UNITRA WSH-605 User Manual

Stereo integrated amplifier

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WSH-605
STEREO INTEGRATED AMPLIFIER
User Manual

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Summary of Contents for UNITRA WSH-605

  • Page 1 WSH-605 STEREO INTEGRATED AMPLIFIER User Manual...
  • Page 2: Table Of Contents

    Contents Manufacturer Manufacturer Unitra sp. z o.o. Przejazdowa 2b, About this document 02-496 Warsaw, Poland Symbols used in this manual ......4 website: www.unitra.com...
  • Page 3: About This Document

    About this document Thank you for purchasing this Unitra product. To ensure proper operation, read this manual carefully and operate the device in accordance with the instructions contained in it. Please keep this manual for future reference after reading it.
  • Page 4: Acronyms, Abbreviations, And Technical Terms

    Description Content of the package Make sure that the following elements are included in the package: • Device (WSH-605 Stereo Integrated Amplifier) • Power cord • Other cables (if specified in your order) • Remote control (battery type CR2032 included) •...
  • Page 5: Front Panel Overview

    Front panel overview SOURCE selector switch and indicators The indicator light for the selected input source goes on. DIGITAL 1/DIGITAL 2 Selects the devices connected to COAXIAL 1/ COAXIAL 2 or OPTICAL 1/OPTICAL 2 jacks as the input source. Selects the tuner connected to the AUX jacks as the input source.
  • Page 6 NOTE DIGITAL 1/DIGITAL 2 select a pair of inputs as the source. From this pair, the Device selects one input where the signal appears first. We recommend using one of the inputs (COAXIAL or OPTICAL) from each pair to connect an input source. LINEAR switch Switch up Audio signal bypasses the tone control...
  • Page 7 ON/STANDBY switch Switch up Switch down STANDBY NOTE After the Device is turned on it takes a few seconds before it can reproduce sound. Headphones jack (6 3 mm TRS) To connect headphones to the Device. NOTE When the headphones are connected, the audio signal is not output to SPEAKERS terminals.
  • Page 8: Rear Panel Overview

    Rear panel overview AUX jacks To connect any type of devices as the input source. TUNER jacks To connect tuner devices as the input source. STREAMER jacks To connect streamer players as the input source. CD jacks To connect CD players as the input source. DIGITAL 1 jacks To connect devices with a digital output as the input source.
  • Page 9 PRE OUT jacks To connect an external amplifier or an active subwoofer. The audio signal output at the PRE OUT jacks is preamplified and following parameter settings are effective: BASS, TREBLE, BALANCE, CONTOUR, VOLUME. SPEAKERS terminals To connect the speakers. p. 18. AC inlet To connect the supplied power cord.
  • Page 10: Remote Control Overview

    Remote control overview ON/STANDBY key To switch between ON and STANDBY modes. p. 7. LINEAR key To set the linear function to ON (bass and treble filters are not active) or OFF (bass and treble filters are active). p. 7. SOURCE keys To select the input source.
  • Page 11: Installation Of Batteries In The Remote Control

    Installation of batteries in the remote control Step Insert a pin (e. g. a paper clip) into the hole on the back surface to remove the plate with the battery holder. Step Insert one battery (CR2032) according to the polarity markings (+ and −) on the battery holder.
  • Page 12: Operation Of The Remote Control

    Operation of the remote control Operate the remote control in the range shown in the illustration by pointing it toward the remote control signal receiver on the front panel of the Device. ° ° Recommendations for use NOTICE If you plan not to use the Device for a long period of time, make sure that the Device is disconnected from the AC power source Be aware that when the Device is in standby mode the electric current is still flowing through the unit •...
  • Page 13: Space Requirements

    Space requirements NOTICE Make sure to leave the required space around the unit for air circulation as shown below to improve heat radiation There is a risk of overheating 30 cm 15 cm 15 cm 15 cm...
  • Page 14: Connections

    Connections CAUTION Do the input and output connections before connecting the Device to the AC power source p 23 Connecting a player Player with Player with Player Tuner Streamer CD player digital output digital output Use the SOURCE selector switch to select a player as the input source. p.
  • Page 15: Connecting A Turntable

    Connecting a turntable WARNING Do not remove the GND terminal knob or loosen it excessively The knob can fall off and there is a choking hazard for children Turntable Use the SOURCE selector switch to select the turntable as the input source. p.
  • Page 16: Connecting A Power Amplifier

    Connecting a power amplifier or an active subwoofer Power amplifier, active subwoofer The audio signals output at the PRE OUT jacks pass only through the internal preamplifier block of the Device. p. 31. You can connect an external power amplifier or an active subwoofer to the PRE OUT jacks.
  • Page 17: Connecting Speakers

    Connecting speakers Types of speaker connections WARNING Do not remove the knob or loosen it excessively The knob can fall off and there is a choking hazard for children WARNING To reduce the risk of electric shock Do not touch the speaker terminal when the Device is connected to an AC power source CAUTION Make sure that the terminal and the connector contact area is the...
  • Page 18 Connection with speaker cables NOTICE 10 mm Do not let the bare speaker wires touch each other, nor any metal part of the Device Otherwise, the Device and/or the speakers may be damaged Step Remove approximately 10 mm of the insulation from the end of the speaker cable and twist the exposed wires tightly together to prevent short circuits.
  • Page 19 Connection with banana plug cables Step Tighten the knob in the SPEAKER terminal. Step Insert the banana plug into the head of the knob.
  • Page 20 Connection with Y-shaped lug cables Step Loosen the knob at the SPEAKER terminal. Step Insert the Y-shaped lug between the ring part and the base of the terminal. Step Tighten the knob.
  • Page 21: Connecting A Speaker Set

    Connecting a speaker set Speaker Speaker (L channel) (R channel)
  • Page 22: Connecting The Ac Power Cable

    Connecting the AC power cable CAUTION Install the Device in accordance with the Safety Brochure (section Installation) enclosed to this product After all connections are ready, you can connect the Device to the AC power source. Step Connect the power cord to the AC inlet. Step Connect the power cord to the AC power source with earthing.
  • Page 23: Troubleshooting

    Troubleshooting Most difficulties in audio systems are the result of incorrect connections, or improper control settings. If you encounter problems, isolate the area of the difficulty, check the control settings, determine the cause of the fault and make the necessary changes. If you are unable to get sound from the Device, refer to the suggestions for the following conditions: Problem...
  • Page 24 The sound quality is not The cables are not Make sure that the speaker cables are connected good. properly connected. with the correct polarity and that are pushed into the terminal all the way. The quality is affected by • Try to move any devices emitting strong magnetic magnetic fields or high- fields, such as a TV, away from the Device.
  • Page 25: Warnings

    Warnings When warnings occur all SOURCE indicators are flashing quickly for 5 seconds. Type or warning Description Overcurrent protection • If this warning occurs, the output signal on terminals is disconnected for 5 seconds. • If this warning occurs for the second time over a short period of time, the output signal on terminals is disconnected for 5 seconds and the volume decreases automatically.
  • Page 26: Critical Errors

    Critical errors When a critical error occurs, the Device stops functioning to prevent its damage. The type of error is indicated with a pattern of slowly flashing SOURCE indicators as shown below. To reset a critical error, disconnect the power cord from the AC power source or set the STANDBY mode, wait for at least 3 minutes and switch the Device on.
  • Page 27: Technical Specifications

    Technical specifications 8 Ω 2x 70 W Output power (THD+N ≤ 1%, both channels driven, 4 Ω 2x 110 W according to IEC 60268-3) 8 Ω 2x 70 W Output power – digital input at full scale (THD+N ≤ 0.001%, both channels driven, 4 Ω...
  • Page 28 Channel separation 75 dB (1 kHz, 10 W, AUX, TUNER, CD, STREAMER, DIGITAL1, DIGITAL2 inputs) Dynamic range 108.8 dB (according to AES17) 30 Hz –12 db — +12 db Tone control characteristics 20 kHz –10 db — +13 db Intermodular distortions (CCIF IMD) 19 + 20 kHz, 10 W <...
  • Page 29: Appendices

    Appendices Acoustic characteristics Tone control characteristics Frequency (Hz) Linear OFF, BASS/TREBLE: -5, -3, -1, 0, +1, +3, +5...
  • Page 30: Block Diagram

    Block diagram Audio path – single channel Power Legend COAX and OPTICAL connector RCA connector Output speakers connector Functional block Audio amplifier Debalancer audio Relay Switch Audio signal...
  • Page 31 Copyright: Unitra sp. z o.o. Revision 1 (2024-10-09) For more information go to: https://www.unitra.com/ or scan QR code below.

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