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125-Watt Rack-Mounting Amplifier
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Model #HTA125A |
The Bogen HTA Professional Series Power
Amplifiers are high-performance units employing
state-of-the-art Power MOSFET technology. The
characteristics of Power MOSFETS make them
ideally suited to power amplifier design, providing
far superior performance and reliability compared
to other types of transistors. They afford higher
efficiency, reduced heat, simpler overall design,
reduced size and weight.
The Model HTA125A supplies 125 watts (RMS
continuous output) at less than 0.5% total harmonic
distortion from 20 to 20,000 Hz. An input
signal of only 500mV is required for full rated output.
The input impedances are: high-impedance
(50,000 ohms) unbalanced; low-impedance
(500/600 ohms, balanced or unbalanced) with
optional accessory transformer Model TL600. Line
bridging can be achieved with an optional transformer
Model TL100. Residual hum and noise is at
least 90dB below rated output and the output regulation
is better than 2dB from no load to full load.
The HTA125A can drive a variety of load impedances:
outputs include 4 ohms, 8 ohms, 25 VCT and
70 volts. It is capable of safely driving any recommended
load continuously.The HTA125A is thermally
protected to prevent damage due to excessively
high temperatures; however, the amplifier
will deliver the full rated power output continuously,
even at +131ºF (+55ºC). Additional failure
protection devices include electronic overload limiting,
short circuit protection, and a Slo-Blo fuse.
Electronic shutdown circuitry is automatically activated
if an overload or short circuit occurs and a
front panel overload shutdown LED illuminates.
Once the cause has been rectified, the unit automatically
resets. The power on/off switch, located
on the front panel, illuminates when the power is
on.The rear panel contains an input level control,
input and output connections, the AC line fuse, and
an auxiliary receptacle. A low-cut filter switch is
located internally.
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 US $658.80 |
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Product
Features:
- • Power MOSFET circuitry
• Capable of continuous operation at rated output power
• Frequency response ±1dB, 20 to 20,000 Hz at full rated output
• Distortion less than 0.5% THD, 20 to 20,000 Hz
• Multiple output voltages/impedances available
• Automatic overload protection
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