Hafler Trans-nova TRM6, Инструкция по установке и эксплуатации

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Amplifier
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Clamp Bar
Heat generating component
(typically a power MOSFET or
bipolar semiconductor)
Thermal grease
Mica
Thermal grease
Heat sink
Screw
Heat path
PC Board
Heat Monster:
High output MOSFET device
Solder
Copper heat spreader
Dielectric layer
Base Layer - aluminum
Thermal grease
Heat sink
Screw, no pressure on component!
Multiple heat paths
PC Board
MEHSA
( M aximum E fficiency H eat S ink A pplication) MEHSA is a proprietary process that yields up to 5 times better
heat transfer than traditional FET mounting techniques using the exact same components. A multi-layer
insulated metal substrate operating with minimal thermal resistance spreads heat both downward and
outward to quickly dissipate heat from each device across the heatsink. This process combined with our DSM
technology and MOSFET devices allow us to squeeze more watts per cubic inch from every output device as
well as provide consistent thermal stability.
The Way The Old Way
THE RESULT: Better reliability through faster heat dissipation.
Trans• ana
Trans• ana ( TRANS conductance A ctive N odal A mplifier) is a circuit that allows the audio signal to pass
through the amplifier at low voltage. The signal is directly level-shifted to the fixed high voltage rails via a
pair of driver transistors. Signal linearity is assured by an active node formed by the driver transistors at
ultrasonic frequencies. This allows amplifier performance similar to Trans• nova which is highly stable and
linear while utilizing the advantages of a non-floating power supply.
THE RESULT: An extended frequency band width accurately supplied to the output stages of the amplifier.
MOSFET Devices
HAFLER is one of the few manufacturers in the sound community to utilize MOSFET devices in both the
power supply and output stages. MOSFET ( M etal O xide S emiconductor F ield E ffect T ransistor) devices offer
several important inherent advantages over the 30 year old technology of bi-polar design. These advantages
include: thermal stability, fast switching speed, ultra low output impedance and wide bandwidth linearity.
In addition, MOSFETs operate very similarly to vacuum tubes in that they are more linear than bipolar
transistors. However, MOSFETs can deliver the midrange clarity without the limitations of transient response
and high frequency phase shifting normally associated with tube operation.
THE RESULT: Thermal stability, fast switching speed, ultra low output impedance and wide bandwidth
linearity.
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