CPL 10+ - Loudspeaker CREST AUDIO - Free user manual and instructions
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| Product Type | Compact Passive 2-Way Loudspeaker System |
| Brand | Crest Audio |
| Model | CPL 10+ |
| Configuration | 2-way passive |
| LF Driver | 10\" (250 mm) Woofer with 2.5\" (65 mm) voice coil |
| HF Driver | 1\" (25.4 mm) Compression driver with 1.4\" (36 mm) voice coil |
| Power Handling (Continuous) | 300 Watts |
| Power Handling (Program) | 600 Watts |
| Power Handling (Peak) | 1,200 Watts |
| Nominal Impedance | 8 Ohms |
| Sensitivity (1W/1m) | 96 dB |
| Maximum SPL (1m) | 120 dB continuous / 126 dB peak |
| Frequency Response (±3 dB) | 88 Hz - 20 kHz |
| Frequency Range (-10 dB) | 51 Hz - 20 kHz |
| Coverage Pattern (H x V) | 90° x 60° (Rotatable Horn) |
| Connectors | 2 x 4-pin twist-lock (NL-4 style) & 1 x 4-pin Euroblock |
| Enclosure Material | 15 mm (0.6\") Plywood |
| Finish | Textured polyurea paint (Black RAL 9004 or White RAL 9003) |
| Grille | Full-coverage perforated steel with acoustic foam |
| Suspension Points | 12 x M8 (top/bottom/sides/rear) + 4 x M6 (rear for Versamount 35) |
| Overall Dimensions (H x W x D) | 20.87\" x 12.56\" x 13.39\" (530 x 319 x 340 mm) |
| Net Weight | 33 lbs (15 kg) |
| Crossover | Internal advanced network with tweeter protection |
| Recommended High-Pass Filter | 50 Hz, 12 dB/octave Butterworth minimum |
| Optional Accessories | U-Bracket, Peavey Versamount 35/70, Pole Mount Adapter |
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USER MANUAL CPL 10+ CREST AUDIO
Passive 2-way Loudspeaker System

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Black industrial speaker chamber with textured back panel and small logo (no visible text or symbols)Operating Manual
| Model Number or Name: |
| Date of Purchase: |
| Serial Number: |
| Dealer Name: |
Crest Audio ^® CPL ^TM 10 ^+
The Crest Audio CPL 10^+ is a compact passive two-way loudspeaker designed for music playback, public address and live performance reinforcement applications where space is at a premium.
The CPL 10^+ can be utilized for both permanent installations and portable live sound applications. Perfect for public address, monitoring and background audio reinforcement purposes typically required in houses of worship, clubs, bars/restaurants, retail outlets plus education and corporate meeting facilities or anywhere high quality discrete audio distribution is required.
The CPL 10^+ is equipped with a premium 10 inch woofer having a 2.5 inch voice coil together with a 1 inch exit compression driver known for its smooth frequency response and non-fatiguing mid range. Directivity pattern of the loudspeaker is measured at 90^ horizontal and 60^ vertical providing a wide yet well controlled audio coverage. An internal advanced crossover network maintains EQ and driver protection. Impedance of the loudspeaker is 8 Ohms allowing for easy daisy chaining. Connectivity is made via either looping 4-pin twist-lock or 4-pin Euroblock connectors.
The CPL 10^+ enclosure is built from prime-grade 15 mm plywood that offers sturdy mechanical and low resonant electro-acoustic characteristics together with a heavy-duty steel grille backed with acoustic foam to ensure maximum protection of the internal components. The loudspeaker is equipped with a total of 16 threaded suspension points offering multiple mounting options for various applications. Available in durable black and white finish.
Features
- Compact passive two-way loudspeaker
- Premium 10" woofer, 2.5" voice coil
- 1" Compression driver, 1.4" voice coil
• Continuous power handling: 300 Watts
• Nominal impedance: 8 Ohms
• Coverage pattern (HxV): 90° x 60° (Rotatable Horn) - Connectors: 2 x 4-pin twist-lock & 4-pin Euroblock
- 2 + / 2 - Loop Through
• Advanced crossover network - Tweeter protection
• 15 mm Plywood construction - Textured polyurea paint
- 12 x M8 suspension points (3 top, 3 bottom, 2 each side, 2 rear)
- 4 x M6 suspension points for Peavey® Versamount™ 35
• Available in Black and White
Configuration: Compact 2-way passive speaker
Power Handling*: 300 Watts Continuous, 600 Watts Program, 1,200 Watts Peak
*To reach the rated power, there must be an infrasonic filter set to 50 Hz, 12 dB / Octave Butterworth minimum filtering. If the CPL 10^+ is used with a crossover for a Subwoofer, then the high pass section needs to meet this criteria at a minimum. A higher frequency and/or filter slope is acceptable.
Nominal Impedance: 8 Ohms
Sensitivity (1W/1m): 96 dB
Maximum SPL (1m): 120 dB @ 300 Watts; 126 dB @ 1200 Watts Peak
Frequency Response*: 88 Hz - 20 kHz, ±3 dB
*1m on-axis, swept-sine in anechoic environment
Frequency Range*: 51 Hz - 20 kHz, -10 dB
*1m on-axis, swept-sine in anechoic environment
Box Tuning Frequency: 65 Hz
Nominal Coverage Pattern (-6 dB): 90° H x 60° V
LF Driver: 1 x 10" (250 mm) Woofer - Crest Audio CPL10E2
LF Driver Voice Coil: 2.5" (65 mm)
HF Driver: 1 x 1" (25.4 mm) Compression Driver - Crest Audio HF36FP1
HF Driver Voice Coil: 1.4" (36 mm)
Input Connections: 2 x 4-pin twist-lock (NL-4 Style) & 1 x 4-pin Euroblock
Input, Pin 1+ = (+) positive; Pin 1- = (-) negative / Loop Through, Pin 2+ = (+) positive; Pin 2- = (-) negative
Enclosure Material: 0.6" (15 mm) Plywood
Finish: Textured polyurea paint, available in Black & White
Black Finish: RAL: 9004 Signal Black (Pantone: Black 6)
White Finish: RAL: 9003 Signal White (Pantone: 705)
Front: Full-coverage perforated steel grille, backed with acoustically neutral foam
Mounting Provisions: Twelve (12) M8 suspension points (3 top, 3 bottom, 2 left, 2 right, and 2 rear) and additional set of four (4) M6 mounting points rear for optional Peavey Versamount 35
Overall Dimensions (HWD):
Front - 20.87" x 12.56" x 13.39" (530 x 319 x 340 mm)
Rear - 20.87" x 8.5" x 13.39" (530 x 215.9 x 340 mm)
Net Weight: 33 lbs (15 kg)
CAUTION
Before attempting to suspend this speaker, consult with a certified structural engineer. Speaker can fall from improper suspension, resulting in serious injury and property damage. Do not suspend or mount any other product or device from this enclosure! Use only the correct mating hardware. All associated rigging is the responsibility of others. Maximum enclosure angle 30 degrees.
Whenever possible, in addition to the nominal primary mounting method, use a suitable safety chain or wire rope attached to one of the other groups of fly point inserts, and firmly attached to a suitable structural member as indicated by a certified structural engineer.
We recommend the use of thread-locker at the insert point bolts, so the bolts cannot vibrate loose. Never transport the cabinet using the array bracket or other mounting brackets as a structural member, while the cabinet is mounted on an array bracket or other mounting bracket and unsupported otherwise, as this may unduly stress the mounting inserts.
This Crest Audio loudspeaker should be suspended overhead only in accordance with the procedures and limitations specified in the User's Manual and possible manual update notices. This system should be suspended with certified rigging hardware by an authorized rigging professional and in compliance with local, provincial or national suspension ordinances.
INSTALLATION
A total of twelve (12) M8 1.25 mm per thread threaded mounting suspension points (3 top, 3 bottom, 2 left, 2 right, and 2 rear) are provided. These are plugged with a hex key beveled head bolts.
The twelve mounting suspension points are for use with forged shoulder machinery eyebolts and should be an M8 size, 1.25 mm per thread, and must conform to at least DIN 580 or ASTM A489, or whatever local, provincial or national suspension ordinances or regulations may additionally require. Eyebolts must be used at a minimum as a pair, never use just one eyebolt to hang the speaker overhead.
An additional set of four (4) M6 threaded mounting suspension points are provided at the rear center of the cabinet for the optional Peavey Versamount 35 ceiling or wall-mount bracket.
WARNING
The CPL 10^+ passive 2-way loudspeaker system is very efficient and powerful! This sound system can permanently damage hearing! Use extreme care setting the overall maximum loudness!
The apparent sound level of the CPL 10^+ can be deceiving due to its clear, clean sound output. The lack of distortion or obvious distress can make the sound level seem much lower than it actually is. This system is capable of sound pressure levels (SPL) in excess of 126 dB at 1 meter from the speaker!
Installation methods for optional mounting accessories
Note: U-Bracket, Peavey Versamount 35, and Pole Mount Adapter are not included. These are optional accessories and need to be ordered separately.
Installation Method 1 - U-Bracket


Installation Method 2 - Versamount 35

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Black metal mechanical component with mounting flanges and a central hub (no text or symbols visible)Versamount 35
Note: This CPL+ model can also be used with the Versamount 70 ceiling or wall-mount bracket. Both mounting plates on the Versamount 70 include a hole pattern that matches the Versamount 35 mounting hole spacing. The use of the Versamount 70 can be helpful when the Versamount 35 does not have enough adjustment range to angle or aim the cabinet as desired.

Installation Method 3 - Pole Mount Adapter

Pole Mount Adapter

Grouping of insert sets for CPL 10 ^+
Group A
A set of three M8 inserts on the top, designed to hang the cabinet using the proper eyebolts. The rearmost insert can be used as a pull-back point OR an additional fly point. The count does not include the center insert for the U-Bracket, which is an M8.
Group B
A set of three M8 inserts on the bottom, designed to hang the cabinet using the proper eyebolts. The rearmost insert can be used as a pull-back point OR an additional fly point. The count does not include the center insert for the U-Bracket, which is an M8.
Group C
A set of two M8 inserts on either side, designed to hang the cabinet using the proper eyebolts.
Group D
A set of two M8 inserts on the rear, designed for the use of pull-back angling of the cabinet, or with a safety chain when using the other Groups A, B, and C, using the proper eyebolts.
Group E
A set of four M6 inserts on the rear, designed to be used with the Peavey Versamount 35 mounting ceiling and wall-mount bracket. These are spaced apart side-to-side on the centers by 76 mm, and apart 108 mm top-to-bottom on the centers, and the group of four is located centered on the rear side-to-side, and just below the handle.
Group F
The M8 inserts at the center of the U-Bracket mounting plates on the top and bottom, normally used for the U-Bracket retention, but can be used for safety chain/wire rope if necessary, or as an additional eyebolt fly point.
For Group A, B, and C, always use the inserts at a minimum as a pair; NEVER use just one insert to fly a cabinet! Group D can use just one for pull-back, or for safety wire/chain attachment, as long as there are two other eyebolts on a given cabinet wall used for primary suspension points.
For Group E, always use all four inserts of a given group as a set; NEVER use just one insert to fly a cabinet! The four insert groupings are meant to have all four inserts used at once within group E.
For Group F, always use both inserts with the appropriate hardware to mount a model specific Crest Audio U-Bracket. These inserts can also be used, if necessary, as safety points for a chain or rope attachment point when other mounting methods are being used.
Specifications for insert mating hardware
Group A, B, C, and Group D should use an M8 forged steel shoulder-type lifting eyebolt, which meets the requirements of DIN 580 or ASTM A489, or whatever local, provincial or national suspension ordinances or regulations may additionally require. They should at a minimum be used in pairs for the primary suspension points, and in conjunction with a pull-back/aiming adjustment point insert, using M8 eyebolts of a similar specification. The length of the threaded shank on the eyebolts should not exceed 20 mm (approximately 3/4"), so that it does not engage the interior of the cabinet's sound absorbing lining. Thread pitch: 1.25 mm per thread.
Group E should use an M6, grade 8.8 or better, 1.0 mm per thread, metric bolt, that does not penetrate the cabinet past the cabinet surface more than 20 mm (approximately 3/4"). When using a Peavey Versamount 35 mounting bracket and lockwasher, the length of the bolt should not exceed 30 mm (approximately 1.125").
Group F should use the supplied knob-head bolts, OR an M8, grade 8.8 or better, 1.25 mm per thread, metric bolt, that does not penetrate the cabinet past the cabinet surface more than 20 mm (approximately 3/4").
Notes on specific mounting methods using optional accessories
Mounting Method 1 - U-Bracket
Use the large handled knob-headed bolts to mate the U-Bracket to the cabinet, placing lockwashers between the bracket and bolt. See diagram above. Determine the angle that the cabinet needs to be relative to the U-Bracket, and position the cabinet to that angle, and screw-in a small handle knob-headed bolt through the threaded angle-set hole in the bracket into one of the 24 angle location holes on the cabinet. Use the hole nearest the angle desired.
For permanent installation, the large handled knob-headed bolts can be substituted for with hex head bolts by using the specifications above (Group F). It is then recommended that thread-locker be used. Using hex head bolts with thread-locker will remove the possibility for someone to attempt to unscrew the knob-headed bolts by hand to vandalize or otherwise alter the cabinets mounting.
If using the U-Bracket with the cabinet pointing straight out (bracket rear parallel to the rear of the cabinet), then use of the NL-4 twist-lock connection is best made before locking the angle into place and using thread-locker. Offset the cabinet till the NL-4 jack clears the bracket, and plug it up, then rotate the cabinet into the final position, etc.
Mounting Method 2 - Peavey Versamount 35
Instructions for use are included with the Peavey Versamount 35, and for permanent installation, once the angles have been finalized, use thread-locker on the four mounting bolts with lockwashers. The bolts for this method are Group E.
Mounting Method 3 - Pole Mount Adapter
This adapter allows use of the cabinet with a speaker stand (also referred to as a tripod stand) for temporary portable use. It is designed for use with a standard 1 3/8" (35 mm) diameter stand pole. This adapter is only provided for use with the stand pole that is aligned basically straight up, no tilt should be present, or this could cause an unsafe situation.
Install the adapter by threading it into the center insert of the mounting plate on the bottom of the CPL+ cabinet. At some point, the adapter will no longer screw in any further. Then, find the nearest threaded hole on the adapter mounting plate that line's up with one of the 24 holes on the cabinet mounting plate (it may be necessary to back off the adapter slightly to line the holes up), and screw in one of the knob-headed bolts supplied with the adapter. Two of the knob-headed bolts are provided, but only one needs to be screwed into position for the best fit of the adapter, the other is provided as a spare.
Loosen the pole tightening knob till the threads clear the inside of the pole tunnel of the adapter, and place the cabinet onto the stand pole, then tighten the pole tightening knob firmly once the speaker is aimed horizontally as desired.
DO NOT TILT THE STAND/POLE TO TRY AND AIM THE CABINET VERTICALLY, THIS TYPE OF USE OF THE STAND POLE ADAPTER MOUNT IS NOT ALLOWED!
When using stands or poles, be sure to follow these precautions:
Check the stand or pole specs to make sure that it can support the weight of the CPL+ model, and observe all safety precautions stated by the stand manufacturer, including the maximum height and/or weight the stand is rated for.
Always place the stand on a flat, level and stable surface, and be sure to fully extend the stand legs as per the stand manufacturer's instructions.
Try to make sure that the stand legs are oriented for the least danger of tripping to those in the vicinity of the stand. Never block a doorway or hallway with the legs of a stand.
Try to route cables so that people will not trip over them, or tip the speaker over. Use of duct tape, cable channels or guards, or other appropriate tie-down/cover-up devices should be carefully considered and implemented.
When installing or de-installing the speaker on the stand, it is a good practice to have a helper if possible. It can be hard to “thread the needle” and mate the stand cup to the stand pole while holding the CPL+ speaker system at arm's length. It is also helpful if someone holds the speaker stand and pole down while the CPL+ speaker system is removed from the stand pole, this prevents the CPL+ speaker from pulling the pole up with it.
When using stands outdoors, never attach banners or flags to the stands or the CPL+ speaker system, strong winds may cause the speaker to blow over. If there is a possibility of windy conditions, then it may be prudent to consider weighting or locking down the stand legs to prevent the CPL+ speaker system from being blown over.
Use of the CPL+ Pole Mount Adapter with a subwoofer and associated pole:
Always be sure to place the subwoofer used in this manner on a flat, level and stable surface. Follow the manufacturer's instructions regarding how high the pole can be for a given size and weight of cabinet on top. Many of the precautions mentioned above for speaker stands will also apply to this type of use.
CPL+ Series Input & Loop Through Schematics

flowchart
graph TD
subgraph_Input_Cup["Input Cup"]
A["4-pin twist-lock"] --> B["IN / THRU"]
A --> C["LOOP THRU"]
B --> D["1+"]
B --> E["1-"]
C --> F["2+"]
C --> G["2-"]
end
subgraph X_Over &Speakers["X-Over & Speakers"]
H["X-Over"] --> I["HF"]
J["X-Over"] --> K["LF"]
L["X-Over"] --> M["HF"]
N["X-Over"] --> O["LF"]
end
style Input_Cup fill:#f9f,stroke:#333
style X_Over &Speakers fill:#ccf,stroke:#333
CPL+ Series Loop Through System Schematics

flowchart
graph TD
subgraph Speaker_n#_1["Speaker #1"]
A1["1+"] --> B1["1-"]
A2["1-"] --> B2["2+"]
A3["1-"] --> B3["2-"]
A4["1-"] --> B4["2+"]
A5["1-"] --> B5["2-"]
A6["1-"] --> B6["2+"]
A7["1-"] --> B7["2-"]
A8["1-"] --> B8["2+"]
A9["1-"] --> B9["2-"]
A10["1+"] --> B10["1+"]
A11["1+"] --> B11["1-"]
A12["1+"] --> B12["2+"]
A13["1+"] --> B13["2-"]
A14["1+"] --> B14["2+"]
A15["1+"] --> B15["2-"]
A16["1+"] --> B16["2+"]
A17["1+"] --> B17["2-"]
A18["1+"] --> B18["2+"]
A19["1+"] --> B19["2-"]
A20["1+"] --> B20["2+"]
A21["1+"] --> B21["2-"]
A22["1+"] --> B22["2+"]
A23["1+"] --> B23["2-"]
A24["1+"] --> B24["2+"]
A25["1+"] --> B25["2-"]
A26["1+"] --> B26["2+"]
A27["1+"] --> B27["2-"]
A28["1+"] --> B28["2+"]
A29["1+"] --> B29["2-"]
A30["1+"] --> B30["2+"]
A31["1+"] --> B31["2-"]
A32["1+"] --> B32["2+"]
A33["1+"] --> B33["2-"]
A34["1+"] --> B34["2+"]
A35["1+"] --> B35["2-"]
A36["1+"] --> B36["2+"]
A37["1+"] --> B37["2-"]
A38["1+"] --> B38["2+"]
A39["1+"] --> B39["2-"]
A40["1+"] --> B40["2+"]
A41["1+"] --> B41["2-"]
A42["1+"] --> B42["2+"]
A43["1+"] --> B43["2-"]
A44["1+"] --> B44["2+"]
A45["1+"] --> B45["2-"]
A46["1+"] --> B46["2+"]
A47["1+"] --> B47["2-"]
A48["1+"] --> B48["2+"]
A49["1+"] --> B49["2-"]
A50["1+"] --> B50["2+"]
A51["1+"] --> B51["2-"]
A52["1+"] --> B52["2+"]
A53["1+"] --> B53["2-"]
A54["1+"] --> B54["2+"]
A55["1+"] --> B55["2-"]
A56["1+"] --> B56["2+"]
A57["1+"] --> B57["2-"]
A58["1+"] --> B58["2+"]
A59["1+"] --> B59["2-"]
A60["1+"] --> B60["2+"]
A61["1+"] --> B61["2-"]
A62["1+"] --> B62["2+"]
A63["1+"] --> B63["2-"]
A64["1+"] --> B64["2+"]
A65["1+"] --> B65["2-"]
A66["1+"] --> B66["2+"]
A67["1+"] --> B67["2-"]
A68["1+"] --> B68["2+"]
A69["1+"] --> B69["2-"]
A70["1+"] --> B70["2+"]
A71["1+"] --> B71["2-"]
A72["1+"] --> B72["2+"]
A73["1+"] --> B73["2-"]
A74["1+"] --> B74["2+"]
A75["1+"] --> B75["2-"]
A76["1+"] --> B76["2+"]
A77["1+"] --> B77["2-"]
A78["1+"] --> B78["2+"]
A79["1+"] --> B79["2-"]
A80["1+"] --> B80["2+"]
A81["1+"] --> B81["2-"]
A82["1+"] --> B82["2+"]
A83["1+"] --> B83["2-"]
A84["1+"] --> B84["2+"]
A85["1+"] --> B85["2-"]
A86["1+"] --> B86["2+"]
A87["1+"] --> B87["2-"]
A88["1+"] --> B88["2+"]
A89["1+"] --> B89["2-"]
A90["1+"] --> B90["2+"]
A91["1+"] --> B91["2-"]
A92["1+"] --> B92["2+"]
A93["1+"] --> B93["2-"]
A94["1+"] --> B94["2+"]
A95["1+"] --> B95["2-"]
A96["1+"] --> B96["2+"]
A97["1+"] --> B97["2-"]
A98["1+"] --> B98["2+"]
A99["1+"] --> B99["2-"]
end
subgraph_Signal_Changer_Adapter_Cable["Signal Changer Adapter Cable<br> 2+, --> 1, 2-, --> 1- "]
end
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"]<-->|No| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n#_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n##_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n##_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|Yes| Poweram_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|Yes| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Speaker_n#_n"] <-->|No| Poweramp_Combination_Outlet
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Speaker_n##_n_minus_["Sensor_cable_"]
Marker_A fill:#f9f,stroke:#333
Marker_B fill:#f9f,stroke:#333
Marker_C fill:#f9f,stroke:#333
Marker_D fill:#f9f,stroke:#333
Marker_E fill:#f9f,stroke:#333
Marker_F fill:#f9f,stroke:#333
Marker_G fill:#f9f,stroke:#333
Marker_H fill:#f9f,stroke:#333
Marker_I fill:#f9f,stroke:#333
Marker_J fill:#f9f,stroke:#333
Marker_K fill:#f9f,stroke:#333
Marker_L fill:#f9f,stroke:#333
Marker_M fill:#f9f,stroke:#333
Marker_N fill:#f9f,stroke:#333
Marker_O fill:#f9f,stroke:#333
Marker_P fill:#f9f,stroke:#333
Marker_Q fill:#f9f,stroke:#333
Marker_R fill:#f9f,stroke:#333
Marker_S fill:#f9f,stroke:#333
Marker_T fill:#f9f,stroke:#333
Marker_U fill:#f9f,stroke:#333
Marker_V fill:#f9f,stroke:#333
Marker_W fill:#f9f,stroke:#333
Marker_Z fill:#f9f,stroke:#333
Marker_A fill:#f9f,stroke:#333
Marker_A_bar fill:#ccff,stroke:#333
Marker_A-A_bar fill:#ccff,stroke:#333
Unit: mm






The compact loudspeaker shall consist of a 10 inch (250 mm) low frequency transducer with 2.5 inch (65 mm) voice coil and a 1 inch (25.4 mm) exit compression driver with a 1.4 inch (36 mm) voice coil and a frequency dividing network installed within the enclosure.
Performance specifications of a typical production unit shall be: Measured sensitivity SPL at 1 m (3.3ft) with 2.83V input, shall be 96 dB-SPL. Usable frequency response shall extend from 51 Hz to 20 kHz (10 dB below rated sensitivity, in full space, with no external equalization). Nominal impedance shall be 8 Ohms. Rated power capacity shall be at least 300 Watts continuous power and 1200 Watts peak power, defined as 6 dB above a test signal of filtered random noise.
The system shall be protected against damage from occasional over-powering limiting the power to the network and transducers. The compression driver shall be capable of even coverage at a nominal 90^ horizontal through 60^ vertical distributed pattern. The horn shall be rotatable.
The enclosure shall be constructed from prime-grade 15 mm plywood. The loudspeaker shall be equipped with a total of sixteen (16) suspension points. The grille shall be of heavy-duty steel backed with acoustically transparent foam. The external wiring shall be via either two 4-pin twist-lock or one 4-pin Euroblock connectors. The loudspeaker shall be 20.87 inches (530 mm) high by 12.56 inches (319 mm) wide by 13.39 inches (340 mm) deep weighing 33 pounds (15 kg). The finish shall be a paintable lightly textured black or white.
The compact loudspeaker shall be the Crest Audio CPL 10^+ .
Frequency Response

line
| Frequency (Hz) | Sensitivity (dB) | | -------------- | ---------------- | | 20 | 70 | | 30 | 75 | | 40 | 80 | | 50 | 85 | | 60 | 90 | | 70 | 91 | | 80 | 94 | | 90 | 95 | | 100 | 95 | | 200 | 96 | | 300 | 96 | | 400 | 96 | | 500 | 97 | | 600 | 97 | | 700 | 96 | | 800 | 95 | | 900 | 96 | | 1000 | 97 | | 2000 | 96 | | 3000 | 91 | | 4000 | 94 | | 5000 | 96 | | 6000 | 95 | | 7000 | 95 | | 8000 | 95 | | 9000 | 95 | | 10000 | 95 | | 20000 | 95 |Impedance

line
| Frequency (Hz) | Ohms | | -------------- | ---- | | 10 | 6 | | 20 | 8 | | 30 | 20 | | 35 | 35 | | 40 | 15 | | 50 | 7 | | 70 | 10 | | 90 | 48 | | 100 | 50 | | 200 | 6 | | 300 | 7 | | 500 | 8 | | 700 | 8 | | 1000 | 7 | | 2000 | 10 | | 3000 | 25 | | 4000 | 44 | | 5000 | 25 | | 7000 | 15 | | 10000 | 10 | | 20000 | 7 |
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Features and specifications subject to change without notice.
Crest Audio 5022 HWY 493 N. Meridian, MS 39305 (601) 483-5365 FAX (601) 486-1278

Logo referenced in Directive 2002/96/EC Annex IV (OJ(L)37/38,13.02.03 and defined in EN 50419: 2005
The bar is the symbol for marking of new waste and is applied only to equipment manufactured after 13 August 2005