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Mandolin Twin Internal

The Mandolin Twin Internal is a twin-head, retrofit mandolin transducer. It is a fully internal pickup system. Both the tranducers and the endpin-jack are mounted inside the mandolin. The transducers are attached with special super-thin and strong peel-and-stick tape. Installation of this system should be done by an experienced luthier or mandolin tech. If you are looking for a system that is easy to install by yourself please check out our Mandolin Twin Fusion system.

The Mandolin Twin Internal reproduces the original mandolin tone with very natural tone quality and it is highly feedback resistant. It is used by high end Mandolin Builders like Clark Mandolins and by many professional players.

Due to the internal mounted pickups, the Mandolin Twin Internal delivers even better sound than our previous model, the Mandolin Twin. Plus it doesn't clutter up the outside of your instrument.

With acoustic amps it works very well in passive mode. To connect it to a PA system we recommend a suitable preamp like the Pure Preamp or the Pure XLR Preamp.


Banjo Twin Internal

The Banjo Twin does not require any alteration of your valuable instrument; all the components are installed with special double side tape or self adhesive fasteners. These will not harm the finish of your instrument and residues can be removed with WD-40.

The two pickups are installed on the inside of the banjo head using a special removable self-adhesive fastening system, specially designed for the installation on the banjo head. This adhesive is installed to the two outer edges of the pickups only. We call this the "Catamaran" mounting technique. Using this technique, the center portion of the pickup is free-floating, enhancing response while reducing the adhesive surface by about 40% and therefore having only very little effect on the acoustic sound.

The Banjo Twin system is equipped with a multi-use endpin jack. This jack can be mounted three ways: on the outside of the banjo (see photo), or mounted with internal drill through installation, or installed in a slot of the outer rim. For the external-mount, the jack is attached with K&K's self-adhesive dual-lock system (similar to Velcro but much stronger). It can be indefinitely opened and closed without wear and tear and guarantees super holding power with absolutely no mechanical noise. This way, the jack can be temporarily removed to fit your instrument into a form-case.


Pure Mini

The Pure Mini is a passive system for steel string guitar, with three pickup heads and an endpin jack. It is a transducer system only and does not include a battery or on-board electronics. Don't be fooled by the sound of some competitors' "thin sounding" passive systems--the Pure Systems are definitely different. They sound full and rich and have sufficient output to drive most amps and PA systems directly!

Installing the Pure Mini is easy with the supplied installation jig.

We recommend the Pure Mini pickups for all acoustic guitars as a first choice. Direct installation with superglue gel is required for optimum performance but the system is still removable without damaging the guitar (you may damage the pickup though).

This pickup system will fit ANY steel string acoustic guitar! It features super balanced, flat sound transmission, warm woody tone without any quack and superior dynamic range all over the guitar's frequency spectrum. This pickup won the silver medal in the 2006 worldwide readers' poll of Acoustic Guitar Magazine. Our customers tell us that the Pure Mini's output is louder than any other passive pickup on the market.


Pure Mini w/ Volume

The Pure + Volume Control combines a Pure pickup (Mini, Classic, or 12-String) with an adjustable thumbwheel lightweight volume control element which peel-and-stick installs on the inner edge of the soundhole.

The added volume control element is a passive volume control. No batteries or soldering required! If you want a volume control on your guitar without drilling a hole in your valuable instrument, this is the solution.



Pure Preamp
Pure Preamp The Pure Preamp is our time-tested external preamp, featuring +/-20 db bass, mid, and treble controls plus an internal gain trimmer. This belt clip unit has been specifically designed for the frequencies of the acoustic guitar but it is also great for many other instruments. The Pure Preamp features a special super wide band midrange filter, which is absolutely great in combination with the Pure pickups. Its simple and noiseless circuit provides unsurpassed clarity and power and the internal gain trimmer allows you to dial in the precise amplification factor needed for your instrument.

Frequency response is 10-30,000Hz. The bass control is set to roll of at 100Hz, the midrange at 1.5kHz with extra large bandwidth and the treble are set at 10kHz.

Input impedance is 1 meg and the output is low ohmic. Battery life is about 180+ ho
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