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Celestion Orwell PA speakers from K+T magazine 4/2016
Kit without housing, price per speaker
Orwell is a high-quality two-and-a-half-way PA loudspeaker with HiFi sound qualities. Orwell uses the Celestion CDX20-3020 tweeter with a P-Audio PH-2380 horn as a tweeter. The bass part is handled by two Celestion FTR15-3070C.
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Celestion Orwell PA speakers from K+T magazine 4/2016
Kit without housing, price per speaker
Orwell is a high-quality two-and-a-half-way PA loudspeaker with HiFi sound qualities. Orwell uses the Celestion CDX20-3020 tweeter with a P-Audio PH-2380 horn as a tweeter. The bass part is handled by two Celestion FTR15-3070C.
The crossover consists of a 3rd order high pass (18 dB / octave) for the tweeter. A 2nd order low pass separates the lower woofer above approx. 300 Hz. The upper woofer is also separated above 1000 Hz with a 2nd order low pass (12 dB / octave). Both woofers play together in the bass range below 300 Hz. The frequency response of the loudspeaker is balanced. The decay spectrum shows small artifacts typical of horns. At low volumes, the non-linear distortions are below the measurement limit according to Klang+Ton magazine. At medium volumes (95 dB, 1 m) they are below 0.5% between 500 and 4000 Hz. At 105 dB, 1 m they remain below 1.5% in the frequency range mentioned.
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Technical data:
- Impedance: 4 Ohm
- Sound pressure level (2.83V/1m): 99 dB
- Dimensions (HxWxD): 1250 x 550 x 550 mm
- Frequency range (-8dB): 40 - 20000 Hz
- Crossover frequency(s): 220, 1050 Hz
- Principle: bass reflex box
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Highlights
- Celestion CDX20-3020, 3 inch titanium driver, 8 Ohm
- P-Audio 2 inch horn PH-2380
- 2x Celestion woofer FTR15-3070C, 100dB, 50Hz-2.5kHz
- 4x bass reflex tube HP100, 100x200 mm, black
- 3x convoluted foam panels N25 100x50x4cm anthracite/black
- 2x Neutrik Speakon NL4MPR, round socket, 4-pin
- 4m speaker cable 2x2.5 mm2, transparent
- Speaker feet, pack of 4 (st-BN202554)
- 24x 1 piece drive-in nut M6x9mm, DIN 6930 g, galvanized
- 24x 1 piece Allen screw M6x35mm, DIN 912, black
- 2x Handle shell GSM-220, steel 22x16 cm black
- Construction plan for the kit the crossover components (right), to be assembled on a wooden board.
- Audaphon MKP CAP Superior 4.7 μF / 400 Vdc
- Audaphon MKP CAP Superior 8.2 μF / 400 Vdc
- Audaphon MKT capacitor 33 μF / 160 Vdc
- Audaphon MKT capacitor 47 μF / 160 Vdc
- 1.0 mm air coil, 1.5 mH/0.62 Ohm
- Mundorf BS140 core coil 8.2mH/0.33Ohm
- Mundorf H-core coil H140, 2.2 mH/0.14 0hm
- Ceramic resistor 15 Ohm/20 Watt
Celestion Orwell
2 Items
Celestion speakers are a well-known brand in the world of guitar and bass amplification, famous for their high-quality sound and durability. Founded in 1924 in London, Celestion has a long history of producing speakers for a variety of applications, but they are particularly recognized for their guitar speakers. Their designs are widely regarded for their ability to shape tone, offering a range of frequencies that bring out the best in both clean and distorted sounds.
Some of their most popular models include:
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Celestion Vintage 30: This is one of their most iconic speakers. It’s often associated with high-gain rock and metal tones, with a punchy midrange, tight bass, and pronounced high-end that works well with overdriven tones.
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Celestion Greenback: Known for its classic British tone, the Greenback is often linked with the vintage sound of the '60s and '70s. It has a warm, creamy sound with less emphasis on bass compared to the Vintage 30.
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Celestion G12T-75: A bit more modern, this speaker is great for high-output amps and has a more aggressive, cutting sound with a strong midrange and high-end presence, making it a favorite for hard rock and metal.
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Celestion Alnico Blue: Famous for its smooth, vintage tone with a distinct chime. It’s great for classic rock, blues, and jazz players looking for that rich, warm sound with natural compression.
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Celestion Creamback: A great middle ground between the Vintage 30 and Greenback, offering a balanced tone that works for a wide variety of genres. It has a smoother, more vintage character than the V30 but with more clarity than the Greenback.
Celestion speakers are often used in high-end amplifiers like those from Marshall, Orange, Fender, and Vox, but they also make a variety of speakers for DIY amp builders and custom cabinets.
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