The TA600 professional power amplifier is a compact, versatile and exceptionally robust design delivering 700W per channel into 2 Ohms. Using conventional toroid iron transformers, the design achieves compact dimensions of 325mm (13.00”) deep and 2 rack units high by utilizing the latest semiconductor technology, together with a sophisticated copper cooling system.

The sonic performance inherent in all Tannoy professional products, allied to comprehensive features, ensure these amplifiers are ideally suited to all situations from fixed installations to cost-effective live sound systems.

Hum fields from conventional toroidal and C-core types of iron transformers have always been a cause of problems in power amplifier racks. They very often interfere with more sensitive circuits in, for example, equalizers and active crossovers. Pioneering work on the EMC field means these amplifiers incorporate a sandwich construction of different iron materials to minimise the magnetic hum field.

A sophisticated copper cooler system has been developed to decrease the chip temperature and maintain an even temperature between output devices. This design, together with the latest semiconductor technology, has allowed the creation of a very compact and powerful output unit with increased current capacity.To meet the demands for a flexible gain structure in the system a multiple position gain switch is provided, allowing selection from among all industry standard settings provided - 20, 23, 26, 29, 32, 35, 38 and 41dB.

The most effective temperature reduction in an amplifier is achieved by front to back cooling. To avoid simply stuffing the amplifier and rack with dust, a removable dust filter clip has been placed on the front panel for easy cleaning.

With the Neutrik Combo-jack the amplifier allows use of both the professional XLR standard and the semi-pro TRS phono-jacks. For fixed installation, provision of the three pin Phoenix terminal block allows for a high quality, simple and cost effective connection.

To make trouble shooting the cabling and system easier, the LEDs located on the front panel indicate short circuit, high temperature or high frequency overload protection circuit activation, while the clip indicator denotes the presence of severe clipping. The signal present lamp illuminates at -40dB below full output level.

Toroidal transformers require a huge amount of start up current to build a magnetic flux when the amplifier is switched on so, to minimise the risk of blowing the mains supply fuse, a soft start circuit has been incorporated.

Specifications

• TA600
• PERFORMANCE
• Max Output (EIA at 1kHz and 1% THD)
• 8 Ohms per channel    190W
• 4 Ohms per channel    300W
• 2 Ohms per channel    450W
• 8 Ohms bridged    600W
• 4 Ohms bridged    900W
• Distortion (THD 20Hz - 20kHz @ 1ohm to full power)    0.07%
• Hum and Noise (Below rated power)    -105dBA
• Output impedance    30mOhm
• Slew Rate    30V/ms
• INPUTS
• Gain selectable    20, 23, 26, 29, 32, 35, 38, 41
• Impedance    10kOhm
• FRONT PANEL
• Gain controls    31 position
• INDICATORS
• protect    yes
• clip    yes
• signal present    -40dB
• REAR PANEL
• Input connectors    Neutrik Combo+ and 3 pin Phoenix
• Clip limiters    On/Off each channel
• POWER
• Operation voltage    150-260V
• DIMENSIONS
• Size   
• 2U 483mm (19”) x 88mm (3.5”) x 325mm (12.8”)
• Weight    12.5kg (27 3/4lbs)

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