Sunfire True Subwoofer Architectural User Manual
User's Manual
16
Specifications
Amplifier Output
1,250 W rms (3.3
Ω impedance)
High Cut Filter
35 Hz - 100 Hz adjustable.
Frequency Response
18 Hz - 100 Hz.
Low pass is -6 dB @ 80 Hz
Power Line Voltage
AC 120 V, 50/60 Hz
Dimensions
11" x 11" x 11"
Weight
40 lbs
Finish
Black anodize and black lacquer.
removable fabric grill.
removable fabric grill.
Line power consumption:
350 W average, 18 Hz to 100 Hz, at
absolute maximum continuous output.
8 W at idle.
absolute maximum continuous output.
8 W at idle.
Output levels:
Greater than 107 dB peak SPL
(includes room gain) from 18 Hz to
100 Hz. Measurement method is one
meter, anechoic, including room gain.
(includes room gain) from 18 Hz to
100 Hz. Measurement method is one
meter, anechoic, including room gain.
A typical Sunfire subwoofer can be
expected to ‘best’ its specified minimum
peak SPL by several decibels.
expected to ‘best’ its specified minimum
peak SPL by several decibels.
THD:
Less than 1/10 of the fundamental
between 18 and 80 Hz
Input sensitivity for full output:
250 mVrms from left input with volume
control at 0dB, 60 mVrms with volume
control at 0dB, 60 mVrms with volume
control fully clockwise
*
0.75 Vrms from right input with volume
control at 0dB, 200 mVrms with volume
control at 0dB, 200 mVrms with volume
control fully clockwise
*
Input impedance:
15 K
Ω for Line-Level inputs
15 K
Ω for Hi-Level inputs
Driver:
Extra large magnet and long throw
mechanical design yield very high back-
emf. The result is extraordinarily high
operating efficiency – that is, more
acoustic output for each watt of input.
mechanical design yield very high back-
emf. The result is extraordinarily high
operating efficiency – that is, more
acoustic output for each watt of input.
Internal system gain:
46 dB from left input jack to speaker with
the Bass Level control at 0 dB, 56 dB
the Bass Level control at 0 dB, 56 dB
with the control fully clockwise
*
36 dB from right input jack to speaker
with the Bass Level control at 0 dB,
with the Bass Level control at 0 dB,
48 dB with the control fully clockwise
*
*
The Sunfire Subwoofer utilizes
differential gain on the left and right
inputs to retain both L+R and L-R
information.
differential gain on the left and right
inputs to retain both L+R and L-R
information.
© 2002 Sunfire Corporation.
All rights reserved. Sunfire Corporation
reserves the right to improve its products
at any time. Therefore, specifications are
subject to change without notice.
reserves the right to improve its products
at any time. Therefore, specifications are
subject to change without notice.
Manual part number 913-008-00 RevC