Content | DELTA-12LFA American Standard Series
Recommended for professional audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable
Mas a woofer in vented, bass guitar or PA enclosures.
SPECIFICATION
- Nominal Basket Diameter 12“, 304.8 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 500 W / Music Program 1000 W
- Resonance 51 Hz
- Usable Frequency Range 44 Hz - 3 kHz
- Sensitivity 94.6
- Magnet Weight 56 oz.
- Gap Height 0.375“, 9.53 mm
- Voice Coil Diameter 2.5“, 63.5 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 51 Hz
- DC Resistance (Re) 6.06
- Coil Inductance (Le) 1.45 mH
- Mechanical Q (Qms) 7.28
- Electromagnetic Q (Qes) 0.51
- Total Q (Qts) 0.47
- Compliance Equivalent Volume 67.9 liters (Vas) 67.9 liters / 2.4 cu. ft.
- Peak Diaphragm Displacement Volume 243 cc
- Mechanical Compliance of Suspension 0.19 mm/N
- BL Product (BL) 14.1 T-M
- Diaphragm Mass inc. Airload (Mms) 51 grams
- Efficiency Bandwidth Product (EBP) 100
- Maximum Linear Excursion (Xmax) 4.8 mm
- Surface Area of Cone (Sd) 506.7 cm²
- Maximum Mechanical Limit (Xlim) 13.5 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 19.8-28 liters/0.7-1.0 cu.ft.
Vented 25.5-102 liters/0.9-3.6 cu.ft.
- Overall Diameter 12.03“, 305.5 mm
- Baffle Hole Diameter 10.95“, 278.1 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.25“, 6.4 mm
- Mounting Holes B.C.D. 11.59“, 294.3 mm
- Depth 5.35“, 136 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented and extended core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
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Originally created as a higher-power handling variant of the G12M Greenback, the G12-65 is widely regarded as one of the best speakers ever produced for use in a 4x12 cabinet.
With its fast attack and tightly controlled low-end, the G12-65 became a firm favourite in the ʼ80s with hard rock players. The precisely tuned midrange and crisp defined top-end contribute to an aggressive crunch sound that punches through the mix while the mid-range warmth and detail give weight and depth to single notes.
General specifications | Nominal diameter | 12“, 305mm | Power Rating | 65W | Nominal impedance | 8Ω and 15Ω | Sensitivity | 97dB | Chassis type | Pressed steel | Voice coil diameter | 1.75“, 44.5mm | Voice coil material | Rounded copper | Magnet type | Ceramic | Magnet weight | 35oz, 0.99kg | Frequency range | 80-5000Hz | Resonance frequency, Fs | 85Hz | DC resistance, Re | 6.9Ω & 11.8Ω | Mounting Information | Diameter | 12.2“, 309mm | Overall depth | 5.0“, 128mm | Magnet structure diameter | 5.7“, 145mm | Cut-out diameter | 11.1“, 283mm | Mounting slot dimensions | 0.31“, 7.9mm Ø | Number of mounting slots | 4 | Mounting slot PCD | 11.7“, 297mm | Unit weight | 12.1lb, 5.5kg |
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- Neodymium Coaxial Transducer
- 98 dB Sensitivity 1 W / 1 m
- 500 W + 80 W Power Handling
- 3" Copper Sandwich Voice Coil
- Triple Aluminum demodulating Rings
- Elliptical 80° x 60° Waveguide for precise directivity
- Single Point Source providing coherent Wave Front
- Very high SPL, superb Quaity Sound
- Optimal for compact 2-way Systems
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For use in 2-way or compact 3-way systems, the 1225 bass and mid range driver has a high sensitivity and excellent power handling characteristics.
General specifications Nominal diameter (mm/in) | 305/12 | Power Rating (AES, W rms) | 250 | Nominal impedance (Ω) | 8 | Voice coil diameter (mm/in) | 63.5/2.5 | Magnet type | Ceramic | Magnet weight (kg/oz) | 1.2/42 | Chassis type | Pressed steel | Sensitivity (dB) | 97 | Frequency range (Hz) | 40-4000 | Coil material | Round copper | Former material | Polyimide | Cone material | Kevlar loaded paper | Surround material | Cloth-sealed | Suspension | Single | Xmax (mm/in) | 2.4/0.09 | Gap depth (mm/in) | 8.0/0.31 | Voice coil winding width (mm/in) | 12.7/0.50 | Small Signal Parameters D (m/in) | 0.26/10.24 | Fs (Hz) | 63 | Mmd (g/oz) | 39.60/1.40 | Mair | | Qms | 6.70 | Qes | 0.54 | Qts | 0.50 | Re (Ω) | 5.13 | Vas (lt/ft3) | 54.5/1.92 | BI (Tm) | 13.20 | Cms (mm/N) | 0.14 | Rms (kg/s) | 2.76 | Le (mH) | | Mounting Information Overall diameter (mm/in) | 309/12.17 | Overall depth (mm/in) | 130/5.12 | Cut-out diameter (mm/in) | 283/11.14 | Mounting slot dimensions (mm/in) | Ø 7.9/0.31 | Number of mounting slots | 4 | Mounting slot PCD range (mm/in) | 297/11.69 | Unit weight (kg/lb) | 4.1/9.0 | Packed Dimensions and Weight Single pack size W x D x H (mm/in) | 330 x 330 x 150/13.0 x 13.0 x 5.9 | Single pack weight (kg/lb) | 3/6.6 | Multipack (60) size W x D x H (mm/in) | 1080 x 980 x 880/42.5 x 38.6 x 34.6 | Multipack (60) weight (kg/lb) | 190/419 |
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400 W continuous program power capacity |
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90° nominal coverage |
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50 – 20000 Hz response |
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98 dB sensitivity |
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XO-2 dedicated crossover network |
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