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Outline Audio Butterfly-Subtech 218 Sound Package used, second hand

Ref. code: 1.01.168

BUTTERFLY C.D.H. 483 High-Pack

The C.D.H. 483 Hi-Pack is the Butterfly system`s element for mid-low, mid and high frequency reproduction. Weighing just 34 kg. the cabinet has an unmistakable shape which brings to mind the butterfly from which it takes its name, thanks to the triangular opening in the upper and lower "sides". This original design solution favours the optimum coupling of array elements up to the highest frequencies, keeping the distance between the sources as short as possible and at the same time providing them with a continuous loading `baffle`.
The high frequency section of the Butterfly system is equipped with a 3" (1.41" throat) compression driver coupled with a D.P.R.W.G. (Double Parabolic Reflective Wave Guide) device geometrically based entirely on precise mathematic calculations to take a circular planar (flat) wavefront emitted by the source at its input (e.g. that of a compression driver) and transforming it into a rectangular planar wavefront at its output, keeping signal paths identical from every emission point of the source. The rectangular planar wavefront thus obtained can be loaded by an appropriate horn or waveguide to ensure the necessary coverage.
Four high-efficiency 8" mid woofers: two band-pass loaded (110-400Hz) and two reflex high-pass (110-1250Hz) loaded by the sides of a waveguide with a 90° dispersion angle are connected in parallel without any type of passive crossover, so can both be powered using one amplifier.

BUILT-IN HARDWARE

Butterfly Hi-Pack is equipped with built-in flying hardware enabling to adjust the angle between the elements with minimum increments of as little as 0.25 degrees. Its hardware has been certified according to the strictest international norms and allows for flying an array of up to 32 C.D.H. 483 Hi-Packs.

Subtech 218

Subtech 218 is a loudspeaker system suited to high-quality sound reinforcement of low and ultra-low frequencies by the use of two by 46 cm. woofers with a special aligner to keep their resonance frequency steady through the years.
Loading is of the phase inversion type with the enclosure tuned at a rather low frequency by a long port with a large surface area. Allowing to obtain a wide passband and a considerable extension towards the bottom end of the frequency response. The performance is very high thanks to the careful choice of the reflex alignment and the construction of the cabinet. The SubTech 218 has a useable frequency range at -10 dB of from 26 Hz to 500 Hz, while the response is just +/-3 dB from 35 Hz to 350 Hz. The max sensitivity is 105 dB in half space and the maximum continuous AES power, 1500W gives 134 dBSPL in free-field and 137 dBSPL in half-space, while peak values even reach 143 dBSPL. The front of the cabinet is protected by an anti-resonant steel grille covered with sound-transparent foam.
The rectangular cabinet is built in high quality 15mm. Baltic plywood, strengthened by the complex internal structure and suitably positioned internal bracing to eliminate any resonance of the cabinet`s sides. The black outer finish is in high quality scratch-resistant paint. The cabinet has 6 fast flying points, that makes vertical or horizontal hanging of numerous units simultaneously extremely easy and reliable, by using the appropriate optional accessories. The front of the enclosure has recessed sockets for fitting an optional trolley, for handling and protecting the front during transport even on uneven surfaces. Ten recessed integrated handles in the side panels of the cabinet are used for a positive grip during handling.

Features

  • High efficiency subwoofer with two 18" long-throw woofers with special aligner to maintain performance through the years.
  • Very high power handling (6000 Watts AES peak) and maximum sound pressure (143 dBSPL peak at 1 metre). Also available in high-power self-powered format with the same possible standard performances.
  • The woofers are fitted in separate chambers to ensure operation even in the event of the breakage of one component it is possible to connect two different signals, stereo and/or the use of two separate amplification channels.
  • Equipped with Outline`s proprietary "Fast Hanger" hanging system for fast reasonably priced flying.
  • The cabinet is internally braced to ensure the utmost sturdiness, free from harmful sound "colouring" due to resonance an optional trolley with sturdy smooth-running wheels facilitates transport, even on relatively uneven surfaces.

Applications

  • No-nonsense use in "live" concerts of all sizes, floor or stage mounted and combined with other units of the same type for sound reinforcement of low and ultralow frequencies.
  • High quality permanent indoor or outdoor installations. An ideal match for all Outline loudspeaker systems.


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Used Outline Audio


Since 1973 Outline have been applying that Italian passion and design flair to the science of designing loudspeaker systems and associated technologies.
The roots of our company lie with our founder Guido Noselli, who as a young musician was dissatisfied with the audio quality being delivered to his audiences.
His ambition for sonic improvement coincided with the emergence of the disco scene of the mid-70s and the subsequent demand for powerful, full-range loudspeaker systems for the Italian ‘super clubs’ of the day.
Along the way, Outline has pioneered a number of products and technologies that enhance our own products as well those of our contemporaries.
A good example is the ‘ET System’, a computer-controlled turntable which greatly simplifies the measurement of the polar dispersion characteristics of loudspeakers. Designed originally for in-house use only, this remarkable device (upgraded to the ET 250-3D in 2008) has since been purchased by many of the world’s best-known loudspeaker manufacturers as well as various universities, institutes and multinational companies working within the field of acoustics.
 

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Professional used audio equipment.| Professional second hand audio equipment.| Professional pre owned audio equipment.
Second hand audio gear. | Second hand lighting.
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Outdoor & Indoor LED screens for sale, LED mobile truck.
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Octave: The difference between two frequencies where one is twice the other. For example, 200 Hz is an octave higher than 100 Hz. 400 Hz is one octave higher than 200 Hz.

Optical Digital Cable: Fiber optic cable that transfers digital audio signals as light pulses.

Outcue/Outq/Out-Point: These words all refer to the final few seconds of audio signifying the conclusion of the production.

Package: A completed and fully edited audio piece.

Passive: Not active. A passive crossover uses no external power and results in insertion loss. A passive speaker is one without internal amplification.

Phase: Time relationship between signals it’s all relative.

Power Output: A measure, usually in watts, of how much energy is modulated by a component.

Preamplifier: A control and switching component that may include equalization functions. The preamp comes in the signal chain before the amplifiers.

Pre Outs: Connectors that provide a line-level output of the internal preamp or surround processor.

Pre Outs/Main Ins: Connectors on a receiver that provide an interruptible signal loop between the output of the internal preamp or surround processor portion of the receiver and the input of the amplifier portion of the receiver.

Pre/Pro: A combination preamp and surround processor.

Processors: Anything that processes an incoming signal in some way. Surround processors, for example, can decode a Dolby Digital signal to send to an amp so you can hear it.

Pulse Code Modulation: (PCM) a way to convert sound or analog information to binary information (0s and 1s) by taking samples of the sound and record the resulting number as binary information. Used on all CDs, DVD-Audio, and just about every other digital audio format. It can sometimes be found on DVD-Video.

Q-and-A: Question and answer session.

Receiver: Any component that receives, or tunes, broadcast signals, be it NTSC, HDTV, DBS, or AM/FM radio. Typically refers to the single component that includes a preamp, surround processor, multichannel amplifier, and AM/FM tuner.

Reverberation: The reflections of sound within a closed space.

RF: Radio Frequency. Television signals are modulated onto RF signals and are then demodulated by your television’s tuner. VCRs and DBS receivers often include channel 3 or 4 modulators, allowing the output signal to be tuned by the television on those channels. Also, laser discs used an RF signal for modulating Dolby Digital 5.1 soundtracks on some movies. This requires an RF demodulator (usually referred to as an AC3-RF demodulator) before or in the surround processor to decode the signal.

RMS: Root Mean Square or the square root of the arithmetic mean (average) of the square’s set of values. A reasonably accurate method of describing an amplifier`s power output.

SACD: Super Audio CD. Enhanced audio format with up to six channels of high-resolution audio encoded using DSD. Requires an SACD player. Multichannel also requires a controller with six-channel analog or proprietary digital inputs for full playback.

Sampling Frequency: How often a digital sample is taken of an analog wave. The more samples taken, the more accurate the recording will be. You need to sample at a minimum of twice the highest frequency you want to capture. For example, the 44.1-kilohertz sampling rate of a CD cannot record sounds higher than 22.05 kilohertz.

Scener: A radio report in which the announcer is recorded at the same time and place as the background sound of an event.

Sensitivity: A measurement (in dB) of the sound-pressure level over a specified frequency range created by a speaker driven by 1 watt (2.83V at 8 ohms) of power with a microphone placed 1 meter away.

Signal-to-Noise Ratio: A comparison of the signal level relative to the noise level. Larger numbers are better.

Simultaneous Interpretation: This system allows attendees to hear the meeting in their own language.

Sound Bite: A portion of audio of someone speaking.

Sound field: The total acoustical characteristics of a space, such as ambience number, timing, and relative level of reflections ratio of direct to reflected sound RT-60 time etc.

Soundstage: The area between two speakers that appears to the listener to be occupied by sonic images. Like a real stage, a soundstage should have width, depth, and height.

Speaker: A component that converts electrical energy into acoustical energy.

SPL: Sound-Pressure Level. Measured in dB.

Subwoofer: A speaker designed to reproduce very low bass frequencies, usually those below about 80 Hz.

THX: Certification program for home theater equipment. Uses some proprietary features, but mostly assures a base quality level for a given room size. (See THX select or Ultra.) Is compatible with any and all soundtrack formats. Stands for either Tom Holman’s eXperiment, after the engineer who drafted the original standard, or is named after the company’s founder George Lucas first movie, THX 1138. Nobody agrees on which.

THX select: Certification program for speakers and receivers that assures a base level of quality and performance when played in a room that’s between 2,000 and 3,000 cubic feet.

User-Generated Content (UGC): Text, photos, video or audio supplied by the customers of a company.

Voicer: A radio report without background audio taken from a scene or otherwise.

Wrap: A radio report containing both the reporter and an actuality.


Professional used lighting equipment.| Professional second hand lighting equipment.| Professional pre owned lighting equipment.
Professional used audio equipment.| Professional second hand audio equipment.| Professional pre owned audio equipment.
Second hand audio gear. | Second hand lighting.
Pro audio equipment, second hand amplifiers, DJ, second hand sound systems, second hand Microphones, second hand Media Players.
Outdoor & Indoor LED screens for sale, LED mobile truck.
Light trussing, Gebrauchte Veranstaltungstechnik, used stage equipment Stage & Theatre lighting products.

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