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Related Manuals for Radial Engineering Firefly
Summary of Contents for Radial Engineering Firefly
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Page 1: User Guide
® F i r e f l y ™ Tube Direct Box User Guide True to the Music ® www.radialeng.com Radial Engineering Ltd. 1588 Kebet Way, Port Coquitlam British Columbia, Canada, V3C 5M5 tel: 604-942-1001 • fax: 604-942-1010 email: info@radialeng.com... -
Page 2: Table Of Contents
Now get ready to plug into one of the most enjoyable pieces of audio equipment ever! Radial Engineering Ltd. Firefl y™ Tube Direct Box... -
Page 3: Feature Set
+/-16 volts (1600mA) that is internally stepped up to 48V for the tube. 9. OUTPUT: Balanced XLR output connects to the PA or recording system. Transformer isolated to eliminate hum & buzz caused by ground loops. Radial Engineering Ltd. Firefl y™ Tube Direct Box... - Page 4 The input level is set using the TRIM-A & B controls. 18. AUX THRU (side panel): Recessed switch engages transformer isolation for ¼” AUX OUT to eliminate hum and buzz caused by ground loops. Radial Engineering Ltd. Firefl y™ Tube Direct Box...
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Page 5: Overview
You can also add options such as a remote control for input switching and quiet tuning on stage. And of course you can rack mount the Firefl y in a single space using the optional 19” rack adaptors. TYPICAL SETUP Radial Engineering Ltd. Firefl y™ Tube Direct Box... -
Page 6: Making Connections
Slowly increase the input TRIM-A until you reach a comfortable listening volume. If you like, plug in your second instrument and adjust the TRIM-B to match. Simply depress the AB selector switch to toggle between instruments. Radial Engineering Ltd. Firefl y™ Tube Direct Box... - Page 7 INPUTS TUBE INSERT HIGH AUX OUT CLASS-A & DRAG SEND & PASS ¼” OUTPUT AMPLIFICATION BUFFER CONTROL STAGE RETURN FILTER (POST) Simplifi ed Block Diagram of POST signal path Radial Engineering Ltd. Firefl y™ Tube Direct Box...
- Page 8 TRS cable or a locking Female XLR ~to~ ¼” TRS cable. Both connections are offered on the rear panel but only one should be used at a time. ¼” TRS to TRS XLR to TRS Radial Engineering Ltd. Firefl y™ Tube Direct Box...
- Page 9 Simply connect the send to the input of the fi rst pedal in the chain and the output to the receive plug. With this setup, when you change instruments the signal will automatically be routed to the pedals. Radial Engineering Ltd. Firefl y™ Tube Direct Box...
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Page 10: Setting Up The Firefl Y For Various Instruments
® True to the Music SETTING UP THE FIREFLY FOR VARIOUS INSTRUMENTS The Firefl y is designed to adapt to just about any instrument whether it employs a magnetic pickup, piezo or combination with an active buffer. Magnetic pickups and Drag control One of the more subtle yet indispensable functions is Drag Control™. -
Page 11: Setting The Output Controls
Firefl y with a microphone. Depending on where the microphone is positioned in the room, you may fi nd that reversing the polarity can help fatten the tone. Radial Engineering Ltd. Firefl y™ Tube Direct Box... -
Page 12: Remote Switching And Mute With Jr•2
JR•2 Connected with a ¼” TRS cable JR•2 Connected with locking XLR ~ TRS cable RING RING SLEEVE SLEEVE SHIELD SHIELD RING SLEEVE SHIELD SHIELD Wiring diagram for JR•2 connection cable. Radial Engineering Ltd. Firefl y™ Tube Direct Box... -
Page 13: Rackmounting Kit
® True to the Music RACK MOUNTING THE FIREFLY For touring the Firefl y may be mounted into a standard 19” rack using the optional rack mount kit. This three piece kit (part number: R800 2020 02) enables one or two Firefl ies to be rack mounted in a 1RU rack space. -
Page 14: Block Diagram
® True to the Music BLOCK DIAGRAM Radial Engineering Ltd. Firefl y™ Tube Direct Box... - Page 15 THREE YEAR TRANSFERABLE LIMITED WARRANTY RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workmanship and will remedy any such de- fects free of charge according to the terms of this warranty. Radial will repair or replace (at its option) any defective component(s) of this product (excluding fi...