Performance Specifications
Cumulative Rated Power:
250W
Woofer Amp:
160W rms single tone sine wave @ 100Hz
Midrange Amp:
60W rms single tone sine wave @ 1kHz
Tweeter Amp:
30W rms single tone sine wave @ 5kHz
All measurements @ nominal line 120V, 60 Hz
SPL @ 1 Meter:
>116dB SPL
Frequency Response:
100Hz - 20kHz ±4dB
Hum and Noise:
< -95dB referred to full output
Power Consumption:
270W max @ 120Vrms, 60Hz
Input Impedance:
10MOhm / 68pF
Nominal Input Level:
-20dBv
Maximum Recommended Input Level:
+6dBv
Fixed High Pass:
-3dB @ 55Hz
Bass:
±10dB @ 100Hz (shelving)
Mid:
±12dB @ 1.2kHz (resonant)
Treble:
±12dB @ 10kHz (shelving)
Brilliance:
±12dB @ 10kHz (resonant)
Notch:
-14dB @ 20 - 400Hz (Hi Q resonant)
All tone controls ±1dB tolerance, all frequencies 10%
Reverb:
Equalized, medium delay, triple spring reverb
Effects Send:
Output Impedance:
2.2K
Output Voltage:
~ +3dBv (1.4Vrms max)
-10dB Nominal
Effects Return:
Input Impedance:
20K
Input Voltage:
~ +3dBv (1.4Vrms max )
-10dB Nominal
Effects send and return are designed to be compatible with battery operated effects processors.
XLR Out :
+3dBv balanced
Crossover Frequency:
450Hz, 3.4kHz (Tri-amplified w/electronic crossover)
Speaker System:
Woofer:
8" Treated Paper Cone
Midrange:
4" Polypropylene Cone
Tweeters:
2 x 1" dome, rare earth magnets, Ferro fluid cooled
Baffle Angle:
Upright Position:
10 degrees
With Kickstand:
45 degrees, 57 degrees, 70 degrees
Dimensions:
19.25" H x 15.5" W x 13.75"D
Weight:
55.5 lbs.
Because we continually improve our products, the specifications and information in this manual are subject to change without notice.
Wherever this symbol appears, it alerts you to
the presence of uninsulated dangerous
voltage inside the enclosure that may be
sufficient to constitute a risk of shock.
Whenever this symbol appears, it alerts you
to the presence of important operating and
maintenance (servicing) instructions in the
user’s manual for this amplifier.
Important Safety Instructions
To ensure your personal safety and the safety of others,
operate this apparatus only after reading these
instructions and heeding the warnings listed below.
1.
Read these instructions.
2.
Keep these instructions.
3.
Heed all warnings.
4.
Follow all instructions.
5.
Do not use this apparatus near water.
6.
Clean only with a dry cloth.
7.
Do not block the ventilation openings. Install in
accordance with the manufacturer's instructions.
8.
Do not install near any heat sources such as
radiators, heat registers, stoves or other apparatus
(including amplifiers) that produce heat.
9.
Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding-
type plug has two blades and a third grounding
prong. The wide blade or the third prong are
provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10.
Protect the power cord from being walked on or
pinched, particularly at the plugs, convenience
receptacles and the point where they exit from the
apparatus.
11.
Use only attachments/accessories specified by the
manufacturer.
12.
Use only with a cart, stand, tripod, bracket or table
specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid
injury from tip-over.
13.
Unplug this apparatus during lightning storms or
when unused for long periods of time.
14.
Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as a power-supply cord
or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not
operate normally, or has been dropped.
Do not expose the apparatus to dripping or splashing
liquids and do not not place objects filled with liquids (such
as a beverage container or a vase) on the apparatus
Warning
To reduce the risk of fire or electric shock, do not expose
this apparatus to rain or moisture.
Hear This!
The Loudbox amplifier is capable of cleanly reproducing
the sound of your instrument at very high volume levels.
Prolonged repeated exposure to high sound pressure
levels (SPLs) without protection can cause permanent
hearing loss. OSHA has set guidelines and specified
permissible sound exposure limits for those who work in
high SPL environments.
CAUTION
Risk of electric shock.
Do not open.
No user serviceable parts inside.
Refer servicing to qualified personnel.
Do not expose to rain or moisture.
10
3
Permissible Noise Exposures
Duration per day, hours Sound level dBA slow response
8 90
6
92
4
95
3
97
2
100
1 1/2
102
1
105
1/2 110
1/4 or less
115
To ensure against permanent hearing loss, wear hearing
protection when you perform with amplification.
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