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Drawmer SP2120 Speaker Protector

Item #: 
1274228076373   POS #:102460094
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Product Description:

Step 1: Insert key to unlock front panel and adjust VU meter preset until the peaks of the incoming audio illuminate the red endstop 0dB LEDs. Step 2: Adjust max output level preset until sound system volume reaches the maximum permitted SPL as specified by the installer or client. Remove key . . . and sleep soundly. The Drawmer SP2120 Speaker Pr...  Click To Read More About This Product

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Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Price: $799.00
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Ship to Store: Available in: 3-7 Days (estimated)
Fairfax, VA
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SUN:11AM-7PM
MON-FRI:10AM-9PM
SAT:10AM-8PM
Overview

Step 1: Insert key to unlock front panel and adjust VU meter preset until the peaks of the incoming audio illuminate the red endstop 0dB LEDs.

Step 2: Adjust max output level preset until sound system volume reaches the maximum permitted SPL as specified by the installer or client. Remove key . . . and sleep soundly.

The Drawmer SP2120 Speaker Protector offers both strict level control and tremendous peace of mind to the contractor, installer and venue in the knowledge that only the maintenance engineer and the venue manager hold a key. As its name suggests the 1U, two channel processor eliminates the possibility of 'unauthorized' excessive sound pressure levels on speaker systems which could result in damage to both chassis drivers and amplifier electronics. The unit also gives a wide variety of venues, such as clubs, theaters, pubs, schools, universities etc. the opportunity to comply with the local legislation regarding noise levels.

The SP2120 front panel features an integral security lock to ensure that adjustments to maximum volume levels are implemented by key holders only. In 'unlocked' mode two front panel presets are exposed and available for adjustment by the installer. The first calibrates the 16 segment Left/Right bargraphs to the incoming audio and dictates the point at which 'protection' processing commences. The second sets the absolute volume level to which the sound system is allowed to perform. If the SP2120 receives increased signal levels, the transparent 'protection' circuitry is activated which maintains the specified system volume level without degradation in sound quality.

The SP2120 greatly benefits from Drawmer's 25 years experience in designing industry standard dynamic processing devices. Its signal path combines a mixture of 'multiple time constant' circuitry and automatic gain control (AGC) which allow small overloads to sound louder - even though they're not. Its concept and development was encouraged by Drawmer distributors and installers dissatisfied with other protection systems currently available. These often take the form of a crude switch, either turning off the power or disconnecting the speakers, both of which are 'disruptive' in any event.

The SP2120 is intended to be inserted in the sound system immediately prior to the amplifier stage.

Features

Key Holder access only 
Takes only minutes to install
Dual 16 segment Left/Right bargraphs for 'at a glance' level metering
'Protection' processing 16 segment bargraph display
No sound quality loss even during heavy protection processing
Once installed and calibrated completely eliminates the possibility of 'unauthorized' volume levels
Eliminates sound system abuse and the resulting cost of chassis speaker re-cones, HF diaphragm replacements and amplifier repairs
Reduces 'call-out' costs of sound system service/repair engineers
Reduces sound system 'down time' and the consequential loss of venue income
Isolation transformer output option
Specifications
Crosstalk: >90dB at 20kHz 
Noise: -99dB (Unity gain ref +4dBu/22Hz-22kHz)

OUTPUT
Output Impedance: 100 Ohms
Output Level: Variable. Infinity to +14dBu
Balance: >40dB (22Hz-22kHz)

INPUT
Input Impedance: 30K Ohms
Max Input Level: +27dBu
CMR: >40dB (22Hz-22kHz)

CONNECTORS
Balanced XLR in/out. Pin 1 screen (earth), Pin 2 + (positive), Pin 3 - (negative)
Isolation Transformer option for Output stage
Pro Coverage

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Pro Coverage includes
  • Accidental damage protection
  • Expedited repair or replacement
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to five years from date of purchase
  • Repair authorization-toll-free by phone or via the web
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