User manual PEAVEY BACKSTAGE PLUS
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Manual abstract: user guide PEAVEY BACKSTAGE PLUS
Detailed instructions for use are in the User's Guide.
[. . . ] Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre la operación y mantenimiento en la información que viene con el producto. PRECAUCION: Para disminuír el riesgo de descarga eléctrica, no abra la cubierta. Deje todo mantenimiento en manos del personal técnico cualificado. ADVERTENCIA: Para evitar descargas eléctricas o peligro de incendio, no deje expuesto a la lluvia o humedad este aparato Antes de usar este aparato, Iea más advertencias en la guía de operación. [. . . ] The adjacent red LED (11) indicates activation of the built-in DDTTM compression should the system approach maximum power output. See number (11) below for more details on DDT compression.
KOSMOS (7)
The KOSMOS feature is a low-frequency reinforcement and stereo imaging enhancement system that augments the input signal by generating bass notes one octave below (QuakeTM function) the original, and allowing the stereo image to be widened (Xpanse® function). This patented enhancement is also available as a separate processor unit. The Quake Sub Level knob (7a) sets the powered subwoofer output and simultaneously sets the amount of KOSMOS Quake function. The Xpanse knob (7b) controls the amount of high frequency expansion applied to the high-pass outputs (8) and the speaker level outputs (9). The bypass switch (7c) bypasses the KOSMOS entirely. When in bypass mode, the Quake Sub Level knob sets the powered subwoofer level without any KOSMOS effect. The adjacent, blue LED (7d) illuminates when the Quake function is active.
High-Pass Output (8)
These left and right, line-level, high-pass frequency outputs track with the level of the Master System Level control (6). These pole stands should not be extended beyond 65" in height or carry more than 20 lbs. each in weight.
Sending Audio Signal to the TriFlex
There are a variety of ways to provide audio signals to the TriFlex. The balanced line-level input(s) allow the use of an XLR plug or a 1/4" phone plug: either a standard, single-ended TS (tip/sleeve) plug or a balanced TRS (tip/ring/sleeve) type 1/4" phone plug. It is not advisable to connect cables to the jacks while the unit is ON and the volume is turned up. Always turn the volume control down before plugging and unplugging cables or switching ground lift switches.
Left & Right Outputs
These outputs will supply a full-range, 8 Ohm minimum speaker system with a high-pass frequency amplifier signal when using the TriFlex with speakers other than the TriFlex satellite speakers. The Xpanse control (7b) will expand the stereo sound stage and add high frequency processing to these outputs.
TriFlex as a Subwoofer Only (Add-On Use)
When using the TriFlex as a powered subwoofer only, connect a full-range stereo signal to the inputs (5) or plug a mono signal into the left input (5a) and engage the Mono switch (5d). The subwoofer will reproduce frequencies from approximately 45 Hz to120 Hz.
TriFlex: Subwoofer with Built-in Crossover
To fully utilize the built-in crossover, a line-level, high-pass signal is available at the high-pass output jacks (8). Use the left output to send the high-pass output to a powered, full-range speaker or to a power amp and full-range speaker. The full-range speakers will reproduce frequencies from 120 Hz and up. This can be repeated if multiple TriFlex units are used in a larger interconnected system.
Connecting Multiple Triflex Systems
The TriFlex is designed with multiple parallel inputs that allow daisy-chaining from one TriFlex system to another. Then, connect a cable from the first TriFlex's thru jack to the second TriFlex's input. This connection can be continued for several units, depending on the total length and capacitance of the cables. With a low source impedance output from a typical mixer and by using quality, balanced cables, several TriFlex systems can be daisy-chained from one output using 30 or 40 foot cables without obvious problems or distortion. It is not advisable to connect cables to the jacks while the units are ON and the Volume is turned up.
8
Applications
The TriFlex has a variety of applications such as sound reinforcement, public address or musical playback. Of course, using the TriFlex in the traditional role - strictly as a powered subwoofer - is also a great choice. [. . . ] Do not store in extremely hot or cold conditions or extremely high humidity.
Cleaning
A dry cloth may be used to remove soil or other dirt. Do not allow any fluids to drip inside the TriFlex system's vent openings, or through the grille.
Check for Secure Hardware
After the first few months of use and periodically thereafter, check the hardware for tightness. The unit, in use, is subject to a great deal of vibration that may cause the screws to loosen over time.
10
GROUND GND LIFT
KOSMOS
HI PASS
LEFT RIGHT
OFF +10 OFF MAX OFF MAX
ON BYPASS
POWER
LEFT INPUT
STEREO MONO
LEFT THRU INPUTS
INPUT LEVEL EXPANSE QUAKE
STEREO MONO GROUND GND LIFT
RIGHT INPUT
RIGHT THRU
LEFT OUT
RIGHT OUT
TO LEFT SATELLITE
TO RIGHT SATELLITE
BYPASS BYPASS
TriFlexTM Block Diagram of Signal Flow
11
POWER AMPS
INTERNAL WOOFER
POWER ON OFF
FUSE
FREQUENCY RESPONSE CURVE
120
Amplitude Response (1W 1m On-Axis)
110
dB SPL (re 20 Pa)
100
90
80
70 20
50
100
200
Frequency (Hz)
500
1k
2k
5k
10k
20k
12
TriFlex
TM
Powered Subwoofer and Stereo Satellite System
SPECIFICATIONS
Enclosure
TriFlex (domestic)
Frequency Response
45 Hz to 120 Hz
Usable Power Amplifier (at 120 VAC line)
Subwoofer section alone 1500 Watts peak dynamic power, bridged mode 1000 Watts coninuous at less than 0. 3% distortion L & R Output section alone 750 Watts peak dynamic power either channel All channels loaded full Subwoofer section 750 Watts peak dynamic power 500 Watts continuous L & R output section 375 Watts peak dynamic power either channel 250 Watts continuous
Nominal Sensitivity (1W at 1M, swept sine input in anechoic environment)
95 dB
Maximum Sound Pressure Level
128 dB peak
Transducer Complement
1508-8 HPS 15" Low RiderTM Bass woofer
Box Tuning Frequency (FBox)
40 Hz
Electronic Crossover Frequency
120 Hz
Crossover Type
Internal electronic two-way crossover with bass boost and 24 dB/octave subsonic filtering with active soft-knee limiter on levelcontrolled low pass. Variable high-pass output.
Crossover Slopes
24 dB/octave (4th order) Linkwitz-Riley low-pass and driver EQ. [. . . ]
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