Ashdown ABM 사용 설명서 - 페이지 3
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Ashdown ABM에 대해서도 마찬가지입니다: 사용 설명서 (9 페이지), 사용자 설명서 (9 페이지), 사용자 설명서 (18 페이지)
페이지 인쇄
The lightning flash with the arrow head symbol within an equilateral triangle is intended to
alert the user to the presence of uninsulated 'dangerous voltage' within this product's
enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying this product.
GROUNDING INSTRUCTIONS
This product must be grounded (earthed). If it should malfunction or breakdown, grounding
provides a path of least resistance for electric current to reduce the risk of electric shock. This
product is equipped with a supply cord having an equipment grounding conductor and a
grounding plug. The plug must be plugged into an appropriate outlet that is properly installed
and grounded in accordance with the local codes and ordinances.
DANGER - Improper connection of the equipment grounding conductor can result in a risk of
electric shock. Check with a qualified electrician or serviceman if you are in doubt as to
whether the product is properly grounded. Do not modify the plug provided with the product
– if it will not fit the outlet, have a proper outlet fitted.
The wires in this mains cord are coloured in accordance with the following code:
Green & Yellow - Earth
Blue - Neutral
CE MARK FOR EUROPEAN HARMONISED STANDARDS
The CE mark which is attached to these products means it conforms to EMC Directive
(89/69/EEC), CE mark Directive (93/68/EEC) and Low Voltage Directive (72/23/EEC).
Brown - Live
The ABM Design Philosophy
This is a NO COMPROMISE design using the best parts available wherever possible.
Some examples of this are as follows:
•
Gold plated jack sockets for reliability and long life.
•
Full metal XLR sockets for strength and their positive latching facility.
•
Powerful output stages for extra headroom (rated in English RMS real power and not MUSIC or
PEAK power as these can claim to be 2 or 3 times the actual real power of the amplifier).
•
Doubling up of the cooling fans for reliability and reduced fan noise (2 fans can run at half the speed
to provide the same cooling capacity and as a consequence generate only half the noise of one fan
running at twice the speed).
•
Speed controlled fan drive circuit. Again this reduces the amount of fan noise as the fans run slow
when the unit is cool and increase in speed with output power demands.
•
Powerful TOROIDAL mains transformer. This is more expensive than a laminated stack transformer
but has better regulation, i.e., provides more power on demand without sagging out and also has a
minimal external magnetic field which means that single coil pick up basses are less likely to pick up
mains hum from the amplifier.
•
FET input circuit to the preamp for 'Warmth' even when using the CLEAN input mix setting.
•
D.C. heaters for the TUBE section for low noise operation.
•
Switch on delay for silent power up.
•
Thermal trip for output protection.
•
Relay switched speaker output lines for silent power down.
•
Sub Bass output and Sub Harmonics facility for really serious bottom end.
Everything possible has been done to make this a reliable, top of the range, minimum service, high quality,
long lasting powerful bass amplifier.
We know you will appreciate the effort that has been put into the design and manufacture of this unit
and you will be rewarded in your choice of bass amplifier by long life and reliability.