Application

12" Open or Closed Back

Configuration

1, 2, or 4 X 12"

Low End Response

Moderate

Low End Shape

Tight

Mid-Range Response

Aggressive

Mid-Range Shape

Warm

High-End Response

Moderate

Volume/Power

Loudest

Overall Coloration*

The epitome of British tone with a complete tonal balance….grunt and punch in the lows, warm/tailored mids, and nice, clear, open/airy highs.

Break-up Modes

Medum

Power Range

Up to 75 watts

Instrument*

Lead/Rhythm Guitar

Genre of Music*

Vintage classic British tone for blues, country, rock, indie and jazz

SPECIFICATION

Nominal Basket Diameter

12", 305 mm

Nominal Impedance*

8 Ω

Power Rating*

Program Power

N/A

Watts

75 W

Resonance

79 Hz

Usable Frequency Range

80 Hz - 5.5 kHz

Sensitivity*

102.2 dB

Magnet Weight

56 oz.

Gap Height

0.313", 8 mm

Voice Coil Diameter

1.75", 44 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

79 Hz

DC Resistance (Re)

6.89 Ω

Coil Inductance (Le)

0.52m H

Mechanical Q (Qms)

15.07

Electromagnetic Q (Qes)

0.43

Total Q (Qts)

0.42

Compliance Equivalent Volume (Vas)

52.45 liters / 1.85 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

64 cc

Mechanical Compliance of Suspension (Cms)

0.14 mm/N

BL Product (BL)

15 T-M

Diaphragm Mass Inc. Airload (MMs)

28 grams

Efficiency Bandwidth Product (EBP)

183

Maximum Linear Excursion (Xmax)

1.23 mm

Surface Area of Cone (Sd)

519.5 cm2

Maximum Mechanical Limit (Xlim)

N/A

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

N/a

Vented

N/a

Driver Volume Displaced

0.079 cu.ft. / 2.25 liters

Overall Diameter

12.17", 309.1 mm

Baffle Hole Diameter

11.13", 282.7 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.24", 6.1mm

Mounting Holes B.C.D.

11.75", 298.5mm

Depth

5.25", 133.4 mm

Net Weight

10.8 lbs, 4.9 kg

Shipping Weight

12.5 lbs, 5.67 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

Copper voice coil

Coil Former

Nomex former

Magnet Composition

Ferrite magnet

Core Details

Non-vented core

Basket Materials

Pressed steel basket

Cone Composition

Paper cone

Cone Edge Composition

Paper cone edge

Dust Cap Composition

Zurette dust cap