Aetechron LVC 5050 User manual
Quick Start Guide
Table of Contents
Pre-Installation .................................................. 2
Safety Conventions ........................................... 3
General Descriptions ......................................... 4
Specifications .................................................... 5
Front Panel Functions........................................ 8
Back Panel Functions ........................................ 9
Details of Plug-In Mode.................................. 11
The CCIP Input Card....................................... 12
Installation....................................................... 14
Unpacking ....................................................... 14
Mounting ......................................................... 15
Cooling............................................................ 16
Making Connections ....................................... 17
Dual Channel Hook-up.................................... 18
Bridge Mono Hook-up .................................... 20
Parallel-Mono Hookup.................................... 21
Connecting Power ........................................... 22
Page 1
Pre-Installation
This section describes safety conventions used within this document
and provides essential information about the Model LVC 5050
amplifier. Review this material before installing or operating the
amplifier.
AE TECHRON is committed to continuous product improvement.
Technical progress may result in minor variations between this manual
and a particular unit. Any significant changes or customizations will
be reflected in revisions of this manual. Customers are encouraged to
promptly add any additional information, about their particular unit, to
this manual.
Page 2
Safety Conventions
The LVC 5050 amplifier is a highly sophisticated instrument. Special
hazard alert instructions appear throughout this guide. Note the
following examples:
NOTE: A Note represents information,
which needs special emphasis but does not
represent a hazard.
Page 3
General Description
The AE TECHRON Model LVC 5050 is a dual channel power supply
amplifier designed for use in high power systems. It can deliver up to
2,500 watts per channel into 2-ohm loads or 5,000 watts bridged into a
single 4-ohm load. It accomplishes this with extremely low harmonic
and intermodulation distortion and low noise.
All this power is concentrated into a 5-inch rack mount package. From
the front panel, you can control and monitor the input signals.
A push button power switch activates an AMBER “ON”
indicator.
Dual brightness indicator—dim indicates signal presence, bright
indicates amplifier is in OVERLOAD.
Dual color (RED and GREEN) LED indicators show current limit
and load current.
On the back panel:
Input is connected using bare wires.
Loads connect to a unique output block, which combines heavy
duty binding bolts and dual banana connectors.
A detachable cover on the output block protects against accidental
short circuits and dangerous electrical shock.
Other features include the ability to:.
Switch from Dual mode to Bridge Mono or Parallel Mono mode
with a 3-position slide switch.
Select three different gain values for either channel with two more
3-position slide switches.
Page 4
Specifications
Specifications are for units in Dual Mode driving both channels into 8-
ohm loads, (26 dB = 20 times voltage gain) and operating from 120
VAC, unless otherwise specified.
“Standard 1 kHz Power" refers to maximum average power in watts at
1 kHz with 0.1% THD.
“Full Bandwidth Power" refers to maximum average power in watts
from 20 Hz to 20 kHz with 0.1% THD.
Performance
Frequency Response: ± 0.1 dB from 20 Hz to 20 kHz at 1
watt.
Phase Response: ±10 from 10 Hz to 20 kHz at 1 watt.
Signal to Noise Ratio: At 26-dB gain, better than 105 dB (A-
weighted) below full output.
Total Harmonic Distortion (THD): <0.05% from 20 Hz to 1
kHz, increasing linearly to 0.1% at 20 kHz at full output.
I. M. Distortion: <0.05% from 410 milliwatts to full output
at 26-dB gain, with an 8-ohm load.
Slew Rate: >30 V per microsecond.
Load Impedance: Rated for 16, 8, 4, 2-ohm use. Safe with
all types of loads, even reactive ones.
Required AC Mains: 60 Hz, 120VAC with 30A service.
Convertible to 100/ 200/208/230/240VAC at 50/60 Hz.
Maximum Load: 250 Volts RMS, no load conditions.
Page 5
Controls
Front Panel: A push “On/Off” power switch; also, a signal
level control for each channel. The level controls are wired to
the PIP card and may be enabled or disabled.
Back Panel: A 3-position switch selects Dual, Bridge-Mono,
or Parallel- Mono mode. A 3-position switch selects 20, 70, or
140 voltage gain for each channel.
Internal: Switches behind the front grill allow selection of
normal VZ operation, lock to low voltage only, lock to high
voltage only, and lock to low voltage under ODEP conditions.
Indicators
Amber Enable Indicator shows on/off status of low-voltage
power supply.
A Green OVERLOAD indicator for each channel flashes
dim green to show a signal is present at the input, and flashes
brightly in the rare event distortion of any kind exceeds
0.05%, including input overload.
A bi-color (Green/Red) ILOAD/ILIMIT indicator for each
channel flashes green with the output signal (when under a
current load) and flashes red in the event of current limiting.
Input/Output
Input Impedance: Greater than 10 K ohms, balanced, and 5
K ohms, unbalanced.
Output Impedance: Less than 10 milliohms is series with
less than 2 microhenries.
Page 6
Connectors
Inputs: Euro-style screw terminals will accept up to 16 gauge
bare wire.
Outputs: Unique output bus with dual banana jacks on 3/4
inch centers, and high current ring or spade lug barrier
connectors.
AC Line: “TT" style, 3 wire, 30A grounded connector (for
120 VAC units).
Construction
Black splatter-coat steel chassis with specially designed flow-
through front to rear ventilation system with computer-
controlled forced air-cooling.
Dimensions: 19 inch (48.3 cm) wide, 5.25 inch (13.3 cm)
high, 16 inch (40.3 cm) deep behind front mounting surface,
and 2.875 inches (7.3 cm) in front of the mounting surface.
NOTE: Allow 4 inches in back for adequate airflow.
Weight: 77 lbs. (35.2 kg) net, 88 lbs. (40.2 kg) shipping
weight.
Mounting: Standard BIA 310 front-panel rack mount with
supports for supplemental rear corner mounting.
Page 7
Front Panel Functions
The following illustration, with captioned call-outs, provides a visual
location of the LVC 5050 front panel functions.
A. Dust Filters
The dust filters remove large particles from the air drawn in by the
cooling fans. Check the filters regularly to prevent clogging. The filter
elements can be easily removed for cleaning by gently pulling them
away from the front panel.
B. Level Control
The output level for each channel is set with these controls. Each
control has 31 detents for precise adjustment.
C. ILoad/ILimit Indicators
The flow of current to the load and the maximum current limit of the
amplifier are monitored by these two-color indicators. The I Load/I Limit
indicators glow green to show that load current is flowing and turn off
when there is no significant load current. The I Load/I Limit indicators
turn red if the amplifier has reached its maximum output current
capacity.
D. Overload Indicators
When a large input signal causes an input overload or output clipping,
these green indicators flash brightly with a 0.1 second hold, otherwise,
they indicate the presence of a distortion-free signal.
Page 8
A
B
B
C
C
E F
D
D
E. Power Indicator
This amber indicator lights when the amplifier is connected to AC
power and turned “ON”.
F. Power Switch
This push button is used to turn the amplifier “ON” and “OFF”. When
turned on, the output is muted for about four seconds to protect your
system from start-up transients.
G
H
I
J
J
K
Back Panel
The following illustration, with captioned call-outs, provides a visual
location of the LVC 5050 back panel functions.
G. Power Cord
Units set up for 100 to 120 VAC have a 10 AWG, 30 amp line cord,
while units set up for 200 to 240 VAC have a 12 AWG, 20 amp line
cord. North American units set up for 120 VAC, 60 Hz power are
shipped with a grounded 125 volt, 30 amp NEMA TT30P plug; units
shipped outside North America are provided without a plug.
Page 9
H. Output Connectors
This high-current output block is provided for output connection. Its
connectors accept banana plugs, spade lugs or bare wire. There is a
detachable output cover (not shown) used to protect against accidental
short circuits and dangerous electrical shock.
I. Parallel Mono/ Stereo/ Bridge Mono
This switch is used to select one of three- output modes; Parallel
Mono, Stereo or Bridge Mono.
J. Gain Switches
These three-position switches are used to select a voltage gain of 20,70
or 140 times for each channel.
K. Input Plug-in Module
The versatility of plug-in modules make it easy to customize the input,
and other functions of the amplifier, to your needs.
The amplifier should be “Off”
for at least 10 seconds before
changing this switch
Page 10
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