Radial Tonebone Bassbone Preamp

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    Product Description

    The Radial Bassbone is an innovative multi-function tool for bassists that expands the tonal palette, adds versatility and expedites instrument changes during performance!
    The Bassbone features two instrument inputs with a footswitch selector for instant access to two basses on stage. Both channels feature independent level controls and EQ settings to contour each instrument for optimal compatibility with the bass amplifier settings. A combination power-booster and effects loop provides variable gain boost as well as on demand access to effects for soloing. In addition to the main instrument output, the Bassbone integrates a separate tuner-out and a balanced low-impedance XLR output for the mixing console that acts like a DI. Designed to spur on the creative process, the Bassbone puts you in control of your sound with ease and confidence, opening the door to new sounds and a more exhilarating musical experience. Includes 15V power supply.

    Radial Bassbone Features

    • Master control for 1 or 2 basses
    • Balanced XLR DI output
    • Boost and effects loop circuits
    • Powerful EQ and contour controls
    • Separate always-on tuner output
    In order to fully understand the scope behind the Bassbone feature set, one must understand the challenges that bass players face. As the saying goes: necessity is the mother of invention and Bassbone delivers solutions to needs that are at once real and relevant.

    Performing with two instruments in one amplifier
    Today, with the collision of so many musical genres, the performing bassist generally requires two instruments to meet the demand for tonal range. The choice of instruments will often include a passive vintage instrument like an old Fender P-Bass and a new generation five or six string active. Both instruments are at extreme odds with respect to tonal range and output level. The problem occurs when swapping instruments on stage; this necesitates new amplifier settings to conform with each instrument’s particular sound. So how do bassists address the problem? They don’t. They have been forced to compromise. Until now…

    The Radial Bassbone solves the problem by providing an individual channel for each instrument combined with a powerful EQ section that lets you override the amp’s control settings, allowing you to dial-in the perfect sound for your instrument.

    Getting two sounds with only one bass
    When performing with one bass, the challenge comes down to achieving a greater palette of sounds to address the various musical styles required when playing covers or creating new musical landscapes. This is partially addressed with two channel amplifiers, but playing with one bass still forces a compromise with respect to EQ control and limited access to boost settings for soloing - Bassbone solves both problems.

    When only one bass is connected, the Bassbone converts to a two-channel controller with a foot-switch to toggle between channels. Channel-1 drives your amp directly with regular settings while Channel-2's ultra powerful 3-band EQ lets you shape alternate sounds from thunderous deep bass to solo-cutting power mids. Bassbone also includes a power boost section that acts on either channel, giving you four completely different settings with one bass! Finally – real control when you play!

    Bringing in effects and taking them out when not in use
    Another major concern for bass players is bringing effect pedals in and out of the signal chain. Bass frequencies are the most powerful and demanding of any signal path. This is why bass amplifiers generally require two to four times more power than the accompanying guitar amplifier. The same law of physics also applies at the electronic circuit level. This forces circuit designers to make decisions such as compromising dynamic range versus noise, using higher quality parts versus saving money and so on. The problem with most 9-Volt effect pedals is that they do not have sufficient power handling to produce clean, solid bass. As these are typically not true-bypass designs, bass players are forced to compromise by keeping these effects in the signal chain even when not in use. This causes the signal to degrade and adds noise.

    Bassbone comes to the rescue with a separate effect send-and-receive loop that can be activated with a simple foot switch. The effects loop can even be combined with the boost circuit, so cool effects such as flanging or chorus can be instantly kicked in for solos.

    Performing with no amp at all!
    When performing in small coffeehouse gigs, bringing an amplifier may be cumbersome. The bass is often plugged into a direct box and then fed directly into a mixer which feeds the house speakers and stage monitors. Although this set up can get you by, it just does not sound right. The problem is the mixer’s EQ center frequencies are tailored for general purpose (ie microphones for voice, percussion and instruments) and as such, the bass player is unable to achieve a ‘real’ bass sound. Bassbone gives back control.

    The Bassbone is essentially a 2-channel bass pre-amp with a built-in balanced XLR output for the mixer. This means that the EQ controls have been designed specifically for bass guitar frequencies so that you can get great sounds easily. This also means that you can connect the Bassbone to your mixer and have total control over your sound going through the PA. Because the XLR out is post-effect, all changes such as channel selection, EQ, boost and effects are all sent to the mixer. It’s like having your own personal sound engineer!

    Staying in tune
    Just like effects pedals, tuners can cause havoc, robbing your sound of dynamics and tone, even though one cannot argue the tremendous benefits of having a tuner plugged for on-the-fly adjustments. Until Bassbone, you were either in tune or being tuned out!

    The Bassbone’s always on tuner output has been optimized to accentuate the fundamental frequency. This reduces needle wobble making tuning faster and easier. For silent tuning, the Bassbone’s power booster can also be set to zero to act like a mute. This way, with a single foot action, the main output can be turned off while tuning.

    Taking control of your bass
    Whether you are playing in the studio or performing live, being in total control of your instrument is a critical factor in achieving a better performance. Bassbone was developed to address the real needs of bass players and to provide them with a tool that is at once flexible and practical, while opening the door to a greater array of sounds and textures. Ultimately, the Bassbone helps to spur the creative process of making music.

    Product Specifications


    • Input impedance: 470kOhm at input jack
    • Switching: Heavy duty mechanical switches
    • LED Indicators: Large 3 mm OD ultra-bright light emitting diodes
    • Boost Level: 0dB to +12dB
    • 3 band EQ on input 2:
      • +/- 12dB @ 75 Hz
      • +/- 10dB @ 470 Hz
      • +/- 16dB @ 5.6 kHz
    • Shape 1 on input 1:
      • +4.5 dB @ 110 Hz
      • -5.1 dB @ 650 Hz
      • +2.7 dB @ 4.3 kHz
    • Shape 2 on the input 1:
      • +3.7 dB @ 75 Hz
      • -6.3 dB @ 350 Hz
      • +11 dB @ 5.6kHz
    • Output impedence: 10K Ohm
    • Balanced Output impedence: 600 Ohms
    • Ground lift: Lifts ground at output 2
    • Construction: 14 guage steel, baked enamel finish
    • Power Supply: 15VDC 400mA, center pole positive

    Helpful Info about the Manufacturer
    Phone:  604-942-1001 Warranty:  3 Year Transferrable
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