The SR71 features a new technology using Analog circuitry to replicate the tube tone, and feel of legendary tube amps.
The amp is based on our Flagship amp the P-51 which featured 4 6L6's and a compliment of 12AX7 to produce a tone very similar to a early 70's D amp that was based on the modding of a Tweed Twin.
The amp is aggressive, touch sensitive and has all of the compression and grind of the original tube amp.
We will be using this technology in the future to bring you incredible products and we are excited to introduce this one.
The new SR-71 features the following controls
Level for FET Boost control
And Rock/Jazz switch
D Style buffered effects loop with send and return controls and on off switch.
The Preamp Boost control is a feel supercharger that makes the amp move aggressive with a faster response.
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Lance Keltner, pro guitarist, gear developer and overall tone fanatic has played through a myriad of vintage amps and boutique amps over the years but was most inspired by the 70’s tones achieved by David Lindley. The explosive tones that came from a basic modified Fender circuit to create a Tweed Twin sound on steroids were the tones that really inspired Lance to play.
Lance has owned Dumble, Park, Marshall, Vox and Fender amps over the years but was most haunted by the tone he heard from a 70’s Dumble amp.
The thick incredible overdrive and ability to go from mean to clean with the volume knob on the guitar is the impetus behind the Smart Belle design
The amplifier features a 4 6L6 power section for incredible headroom, however the re-engineered master volume allows world class tone at bedroom levels.
The tube driven effects loop is built into the amplifier with both send and control returns. There is no more need to purchase an external tube driven loop since its built right in.
There is a three-button footswitch that allows for the switching of our three favorite functions: Channel, EQ defeat, and FET boost.
Speaking of the FET boost, it is not only foot-switchable but also completely variable as there is a dedicated knob for a variable level of the boost on the front panel.
The SMART BELLE P51 is our first offering and you will find there is nearly zero noise floor even at the highest gain settings.
For stage, or studio use, the SMART BELLE will deliver tones that will inspire.
Don’t be dumb…..
Play a Smart Belle.
The P51 Features a 4 6L6 power section.
FET Boost volume.
Gain Channel Drive and Volume
Tube Driven effects loop with send and return controls built right into the amp. (no more external loops)
Foot switchable channel switching
Foot switchable EQ Cut
Foot switchable FET boost (variable)
You can buy a Smart Belle P51 today. The wait time is approximately 6 weeks.
Call for pricing.
Speaker cabinets are available. Call for pricing.
Contact us at
Or call Lance Keltner at 512-983-8988
Strasse: Buchenweg 13
Telefon: 09183 9029024
Van de Haar Guitars and Parts
Edisonweg 30, 3404 LC IJsselstein, Netherlands
440hz.it / Luciano Music Store
Via Como 18
CANADA'S EXLUSIVE DEALER
260 St. Paul Ave. P.O. Box 26053. Brantford, Ontario Canada N3R 7X4
Our representative for Nashville is Mike Bathke. firstname.lastname@example.org
Pedals Park Co., Ltd.
25/148 Nuntawan Village
Rama 2 Road (Soi 82),
Starting from left to right these are Lance Keltner's basic settings.
Remember that the send and return on the back are engaged whether you have effects inserted or not so please start with those both at around 1 o'clock and then change them to taste.
Get in touch with us for more info and suggested tone settings and get advice on the best loop based effects for your needs.
We will be adding sample settings from our owners and Artists over the next few weeks. Feel free to get in touch and let us know your favorite sample settings and we will share those with the Smart Belle community.
Owner at Studio 71 West in Spicewood Texas shared his favorite Smart Belle P51 setting. This setting is with the gain channel engaged.