VCA based Limiter. Also like the LA-2A, the Manley utilizes a tube line amplifier for make-up gain. This is one of our favorite clean and powerful line drivers. We achieve true tube “warmth” with fidelity rather than with distortion.
FRONT PANEL A B C C B A GAIN Adjusts the gain of that audio channel. Unity gain is about the seventh marking, or 1 o’clock. Limiting usually requires some additional “make-up” gain to compare IN / BYPASS. The Gain control can also be used as the level to tape. IN / BYPASS.
OPERATION NOTES The Manley ELOP ® follows certain traits and traditions established by the UREI LA-2 and similar leveling amplifiers. These traits can be divided into two aspects - electronic and operation. The electronic concept is simple and rather clean. Use the audio to light up LEDs or lamps which shine onto photo-resistors.
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There is not many options for adjustment and fine tuning. The good news is that at least the Manley is clean enough to pass a good mix. In a live sound setting the Opto will perform as a fine speaker protection device.
Advanced Tricks Here are a few tricks that are not really for rookies. They come from guys doing major records for years and won’t work unless you’ve mastered the basics. In other words if we gave you a Strat and Marshall it won’t make you another Jimi.
100-120V Operation: Uses a 1A MDL SLO-BLO fuse. 220-240V Operation: Uses a 0.5A MDL SLO-BLO fuse. Waste Electrical and Electronic Equipment (WEEE) Information for customers: The European Parliament and the Council of the European Union have issued the Waste Electrical and Electronic Equipment Directive. The purpose of the Direc- tive is the prevention of waste of electrical and electronic equipment, and to promote the reuse and recycling and other forms of recovery of such waste. As such the Directive concerns producers, distributors and consumers. The WEEE directive requires that both manufacturers and end-consumers dispose of electrical and electronic equipment and parts in an environmentally safe man- ner, and that equipment and waste are reused or recovered for their materials or energy. Electrical and electronic equipment and parts must not be disposed of with normal household wastage; all electrical and electronic equipment and parts must be collected and disposed of separately. Products and equipment which must be collected for reuse, recycling and other forms of recovery are marked with the following pictogram: Small products may not always be marked with this pictogram in which case this is present in the instructions for use, on the guarantee certificate and printed on the packaging. When disposing of electrical and electronic equipment by use of the collection systems available in your country, you protect the environment, human health and contribute to the prudent and rational use of natural resources. Collecting electrical and electronic equipment and waste prevents the potential contamination of nature with the hazardous substances which may be present in electrical and electronic products and equipment. Your MANLEY or LANGEVIN retailer will assist with and advise you of the correct way of disposal in your country.
The other big visual symptom is a tube that has turned milky white - that indicates air has gotten into the tube, or “the vacuum leaked out”. Either way, replace the tube. Call us, or look for a tube supplier on the internet. Manley can ship you a tested one.
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IT MAKES NOISES WHEN THE FRONT PANEL IS TAPPED - An easy one. Some tubes become microphonic over time. That means they start acting like a bad microphone. Vibration has caused the supports for the little parts in the tube to loosen and now the tube is sensitive to vibration.
INTERNAL ADJUSTMENTS 6414 6414 12AU7 12AU7 You will have to start out by setting front panel controls to these settings. BYPASS mode, SEP (LINK OFF), REDUCTION controls counter clockwise (MIN), GAIN to 1:00 or unity, S.C. at “Flat”. The top will need to be open. There are two screws on the top that hold the top perforated- panel to the back.
Large ILLUMINATED Sifam VU METERS (older units before serial number MELOP®B716 shipped before 6/2003 use: 26V 1.2W FESTOON LAMPS; Manley’s Part Number: VAR016B) Order spare bulbs using our parts order form. (newest units after serial number MELOP®B716 shipped after 6/2003 use yellow LED lighting)
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