Tannoy TA 1400 User Manual
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Tannoy TA 1400 User Manual

Tannoy TA 1400 User Manual

Toa electronics stereo amplifier user manual
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TA 1400
USER MANUAL

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Summary of Contents for Tannoy TA 1400

  • Page 1 TA 1400 USER MANUAL...

  • Page 2: Table Of Contents

    Indicators ...13 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 MAINTENANCE ...14 10.1 Troubleshooting ...14 WARRANTY ...15 Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 3: Approvals

    9. Connect only to AC power outlets rated 230-240V (or 100-120V), 50-60Hz Tannoy Limited TA 1400 User Manual 11-06-02 EMC Emission EN55103-1, E3 EMC Immunity EN55103-2, E3, with S/N below 1% at normal operation level.

  • Page 4: User Responsibility

    This product uses radio frequency energy and if not used or installed in accordance with these operating instructions, may cause interference to other equipment, such as radio receivers. However, there is no guarantee that interference will not occur in a particular installation. Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 5: Introduction

    If this occurs the input signal is muted, and the process cycles until the VHF signal is no longer present or the short is removed. (See page 14). Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 6: Rear Panel

    20, 23, 26, 29, 32, 36, 39 or 41 dB. (See page 6). 7. Link and Polarity reverse switch. Two of the switches in the DIP-switch are used for Link and Bridge operation. (See page 6). Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 7: Rear Panel Features

    This corresponds to all switches set to “off”, i.e. 32dB gain and stereo mode. Tannoy Limited TA 1400 User Manual 11-06-02 There are separate sections for the two channels, so different gain can be selected for channel A or B. The selection of maximum gain in the amplifier is always a trade between noise and headroom.

  • Page 8: Link Switch

    Both level attenuators must be at the same position. We recommend that you put them in the 0dB (full) position. Connect the speaker as shown. Always use Channel A’s output connector. Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 9: Bridge Mono Mode Features

    For installations with a central cooling system, usually found in fixed installations with a dedicated rack room, it may be necessary to calculate the maximum heat emission. Refer to Power consumption on page 9. Tannoy Limited TA 1400 User Manual 11-06-02...

  • Page 10: Operating Voltage

    Danish safety regulation only permits 8A main fuse. As the TA 1400 use an internal primary mains fuse of 15A, TA 1400 must be equipped with an industrial mains connector rated for 16A, or as an alternative be fixed installed to a 16A circuit.

  • Page 11: Calculation

    PIN 1 GROUND/SHIELD PIN 2 HOT (+) PIN 3 COLD (-) Figure 4. XLR input connector Tannoy Limited TA 1400 User Manual 11-06-02 MAINS INPUT POWER Power 1/3 Power note 1 1150 1050 1925 Figure 5. XLR balanced...

  • Page 12: Unbalanced Inputs

    (stereo) operation, use both channels A and B. For tandem stereo or bridged mono operation, use only one of the inputs. See Tannoy Limited TA 1400 User Manual 11-06-02 Figure 6. ¼” TRS plug The input impedance is high enough (20 kohms balanced) to allow ”daisy-chaining”, or multiple parallel input connections.

  • Page 13: Connecting Speakers

    Tannoy Limited TA 1400 User Manual 11-06-02 nnel A and B outputs, so it’s useful for bridging and bi-amp ). The left Speakon, Channel B, carries only the...

  • Page 14: Powering Up - Soft Start

    (As a side-effect, once the amplifier comes out of a protect condition, the output level has a slow rise time -the effect is like turning the gain up slowly). Tannoy Limited TA 1400 User Manual 11-06-02 The yellow LEDs at the top indicate if any protection circuits are activated.

  • Page 15: Thermal Protection

    Check that the AC line voltage is within the amplifier’s operating range, 130-265V@ 230V, (65- 135V @ 115V). Over-voltage protection may have occurred. If the amplifier is connected by Tannoy Limited TA 1400 User Manual 11-06-02 ® heatsink reaches a temperature above 90...

  • Page 16: Warranty

    3. Mark the Return Authorisation number on the outside of the packing. 4. Ship the product prepaid to: Tannoy Limited Rosehall Industrial Estate Coatbridge ML5 4TF Tel: +44 01236 420 199 Fax: +44 01236 428 230 www.tannoy.com Tannoy Limited TA 1400 User Manual 11-06-02...

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