Tag Archives: Petrulis¸ Bob
Computer Fret Spacing Part 2
1981
DS#166 LW p.104
Bob Petrulis
▪ a computer program to calculate any fret scale in any unit of measurement and round the answers to almost any desired resolution.
Diagnosing with an Ohmmeter
1979
DS#101 BRB2 p.31
Bob Petrulis
▪ The author discusses ways to diagnose various electric guitar repairs before the instrument is even disassembled.
Intro to Business, Part 4
1979
DS#106
Bob Petrulis
▪ Investigating some other important business things, including inventories, and depreciation methods
Pickup Phase Relationships
1979
DS#109
Bob Petrulis
▪ Nodes and loops, pickup and polarity, bucking hum, and switchable phasing.
An Intro to Business, Part 3
1978
DS#75
Bob Petrulis
▪ Getting your cash receipts journal started, in which all transactions (including non sales) in which you receive cash are recorded.
An Introduction to Business, Part 1
1977
DS#51
Bob Petrulis
▪ Bookkeeping in a small business, such as the one you’re into or will be if the lutherie bug continues to bite.
An Introduction to Business, Part 2
1977
DS#53
Bob Petrulis
▪ Methods for keeping track of petty cash.
Questionnaire Results
1975
DS#5
Bob Petrulis
▪ Of the 68 responses to the luthier questionnaire, 13 claimed to be amateurs, 24 part time professionals, and 23 professionals.
Basic Guitar Electronics
1975
DS#15
Bob Petrulis
▪ The first of a series of articles on basic instrument electronics, this time covering magnetic pickups, transducer pickups, contact mics, volume and tone controls, and soldering.
Calculating Fret Scales
1974
DS#4 LW p.104 read this article
Bob Petrulis
▪ The author gives you the math to lay out the frets for any scale length and demonstrates how to use a computer spread sheet to do the same operation a lot faster. With a drawing and two charts.
This article has been nominated as one of the Guild’s best articles published before 2010.