What are raw frame speakers? I am looking for replacement guitar speakers.?
A raw frame speaker is term for a speaker without an enclosure or a crossover, and generally with a heavy duty cast basket and a tough suspension system (surround , spider, etc) designed to withstand the shock and vibration stage gear has to take. Generally these are replacements for specific units, often musical instrument loudspeakers (combined head units and speaker enclosures).
If you plan to replace any speaker, there are several steps involved:
1: Mark the speaker’s wires for polarity (”+” and “-”) first. A red Sharpie marker or red electrical tape on the “+” lead will do. Getting it wrong can affect not just your own intrument’s sound, but the sound of other people playing with you (”phase” makes a difference).
2: Disconnect the leads and pull the speaker (usually secured with screws from the front or back, sometimes concealed by a trim ring). If it’s been in there a long time, it may stick- a putty knife can be used to lift the gasket or compression fittings at the edge of the speaker. BE SLOW AND CAREFUL- slipping too far in with the blade can cut the surround or cone of a perfectly good speaker. If it still won’t come, you may have missed screws- or some moron may have glued the speaker to the enclosure. If so, you can use a wire saw to carefully cut it free at the mount point- but chances of salvage are slim for the speaker. Not recommended for the inexpert. You’ll need to grind off the remaining glue to provide a smooth mounting surface for the replacement speaker too.
3: If the speaker is not in obvious physical need of replacement (torn surround, scratching noises when carefully pushed straight in ,etc), meter it or just apply a flashlight battery across the tabs where the wire was connected. If nothing happens (speaker should move in or out or at least make a popping sound), the voice coil is blown. Time for a new one, or a rebuild if it’s vintage gear. If you have a rare old unit of some kind, SAVE THE OLD SPEAKER. You may need to have it reconed if an exact replacement is no longer available. If it seems fine, STOP AND HAVE THE AMP CHECKED.
4: Try to determine the manufacturer, how many watts it can handle, and the size of the unit (look for any marks or brand names on the basket and the magnet assembly). If you have the original manual (or can get one), it may have all that info and a model number under the specifications. Depth is a factor too- your cabinet may not accomodate a replacement that is bigger from front to back than the origiinal. Stock replacements are best to keep the sound of the original unit- it really makes a difference.
5: If possible, order the raw frame unit from the original manufacturer. Shipping companies are brutal, so closer is better- and springing for the three day shipping can make the difference between DOA and a working replacement.
6: Mount the new speaker. Be careful with your screwdriver- one slip can cut the suround. If no seal or gasket came with the replacement, get good quality weatherstripping and put a complete ring down where the speaker meets the enclosure. Usually, one side will have an adhesive strip- make sure it’s on the enclosure, not the speaker, because if you hose it, you want to be scraping it off the enclosure, not your brand new speaker. Use a piece of string or wire around the opening to obtain the length of the seal. Cut your weatherstripping an inch over, overlap it at the mount point, and cut straight down with a razor or sharp knife at a 45 degree angle. Lift the extra bits off the top and bottom of your overlap to get a perfect fit. Sealing the cabinet prevents hisses, whistles, and increases the effective volume and sound quality of the unit.It also provides a bit of shock-mounting for the speaker. Be gentle for the first few hours of use- some new speakers are very “stiff” out of the box and require a short break in period. Enjoy!
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Leo Fender and George Fullerton are the founders and inventors of the electric bass guitars that was first introduced in the 1950s. The split up feature of the first bass guitar was introduced in 1957. This feature is the one responsible for producing the humbucking effect attributed to bass guitars. A violin shaped guitar was then released by Gibson followed by a more modern designed six years thereafter. Because of the success and popularity of guitars, several small guitar companies followed the ranks of Fender and Gibson and manufactured their own versions of bass guitars. In the 1960’s, rock music became widely popular making bass guitar a common household name.
Wood and graphite are the most common materials used to manufacture bass guitars. But each part of the bass guitar uses different types of materials like alder for the body, maple for the neck, and rosewood for the fretboard. Lacquer, wax and oil are used for the finishing of the bass guitar. Bass guitars are usually flat or curved. Some bass guitars appear to be headless with the tuning machines in the bridge. More expensive types of bass guitars and acoustic bass guitars are usually made of ovangkol, wenge, or ebony.
Electric guitars and bass guitars have similar amplification functions. To connect an amplifier to a speaker, a patch cord is used. Most electric bassists use a combo amplifier, with the amplifier and the speaker in one cabinet.
Musicians who regard playing instruments and creating music as a real career path spend a great deal of their time and effort in practicing and improving their talents on playing the bass guitar. Plucking techniques differ with each guitarist; pizzicato style would be when the strings are plucked with the fingers. James Jamerson played his “The Hook,” a style of plucking that only involved his index finger.
Several musicians from different genres use the slap and pop style of plucking. Funk uses tones and percussive sounds by slapping a string with the thumb and snapping the strings with the index or middle fingers. Rock and Fusion also use this method and this was popular all throughout the 80’s and 90’s.
When a guitarist wants to speed up his play, picks or plectrums is used to make the strumming more articulate and sound perfect and distinct. Picks for bass guitars are thicker and heavier because of its heavier strings.
There are several different bass guitars and amplifiers you can choose from. You can single handedly search online for the best types and even find several accoutrements you might be interested in.
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