Press Release Roger Schult - W2324 phase shifter module
Roger Schult - Mastering Filter W2324 phase shifter, phase correction system
The New AT5047 Premier Studio Microphone Purity Transformed
Home Recording Studio Build It Like The Pros
(Second Edition) by Rod Gervais . This book teaches you how to do all these things, from building a professional home studio to saving thousands of dollars in the process.