The Jensen Vintage Ceramic C15K IR library is designed exclusively for use with the TH-U SuperCabinet program, which can either be used as a standalone IR library or with the TH-U plug-in program. SuperCabinet allows you to:

• Graphically browse the IRs in the library
• Blend them together
• Craft new cabinet tones with the unique multiband mode
• Use the IR in the software
• Export the IRs in WAV-file format, compatible with software IR loaders and all the major hardware modelers 

This is a systematic capture of a Jensen Vintage Ceramic C15K speaker, from the Vintage Series, installed on a 1×15″ open-back enclosure, for a total of 608 IRs. This IR library was developed in conjunction with a Jensen Speakers product specialist, in order to recreate the most authentic playing experience, as if you were playing an original speaker.

The C15K is the contemporary version of the C15N and offers one of the fullest sounding tones in the entire range. With powerful basses, rich in the whole midrange and smooth and extended in the treble range, the C15K is a first choice for traditional jazz players, as well as for fusion and roots rock styles. Overloud’s proprietary capturing with 19 mics in 16 positions showcases the versatility of the C15K.

This library also includes the remastered version of all the IRs. The vintage Jensen speakers were designed mainly for clean tones. The maximum overdrive achievable back in those days was generated by the amplifier’s natural clipping and compression and by some of the earlier fuzz pedals. Those speakers were voiced for sparkly, shimmering treble response, with a remarkable amount of energy well over 6 kHz, to be coupled with the warm sounding circuits and the thin, resonant cabinets of the era. The IRs of the Vintage Jensen Speakers behave exactly as expected: bright, clear, and detailed.

In the modern world, especially with high-gain tones that are naturally very rich in harmonic overtones, all this energy in the treble range may occasionally turn in an overly bright, aggressive tone. To further expand the possible applications of these historic speakers, Overloud decided to offer all the Vintage Jensen IRs also with a remastered option, where the top-end response is finely tuned to be warmer and less prominent to make it more suitable for contemporary higher-gain applications. This creates a sort of virtually aged tone that offers a whole new range of sounds for every application. All of the IRs in the library are effectively doubled by the remastered version, opening up new possibilities to the player beyond the original hardware.

The microphones used during the capture sessions for this IR library are:

• AKG C12
• AKG C414
• AKG C414 XLS
• Audio Technica AT4033
• Beyerdynamic M160
• Coles 4038
• Electro Voice RE16
• Groove Tubes MD1
• Neumann KM84
• Neumann U47
• Neumann U87
• RODE NT1
• Royer R121
• Sennheiser E609
• Sennheiser MD421
• Shure B52
• Shure SM57
• Shure SM58
• Shure SM81

Every microphone has been moved to four different horizontal positions (cap, cap edge, cone, and cone edge), two distances and two angles, for a total of 16 IRs each. All the measurements have been repeated for each cabinet in the library, and all IRs have been phase aligned, so they can be blended without phase cancellation.