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Recommended By
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Average Price
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Average Rating
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100% of reviewers
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$450.00
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8.0
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Description:
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If you ask any professional bassist what they want in a bass preamp, they will invariably say the same thing: Studio-quiet operation, tonal flexibility, and ease-of-use. Warwick’s amplifier design team successfully met each of those demands when they created the Quadruplet preamp!
Quadrumatrix dial to alter basic tube characteristics.
Crunch rotary control.
Rotary controls for bass, mid 1, mid 2, treble & output.
Separate low & high boost, shift 1 & 2 switches.
Phones jack, mute switch .
Rear panel: groundlift switch, DI out (switchable pre/post), line/instument level output (L & R), effects loop, tuner out.
Fan cooling (non-permanent).
Weight: 9.24 lbs. / 4.2 kg
Depth: 11 in. / 280 mm
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Author
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robb.
Registered User
Registered: March 2003
Location: detroit, MI, united states
Posts: 1589
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Review Date: Mon October 30, 2006
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Would you recommend the product? Yes |
Price you paid?: $450.00
| Rating: 8
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Pros:
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great, versatile tone -- realistic tube amp tones
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Cons:
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low output, noisy, crunch control
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i am very familiar with this preamp. i have owned and gigged with it for a couple years. i am not simply in love with my new toy.
the first thing that must be said about this preamp is how great it sounds. the quadrumatrix control provides four completely different preset EQ curves. there is a microprocessor inside that actually changes the center frequency of the bass and treble knobs depending upon the setting of the quadrumatrix. there is also a small tube power amplifier inside that provides realistic tube power amp tones. the quadrumatrix control provides two settings that use the tube power amp and two that do not.
the EQ is 4-band. both the low-mid and high-mid controls also have selectable shift controls that allow you to change the center frequency of the mid controls. the quadrumatrix is so useful, i actually rarely have to use the EQ controls when using an active bass. the EQ sounds good, though, and is very useful. sometimes i like to boost the high mids to provide a little nasally cut, or the bass to mimic the low end of a tube amp.
all of this adds up to very versatile tone.
the downsides are minimal, but notable. the first is that the output is low, even at line level. some power amplifiers will not have enough signal to produce full power. i was able to modify mine to double the output, which made it capable of driving just about every power amp available. i have done so for other owners, too (for free).
the unit is also noisy. at least mine is. this is not an issue for me, as this would only be an issue for recording. i tend to record using my peavey classic 400 amplifier or a direct signal. it isn't an issue playing live.
finally, the crunch control is virtually useless. i have a very hot active bass -- a peavey cirrus BXP with 18V preamp -- that barely gets any sort of effect out of the control when it is maxed. further, the control is a "reverse-wired" pair of pots that increases the pre gain while reducing the post gain simultaneously. this can cause somewhat uneven output levels that would be better fixed by pre- and post-gain controls. i guess it doesn't really matter, becuase i don't use the control anyway.
i don't know that there are many better sounding units out there -- i sold a few different preamps before arriving at this one. there certainly aren't any others that are both this versatile and this realistic for tube tones.
robb.
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warwick quadruplet > crest pro7200 > bergantino HT112/EX112
ampeg V4 > 80s carvin 115
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