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The lightning flash with arrowhead symbol
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
“dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to
persons.

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 the product.

THE FCC REGULATION WARNING (for U.S.A.)

This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following
measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that

to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Unauthorized changes or modification to this system can void
the user’s authority to operate this equipment.

CE mark for European Harmonized Standards

CE mark which is attached to our company’s products of AC
mains operated apparatus until December 31, 1996 means it
conforms to EMC Directive (89/336/EEC) and CE mark
Directive (93/68/EEC).
And, CE mark which is attached after January 1, 1997 means it
conforms to EMC Directive (89/336/EEC), CE mark Directive
(93/68/EEC) and Low Voltage Directive (73/23/EEC).
Also, CE mark which is attached to our company’s products of
Battery operated apparatus means it conforms to EMC
Directive (89/336/EEC) and CE mark Directive (93/68/EEC).

IMPORTANT NOTICE TO CONSUMERS

This product has been manufactured according to strict
specifications and voltage requirements that are applicable in
the country in which it is intended that this product should be
used. If you have purchased this product via the internet,
through mail order, and/or via a telephone sale, you must verify
that this product is intended to be used in the country in which
you reside.
WARNING: Use of this product in any country other than that
for which it is intended could be dangerous and could invalidate
the manufacturer’s or distributor’s warranty.
Please also retain your receipt as proof of purchase otherwise
your product may be disqualified from the manufacturer’s or
distributor’s warranty.

IMPORTANT SAFETY INSTRUCTIONS

• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Mains powered apparatus shall not be exposed to dripping or

splashing and that no objects filled with liquids, such as vases,
shall be placed on the apparatus.

• Clean only with dry cloth.
• Do not block any ventilation openings, install in accordance with

the manufacturer’s instructions.

• Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including amplifiers) that
produce heat.

• Do not defeat the safety purpose of the polarized or grounding-

type plug. A polarized plug has two blades with one wider than
the other. A grounding type plug has two blades and a third
grounding prong. The wide blade or the third prong are provided
for your safety. If the provided plug does not fit into your outlet,
consult an electrician for replacement of the obsolete outlet. (for
U.S.A. and Canada)

• Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.

• Only use attachments/accessories specified by the manufacturer.
• Unplug this apparatus during lightning storms or when unused for

long periods of time.

• Turning off the power switch does not completely isolate this

product from the power line so remove the plug from the socket if
not using it for extended periods of time.

• Refer all servicing to qualified service personnel. Servicing is

required when the apparatus has been damaged in any way,
such as power-supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally,
or has been dropped.

• Do not install this equipment on the far position from wall outlet

and/or convenience receptacle.

• Do not install this equipment in a confined space such as a box

for the conveyance or similar unit.

• Use only with the cart, stand, tripod, bracket, or table specified by

the manufacturer, or sold with this apparatus. When a cart is
used, use caution when moving the cart/apparatus combination
to avoid injury from tip-over.

Summary of Contents for Valvetronix AD120VTH

Page 1: ...Addendum...

Page 2: ...his product via the internet through mail order and or via a telephone sale you must verify that this product is intended to be used in the country in which you reside WARNING Use of this product in a...

Page 3: ...almost all the functions of these heads are identical to their combo brothers So what s different and why am I reading this addendum do you ask Did you read the above Speaker connections and imped an...

Page 4: ...D212 AD412 mono 16 Ohms Either one AD212 or AD412 One 16 Ohm cabinet 16 Ohms Either one One 8 Ohm cabinet 8 Ohms Either one One 4 Ohm cabinet 4 Ohms Either one Two 16 Ohm cabinets 8 Ohms Both Two 8 Oh...

Page 5: ...5 Input Input Two 8 Ohm cabinets...

Page 6: ...e 8 Ohm cabinet 8 Ohms One from L or R ch One 4 Ohm cabinet 4 Ohms One from L or R ch Two 16 Ohm cabinets 16 Ohms One from L R ch Two 8 Ohm cabinets 8 Ohms One from L R ch Two 4 Ohm cabinets 4 Ohms On...

Page 7: ...binet to one side you will only get 60 Watts in mono You will not get the full effect of running this head at 120 Watts in stereo We recommend stereo This option is highly recommended This will make y...

Page 8: ...by 2 equals 4 When using two cabinets and each is 16 Ohms set the amp for 8 Ohms Here is the Ohm s Law formula for connecting two speakers or cabinets in parallel Let s take two 16 Ohm cabinets for th...

Page 9: ...Top panel 2 High Low Rear panel 2 x Loop return 1 x Foot controller jack Number of outputs AD60VTH Rear panel 1 x Loop send 1 x Phone out 1 x Line out 2 x Speaker out Parallel connection AD120VTH Rear...

Page 10: ...250 mm 27 17 x 10 71 x 9 84 AD120VTH 690 x 272 x 250 mm 27 17 x 10 71 x 9 84 Weight including protrusions AD60VTH 16 kg 35 27 lbs AD120VTH 18 kg 39 68 lbs Accessories Included Power cable Speaker cab...

Page 11: ...11...

Page 12: ......

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