TC Electronic RH450 User Manual
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TC Electronic RH450 User Manual

Tc electronic rh450: user guide
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RH450
USER'S MANUAL

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  • Page 1 RH450 USER’S MANUAL...

  • Page 3: Important Safety Instructions

    1 Read these instructions. 2 Keep these instructions. 3 Heed all warnings. 4 Follow all instructions. 5 Do not use this apparatus near water. 6 Clean only with dry cloth. 7 Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

  • Page 4: Certificate Of Conformity

    This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Certificate of Conformity TC Electronic A/S, Sindalsvej 34, 8240 Risskov, Denmark, hereby declares on own responsibility that the following product: RH450 –...

  • Page 5: Table Of Contents

    Important Safety Instructions & Certificate of Conformity ....a-b Table of Contents ......3 Introduction .

  • Page 6: Introduction

    – an instant solution if you want to recall your favorite sonic combinations or if you take more than one bass guitar with you on the road. And talking of the touring musician, RH450’s Auto-sensing PSU means that you can plug and play safely in whatever country you find yourself in –...

  • Page 7: Quick Setup Guide

    • 19" bracket that allows you to mount the amplifier in a standard 19" rack. • Soft bags for both the RH450 amplifier and the RC4. • Flight cases for the RH450 amplifier and the RC4. • Flight cases for both RS cabinet models.

  • Page 8: Front Panel

    Front Panel 1 – INPUT You can connect an active or passive bass to this ¼" input jack. The RH450 input stage is designed to adapt to any type of pickup. 2+3 – GAIN & OVERLOAD LED The input gain should be set to the highest possible level without overloading the input stage.
  • Page 9 As you know, each instrument has its own sound characteristics. So if you feel that the RH450’s tone controls don’t grab exactly the frequencies your particular instrument requires, you can change the center frequencies of the four EQ bands.
  • Page 10 SHIFT button again to switch back to gain control and set the right amount of low-mid gain. While the RH450 is in Shift mode, the SHIFT button will be blinking to remind you that you are in Shift mode.
  • Page 11 The headphone output also plays back any signal connected to the AUX IN (“Rehearsal”) input jack found on the rear panel of the RH450. This feature allows you to play along with e.g. an MP3 player (e.g. an iPod®), a signal from a computer soundcard or any other audio source playing background tracks –...
  • Page 12 The headphone volume is controlled by the MASTER level knob. When a set of headphones is connected to the PHONES jack, the speaker output on the rear panel of the RH450 is disabled. This is a very convenient feature when you want to use a “silent mode”...
  • Page 13 11 – TUNER RH450 is equipped with a fully chromatic, high accuracy bass tuner. The tuner is always active, whether the RH450 is in Mute mode or not. Here is how you read the display: The played note is shown on the left side of the display.
  • Page 14 OPERATION – FRONT PANEL – The RH450 now powers up in Tuner reference mode, which is illustrated by an “R” in the Display (see illustration below). Tune Reference mode – Dial the BASS tone control to alter the tuner reference. The center position equals 440 Hz, and each LED represents one Hertz.

  • Page 15: Rc4

    In addition to these indications (that are also shown on the RH450 tuner display), a line of nine dots below the display indicates how far from the target pitch the currently played note is.

  • Page 16: Rear Panel

    RH450 to your cabinet(s). You can use a speaker cable with either Speakon or ¼" jacks. Do NOT use instrument cables! The RH450 can be used to drive any cabinet combination of up to three RS 210/212 units, or any other cabinet combination with...
  • Page 17 3 – REMOTE IN Use the REMOTE IN jack to connect the RH450 to the optional footswitch-remote “RC4”. The RC4 gives you access to the three memory locations, the mute function, and has tuner indication as well. The RC4 4 – DIGITAL OUT Use the DIGITAL OUT jack to connect the RH450’s digital output...
  • Page 18 Linking Two Amps The break point may also be used to link two RH450 units together to achieve even more power. –...

  • Page 19: General Protection Mode

    Protection mode. To remedy the problem, try turning off the RH450 for a minute and then turn it on again. If the display still indicates “P”, you will have to send the RH450 to a qualified service-center for inspection.
  • Page 20 APPENDIX – SIGNAL FLOW...

  • Page 21: Technical Specifications

    Spectra Comp 3 band Spectral Compression Preset Level -12 dB to 0 gain attenuation User Memories 3 memory locations storing all front panel controls except Mute & Master Level Tuner Tuning range Chromatic, constant on A0 (27.50Hz) to E5 (659.26Hz) Mute...

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