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New High and Low Frequency Dual Surface Acoustic Wave Mechanical Amplifier Pair

Friday, March 22, 2019

I recently invented a pair of high and low frequency mechanical amplifiers and sound quality enhancers for all banjos which will eventually be offered for sale on BHO.  It is, by far, the best device that I have invented to improve the sound of banjos, and work is continuing on a version that works on acoustic guitars.  The two amplifiers are taped, side by side, to the inside surface of a banjo's rim and are easily moved about for maximum performance.

Excellent five string player and "Banjo Newsletter" regular contributor ("Earls Way"), Bob Piekiel, will be using it in his banjo in a banjo jam the Greater Nashville area on March 25, 2019, and I will be performing with it in a gig in the Atlanta area in my Gibson tenor on March 29, 2019.  We expect that it will "knock the socks off" both audiences!

If that happens look for my BHO ad soon offering them for sale.  You can also easily make your own because dimensioned drawings and an explanation of how they work are already posted on my website,

Frank Geiger (Yellowdog)

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Playing Since: 1950
Experience Level: Expert/Professional


Occupation: Retired Army, Invent & Sell Sound Enhancing Devices

Gender: Male
Age: 84

My Instruments:
Gibson Mastertone tenor (tuned CGDA), Violin. Tenor Guitar (GDAE).

Favorite Bands/Musicians:
John Cali, Eddy Davis, Tim Allan and Howard Alden, John Becker

Classified Rating: not rated
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Profile Info:
Visible to: Public
Created 7/20/2007
Last Visit 7/18/2021

THEN: Born and grew up in Brunswick, Georgia on the coast. After high school I went one year to Georgia Tech in Atlanta and then to West Point where I graduated in 1960. After a 20 year Army Career in Infantry and Ordnance Corps I retired from the Army and sold computer and engineering software and services for a number of companies and did some part-time college-level math teaching and tutoring. Along the way and later I performed professionally as a tenor banjo soloist/vocalist for over 26 years in the Atlanta, Georgia area - mostly putting on one-hour solo shows for seniors by playing and singing old popular "hits" often called "America's Songbook". I also include a few early jazz, blues, country, and unusual tin pan alley tunes and included short, interesting anecdotes between tunes about the old performers, composers and times. For seven years until 2015 I also played Irish style tenor banjo on a GDAE tenor before losing interest and going back to playing old American hits using chord melody on my CGDA tuned Gibson tenor, tenor guitar and violin. NOW: Arthritis and a broken left hip in 2015 (which resulted in a loss of feeling in my left hand fingertips) effectively stopped my banjo playing, but the feeling is returning to my fingertips and I now enjoy playing for my own entertainment and making and selling sound improvement attachments to banjos, guitars and violins from my website. I enjoy reading non-fiction, especially related to new discoveries in science, new inventions and methods which were used to advance knowledge. Several years ago I wrote a 30-page book (PDF file) titled "Build Any Chord, Anywhere" for tenor banjos and other fifths-tuned instruments which uses a unique color graphics approach to understand and build chords. The first part of the book explains the basics of chord theory so is applicable to any chord instrument but the focus is toward instruments tuned CGDA or GDAE. Prior knowledge of music isn't necessary to use the methods in the book. You can download the book free at the downloads page of my website. This year (2021) I've invented two new, inexpensive mechanical sound improvement attachments for bowed instruments (such as violins and violas) and picked instruments such as guitars, banjos, and mandolins., I will posr details on my website when they are ewady for sale. Prices will be around $20. All use Surface Acoustic Wave Technology, are guaranteed and come with an explanation of how they work. I've learned a lot from BHO members and hope I can help others by sharing what I've learned about sound mechanics.

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