Enclosure materials and finish:
3/4" OSB finished in black carpet
Mounting provisions:
This unit is not designed for over head suspension
SA 1 stand mount adapter
Dimensions (H x W x D):
Front:
15.25in. x 24.50 in. x 16.00 in. 387 mm x 622 mm x 406 mm
Net weight:
57 lbs. (25.9 kg)
Features
•
•Sound Guard HF driver protection circuit
•RX™22 driver with a 2" titanium diaphragm coupled to a CH® 3 90° x 45°
•15" BWX Black Widow® with Kevlar® cone and field replaceable basket
•SP™ X series cabinet styling with integral stand adapter
•Neutrik biamp jack
•30° or 45° baffle angle
Description
The SP 115MX is both a cosmetic and performance redesign of the SP 115M floor monitor loudspeaker system. This high power handling
SP 115MX exceeds a predetermined threshold the Sound Guard III circuit in engaged. The effect that this has is to subtly decrease the signal level going to the RX 22 so that it will not be damaged due to long term overpowering. Short duration transients will not be attenuated by Sound Guard III and have the possibility to damage the RX 22. The Sound Guard III circuit is a dynamic circuit that will attenuate the signal more the larger the signal is, very similar to a compressor. This is accomplished through the use of a specially selected dynamically resistive light bulb. If the bulb in your Sound Guard III should ever burn out a replacement may be obtained from an Authorized Peavey Service Center. However, if a Peavey replacement bulb is not readily available, a Sylvannia SK3 bulb may be located at various loudspeaker or electronics parts stores.
Frequency response
This measurement is useful in determining how accurately a given unit reproduces an input signal. The frequency response of the SP 115MX is measured at a distance of
Power handling
There are many different approaches to power handling ratings. Peavey rates this loudspeaker system’s power handling using a
Harmonic distortion
Second and third harmonic distortions vs. frequency are plotted in figures 3 and
4 for two power levels. Ten percent (10%) of rated input power and either one percent (1%) of rated input power or one watt, whichever is greater. Distortion is read from the graph as the difference between the fundamental signal (frequency response) and the desired harmonic. As an example, a distortion curve that is down 40 dB from the fundamental is equivalent to 1% distortion.
Mounting
Warning: This unit is not designed for overhead suspension.
CH 3 constant directivity horn. This unit can be driven in
Sound Guard III is the redesign of Peavey’s proprietary circuit for high frequency driver protection for the new RX 22 compression driver. This is an integral part of the crossover for the SP 115MX. The input signal is routed through the Sound Guard III circuit in both full- range and biamp modes of operation. When the high frequency drive level to the
|
| Amplitude Response | (1W 1m |
| ||||||
| 110 |
|
|
|
|
|
|
|
|
|
Pa) | 100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
20 | 90 |
|
|
|
|
|
|
|
|
|
(re |
|
|
|
|
|
|
|
|
|
|
dB SPL | 80 |
|
|
|
|
|
|
|
|
|
70 |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |
| 60 | 50 | 100 | 200 | 500 | 1k | 2k | 5k | 10k | 20k |
| 20 | |||||||||
| Figure 1 |
|
|
| Frequency (Hz) |
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
| Impedance |
|
|
|
| |
| 100 |
|
|
|
|
|
|
|
|
|
| 50 |
|
|
|
|
|
|
|
|
|
| 30 |
|
|
|
|
|
|
|
|
|
| Z 20 |
|
|
|
|
|
|
|
|
|
( | ) 10 |
|
|
|
|
|
|
|
|
|
| 5 |
|
|
|
|
|
|
|
|
|
| 3 |
|
|
|
|
|
|
|
|
|
| 2 |
|
|
|
|
|
|
|
|
|
| 1 | 50 | 100 | 200 | 500 | 1k | 2k | 5k | 10k | 20k |
| 20 | |||||||||
| Figure 2 |
|
|
| Frequency (Hz) |
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |
