TDT50 / TDT150
TDT100 / TDT300
Transformer Installation Instructions
These
instructions cover the installation of the
following output transformers for 25/70/100 volt
speaker systems
•
TDT50
50watts Output Transformer for MCA8050 (Single Channel)
•
TDT100 100watts Output Transformer for MCA8050 (Bridge Channels)
•
TDT150 150watts Output Transformer for MCA8150 (Single Channel)
•
TDT300
300watts Output Transformer for MCA8150 (Bridge Channels)
CAUTION – These servicing instructions are for use by
qualified personnel only. To reduce the risk of electronic shock,
do not perform any servicing other than that contained in the
operating instructions unless you are qualified to do so.
NOTE – To avoid fault conditions, High Pass Filters (HPF) must be
assigned on those channels having transformers installed.
KIT CONTENTS:
•
•
•
•
•
•
(1)
(1)
(2)
(1)
(1)
(1)
Transformer
Holding nut
rubber washers
Metal dome washer
stickers
Instructions
RECOMMENDED TOOLS:
•
•
•
Phillips screwdriver
Adjustable wrench
Pliers
TDT50 & TDT150 INSTALLATION INSTRUCTIONS
1. Disconnect AC power from the amplifier.
Nut
Metal Dome Washer
Rubber Washer
Transformer
Rubber Washer
2. Remove the amplifier top panel by removing 17 screws
(6 on each side, 3 on back and 2 on front).
Please note that front screws are longer.
3. If the mounting bolts have two nuts, remove one and
save. These nuts will be used to hold the transformers
in place. If the mounting bolts have only one nut, do
not remove. Transformer will be held in place with
supplied nut.
4. Install transformers as shown in figure 1.
5. Locate the amplifier circuit boards and jumpers.
Each amplifier card represents two individual output
channels; one odd and one even (refer to figure 2 for
reference).
Transformer
Rubber Washer
Bolt
FIGURE 1
Odd channel
jumpers (Ch 1)
Even channel
jumpers (Ch2)
6. Using a pair of pliers, remove the black and red jumper
from the associated amplifier channel.
7. Following the diagram below (figure 3), connect the
wires as indicated.
Amplifier
Cards
Please note that wires on odd channel are
mirrored from wires on even channel.
FIGURE 2
Brown wire = 25V Blue wire
Orange wire = 70V
Yellow wire = 100V
Blue wire
Brown wire = 25V
Orange wire = 70V
Yellow wire = 100V
Odd
Channels
(1, 3, 5, & 7)
Even
Channels
(2, 4, 6, & 8)
Black wire
Green wire
Green wire
Black wire
FIGURE 3
8. Replace amplifier top panel (longer screws go on the
front).
9. Assign channel HPF (High Pass Filter) by flipping the
appropriate channel rear panel dip switch. (figure 4)
10. Apply appropriate rear panel “xfmr” voltage sticker.
(figure 5)
High Pass Filter
(HPF)
dip switches
FIGURE 4
Affix transformer
stickers
FIGURE 5
TDT100 & TDT300 INSTALLATION INSTRUCTIONS
1. Disconnect AC power from the amplifier.
Nut
Metal Dome Washer
Rubber Washer
2. Remove the amplifier top panel by removing 17 screws
(6 on each side, 3 on back and 2 on front).
Please note that front screws are longer.
Transformer
Rubber Washer
3. If the mounting bolts have two nuts, remove one and
save. These nuts will be used to hold the transformers
in place. If the mounting bolts have only one nut, do
not remove. Transformer will be held in place with
supplied nut.
Bolt
4. Install transformers as shown in figure 6.
FIGURE 6
5. Locate the amplifier circuit boards and jumpers.
Each amplifier card represents two individual output
channels; one odd and one even (refer to figure 7 for
reference).
Odd channel
jumpers (Ch 1)
Even channel
jumpers (Ch2)
6. Using a pair of pliers, remove the red jumper from
both amplifier channels.
7. Following the diagram below (figure 8), connect the
wires as indicated.
Amplifier
Cards
FIGURE 7
Brown wire = 25V Blue wire
Orange wire = 70V
Yellow wire = 100V
Green wire Black wire
Odd
Channels
(1, 3, 5, & 7)
Even
Channels
(2, 4, 6, & 8)
FIGURE 8
8. Replace amplifier top panel (longer screws go on the
front).
Bridge
dip switch
9. Assign channel HPF (High Pass Filter) by flipping the
appropriate channel rear panel dip switch. (figure 9)
10. Assign bridge mode by flipping the rear panel bridge dip
switch (figure 9)
11. Apply appropriate rear panel “xfmr” voltage sticker.
(figure 10)
High Pass Filter
(HPF)
dip switches
FIGURE 9
Affix transformer
stickers
FIGURE 10
DoC MCA201003
EC Declaration of Conformity
Biamp Systems Corporation, as manufacturer having sole responsibility, hereby
declares that the following described product complies with the applicable provisions of
the DIRECTIVES below except as noted herein. Any alterations to the product not
agreed upon and directed by Biamp Systems Corporation will invalidate this declaration.
Product Models:
MCA 8050 with optional Output Transformers TDT50 or TDT100
MCA 8150 with optional Output Transformers TDT150 or TDT300
Product Description: Audio Amplifiers and Distribution Transformers
Applicable EC Directives:
Applicable Harmonized Standards:
LVD Directive (2006/95/EC)
Safety
EN 60065:2002
EMC Directive (2004/108/EC)
Emissions
Immunity
EN 55103-1:1996, Environment E2
EN 55103-2:1996
Special Considerations for Product Environment or Compliance:
Shielded cabling must be used for system connections.
Technical Documentation File, Location and Contact:
Biamp Systems, Inc.
9300 S.W. Gemini Drive
Beaverton, OR USA 97008
phone:
fax:
e-mail:
Authorized Representative:
Larry Copley, Compliance Engineer
Authorized Signature:
Issued:
March, 2010 (503) 641.7287
(503) 626.0281
biamp@biamp.com
Biamp Systems | 9300 S.W. Gemini Drive | Beaverton, OR | 97008 | USA | +1.503.641.7287 | www.biamp.com
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