1. Introduction
Thank you for purchasing the Pioneer SA-V20II Preamplifier Karaoke Amplifier. This manual provides essential information for the safe and efficient operation of your new audio system. Please read this manual thoroughly before use and retain it for future reference.
2. Important Safety Information
- Power Source: Connect the unit only to an AC outlet of the voltage specified on the rear panel.
- Ventilation: Ensure adequate ventilation. Do not block ventilation openings. Avoid placing the unit on carpets or near curtains.
- Water and Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
- Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Unplug the unit from the wall outlet before cleaning. Use a dry cloth for cleaning.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Product Overview
The Pioneer SA-V20II is a versatile preamplifier and karaoke amplifier designed for home audio and entertainment. It features multiple input options for various audio sources and microphones.
3.1 Front Panel Controls
Image 1: Front view of the Pioneer SA-V20II Preamplifier Karaoke Amplifier, showing various control knobs and input jacks. This image illustrates the layout of the main operational controls.
- Power Button: Turns the unit on or off.
- Input Selector: Switches between different external audio input sources (e.g., CD, AUX, Tuner).
- Master Volume: Adjusts the overall output volume.
- Microphone Volume Controls: Individual volume adjustments for each microphone input.
- Echo/Reverb Controls: Adjusts the echo and reverb effects for microphone inputs, enhancing karaoke performance.
- Tone Controls (Bass/Treble): Adjusts the bass and treble frequencies for overall sound.
- Microphone Input Jacks: Three 1/4-inch jacks for connecting microphones.
3.2 Rear Panel Connections
The rear panel provides connections for speakers, external audio sources, and power. Refer to the labels on the unit for specific connection points.
- Speaker Terminals: Connect your passive speakers here. Ensure correct polarity (+ to + and - to -).
- External Audio Input Terminals (4 Systems): RCA jacks for connecting devices like CD players, DVD players, or other audio sources.
- Audio Output Terminals: RCA jacks for connecting to other audio equipment if needed.
- Power Cord Inlet: Connect the detachable power cord here.
4. Setup
4.1 Connecting Speakers
- Ensure the amplifier is turned off and unplugged from the power outlet.
- Connect your passive speakers to the speaker terminals on the rear panel. Match the positive (+) terminal on the amplifier to the positive (+) terminal on the speaker, and the negative (-) terminal on the amplifier to the negative (-) terminal on the speaker.
- Ensure all connections are secure to prevent short circuits.
4.2 Connecting Audio Sources
- Connect your audio source devices (e.g., CD player, DVD player, media streamer) to the "External Audio Input Terminals" on the rear panel using RCA cables.
- Assign each source to a specific input (e.g., CD, AUX) for easy selection later.
4.3 Connecting Microphones
- Plug your microphones into the "Microphone Input Jacks" on the front panel.
- The amplifier supports up to three microphones simultaneously.
4.4 Power Connection
- Once all audio and speaker connections are made, connect the power cord to the amplifier's power inlet and then to a suitable AC wall outlet.
5. Operating Instructions
5.1 Basic Audio Playback
- Turn on the amplifier using the Power Button.
- Select the desired audio source using the Input Selector.
- Start playback on your audio source device.
- Adjust the Master Volume to a comfortable listening level.
- Use the Tone Controls (Bass/Treble) to fine-tune the sound to your preference.
5.2 Karaoke Function
- Ensure microphones are connected and the audio source (e.g., karaoke player) is selected.
- Turn on your microphones.
- Adjust the individual Microphone Volume Controls for each microphone.
- Use the Echo/Reverb Controls to add desired vocal effects. Start with minimal effect and adjust gradually.
- Adjust the Master Volume for the overall sound balance between music and vocals.
6. Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Ventilation: Periodically check that the ventilation openings are not obstructed by dust or debris.
- Storage: If storing the unit for an extended period, unplug it from the power outlet and store it in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet not active; Power button off. | Check power cord connection; Test outlet with another device; Press the Power button. |
| No sound from speakers | Speaker cables loose or incorrectly connected; Input source not selected; Volume too low. | Check speaker connections and polarity; Select correct input; Increase Master Volume. |
| No sound from microphone | Microphone not connected; Microphone volume too low; Microphone faulty. | Ensure microphone is plugged in; Increase Microphone Volume; Test with another microphone. |
| Distorted sound | Volume too high; Speaker impedance mismatch; Faulty audio source. | Reduce volume; Ensure speakers match amplifier impedance; Test with a different audio source. |
8. Specifications
- Model: SA-V20II
- Brand: Pioneer
- Practical Maximum Output: 60W + 60W
- External Input Terminals: 4 Systems
- Microphone Input Terminals: 3 Systems
- Input Switching Method: Yes
- ASIN: B01GRSFWP6
- First Available on Amazon.co.jp: 2016/6/8
- Discontinued by Manufacturer: No
9. Warranty and Support
For warranty information and customer support, please refer to the official Pioneer website or contact your local Pioneer dealer. Keep your purchase receipt as proof of purchase for warranty claims.
Pioneer Official Website: www.pioneer-audiovisual.com