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ACME sound Low B-1 User Manual

ACME sound Low B-1
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Owners Notes Low B
-
2 and Low B
-
4 Systems
11
In average rooms, flattest response will be found in about the
-
2 dB position, but most people like it all the
way up. Its effec
t can be subtle for bass guitar, but some round
-
wound players insist the tweeter makes
all the difference in the world. Again, e
xperiment.
Interestingly, the extended high end of our midrange driver made it possible to add an excellent tweeter
at a low e
nough cost to make the Low B an outstanding full
-
range system, comparable in performance to
studio monitors. The Low B
-
2 has be
en proven to be excellent for use as a PA speaker in smaller rooms
and when very clean reproduction is important, as when amplif
ying acoustic instruments.
The addition of this quality European tweeter is one of the unique things about the Low B
-
2 and Low
B
-
4
systems. What was a very good bass guitar speaker has become an outstanding all purpose/bass/
keyboard/PA. It is a better hi
-
fi speaker than many commercial stereo rigs, and nearly as true as some
popular studio monitors.
Connect a pair to your keybo
ard rig, stereo, or studio system, and see if you agree about the versatility
of this unique product. One gentleman in South Car
olina has even used the Low B
-
2 as a subwoofer in a
biamped system with Magnepan planar loudspeakers! He said it was the only sy
stem he’d found with
enough speed to keep up with the “Maggies,” and low end extension worthy of this audiophile class
system.
Handles
Acme Low B
-
2 systems use miniature, recessed handles because they require a very small hole in the
enclosure. Consequent
ly, the superior structural properties of the Acme enclosure are minimally affected.
The handles are located directly over the c
enter of gravity, so the system can be carried without tilting.
For aging baby
-
boomer musicians, minimum back strain will be acc
omplished with the screen facing the
person carrying the system. Unless you can get somebody else to carry it, which is the idea
l solution!
As was mentioned before, I have succumbed to popular demand, and made a larger, more useful handle
standard equipme
nt on the new Low B
-
4 Series II. This very high
-
quality handle will, I hope, meet with
your approval, and it’s thick, strong con
struction only minimally affects the sound.
The strap handle is used on the Low B
-
1. What is a disadvantage on the B
-
2, limitin
g stacking options, as
mentioned above, is a necessity on this speaker. The location of the port, on the side of the unit, makes
it
important to discourage stacking or laying anything on this surface, and the strap handle helps to ensure
that this will not
happen.
Troubleshooting
As questions have come in about potential trouble, I have attempted to compile some answers to possib
le
concerns in this section.
General
Many people, when they hear their instrument reproduced through these lower
-
distortion s
peakers, are
alarmed at the difference compared to what they are used to. There are several reasons for this.
One reason is the
wide range, low
-
coloration sound. You might be surprised at the wide range of
frequencies produced in the harmonics of your bas
s.
Another reason is the power requirements of the Acme units. A 200 watt amplifier, which is more than
adequate to power a JBL
, can seem gutless when used with these speakers, the 8 ohm models in
particular. Low power can obviously be a source of trouble
. Even with higher
-
power amps, a slightly
different approach to using your equipment can be helpful. See the section on “Distort
ion.”
In addition, the increased clarity of reproduction can reveal things about your bass and amplifier that you
haven’t heard
before. An example could be a high
-
frequency “hiss” in your amplifier that wasn’t

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ACME sound Low B-1 Specifications

General IconGeneral
BrandACME sound
ModelLow B-1
CategorySpeakers
LanguageEnglish