Bass Master Pro Upright Bass Pickup System
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The Bass Master Pro Combo combines the K&K Bass Max and Double Big Twin pickups, allowing you to mix them using a tiny two-channel preamplifier.
You can draw a comparison to a two pickup electric bass' neck and bridge pickups -- the complementary blend of the two units is very nice, and easy to quickly balance the volumes to achieve a different sound character depending on the type of music or selection. The placement and different characters of each pickup system provide a wider sound palette from which to choose. As a result, if you require a range different tonal flavors during a performance for pizz or arco, or want different voices for different gigs, the Bass Master Pro should be your choice.
The photo shows the two pickup components of the system mounted on my Juzek bass. A group of four transducers (the same as are used by the Double Big Twin) are placed beneath the four strings of the bass, and a Bass Max is inserted into the E or G side wing of your bridge. It terminates to a stereo (3 conductor) jack; a high quality stereo cable is included, to plug into the companion, dual channel preamplifier.
The preamp included with the Bass Master Pro has separate, three-band EQ controls for each pickup set so you can custom-tailor the tone of each pickup, then blend them in the ratio that works for you. The preamp ALSO offers the option to send each pickup to a separate amplifier (or separate channel on your multi-channel amp or mixing board) for separate amplification or external mixing. The extra "smart jack" output, when used, automatically routes one pickup to each output.
(Note that the photo to the left shows an earlier version of the preamp, without that extra jack.)
I should also note, that in my case, I mounted the bridge string transducers on the bottom of my bridge; K&K's original images show it on the top, but my Juzek's adjustable bridge is too curved to accommodate them. The Juzek's prior guest, the Double Big Twin, was also mounted on the bottom. I think it is less obtrusive and noticeable that way, too, but shouldn't matter one way or the other to the ultimate sound.
The preamp that comes with the system has a belt clip, for easy availability and balancing on the job, and measures a mere 3.5 x 2.9 x 1.3 inches. The two volume controls are at the top. Individual treble, bass, and master volume controls are inside the unit, which is powered by a 9 volt battery. A tiny screwdriver is attached by velcro on the inside, for adjustments to the internal controls.
As you can see, while the close-up photo looks a little cluttered, it's quite unobtrusive when seen in perspective. The same installation on Bob's Juzek 3/4 size bass - from a little further back - is the second photo.
Need to figure out some of the more in-depth features of this product? Here's a copy of the manual, in PDF format, here.
You may wish to visit the manufacturer's website to see if a more recent version is available.
For valid warranty claims, K&K will repair the item and ship it back to the customer for free, via the lowest cost shipping method. Initial shipping charges are to be paid by the customer. We normally have a 1-2 business day turnover time for repairs.
Initiating a Warranty Claim
- Please test the K&K product thoroughly to ensure that it is the source of the problem (not a cable or other unit used in combination with the item). If the product requires a battery, ensure that the battery is new and fresh.
- Call K&K (1-800-867-6863 x107) or e-mail tech support to obtain an RA number. This number is valid for 10 days. Items returned without a valid RA number may not be processed.
- Include proof of purchase to show that the item is within the 12-month warranty period. If proof of purchase cannot be obtained, or if the item is outside the warranty period, a repair fee may be charged.
- Package the product securely. K&K is not responsible for damage incurred during transit.
- Please include the following information with the package:
- RA number
- Description of the problem
- Copy of invoice, sales receipt, or similar proof of purchase
- Complete contact information with phone number
K&K Sound Systems Inc
Attn: RA # [Please indicate your unique RA number here]
92798 Cape Arago Hwy
Coos Bay, OR 97420
Just wanted to drop a note to thank you for the speedy service on my latest order. I placed the order Wednesday, and had my Bass Master Pro package in my hands on Friday. The K&K pickup set, with the included preamp, sounds absolutely terrific on my bass (a dramatic improvement over my old BP-100). Your installation instructions were crystal clear and saved time and trouble, and helped my get the system set up and sounding great in no time at all. Thanks again for making this a great experience all round!