SoundTube MA501T Bedienungsanleitung
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System Type
MA501t 50 W 70 V amplifier
Amplier Power
50 W RMS < 0.5% THD
Output
25V/70.7V/100 V
High Pass Filter - Switchable
120 Hz @ 12 dB/octave
Overall Response
30 Hz - 20 kHz (±3 dB) @ 1 W < 0.2% THD
Output Power
50 Hz - 20 kHz @ < 1% THD 50 W @ 25/70/100 V
Power Band Width Response
50 Hz - 20 kHz (±3 dB)
Inputs
RCA Unbalanced/Single Euroblock Balanced
Maximum Input Sensitivity
500 mV for full output
THD+ Noise
< 0.1% below rated output power
S/N
> 84 dB un-weighted
Input Impedance
20 K unbalanced, 15 K balanced
Protection Features
Amplifier-Overload, Short Circuit, DC and Heat Protection Power
Supply- Thermal protection, over current protection, short circuit
protection
Front Panel Indicators
Power/Standby, Clipping LEDs
Power Supply
Input: 100-240 VAC 50/60 Hz | Output: 32 VDC @ 1.6 A
Current Consumption 120V
0.6 A/AC
Operating Voltage
100-240 VAC with approved power supply
Height
32 mm | 1.25”
Width
100 mm | 3.9”
Depth
200 mm | 7.9”
Weight - Amp Only
0.73 kg | 1.6 lbs
Packaging
One per box
Certications
CCC, CE, RoHS, FCC, UL60065, ETL-c/US
Operating Temp Range
-20°F - 150°F
Description
The MA501t is a low-voltage mono power amplier
engineered for use in distributed sound applications.
Designed for use with SoundTube and other high-
delity speakers, the MA501t provides 50 watts of
output power at 25V, 70V or 100 V. A 12 V trigger
is provided for auto-on/off functions. Recessed gain
control is available via the front panel; this deters
unauthorized tampering with levels or other settings.
Features
• Audio grade toroidal output transformer
• Compact high-output, constant voltage 50 W
amplier
• Rugged extruded aluminum housing
• Taps for 25 V, 70 V, 100 V
• Balanced inputs (Euroblock) and unbalanced
inputs (RCA)
• Euroblock outputs
• Signal sensing auto-on or 12 V trigger
• 30 Hz - 20 kHz (±0.5 dB) frequency response
• Peak output detector and indicator (clipping),
power LED
• Recessed screw adjust input gain
• 120 Hz high pass switch
• Overload, short circuit, DC and Heat Protection
• Versatile mounting options: pole, rack or chassis
• Small size - 1.2” x 3.9” x 8”
MA501t
Compact 70V Power Amplier
MA501t PRODUCT SPECIFICATIONS

Applications
The MA501t is ideal for distribution of mono audio to speakers throughout
a facility. Applications include hospitality, corporate, retail, education,
government, themed entertainment and other commercial applications.
Patented Technologies
SoundTube Entertainment and the MSE Audio Group constantly develop
new technologies which enhance audio product performance. SoundTube
Entertainment innovations are protected by multiple U.S. and international
patents, which explicitly cover SoundTube dome, enclosure and dispersion
technologies. The MSE Audio Group actively defends its patents in order to
protect SoundTube resellers and end-users.
Architectural Specifications
The amplier shall be a compact 50 watt, monaural, constant-voltage
amplier.
The amplier shall provide balanced input via Euroblock and an unbalanced
RCA line level input, with an input selection switch. It shall incorporate an
audio grade toroidal output transformer. Outputs shall be presented on
Euroblock and shall provide connections for ground plus 25 V, 70 V or 100
V applications. Input adjustment shall be made via recessed screw gain
control. The amplier shall provide power and peak output/clipping indication
via LEDs. A selectable high pass lter shall be included.
Performance specications of a typical production unit shall be as follows:
50 watts RMS (30 Hz - 20 kHz) at < 1% THD. The high pass lter shall have
a sub-in crossover frequency of 120 Hz and a slope of 12 dB per octave.
An external power supply shall provide 32 V DC input to the amplier.
The amplier shall also provide a 32 V DC power input via Euroblock. The
amplier shall activate either on signal sensing (auto-on) or via an external
trigger ranging from 12 to 32 V DC. Triggering shall be enabled via a jumper
on the exterior of the chassis.
Construction of the chassis shall be extruded aluminum. Mounting options
shall include pole mount, rack mount or chassis mount. Overall cabinet
dimensions shall not exceed 30.5 mm (1.2”) height by 99.1 mm (3.9”) width
by 203.2 mm (8.0”) depth.
The system shall be the SoundTube MA501t.
SoundTube
®
13720 W. 109th St.
Lenexa, KS 66215
Phone: 913.663.5600
Fax: 913.663.3200
Toll Free: 855.663.5600
www.mseaudio.com
All SoundTube speakers come with a 5-year limited warranty and 3-year
warranty on all electronics.
MA501t
Compact 70V Power Amplier

Mechanical Drawings
=
=
Front
Side
Top
1.25”
(32 mm)
1.25”
(32 mm)
7.9” (200 mm)
MA501t
Compact 70V Power Amplier
3.9” (100 mm)
3.9”
(100 mm)
7.9” (200 mm)
Produktspezifikationen
Marke: | SoundTube |
Kategorie: | Empfänger |
Modell: | MA501T |
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