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For Sale: Movable, Tunable Tone Amplifier For All Banjos

Posted By: yellowdog | Rate Member
 Member 10+ Years  Verified Seller  Returns allowed with money back refund

$19 USD

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Our Movable, Tunable Tone Amplifier For All Banjos replaces all previous models of tone amps because of its superior performance. The difference is that it has three separate audible sound generating planes separated by two bend lines.(see photo). By bending the tone amp along the bend lines the player can easily adjust high and low audible sound outputs to intersect in air for a balanced sound.

The "Travel Caddy" holder is included with your purchase of the Tone Amp.

Also included with your purchase is our newly invented "Double Twisted Cross Tape" (DTCT) mechanical pre-amplifier tape pictured on the ad. Click on the drawing (which is partially obscured) and a full enlarged image will appear. How the DTCT improves volume, sustain and sound quality is explained in a single page information sheet downloadable from our website. A link to the website is in the ad. The DCTC is a major discovery and it is free with the purchase of any Tone Amp except the Bass Amp. If ordered separately the price is $4.00 plus $1 Postage & Handling.

Performance of a banjo containing our Tone Amplifier For All Banjos is improved by the addition of our Bass Amplifier and Enhancer which must be purchased separately but is very reasonably priced and is also movable to other instruments.

The "Optional Tone Piece Set" for the Tone Amp (shown above) is $6 USD extra and is recommended primarily for customers who want to experiment with other timbres from the banjo.


By Mail and International Mail In Business Letter Envelope/ $1.00 US, $2 To Europe

Payment Methods:

Check/Money Order, Paypal, Mastercard, Visa

Payment Option Notes:

Pay with credit card through Paypal ( with credit to Geiger Acoustic Devices (

Return Policy:

Returns accepted. Buyer must contact seller within 14 days to arrange return. Refund will be given as Money Back. Buyer pays return shipping.

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This ad will automatically expire 4/3/2018 8:13:19 AM unless updated before that date. To keep the system current, ads expire if not updated for more than 60 days.

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