Proficient Audio Systems Proficient C645 user manual

Summary of the content on the page No. 1

Audio Systems
OWNER’S MANUAL
CEILING SPEAKERS
C500 • C605 • C610 • C620 • C640
C645 • C790 • C800 • C850
SPEAKER PLACEMENT
Before installing your speakers, you should consider their Note: To avoid possible damage to the pivoting tweeters, read the
placement carefully, taking into account the location of section entitled “SPEAKER ADJUSTMENTS” in this manual prior to
electrical, plumbing and other fixtures. Contact your Dealer performing the tweeter adjustment.
for assistance if you are un

Summary of the content on the page No. 2

SPEAKER ADJUSTMENTS The Ceiling Series speakers come from the factory with the Tweeter  Adjustment  (C640, C645, C800, & C850): tweeter facing straight out from the baffle. This will result The switch labeled TREBLE allows for 3dB of treble adjustment. in the overall smoothest response. However, depending on Your speakers were shipped with the treble switch in the “–” your particular primary listening area, room acoustics, ceiling position, providing the most linear frequency response. If you

Summary of the content on the page No. 3

SPEAKER  SPECIFICATIONS C500  C605  C610            Speaker Type: 2-Way Coaxial In-Ceiling 2-Way Coaxial In-Ceiling 2-Way Coaxial In-Ceiling Tweeter: Pivoting 1/2 " Polyamide Dome 3/4 " Soft Dome Pivoting 1" Soft Dome Woofer: 5 1/4 " Polypropylene Cone 6 1/2 " Polypropylene Cone 6 1/2 " Polypropylene Cone with Rubber Surround with Rubber Surround with Rubber Surround Impedance: 8 Ω 8 Ω 8 Ω Sensitivity: 90dB 1W/1m 90dB 1W/1m 91dB 1W/1m Contour Switches: – – –

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LIMITED  TEN-YEAR  WARRANTY Proficient Audio Systems warrants to the original retail pur- This Warranty does not include service or parts to repair dam- chaser only that this product will be free from defects in age caused by accident, disaster, misuse, abuse, negligence, materials and workmanship for a period of ten years, provided inadequate packing or shipping procedures, commercial use, the speaker was purchased from a Proficient Audio Systems voltage inputs in excess of the rated maximum