Townsend Labs Sphere L22 Istruzioni per il montaggio
Precision Microphone System
Hardware and Software Guide
Version: 161003
Townsend Labs Sphere L22 Precision Microphone System Guide
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Table of Contents
Chapter 1: Introduction .......................................................................................... 7
Chapter 2: Installation and Configuration.............................................. 9
System Requirements ........................................................................... 9
Preamp Connection .............................................................................. 10
Plug-in Instantiation .............................................................................. 11
Instantiation in a DAW ....................................................................... 11
Instantiation in the Apollo Console .................................................. 12
Preamp Calibration ............................................................................... 13
Attenuation Switch.............................................................................. 13
Analog Preamp with Continuous Gain Adjustment ....................... 14
Hardware ................................................................................................... 15
Mono/stereo Usage ............................................................................ 15
Shockmount......................................................................................... 15
Storage................................................................................................. 15
Phantom Power .................................................................................. 15
Chapter 3: Townsend Labs Sphere Plug-ins..................................... 16
Microphone Type ................................................................................... 17
Pattern ........................................................................................................ 18
Filter............................................................................................................. 18
Axis .............................................................................................................. 19
Proximity Effect....................................................................................... 19
Proximity .............................................................................................. 19
Prox EQ................................................................................................ 19
Align (Sphere plug-in only) ................................................................ 20
Townsend Labs Sphere L22 Precision Microphone System Guide
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Stereo Width (Sphere 180 plug-in only)....................................... 20
Mix (Sphere plug-in only) ................................................................... 20
Pan (Sphere 180 plug-in only) ......................................................... 20
Off-Axis Correction................................................................................ 21
Off-Axis Correction Enable................................................................ 21
Off-Axis Correction Pattern ............................................................... 21
On- and Off-Axis Distance ................................................................ 22
On- and Off-Axis Distance Auto ....................................................... 22
Output ......................................................................................................... 22
Output Level ........................................................................................ 22
Output Phase ...................................................................................... 22
Reverse...................................................................................................... 22
Import .......................................................................................................... 22
Input/Output Meter ................................................................................ 22
Polar Meter ............................................................................................... 23
Polar Meter Zoom.................................................................................. 24
Link............................................................................................................... 24
Setup ........................................................................................................... 25
Rear Trim ............................................................................................. 25
Swap..................................................................................................... 25
Auto Cal................................................................................................ 25
Keyboard and Mouse Shortcuts...................................................... 25
Mac ....................................................................................................... 25
Windows............................................................................................... 25
Townsend Labs Sphere L22 Precision Microphone System Guide
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Chapter 4: Using the Sphere L22 System ............................................ 26
DAW Signal Chain................................................................................. 26
Preamps..................................................................................................... 27
Preamps with Continuous Gain........................................................ 27
Preamp Modeling................................................................................ 28
Single Channel Usage......................................................................... 29
Monitoring Setups.................................................................................. 29
Monitoring with your DAW Plug-in ................................................... 29
Monitoring with the UAD Plug-in on Apollo .................................... 30
Monitoring the Direct Analog Microphone Output ......................... 31
Microphone Positioning....................................................................... 31
Chapter 5: Off-Axis Correction...................................................................... 33
Technical Details.................................................................................... 33
Proximity Effect....................................................................................... 35
Setting the Controls .............................................................................. 36
Rear Miking .............................................................................................. 37
Additional Applications ........................................................................ 37
Chapter 6: Recording Vocals .......................................................................... 38
Professional Studio ............................................................................... 38
Proximity Effect ................................................................................... 38
Axis ....................................................................................................... 38
The Room ............................................................................................ 39
Home and Project Studios ................................................................. 39
Off-Axis Correction ............................................................................. 39
Acoustic Treatment ............................................................................ 40
Setup for Vocal Recording................................................................. 41
Townsend Labs Sphere L22 Precision Microphone System Guide
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Chapter 7: Recording Acoustic Guitar.................................................... 42
Guitar with Vocals.................................................................................. 43
Two Mics .............................................................................................. 43
One Mic ................................................................................................ 44
Stereo Guitar............................................................................................ 45
One Mic ................................................................................................ 45
Two Mics .............................................................................................. 46
Chapter 8: Stereo Recording........................................................................... 49
Single Microphone................................................................................. 49
Two Microphones .................................................................................. 50
Off-Axis Correction ............................................................................. 50
Proximity Effect ................................................................................... 51
Appendix A: Troubleshooting ........................................................................... 52
Appendix B: Sphere L22 Specifications ................................................... 53
Appendix C: Installed Locations ..................................................................... 54
Windows .................................................................................................... 54
Mac .............................................................................................................. 54
Townsend Labs Sphere L22 Precision Microphone System Guide
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Chapter 1: Introduction
Thank you for choosing the Sphere L22™ Precision Microphone system as part of your musical
creative process. Developing the Sphere L22 has been a labor of love for those of us at Townsend
Labs, and we hope you enjoy using it as much as we did designing and building it.
At its heart, the Sphere L22 is a precision, high-quality, large-diaphragm condenser microphone. When
combined with the included Townsend Labs Sphere DSP modeling plug-in (VST, AAX, AU, UAD),
it offers numerous advanced features that place it well beyond the capabilities of any currently available
mic. Most notably, it accurately models a wide range of the most sought after vintage and modern
microphones.
Previous mic modeling technologies apply EQ to filter sound from what is essentially a conventional
mic. This is fundamentally the same as using EQ to process a recorded track, which is inherently
limited in how the sound can be affected. In contrast, the Sphere L22 mic has two capsules, each with
its own output, which more completely captures the directional and distance information otherwise
lost with a conventional single-channel mic. This additional information lets the Townsend Labs
Sphere DSP plug-in reconstruct how different mics respond to the soundfield.
Feature Summary
The Sphere L22 Precision Microphone System goes beyond pure mic modeling, and many of its
capabilities have never been possible with previous mic modeling technologies:
•Three-dimensional Modeling - Accurately models a wide range of mics, including complex 3D
polar response, transient response, and proximity effect.
•Re-Mic Recorded Tracks - Select mic type, polar pattern, and all other DSP settings even after
tracking.
•Adjustable Proximity Effect - Lets you leave a mic in place while adjusting the bass response due
to proximity effect.
•Simultaneous Mic Models - Lets you mix multiple virtual mic models from the same physical mic
before or after tracking (phase coherent).
•Stereo - Lets you make coincident stereo recordings with one Sphere L22 mic, and even use different
mic models on the left and right channels.
•Off-Axis Correction - Creates more accurate polar patterns that can be used to reduce bleed, room
coloration, and feedback even after tracking.
•Axis Shift - Virtually rotates the axis of the mic to obtain a more off-axis sound even after tracking.
•Low-Latency DSP Processing - The UAD plug-in version on a Universal Audio Apollo
achieves extremely low latency processing (~1.6 ms round trip at 96 kHz) with guaranteed real-
time performance.
•Wide Range of Plug-In Formats - AAX Native, VST2, VST3, and UAD (Mac and Windows);
Audio Units (Mac only).
Townsend Labs Sphere L22 Precision Microphone System Guide Introduction
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•Flat Frequency Response - It is possible to create a virtual mic with an extremely flat response over
the entire audible spectrum (20 Hz - 20 kHz), and even compensate for the proximity effect.
•Polar Meter - The plug-in features a unique, visually informative Polar Pattern Meter that dynam-
ically displays the direction and level of sound arriving at the mic.
•Low Noise - The microphone hardware has a self-noise level of 9 dB-A SPL, which is well below
most vintage microphones and compares favorably with the best modern microphones.
•High SPL Handling - The Sphere mic can handle more than 140 dB SPL before clipping and is
very rugged. It will not be damaged by high SPLs or air blasts like some vintage mics.
•48 V Phantom - Uses standard 48 V phantom power.
Summary of Key Concepts
The following concepts are so important in understanding the new capabilities offered by the Sphere
L22 that we are including them here in the introduction, even though they are repeated elsewhere in
this user guide.
If you do not read anything else in this guide, please read this:
• Sphere L22 is a dual-output mic that requires two 3-pin XLR mic preamp inputs for mic modeling
and other DSP features to function.
• Since the two preamp channels must be set to the same gain, we recommend using digitally controlled
preamps, such as a Universal Audio Apollo or Apogee Quartet.
See http://townsendlabs.com/prelist/ for a list of recommended preamps.
• All mic modeling and other advanced DSP features occur in the Townsend Labs Sphere plug-in
(included).
• The Townsend Labs Sphere plug-in has a stereo input and a mono output; the Townsend Labs
Sphere 180 plug-in has stereo input and output.
Townsend Labs Sphere L22 Precision Microphone System Guide
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Chapter 2: Installation and Configuration
This section shows you how to install and configure your Sphere system:
• Establish whether your system meets the System Requirements.
• Install the Sphere plug-in software on Mac and Windows.
• Remove the Sphere plug-in software.
• Connect the Sphere microphone to your preamp.
• Instantiate the Sphere plug-in on a stereo DAW track.
• Calibrate the left and right preamp channels.
System Requirements
The following plug-in formats are supported:
• UAD
• AAX Native
• VST2
• VST3
• Audio Units (Mac only)
The following operating systems are supported:
Native (AAX, VST, and AU):
• Mac OSX 10.8.5 and above
• Windows 7 and above
Apollo Interfaces and UAD-2 hardware (AAX, VST, AU, and RTAS):
• See http://uaudio.com/downloads for current info.
Your computer must meet the following system requirements:
• Native (AAX, VST, and AU) installation requires 200 MB free disk space.
See http://uaudio.com for UAD disk space requirements.
• 1024 x 768 minimum display resolution
• Internet connection to download software
• Two microphone preamplifiers with phantom power
• Compatible plug-in host application (DAW) software supporting AAX, VST2, VST3, AU, or UAD
Townsend Labs Sphere L22 Precision Microphone System Guide Installation and Configuration
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Preamp Connection
To connect the Sphere to your preamp:
1. Connect the 5-pin side of the included breakout connector to your Sphere mic.
This cable breaks out into two conventional 3-pin XLR cables that you will connect to the preamp.
2. Route the Sphere’s white XLR output (labeled 1-Front) to the MIC 1 connector on the preamp.
3. Route the Sphere’s red XLR output (labeled 2-Rear) to the MIC 2 connector on the preamp.
4. Enable Channel Linking for the pair of channels on your preamp (if applicable).
This automatically keeps both preamp channels set to the same level when either is adjusted.
5. Disable any filters, pads, EQ, or other processing on your preamp.
6. Enable 48 V phantom power (P48) on both channels of the preamp.
Two LEDs light inside the headbasket to indicate that phantom power is applied to both mic channels.
Figure 2-1 Connecting Sphere mic to the preamp
If your mic preamp has digital gain control (e.g., Avid Omni or Universal Audio Apollo), you can easily
calibrate each channel to the same precise level. We recommend enabling stereo linking for the preamp
channels so the gain for both channels can be adjusted simultaneously.
If your preamp does not have digital gain control or precision analog stepped gain adjustment, proceed
to Preamp Calibration on page 13.
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