Contents | TOA Electronics TA 1400 specification

1CONTENTS


1	CONTENTS			1
2	APPROVALS			2
3	WARNINGS			2
	3.1	Explanation of graphical symbols		2
	3.2	WARNING		2
	3.3	CAUTION		2
	3.4	Important Safety Instructions		2
	3.5	User responsibility		3
	3.5.1		Speaker damage	3
	3.5.2		Speaker output hazard	3
	3.5.3		Radio interference	3
4	INTRODUCTION			4
	4.1	Unpacking		4
	4.2	Front Panel		4
	4.3	Rear Panel		5
5	REAR PANEL FEATURES			6
	5.1	Gain switch		6
	5.1.1		The DIP-switch	6
	5.1.2		Sensitivity	6
	5.1.3		Options	6
	5.2	Link switch		7
	5.3	Operation modes		7
	5.3.1		Stereo mode	7
	5.3.2 Note for bench test			7
	5.3.3		Tandem mode	7
	5.3.4		Bridge mono mode	7
	5.3.5 Bridge mono mode features			8
6	INSTALLATION			8
	6.1	Mounting		8
	6.2	Cooling		8
	6.3	Operating voltage		9
	6.4	Denmark:		9
	6.5	Switzerland:		9
	6.6	Grounding		9
	6.7	Power consumption		9
	6.7.1		Calculation	10
7	CONNECTIONS			10
	7.1	Input connections		10
	7.1.1		Balanced inputs	10
	7.1.2		Unbalanced inputs	11
	7.2	Connecting speakers		12
8	OPERATION			12
	8.1	Operation precautions		12
	8.2	Powering up – Soft start		13
	8.3	Input attenuators		13
	8.4	Indicators		13
9	PROTECTION FEATURES			13
	9.1.1		Clip Limiter	13
	9.1.2		Thermal protection	14
	9.1.3		VHF protection	14
	9.1.4		Short circuit protection	14
	9.1.5 AC mains voltage protection			14
	9.1.6		D.C. protection	14
10		MAINTENANCE		14
	10.1	Troubleshooting		14
11		WARRANTY		15

Tannoy Limited	1
TA 1400 User Manual	11-06-02

TA 1400 specifications

The TOA Electronics TA-1400 is a professional-grade amplifier designed for various applications, including public address systems, commercial installations, and professional sound reinforcement. Renowned for its reliability and superior performance, the TA-1400 has become a popular choice among audio engineers and providers of sound solutions.

One of the main features of the TA-1400 is its robust power output, delivering 140 watts into 4 ohms. This high power rating ensures that the amplifier can drive a wide range of speakers, making it suitable for both small venues and larger environments. Its versatility allows users to adjust the output to meet specific needs, whether in a classroom, auditorium, or outdoor event.

The TA-1400 integrates advanced technologies, making it easy to use and efficient. It features a built-in mixer with multiple microphone and line-level inputs. This ensures seamless integration of different audio sources, whether it be microphones for events or music playback from various devices. Additionally, the advanced circuitry employed in the TA-1400 minimizes distortion and enhances audio clarity, allowing for crisp and clear sound reproduction.

Moreover, TOA has incorporated several protective mechanisms in the TA-1400 to ensure longevity and reliability. The amplifier includes overload protection, short-circuit protection, and automatic thermal shutdown. These features safeguard the amplifier against damage from excessive heat or electrical faults, ensuring consistent performance over time.

The design of the TA-1400 emphasizes user-friendliness, with intuitive controls and indicators that provide real-time feedback on the status of the amplifier. Users can easily adjust levels, monitor input signals, and gauge overall performance without any hassle.

Another noteworthy characteristic of the TA-1400 is its lightweight and compact form factor. This makes it easy to transport and install in various settings, providing flexibility for different configurations. Additionally, the unit can be mounted in a standard 19-inch rack, accommodating professional setups.

In summary, the TOA Electronics TA-1400 amplifier stands out for its powerful output, versatile input options, built-in protection features, intuitive interface, and portability. These attributes make it a vital component in achieving high-quality sound in any audio installation, whether for live events, educational environments, or commercial spaces. Its reliability and performance make it a trusted choice for audio professionals looking to elevate their sound solutions.