer or are incorporated into the chassis of the loudspeaker to transfer heat away from the coil. The air currents caused by the cone movement cool the heatsink.

Eminence is committed to quality and guarantees all of its speakers for 7 years. They build all of their speakers to greatly exceed customer performance expectations. Dollar for dollar against competitors, an Eminence speaker is well worth the money that you invest!

Product Specifications

Eminence Delta Series Specifications

  • Nominal Basket Diameter: 10 inches, 254 mm
  • Impedance: 8 ohms
  • Power Rating:
    • Music Program: 700 Watts
    • Watts: 350 Watts
  • Resonance: 69 Hz
  • Usable Frequency Range: 63 Hz to 3.7 Khz kHz
  • Average Sensitivity: 1W @ 1m 99 dB
  • Magnet Weight: 56 oz
  • Magnet Gap Depth: 0.375 inches, 9.53 mm
  • Voice Coil Diameter: 2.5 inches, 63.5 mm
Mounting Information
  • Overall Diameter: 10 inches, 254 mm
  • Baffle Hole Diameter: 9.25 inches, 235 mm
  • Front Sealing Gasket: fitted as standard
  • Rear Sealing Gasket: fitted as standard
  • Mounting Holes Diameter: 0.275 inches, 7 mm
  • Mounting Hole P.C.D.: 9.625 inches, 244.5 mm
  • Depth: 4.25 inches, 108 mm
  • Weight: 10.8 lbs, 4.9 kg
  • Shipping Weight: 12.2 lbs, 5.54 kg
Thiele-Small Parameters
  • Resonant Frequency: 69 Hz
  • Impedance (RE): 5.67 ohms
  • Coil Inductance (Le): 0.79 mH
  • Electromagnetic Q (Qes): 0.38
  • Mechanical Q (Qms): 6.37
  • Total Q (Qts): 0.36
  • Compliance Equivalent Volume (Vas): 33 litres, 1.17 cubic feet
  • Peak Diaphragm Displacement Volume (Vd): 62.96 cc
  • Mechanical Compliance of suspension (Cms): 0.2127 mm/N
  • BL Product (BL): 12.7 T-M
  • Diaphragm Mass inc. Airload (Mms): 26 grams
  • Equiv. Resistance of mechanical suspension loss (Rms): 1.75 N*sec/N
  • Efficiency Bandwidth Product (EBP): 179.0
  • Voice Coil Overhang (Xmax): 1.8 mm
  • Surface Area of Cone (Sd): 334.5 cm2
  • Impedance at Resonance (Zmax): 142.3 ohm



Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years
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