COOLSwitchPro A/B-Y Switch with Isolation USER'S MANUAL
IMPORTANT SAFETY INSTRUCTIONS - READ FIRST This symbol, wherever it appears, This symbol, wherever it appears, alerts alerts you to the presence of uninsulated you to important operating and dangerous voltages that may be sufficient maintenance instructions in the to constitute a risk of shock. accompanying literature. Please read the manual. Read instructions Retain these safety and operating instructions for future reference. Heed all warnings printed here and on the equipment.
OVERVIEW The ART COOLSwitchPro A/B-Y Switch with Isolation is a handy foot-operated box that lets you switch an instrument signal (guitar, bass, or keyboard) to either of two amplifiers or amp channels, A or B. The "Y" function sends the input signal to both the A and B outputs in parallel. Switch-selectable features on the B channel add versatility to the basic switching functions. A high quality audio transformer can be switched in to provide isolation between the input and output signals.
• • • • Can be used in reverse to select between two instruments connected to one amp Passive operation requires no power and provides true bypass Rugged all aluminum case sits flat and optimum footswitch spacing allows easy operation Perfect for stage or studio use 4
CONNECTIONS All connections are made through 1/4-inch TS (mono) jacks whose function is labeled on the top of the unit. Use shielded cables with 1/4-inch TS (two conductor) plugs to connect to these jacks. INPUT Plug your instrument (guitar, bass, or keyboard) or other signal source into this jack. THRU This jack provides a direct hard-wired connection to the input jack which is not affected by any switch function. Use it to connect to an electronic tuner or to provide an extension to your input cable.
OPERATION PUSHBUTTON SWITCHES (top) Y Pushing this footswitch alternates between connecting the INPUT jack to both the OUTPUT A and the OUTPUT B jacks (the Y function) or to just one of the jacks (which one is selected by the A/B switch). A/B Pushing this footswitch alternately connects the INPUT jack to either the OUTPUT A or the OUTPUT B jack., assuming the Y function is disabled. ROCKER SWITCHES (front) The functions controlled by these switches operate on the OUTPUT B jack.
PHASE This switch allows you to invert the phase of the signal to the OUTPUT B jack. This function is only available when the TRANSFORMER ISOLATE switch is in the ISOLATE position. When the PHASE switch is in the 0 position, the phase is not affected. In the -180 position, the phase is inverted. GROUND LIFT This switch allows you to break the OUTPUT B ground connection from directly connecting to the other ground connections. In the GND position, OUTPUT B's ground is connected.
APPLICATION The COOLSwitchPro is a simple product. You might not think there would be much to say about how to use it, but it turns out there's quite a bit we'd like to say. First, let's talk about safety. The COOLSwitchPro doesn't plug into an AC outlet, but because one of its main applications is to connect to two power amplifiers that do plug into AC, the possibility exists for dangerous voltages to exist, especially if the amps are not properly grounded.
No smoke or sparks? Good. Now turn on the amps and turn up the volume controls slightly. While strumming your guitar or otherwise creating an input signal, verify that you get sound from both amps by toggling the A/B footswitch. Toggle the Y footswitch and verify that the sound comes from both amps or just one. With sound from both amps, now's a good time to listen for hum. If you hear any, try switching the GROUND LIFT switch in the front to the LIFT position.
Other Uses Connect your electronic tuner to the THRU jack for tuning onthe-fly. Or, if you prefer, connect your tuner to the OUTPUT B jack (instead of using this jack for a second amp) to provide silent tuning. The A/B footswitch will act as a mute switch, sending your guitar signal to the tuner instead of to your amp. Push the footswitch again and you're back in business. The COOLSwitchPro can be used to switch between two amp channels as easily as it can switch between two separate amps.
frequencies with some guitar pickups when using the COOLSwitchPro, especially with the phase reversed. There are several things you can do to minimize these effects. Try adjusting your amp's volume and tone controls to compensate. Keep your guitar's level controls all the way up so that the control's impedance doesn't add to the pickup impedance. Try using a preamp, or any active effect pedal, between your guitar and the COOLSwitchPro. Finally, if possible, try using a different pickup.
WARRANTY INFORMATION Limited Warranty (USA only) Applied Research and Technology will provide warranty and service for this unit in accordance with the following warrants: Applied Research and Technology, (ART) warrants to the original purchaser that this product and the components thereof will be free from defects in workmanship and materials for a period of three years from the date of purchase.
and you may have other rights, which vary, from state to state. The warranty terms listed above are only valid within the United States of America. For units purchased outside the United States, an authorized distributor of Applied Research and Technology will provide service. For information on warranty and service policies outside of the U.S., please contact your local distributor.
SERVICE The following information is provided in the unlikely event that your unit requires service. 1. Be sure that the unit is the cause of the problem. Check to make sure that the unit has power supplied, that all cables are connected correctly, and that the cables themselves are in working condition. You may want to consult with your dealer for assistance in troubleshooting or testing your particular configuration. 2. If you believe that the ART unit is at fault, go to www.artproaudio.com.
SPECIFICATIONS Connections 1/4-inch TS mono, unbalanced Transformer Turns Ratio 1:1 Dimensions (HWD) 2.00" x 4.65" x 5.00" 51mm x 118mm x 127mm Weight 1.0 lb (0.
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