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Summary of Contents for Radial Engineering space heater
- Page 1 True to the Music Radial Engineering Ltd. 1588 Kebet Way, Port Coquitlam BC V3C 5M5 tel: 604-942-1001 • fax: 604-942-1010 www.radialeng.com email: info@radialeng.com • web: www.radialeng.com Specifi cations and appearance are subject to change without notice. Copyright © 2015 Radial Engineering Ltd.
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Page 3: Table Of Contents
Heater is a studio-grade tube distortion unit and detailed analog mixer with personality. This manual covers the setup and operation of the Space Heater in both the studio and live sound. Please take a few minutes to read through this manual in order to familiarize yourself with the Space Heater’s features and applications. Inside you will fi... -
Page 4: Front Panel Feature Set Overview
True to the Music Space Heater™ User Guide Radial Engineering Ltd. -
Page 5: Rear Panel Feature Set Overview
True to the Music Radial Engineering Ltd. Space Heater™ User Guide... -
Page 6: Introduction To The Space Heater
Because the Space Heater can be used in a number of ways, it is important to understand its architecture and signal fl ow. It is equipped with four 12AX7 tube drive circuits wired in stereo. While you do have separate DRIVE and LEVEL controls on each channel, certain functions are shared across both sides of the tube. -
Page 7: Understanding The Signal Flow
DRIVE LOOP JACKS MASTER SECTION: EXPLAINING THE SIGNAL FLOW: The routing of the Space Heater is quite complex, so it is important LINK OUTPUT to study this block diagram to understand how audio is passed. First, BUSS ODD signal enters the Space Heater at the channel input (1). Next, the... -
Page 8: Features And Controls
High Pass Filter Response HIGH-PASS FILTER Each channel pair on the Space Heater is equipped with a high-pass fi lter. This fi lter starts at 40Hz and has a very gentle 6dB/octave roll-off. It is intended to subtly reduce low frequency rumble and resonance. -
Page 9: Connectivity
Keep in mind that OUTPUTS the insert jacks are still the last step in the Space Heater’s signal path, so any equipment inserted will be processing the wet sound. CHANNEL OUTPUTS - DB25 Individual channel outputs are routed to a DB25 connector. -
Page 10: Master Section
All channels may be assigned to the stereo bus in a left- right confi guration and mixed down to a stereo pair at the main output. This allows the Space Heater to be used as a mixer for analog summing ‘out of the box’ when working in the digital domain. -
Page 11: Using As A Summing Mixer
STEM MIXES IN YOUR DAW digital mixers, folks often complain that something is lost. There are A common method for using the Space Heater as an analog lots of theories as to why or even if this actually occurs, but most agree... -
Page 12: Space Heater Applications
True to the Music USING THE SPACE HEATER AS AN INSERT ON INDIVIDUAL TRACKS One of our favorite ways to use the Space Heater is as an effect on individual channels. Whether applying heavy distortion on a single instrument to completely change its character, or simply adding subtle warmth to a sterile recording, the Space Heater will add all kinds of analog mojo to the music. - Page 13 A slight amount of distortion on a stem mix of the entire kit can really make a drum mix pop! TIP: Try assigning the output of the Space Heater to a different channel on your recorder. This will allow you to bring up the distorted track separately from the original clean track.
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Page 14: Changing The Tubes
Space Heater is intended to provide many years of problem free service, the tubes are designed to be user replaceable when required. ONLY use 12AX7 tubes in the Space Heater. Other tubes such as the 12AT7 and 12AU7 are not suitable, as they operate at different voltages. -
Page 15: Specifi Cations And Connectors
Noise fl oor - Maximum Gain: -64dBu@140V, -66dBu@70V, Warranty: Radial 3-year, transferable -70dBu@35V Noise fl oor - Controls at 50%: -70dBu@140Hz, -72dBu@70V, -76dBu@35V Intermodulation distortion: Variable Unity Gain Control Setting: Drive and Gain at “11 o’clock” Radial Engineering Ltd. Space Heater™ User Guide... - Page 16 THREE YEAR TRANSFERABLE LIMITED WARRANTY RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and work- manship 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...