Our Price: $19.95
Sale: $15.95 (20% off)
See this Deal
Protocol: A Guide to the Collegiate Audition Process for Trombone Book
Remaining Quantity: 2
*Additional discounts do not apply
Price valid on in stock items only.
Print the following sections:
Protect your investment with aPlatinum Coverage warranty plan:
There are no products for the condition you selected. Please make another selection.
This instrument or product has been carefully played/used and returned to us in
virtually new condition, however its packaging may not meet the standards set by
the factory. Also, it no longer carries the manufacturer's warranty. If you're looking
for a virtually new instrument in possibly less-than-perfect packaging, this is
a great value. We feel so strongly you'll like what you see, we're including our
60-Day Satisfaction Guarantee on instruments and 30 days on accessories, to this used product making it a no-risk purchase.
Very Good: This instrument or product has been carefully played/used and shows few,
minor signs of use. In most respects it looks and performs like new and may be considered
equivalent to display units found in retail stores. Its packaging may not meet the
standards set by the factory and it no longer carries the manufacturer's warranty.
Condition 2 products are a terrific value and you can buy with confidence knowing
our 60-Day Satisfaction Guarantee on instruments and 30 days on accessories applies to this used product.
This instrument or product is in good working condition but has one or more cosmetic
flaws beyond those of a Condition 2 product. These flaws are typical of an instrument
or product that's seen normal wear and tear, including incidental scratches, chips,
dings, dents or other imperfections. It performs just as well as a Condition 1 or
Condition 2 instrument/product. Its packaging may not meet the standards set by
the factory and it no longer carries the manufacturer's warranty. Condition 3 is
a great choice if you're looking for performance and value and not as concerned
with cosmetics. You can buy with confidence knowing our 60-Day Satisfaction Guarantee on instruments and 30 days on accessories
applies to this used product.
This instrument or product is not in working condition and needs repair, but can
be brought back to full functionality with replacement of parts or some skilled
repair work. If you are a do-it-yourselfer or know a skilled repair person this
is a terrific value. Condition 4 products are sold AS-IS: they do not come with
a manufacturer's warranty and are not returnable.
This instrument or product has been damaged beyond what we judge is reasonably repairable.
It's best used for spare parts or to practice repairs on, and at this price Condition
5 products are sold AS-IS: they do not come with a manufacturer's warranty and are
Accidental damage, normal wear and power surges are no longer an issue with these comprehensive and affordable plans. We even pay to ship your gear for repairs. More details.
Covers much more than the original manufacturer's warranty:
Limit of Liability: The least of the cost of (1) authorized repairs, (2) replacement with a product of similar features, (3) reimbursement for authorized repairs or replacement or (4) the price that you paid for the product.
*Limitations and exclusions apply. See terms and conditions for program details
Primacoustic Stratus Broadband Ceiling CloudThe Primacoustic Stratus Ceiling Cloud is an acoustical device that suspends above the recording console to control early reflections, flutter echo and help eliminate standing waves that cause resonant peaks in the critical mix position. Once in place, you will immediately enjoy a more controlled and intimate acoustic environment, larger sweet spot, and reduced ear fatigue.Attractive and very affordable, the Stratus acoustic cloud ships in kit-form and is easily put together in minutes using a simple screw driver. The kit includes a 2" thick, 24" x 48" acoustic panel made from high density 6lb per cubic foot fiberglass and suspension hardware. The fiberglass is encapsulated in a micromesh and the edges are resin treated to retain the minute fibers. For an attractive appearance, the panel is covered in an acoustically transparent fabric.The suspension hardware consists of two, light-weight, aluminum rails and "L" brackets that form a rigid frame around the panel. To hang the Stratus, simply attach the included picture wire to the frame. Hardware and fasteners for sheet-rock ceilings are included in the kit. Typically, the Primacoustic Stratus would be suspended above the console and clustered in an array of three to span the width of your console.The Stratus absorbs sound energy by converting it to heat. Sound energy traveling via air vibrations penetrates the panel causing the minute glass fibers to vibrate and generate heat. This thermo-dynamic energy transfer effectively absorbs directional sound energy and prevents it from reflecting into the mix position.By itself, the 2" thick fiberglass panel is 100% effective for frequencies between 400Hz and 20kHz. To help control a broader frequency spectrum, the Stratus may be angled to vary the air space between the Stratus and the ceiling. This allows the backing surface to also absorb reflections off the ceiling.For years, acoustic clouds and canopies have been used to control sound. They can be made of ridged material to reflect sound waves or soft material to absorb it depending on their purpose.In theaters, reflective clouds are often visible in the form of hard, curved devices that are arrayed and suspended above the stage. Theaters use theses types of clouds to reflect sound back toward the stage so that the musician can get a sense of intimacy. These reflective type acoustic clouds provide the natural ambiance of a smaller room within a cavernous hall, thus allowing the performer to better interact within the acoustic environment.Absorbing acoustic clouds, like the Primacoustic Stratus, perform the opposite function: instead of reflecting energy back into the space, the absorbing properties are used to remove unwanted reflections. Basic forms of these devices are known as acoustic baffles (or flags) and are often used in highly reflective environments such as swimming pools, bottling plants, printing presses and other commercial installations where controlling echo or reducing the reverberant time can make the workplace a more comfortable and safe place.The Primacoustic Stratus is a more elegant solution and is the preferred choice in environments such as recording studios where acoustic performance is as important as esthetics. Acoustic clouds play an important role in studio design as they control the powerful primary reflections that originate from the monitors and bounce off the ceiling and console. These primary reflections combine with the direct sound of the loudspeaker and cause phase cancellation. Furthermore, parallel surfaces such as a floor and ceiling cause standing waves to exist which can introduce a resonant peak in the primary listening area.
Order today with the no-risk assurance of our Total Satisfaction and Low Price Guarantees!
* Price guarantee valid on all new in-stock merchandise sold by an authorized U.S. Dealer. Guarantee does not apply to discontinued, blemished, damaged, closeout, open box, refurbished or auction items. You will be contacted via email shortly after submission of request.