Table of Contents
Related Manuals for Radial Engineering Headload
Summary of Contents for Radial Engineering Headload
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Page 1: User Guide
True to the Music ® Guitar Amp Load Box and Direct Box User Guide ® 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 ALWAYS USE THE HEADLOAD WITH A SPEAKER CABINET A speaker cabinet must be connected to the Headload at all times. It is pos- sible to use the Headload as a dedicated load box without a speaker connect- ed but this is not a recommended practice as you may damage the Headload or your amp if the LOAD SWITCH is not in the propper setting.
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Page 3: Table Of Contents
Congratulations and thank you for purchasing the Radial Headload, an innovative speaker power attenuator, loadbox and guitar amp direct box. The Headload is a unique tool that lets you drive your amp hard for great tone while keeping speaker volume low. This lets you optimize the tone from your guitar amplifi... -
Page 4: Overview
SPK CAB JDX Section In order to ensure greater consistency from gig to gig, the Headload is equipped with a Radial JDX Reactor direct box. This captures both the signal from the head plus the reactive load from the speaker cabinet for a more natural feel. The JDX has two balanced line outputs. - Page 5 True to the Music Phazer Section For engineers that prefer to combine a direct feed with a microphone, the Headload has also been equipped with a Radial Phazer. This phase adjustment tool lets you time-align the JDX direct outputs with the microphone to deliver incredibly natural tones, or when pushed to extreme, create over the top effects.
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Page 6: Features And Functions
fi elds. 6. SPEAKER CAB VOICING: Six position 12. HANDLE: Makes transporting the rotary switch offers six speaker voicing Headload more convenient. Can be choices. mounted on the top or side. Radial Engineering Ltd. Headload Guitar Amp Load Box... - Page 7 Balanced output for driving long cables. speaker output. Depending on which Equipped with ground lift. Headload you have, one of the jacks 15. FAN: Cooling fan is powered by your will be plugged. amp. The harder you drive your amp, 21.
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Page 8: Unpacking And Optional Rackmount Kit
RACK MOUNT KIT An optional 19” rackmount kit is available (order no. R800 9424 00) for the Headload. The Headload uses two rack spaces (2RU). The rackmount kit is constructed with the same powder-coated 14 gauge steel for durability and attaches using eight screws as shown below. -
Page 9: Getting Started
There is no power switch, as soon as you plug in the power supply the Headload will turn on. The power LED indicator on the front panel will illuminate when the power supply is connected and the Headload is ready to use. -
Page 10: Connectiing The Amp And Speaker
True to the Music CONNECTING THE AMPLIFIER AND SPEAKER You can connect amplifi ers up to 120 Watts RMS (180W peak) to the Headload and drive them at full power. We recommend using speaker cables eight feet or less in length with a minimum gauge of 1.5mm... -
Page 11: Using The Attenuator/Loadbox
The safest way to use the Headload is to always have a speaker cab connected. However, it is possible to use the Headload without a speaker when the LOAD switch is set to OFF. Please observe the... -
Page 12: Connecting The Jdx Balanced Outputs
True to the Music CONNECTING THE JDX OUTPUTS The Headload is equipped with a built-in Radial JDX direct box. The JDX is designed to capture the sound of your amp/speaker and feed a balanced line to a mixing console or recorder without having to necessarily use a microphone. -
Page 13: Using The Jdx
‘pin-3 hot’ equipment that does not follow the AES standard for XLR pin-out, or to correct a polarity reversal upstream in the signal chain. Using The Unbalanced Outputs The Headload is equipped with two ¼” unbalanced outputs with a dedicated level control. The fi rst output is an unbalanced version of the Post-EQ JDX signal that can be patched to any line-level device like a backstage amp or effects. -
Page 14: Using The Phazer
JDX signal. To compensate, the Headload is equipped with a Radial Phazer that essentially delays the JDX output. However, the Phazer is not a digital delay that can create echo. -
Page 15: Specifi Cations
Specifi cations are subject to change without notice. BLOCK DIAGRAM UNBAL. OUT DIRECT JDX BAL. OUT PRE-EQ JDX BAL. OUT LOW / HIGH SPEAKER ATTENUATION PHAZER VOICING POST-EQ JDX UNBAL. OUT POST-EQ HEADPHONE HEADPHONES POST-EQ SPK CAB Radial Engineering Ltd. Headload Guitar Amp Load Box... - Page 16 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 defects 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...