7
OPERATIONAL NOTES
HANDLING -
The JBL D-130 speaker features an extremely tight voice-coil gap. It also has a very
large Alnico V magnet. Should the amplifier be dropped, the deceleration forces of such a heavy
magnet could cause it to become off-centered. Even the slightest amount could create voice-coil
rub. Use care when handling this precision instrument.
POWER ON
- Switch the bottom chassis and top chassis to the “ON” position and allow the
“IDLE” switch (bottom chassis) to remain in the “IDLE” position (stand-by mode) for about two min-
utes to give the tubes time to warm-up. When ready to play, switch the “IDLE” switch to the “ON”
position. Do not switch the unit on, off, on in rapid succession.
TUBE LIFE
- As with all tubes, their performance degrades with age. Excessive increase in noise
(hiss or rattle) can indicate the need to replace a tube.
BULB REPLACEMENT
- As with all bulbs, your dial lights will eventually burn-out. In order to
change bulbs, the upper chassis will need to be removed from the cabinet. There are two mount-
ing screws on each end of the chassis (4 total). Be sure to disconnect the A/C connector from the
wall outlet and all wires from the chassis. Give support to the chassis so that it doesn't fall as it
becomes loose from the cabinet. Once the chassis has been removed, locate the two bulbs on the
Top Panel. To remove the bulbs, gently press down on the bulb and turn counter-clockwise. The
bulb will loosen and can now be pulled out. Reverse the process to install new bulbs and reinstall
the chassis.
CLEANING
- The Illuminated Dial (top panel) may be cleaned with a non-abrasive cleaner such
as “Windex, non-streaking” applied with a soft clean cloth. CAUTION: The use of abrasives
will scratch the clear plastic surface of the dial, which will illuminate the scratch when the power
is switched on. Never spray the panel directly, as the cleaner may adversely affect the controls,
and can contaminate the circuit if it penetrates the chassis. Protection of the vinyl can be afforded
through a light application of “ARMORALL.” Hardwood cabinets will benefit from an occasional
cleaning with a fine furniture (or guitar) wax or polish such as “Howard’s Orange Oil.” Avoid
using cleaners that contain alcohol.
TUBES, SPEAKERS, PARTS AND ACCESSORIES
- Once the need for new tubes or parts becomes
apparent, The Standel Company can supply SUPER LOW NOISE TUBES and AUTHENTIC
STANDEL PARTS and ACCESSORIES for your unit, FACTORY DIRECT.
For tubes, speakers, parts and accessories, please contact:
The Standel Co.
1-818-837-9864
www.requisiteaudio.com/standel
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