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This classic guitar speaker actually started life as a radio speaker that was modified specifically for use in electric guitar amplifiers. In its original incarnation as the G12 T530 it appeared in several colour variations, but it was the Blue version, fitted as standard into Vox AC30 amps, that secured its place in guitar tone history.
The Blue found favour with notable guitarists like Brian May, due to its glorious dampened attack, warm lows, mellow upper-mids and brilliant belllike top-end. When coupled with a suitable amplifier it evokes rich definition and develops beautiful musical compression when pushed. According to tone enthusiasts worldwide, the Blue is the benchmark for guitar speaker perfection.
| General specifications |
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| Nominal diameter | 12“, 305mm | | Power Rating | 15W | | Nominal impedance | 8Ω and 15Ω | | Sensitivity | 100dB | | Chassis type | Pressed steel | | Voice coil diameter | 1.75“, 44.5mm | | Voice coil material | Round copper | | Magnet type | Alnico | | Frequency range | 75-5000Hz | | Resonance frequency, Fs | 75Hz | | DC resistance, Re | 6.4Ω & 11.8Ω |
| Mounting Information | | Diameter | 12.2“, 309mm | | Overall depth | 6.5“, 165mm | | Magnet structure diameter | 5.0“, 128mm | | 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 | 9.3lb, 4.2kg |
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Μεγάφωνο coaxial νεοδυμίου με 12" woofer, 8Ω,
350W Nominal, 700W continuous, 99dB
(1W/1m) και κόρνα 80W Nominal, 160W
continuous, 105dB (1W/1m), απόκριση
συχνότητας 45-18000Hz, διασπορά 80 μοίρες,
5Kg.
| 700 W continuous program power capacity |
| | 80° nominal coverage |
| | 45 – 18000 Hz response |
| | 99 dB sensitivity |
| | Single Neodymium magnet assembly |
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Μεγάφωνο coaxial 12“, 350W, 99dΒ, 11.2kg
| 700 W continuous program power capacity |
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| 80° nominal coverage |
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| 55 – 20000 Hz response |
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| 99 dB sensitivity |
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| XO-3 dedicated crossover network |
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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 |
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| 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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DELTA-12A Standard American
Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.
SPECIFICATION - Nominal Basket Diameter 12“, 304.8 mm
- Nominal Impedance 16 ohms
- Power Rating Watts 400 W / Music Program 800 W
- Resonance 55 Hz
- Usable Frequency Range 54 Hz - 5 kHz
- Sensitivity 98.3
- 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) 55 Hz
- DC Resistance (Re) 6.3
- Coil Inductance (Le) 0.74 mH
- Mechanical Q (Qms) 5.27
- Electromagnetic Q (Qes) 0.46
- Total Q (Qts) 0.43
- Compliance Equivalent Volume 81.3 liters (Vas) 81.3 liters / 2.9 cu. ft.
- Peak Diaphragm Displacement Volume 125 cc
- Mechanical Compliance of Suspension 0.21 mm/N
- BL Product (BL) 13.5 T-M
- Diaphragm Mass inc. Airload (Mms) 39 grams
- Efficiency Bandwidth Product (EBP) 120
- Maximum Linear Excursion (Xmax) 2.4 mm
- Surface Area of Cone (Sd) 519.5 cm²
- Maximum Mechanical Limit (Xlim) 9.9 mm
MOUNTING Information - Recommended Enclosure Volume
Sealed N/A
Vented 25.5-85 liters/0.9-3 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 - Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition felt dust cap
| The B&C 12NW100 speaker is designed to produce bass, it is typically a 12 inch usable as a bass power speaker in a subwoofer for a compact system often transported. The 12NW100 will delight you with bass-reflex or band-pass load, its significant admissible electrical power makes it a real machine for producing bass, however, special care must be taken with the amplification dedicated to it.
2000 W continuous program power capacity
100 mm (4 in) copper voice coil
45 - 1500 Hz response
96 dB sensitivity
FEA optimized Neodymium magnet assembly
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
General
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| Product type |
Cone driver |
| Brand |
B&C Speakers |
| Reference |
12NW100 |
| Product code |
ALT12NW1008 |
Informations
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| Nominal impedance |
8 ohm |
| Dimensional category |
12.5 inch |
| Frequency coverage type |
Sub, Low, Midbass |
| Manufacturer sensitivity |
96 dB |
| Calculated sensitivity |
93.76 dB |
| Nominal power handling |
1000 W |
| Bandwidth |
45÷1500 Hz |
Fundamental parameters
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| Sd |
531 cm² |
| Mms |
119 gr |
| Le |
1.9 mH |
| Re |
5.1 ohm |
| BL |
28 T.m |
Small signal parameters
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| Fs |
42 Hz |
| Qes |
0.21 |
| Qms |
3.6 |
| Qts |
0.2 |
| Vas |
44 L |
Datas
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| Xmax |
±9 mm |
| Calculated Xmax |
±10.5 mm |
| EBP |
200 Hz |
| Zmin |
6.2 ohm |
| Fs / Qts |
210 Hz |
| Vas * Qts² |
1.76 L |
| Efficiency |
1.7 % |
| Calculated efficiency |
1.5 % |
| Weight |
~8.2 kg |
| Recommended load volume |
50 L |
| Fréquence d'accord liée à la charge |
50 Hz |
Dimensions
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| Voice coil diameter |
4 inch |
| Winding depth |
25 mm |
| Gap height |
12 mm |
| Outside diameter |
319 mm |
| Baffle cutout diameter |
281 mm |
| Front thickness |
13 mm |
| Depth after front |
124 mm |
Shape & Materials
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| Front chape |
Cylindrical |
| Magnet type |
Neodymium |
| Basket masterial |
Aluminium |
| Winding material |
Copper |
| Voice coil former |
Glass fiber |
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