Features

  • High quality transducers provide exceptional clarity through the critical voice range.
  • Improved musicality often not seen in typical BGM class products.
  • Ported baffle for increased low frequency extension down to 70 Hz.
  • Low saturation 70/100V transformers with 8 ohm bypass.
  • 4-pole Euroblock connector eases system wiring.
  • Advanced voicing via QSC Intrinsic Correction™, applied using Q-SYS processing or CXD amplifier platforms.
  • Available in black (RAL 9011) or white (RAL 9010).
  • Complete EASE, CAD & BIM information available online.
Price: $140.00
    Quantity:
    Availability: In Stock
    Usually ships In 24 - 48 hours

    Item #: AC-S4T-BK

    Description

    4.5" Two-way surface speaker, 70/100V transformer with 8Ω bypass, 130° conical coverage, includes Yoke Mount. Available in black. Priced individually but must be purchased in pairs.

    Specifications

    SpecificationsAC-S4T
    Effective frequency range170 Hz–20 kHz
    Rated noise power / voltage216 watts / 11.3 volts rms
    Broad-band sensitivity385 dB SPL
    Coverage angle (-6 dB)130° conical (500 Hz–5 kHz)
    Directivity factor (Q)6
    Directivity Index8 dB
    Maximum continuous SPL497 dB
    Maximum peak SPL4103 dB
    Rated impedance8 ohms
    Recommended amplifier power32 watts into 8 ohms
    Transformer taps70V: 16, 8, 4, 2, 1 watts
    100V: 16, 8, 4, 2 watts
    8 ohm bypass
    LF transducer114 mm (4.5-inch) Polypropylene woofer with 25 mm (1-inch) voice coil
    HF transducer25 mm (1-inch) Aluminium dome tweeter with 25 mm (1-inch) voice coil
    Input connector typeEuroblock connector with parallel output
    Enclosure materialUV treated, high impact ABS polymer
    Grille materialPowder coated steel
    Yoke materialPowder coated steel with brass inserts
    Enclosure Details
    • Ingress protection
    • Operating environment
    • Operating Temperature Range

    IP-44
    Designed for indoor use
    -20 to 50° C (-4 to 122° F)
    Product Dimensions (HWD) inches9.1 x 6.3 x 5.9
    Product Dimensions (HWD) mm230 × 160 × 150
    Net Weight5.3 lb / 2.4 kg
    Shipping weight5.3 kg (11.8 lb)
    pair packed
    Shipping Dimensions (HWD) inches11.5 × 8.1 × 14.5
    pair packed
    Shipping Dimensions (HWD) mm292 x 206 x 368
    pair packed
    Included accessoriesYoke mount system, euroblock connector

    1 Free-field, -10 dB from on-axis sensitivity
    2 IEC60268-1 noise signal for 2 hours
    3 On-Axis, free-field sensitivity, 2.83V, 1 m
    4 Calculated from rated noise voltage and sensitivity