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Audio Valves EZ81 U709 UU12 CV5072 6CA4 Rectifier
New Old Stock
The EZ81 was introduced by Mullard as a high current B9A rectifier, the low power rectifier offered by Mullard was the 90 mA EZ80. Prior to the EZ81 Mullard designs used the GZ34. in use the maximum reservoir capacitor would be limited to 50 µF and to prevent damage by excess current an effective series resistance of 230 Ohms is used. The thin glass tube envelope is 19 mm in diameter and, excluding the B9A base pins, is 70 mm tall. The EZ81 saw much use in classic hifi and classic guitar amplifier designed including such exotics as:-
Bogen DB230
Cary SLP90
Concert Fidelity Pre-amp
Marshall EL84 guitar amp
Reinhardt SVT-18 guitar amp
Wright Sound phono stage
Camera House Price: £14.00
The Mullard Audio Valve EZ81 U709 UU12 CV5072 6CA4 RECTIFIER is shown in Movie Film & Video Equipment.
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Delivery will be made by Royal Mail, you will be able to track your order online to find your scheduled delivery date. Any deliveries scheduled to arrive on the Saturday or Bank Holiday will be delivered the following working day. We aim to dispatch your order within 24 hours of the time the order has been placed.
Looking after your camera
Use a Camera Bag
A camera bag does more than just protect the camera against scratches and dust: It keeps it safe from rain because many are waterproof on the outside.
Be Very Careful Around the LCD Screen and Camera Lens
Use only special equipment to clean your camera’s LCD screen and camera lens. Buy a special cleaning kit that includes liquid solutions, microfiber cloths and brushes that have been specially designed to clean your camera lens.
Never Leave Your Batteries in Your Camera for Too Long
Many camera batteries are now alkaline or lithium formats. If you keep your camera with the batteries inside of it in a moist area, then the batteries can get corrosive. So if you’re thinking about just putting your camera on the shelf for several months, do yourself a favor and remove them.
Turn Your Camera Off Prior to Doing Anything
Before you do anything to your camera, always keep in mind that it should be turned off first. No matter what it is—swapping lenses, changing memory cards or disconnecting or attaching cables—your camera should be turned off.
Cold and Wet Weather Can Wreak Havoc on Your Camera Body
Take your camera out only in a waterproof bag. If the weather’s unusually cold, just wrap your camera in a plastic bag that has silica desiccant packets for the reduction of moisture. It’s also a smart idea to have a soft towel with you to wipe off any moisture, just in case it should get on your camera.
Good Memory Card Care Is Good Camera Care
Only transport your memory cards inside of a protective caseMake sure the memory cards stay dust-free at all times. When removing memory cards, make sure you do so indoors or in non-dusty situations.
Make sure that you keep memory cards only in cool places. Never keep them in places where they may heat up, like dashboards or glove compartments.
Never place your memory cards close to magnetic sources. Examples of magnetic sources are things such as audio speakers, TV monitors and actual magnets.
Use a Filter to Protect Your Camera Lens
The lens of your camera is naturally fragile. As such, it’s susceptible to scratches, cracks, dents…you name it. A UV filter will not only will you give your lens a fighting chance, but you’ll also enhance the quality of your pictures.
Condensation Can Be Controlled
Condensation normally happens when you move your camera between different temperatures.
Allow your camera a chance to naturally get used to the hotter environment. Don’t place it inside a closed plastic bag when transporting it between different temperatures! Just let the camera sit in the humid temperature for a while, until condensation disappears.
If this still doesn’t get rid of all of it, you can utilize a soft cloth to wipe away any remaining moisture and marks left behind from the condensation.
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Leica Fotografie International Magazine 6/2002 August/September
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Sandisk keyring case for compact flash/SD memory cards
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Leica. The Program Paperback January 1, 2000
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