BUGERA 412H-BK
User Manual
BUGERA 412H-BK
Classic 4 x 12", 200-Watt Half-Stack Guitar Cabinet with
Original BUGERA Speakers
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BUGERA 412H-BK User Manual
Important Safety
Instructions
Warning
Terminals marked with this symbol carry
electrical current of sufficient magnitude
to constitute risk of electric shock. Use only high-quality
professional speaker cables with ¼" TS or twist-locking
plugs pre-installed. All other installation or modification
should be performed only by qualified personnel.
Caution
High voltage! Risk of death! To avoid lethal
electric shock, do not open the casing.
There are no user-serviceable components inside. Refer all
maintenance to qualified service personnel. Remove the
mains cable when the unit is not in use.
Warning
To eliminate the risk of fire and electric
shock, do not expose this unit to rain or
moisture and splashing or dripping liquid, which might
enter the device. Do not place any objects filled with
liquid, such as vases, on the unit.
12. Use only with the
cart, stand, tripod, bracket,
or table specified by the
manufacturer, or sold with
the apparatus. When a cart
is used, use caution when
moving the cart/apparatus
combination to avoid
injury from tip-over.
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. 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.
15. The apparatus shall be connected to a MAINS socket
outlet with a protective earthing connection.
16. Where the MAINS plug or an appliance coupler is
used as the disconnect device, the disconnect device shall
remain readily operable.
17. CAUTION! - These service instructions are for use by
qualified service personnel only. To reduce the risk of
electric shock do not perform any servicing other than
that contained in the operation instructions unless you are
qualified to do so.
This symbol, wherever it appears,
alerts you to the presence of uninsulated
dangerous voltage inside the enclosure—
voltage that may be sufficient to constitute a risk of shock.
This symbol, wherever it appears,
alerts you to important operating and
maintenance instructions in the
accompanying literature. Please read the manual.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. 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.
10. Protect the power cord from being walked on or
pinched particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by
the manufacturer.
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LEGAL DISCLAIMER
TECHNICAL SPECIFICATIONS AND APPEARANCES
ARE SUBJECT TO CHANGE WITHOUT NOTICE AND
ACCURACY IS NOT GUARANTEED. BUGERA IS PART
OF THE MUSIC GROUP (MUSIC-GROUP.COM).
ALL TRADEMARKS ARE THE PROPERTY OF THEIR
RESPECTIVE OWNERS. MUSIC GROUP ACCEPTS NO
LIABILITY FOR ANY LOSS WHICH MAY BE SUFFERED
BY ANY PERSON WHO RELIES EITHER WHOLLY OR
IN PART UPON ANY DESCRIPTION, PHOTOGRAPH
OR STATEMENT CONTAINED HEREIN. COLORS AND
SPECIFICATIONS MAY VARY FROM ACTUAL PRODUCT.
MUSIC GROUP PRODUCTS ARE SOLD THROUGH
AUTHORIZED FULLFILLERS AND RESELLERS ONLY.
FULLFILLERS AND RESELLERS ARE NOT AGENTS OF
MUSIC GROUP AND HAVE ABSOLUTELY NO AUTHORITY
TO BIND MUSIC GROUP BY ANY EXPRESS OR IMPLIED
UNDERTAKING OR REPRESENTATION. THIS MANUAL
IS COPYRIGHTED. NO PART OF THIS MANUAL MAY
BE REPRODUCED OR TRANSMITTED IN ANY FORM
OR BY ANY MEANS, ELECTRONIC OR MECHANICAL,
INCLUDING PHOTOCOPYING AND RECORDING OF ANY
KIND, FOR ANY PURPOSE, WITHOUT THE EXPRESS
WRITTEN PERMISSION OF MUSIC GROUP IP LTD.
ALL RIGHTS RESERVED.
© 2012 MUSIC Group IP Ltd.
Trident Chambers, Wickhams Cay, P.O. Box 146,
Road Town, Tortola, British Virgin Islands
LIMITED WARRANTY
§ 1 Warranty
(1) This limited warranty is valid only if you purchased
the product from a MUSIC Group Authorized Reseller in
the country of purchase. A list of authorized resellers can
be found on BUGERA’s website bugera-amps.com under
“Where to Buy”, or you can contact the MUSIC Group office
closest to you.
(2) MUSIC Group* warrants the mechanical and
electronic components of this product to be free of defects
in material and workmanship if used under normal
operating conditions for a period of one (1) year from
the original date of purchase (see the Limited Warranty
terms in § 4 below), unless a longer minimum warranty
period is mandated by applicable local laws. If the product
shows any defects within the specified warranty period
and that defect is not excluded under § 4, MUSIC Group
shall, at its discretion, either replace or repair the product
using suitable new or reconditioned product or parts. In
case MUSIC Group decides to replace the entire product,
this limited warranty shall apply to the replacement
product for the remaining initial warranty period, i.e.,
one (1) year (or otherwise applicable minimum warranty
period) from the date of purchase of the original product.
(3) Upon validation of the warranty claim, the repaired
or replacement product will be returned to the user freight
prepaid by MUSIC Group.
(4) Warranty claims other than those indicated above
are expressly excluded.
PLEASE RETAIN YOUR SALES RECEIPT. IT IS YOUR PROOF
OF PURCHASE COVERING YOUR LIMITED WARRANTY.
THIS LIMITED WARRANTY IS VOID WITHOUT SUCH PROOF
OF PURCHASE.
§ 2 Online registration
Please do remember to register your new BUGERA
equipment right after your purchase at bugera-amps.com
under “Support” and kindly read the terms and conditions
of our limited warranty carefully. Registering your
purchase and equipment with us helps us process
your repair claims quicker and more efficiently.
Thank you for your cooperation!
§ 3 Return materials authorization
(1) To obtain warranty service, please contact the
retailer from whom the equipment was purchased.
Should your MUSIC Group Authorized Reseller not be
located in your vicinity, you may contact the MUSIC Group
Authorized Fulfiller for your country listed under “Support”
at behringer.com. If your country is not listed, please
check if your problem can be dealt with by our “Online
Support” which may also be found under “Support” at
behringer.com. Alternatively, please submit an online
warranty claim at bugera-amps.com BEFORE returning
the product. All inquiries must be accompanied by a
description of the problem and the serial number of the
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BUGERA 412H-BK User Manual
product. After verifying the product’s warranty eligibility
with the original sales receipt, MUSIC Group will then
issue a Return Materials Authorization (“RMA”) number.
(2) Subsequently, the product must be returned in
its original shipping carton, together with the return
authorization number to the address indicated by
MUSIC Group.
(3) Shipments without freight prepaid will not
be accepted.
§ 4 Warranty Exclusions
(1) This limited warranty does not cover consumable
parts including, but not limited to, fuses and batteries.
Where applicable, MUSIC Group warrants the valves or
meters contained in the product to be free from defects in
material and workmanship for a period of ninety (90) days
from date of purchase.
(2) This limited warranty does not cover the product
if it has been electronically or mechanically modified
in any way. If the product needs to be modified or
adapted in order to comply with applicable technical
or safety standards on a national or local level, in any
country which is not the country for which the
product was originally developed and manufactured,
this modification/adaptation shall not be considered a
defect in materials or workmanship. This limited warranty
does not cover any such modification/adaptation,
regardless of whether it was carried out properly or not.
Under the terms of this limited warranty, MUSIC Group
shall not be held responsible for any cost resulting from
such a modification/adaptation.
(3) This limited warranty covers only the product
hardware. It does not cover technical assistance for
hardware or software usage and it does not cover
any software products whether or not contained in
the product. Any such software is provided “AS IS”
unless expressly provided for in any enclosed software
limited warranty.
(4) This limited warranty is invalid if the factoryapplied serial number has been altered or removed from
the product.
(5) Free inspections and maintenance/repair work
are expressly excluded from this limited warranty,
in particular, if caused by improper handling of the
product by the user. This also applies to defects caused by
normal wear and tear, in particular, of faders, crossfaders,
potentiometers, keys/buttons, tubes, guitar strings,
illuminants and similar parts.
(6) Damage/defects caused by the following conditions
are not covered by this limited warranty:
• improper handling, neglect or failure to operate the
unit in compliance with the instructions given in
BUGERA user or service manuals;
• connection or operation of the unit in any way
that does not comply with the technical or safety
regulations applicable in the country where the
product is used;
• damage/defects caused by acts of God/Nature
(accident, fire, flood, etc) or any other condition that
is beyond the control of MUSIC Group.
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(7) Any repair or opening of the unit carried out by
unauthorized personnel (user included) will void the
limited warranty.
(8) If an inspection of the product by MUSIC Group
shows that the defect in question is not covered by the
limited warranty, the inspection costs are payable by
the customer.
(9) Products which do not meet the terms of this
limited warranty will be repaired exclusively at the buyer’s
expense. MUSIC Group or its authorized service center will
inform the buyer of any such circumstance. If the buyer
fails to submit a written repair order within 6 weeks after
notification, MUSIC Group will return the unit C.O.D. with
a separate invoice for freight and packing. Such costs will
also be invoiced separately when the buyer has sent in a
written repair order.
(10) MUSIC Group Authorized Resellers do not sell new
products directly in online auctions. Purchases made
through an online auction are on a “buyer beware” basis.
Online auction confirmations or sales receipts are not
accepted for warranty verification and MUSIC Group will
not repair or replace any product purchased through an
online auction.
§ 5 Warranty transferability
This limited warranty is extended exclusively to the
original buyer (customer of authorized reseller) and is
not transferable to anyone who may subsequently
purchase this product. No other person (reseller, etc.)
shall be entitled to give any warranty promise on behalf
of MUSIC Group.
§ 6 Claim for damage
Subject only to the operation of mandatory applicable
local laws, MUSIC Group shall have no liability to the buyer
under this warranty for any consequential or indirect
loss or damage of any kind. In no event shall the liability
of MUSIC Group under this limited warranty exceed the
invoiced value of the product.
§ 7 Limitation of liability
This limited warranty is the complete and exclusive
warranty between you and MUSIC Group. It supersedes
all other written or oral communications related to this
product. MUSIC Group provides no other warranties for
this product.
§ 8 Other warranty rights and
national law
(1) This limited warranty does not exclude or limit the
buyer’s statutory rights as a consumer in any way.
(2) The limited warranty regulations mentioned herein
are applicable unless they constitute an infringement of
applicable mandatory local laws.
(3) This warranty does not detract from the seller’s
obligations in regard to any lack of conformity of the
product and any hidden defect.
§ 9 Amendment
Warranty service conditions are subject to change without
notice. For the latest warranty terms and conditions
and additional information regarding MUSIC Group’s
limited warranty, please see complete details online at
bugera-amps.com.
* MUSIC Group Macao Commercial Offshore Limited of
Rue de Pequim No. 202-A, Macau Finance Centre 9/J, Macau,
including all MUSIC Group companies
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BUGERA 412H-BK User Manual
IMPORTANT NOTICE
Failure to observe the following points
may result in damage to the amplifier or
loudspeakers. Damage caused in such a
way are not covered by warranty.
• Observe the correct impedance for your loudspeaker
and use the appropriate output socket.
• Always use loudspeaker cables for connection
between the amplifier and the loudspeaker. Never
use other types of cable such as instrument cable and
microphone cable.
Before you get started
Your product was carefully packed at the factory
to ensure safe transport. Nevertheless, if the box
is damaged inspect the unit immediately for signs
of damage.
• If the unit is damaged please do NOT return it to us,
but notify your dealer and the shipping company
immediately, otherwise, claims for damage or
replacement may not be granted.
• Always use the original box to prevent damage
during storage or transport.
• Make sure that children cannot play unsupervised
with the unit or its packaging.
• Please ensure proper disposal of all
packing materials.
• Ensure adequate air supply and to avoid overheating
do not place the unit near radiators etc.
• Please make sure that all devices are properly
grounded. For your own safety, never remove or
disable the ground conductors from the devices
or on the power cords. The unit must always be
connected to the mains outlet with a protective
grounding connection.
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Important notes concerning
installation
• The sound quality may diminish within the range of
powerful broadcasting stations and high-frequency
sources. Increase the distance between the
transmitter and the device and use shielded cables
for all connections.
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BUGERA 412H-BK User Manual
Dear Customer,
Welcome to the team of BUGERA users, and thank you very much for expressing
your confidence in BUGERA products by purchasing the BUGERA 412H-BK.
Even though hooking up and operating the 412H-BK is very easy, we would still
like to provide you with a brief description of this excellent speaker cabinet and
its features.
◊ The BUGERA 412H-BK can produce extreme sound pressure levels.
Please note that high SPLs do not only result in listening fatigue but
can also permanently impair your hearing.
• Please turn off the amp and disconnect it from the mains before
connecting it to the speaker cabinet.
◊ Turn off the amp before changing the BUGERA 412H-BK settings.
Rear panel
• Select stereo or mono operation and set the switch accordingly:
Set the BUGERA 412H-BK to MONO to drive it from a single power
amp. In this case, the speaker cabinet’s impedance is 16 Ohms. Use the
412H-BK’s INPUT connector to connect the speaker cable.
If you have two amplifiers or a stereo power amp, you can operate
the 412H-BK in two-channel mode by setting the BUGERA 412H-BK to
STEREO. Then, the speaker’s impedance is 2 x 8 Ohms. Connect the left
channel of the power amp to LEFT, and the right channel to RIGHT.
• When connecting the 412H-BK to a valve power amp, please use the
corresponding output(s) on your amp or set the impedance selector switch
to the correct impedance after disconnecting the amp from the mains.
◊ Be sure to set amp impedance accordingly.
◊ Disconnect your amp from the mains before changing the
impedance settings.
◊ Never use guitar or similar cables to operate the 412H-BK. Always use
speaker cables with a minimum diameter of 2.5 mm (10 AWG).
◊ Never operate a valve amp without a load connected to it. If the
impedance of the connected speaker cabinet fails to match the
amplifier’s impedance, the amp could be damaged. Please refer to the
operating instructions accompanying your amplifier.
Specifications
Speaker Type
4 x 12" BUGERA Vintage Guitar Series, 12G50J4
Power Rating (mono/stereo)
200 Watts / 100 Watts
Impedance (mono/stereo)
16 Ohms / 8 Ohms
Dimensions (W x H x D)
approx. 770 x 770 x 380 mm / approx. 30 x 30 x 15"
Weight
approx. 79 lbs / 35.8 kg
We are constantly striving to maintain the highest professional standards. As a result of these efforts,
modifications may be made from time to time to existing products without prior notice. Specifications and
appearance may differ from those listed or illustrated.
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Wiring
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