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Jus Lukin

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Posts posted by Jus Lukin

  1. This is a sealed 1x15 from Ashdown.

    I didn't want a tweeter, so it has been removed and the hole covered with MDF backed with foam rubber for a removable but very solid seal. The tweeter is included, but appeared to be leaking a little air, to me. I have also added polyester wadding to the internal walls of the cab to reduce reflections within the box.

    As you'd expect from a sealed cab it has a tight, punchy low end response, full lower-mids, and a smooth/warm top end response without the tweeter. It makes for a particularly gutsy overdrive or distortion tone and looks rather smashing, too. There are some small scuffs as shown in the photos.

     

    It measures 520x490x335mm, weighs 19.5kg, and is 250 watts at 8 Ohms.

     

    Cheapest UK postage is £8.82, Parcelforce 48hr. Full insurance and quicker delivery will be a little extra.

     

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    • Like 1
  2. In excellent condition and with little use, both 150 watts, 8 ohms. Excellent drivers, suitable for sealed or ported cabinets. Will be well packed, and can be posted within the UK for as little as £5.52.

     

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    A cut and paste of the specs:

     

    SPECIFICATION

    Nominal Basket Diameter12", 305 mm

    Nominal Impedance*8 Ω

    Power Rating*

    Program Power300 W

    Watts150 W

    Resonance48 Hz

    Usable Frequency Range49 Hz - 4.5 kHz

    Sensitivity*99 dB

    Magnet Weight4 oz.

    Gap Height0.28", 7.1 mm

    Voice Coil Diameter2", 51 mm

     

    THIELE & SMALL PARAMETERS

    Resonant Frequency (fs)48 Hz

    DC Resistance (Re)5.1 Ω

    Coil Inductance (Le)0.43m H

    Mechanical Q (Qms)5.5

    Electromagnetic Q (Qes)0.53

    Total Q (Qts)0.48

    Compliance Equivalent Volume (Vas)90.6 liters / 3.2 cu.ft.

    Peak Diaphragm Displacement Volume (Vd)270.1 cc

    Mechanical Compliance of Suspension (Cms)0.24 mm/N

    BL Product (BL)11.7 T-M

    Diaphragm Mass Inc. Airload (MMs)46 grams

    Efficiency Bandwidth Product (EBP)91

    Maximum Linear Excursion (Xmax)5.2 mm

    Surface Area of Cone (Sd)519.5 cm2

    Maximum Mechanical Limit (Xlim)9.8 mm

     

    MOUNTING INFORMATION

    SealedAcceptable, VentedAcceptable

    Driver Volume Displaced0.059 cu.ft. / 1.67 liters

    Overall Diameter12.03", 305.6 mm

    Baffle Hole Diameter11.07", 281.2 mm

    Front Sealing GasketYes

    Rear Sealing GasketN/A

    Mounting Holes Diameter0.25", 6.4mm

    Mounting Holes B.C.D.11.59", 294.4mm

    Depth5.1", 129.5 mm

    Net Weight4.1 lbs, 1.86 kg

    Shipping Weight5.8 lbs, 2.63 kgs

     

     

    MATERIALS OF CONSTRUCTION

    Coil ConstructionCopper voice coil

    Coil FormerPolyimide former

    Magnet CompositionNeodymium magnet

    Core DetailsNon-vented core

    Basket MaterialsPressed steel basket

    Cone CompositionPaper cone

    Cone Edge CompositionCloth cone edge

    Dust Cap CompositionSolid composition felt dust cap

    • Like 1
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