Bose Pace 6 Manual
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31 System electronics power The power switch is off Turn on power switch. LED does not light The power cord is loose, Correct the power cord problem. not installed, or defective The circuit breaker handling Turn off the power switch and reset the circuit breaker. If the this AC outlet has tripped breaker trips again, there is a problem in the building wiring, or other loads plugged into the same circuit. Call an electrician. If the breaker does not trip, turn on the system electronics. If the circuit breaker trips again, the total load on this circuit may be excessive. Or, the system electronics may be defective. Test the system electronics on another circuit known to not be fully loaded. One of the internal fuses Refer the problem to an authorized service agent. It is not user- has blown serviceable. No output from loudspeaker The power amplifier “no load” If the system electronics are powered up with no loudspeakers Out L and/or R protection has been activated connected, the no load protection will shut down the amplifiers and keep them down even if the loudspeakers are later con- nected. Make sure that the loudspeakers are properly connected to the system electronics. Turn the AC mains off and back on again. The potentiometer wires going Confirm this by disconnecting the remote volume control wire at to the remote control have been the system. The system should operate at full volume. shorted Check for wire whiskers at the connector or in the remote control or for a defective wire. Repair the short. Paging is not audible in The Page Enable switches Set the switches to enable paging. the loudspeakers (block 5) are set to off The Page Trigger Level Turn the Page Trigger Level to the right to increase the sensitivity. (block 3) is turned too far down The Page Mix Trim (block 4) Turn it to the right and adjust for the correct paging level. is turned too far down The volume is at full and The wiring to the Remote Locate and correct the problem. does not respond to the Volume control has been cut or Remote Volume control has fallen out of place at one end, or the potentiometer in the remote control has broken Symptom Possible Cause Remedy Troubleshooting English
32 The loudspeakers go silent The amplifiers are shutting Check that the installation permits adequate air flow around the after a half hour or so of down from thermal overload system electronics and correct if it does not. operation Feed back during paging There is too much gain for Reduce the gain with the Page Source Gain Trim or the Page from a microphone the paging signal Source Gain Switch (block 1). If using the Opti-voice ® compressor, try disabling it (block 2). Page mic is too near one Relocate the loudspeaker nearest to the page mic or relocate of the loudspeakers the page mic. Change the page microphone to a type with a more directional (cardioid) pickup pattern and orient it away from the direction of the nearest loudspeaker. The Opti-voice compressor The gain in block 1 has Reduce the gain in block 1 until the LED no longer flashes red LED (block 2) flashes red been set too high even with the loudest paging signal. sometimes Quiet passages of music The Music Compressor has Enable the Music Compressor (block 7). hard to hear not been enabled The Music A or B Source Turn the appropriate Music Source Trim control (block 6) to the Trim has been set too low right until the Music Compressor LED glows green. Back off the adjustment if the LED turns red. The Music Compressor LED The gain in block 6 has Reduce the gain in block 6 until the LED no longer flashes red flashes red sometimes been set too high even with the loudest musical source. There is not enough bass One or more loudspeakers are Check that all loudspeakers are in phase. or “something funny” out of phase about the sound in one listening region The installation is a dual mono The phase of the loudspeaker output is inverted when paging is one, where paging is enabled enabled (180º phase reversal). Relocate one or both loud- in one zone but not in the other. speakers to avoid an overlap zone. At least one loudspeaker in each zone is covering the same listening area and there is bass cancellation and/or comb filtering effects Loudspeakers are placed within See Section 3.2.1 of the Bose ® FreeSpace® 6 Business Music 31/2 feet (1 m) of a wall or walls,System Installer’s Guide. causing bass cancellation The Bass Control (block 12) Turn the Bass Control up. has been turned down Symptom Possible Cause Remedy Troubleshooting English
33 Electrical specifications System electronics • Input sensitivity: 200mV (music input), 200µV (page input) • Power output: 16W into 2Ω load • Power requirements: 120V or 220-240V ~ 50/60Hz • Maximum power consumption: 140W • Remote volume control value: 10kΩ, Audio taper • Music input impedance, channel A: Balanced: 32kΩ, Unbalanced: 11kΩ • Music input impedance, channel B: Unbalanced: 10kΩ • Page input impedance: Balanced: 9kΩ, Unbalanced: 1kΩ • Page and line output impedance: 400Ω • Page gain: 0dB to 80dB adjustable • Frequency range: 80Hz – 16kHz • Noise (line in to loudspeaker outputs): 20Hz – 20kHz bandwidth; -50dBV at 20dB gain into a 2Ω load • Noise (line in to line outputs): 20Hz – 20kHz bandwidth; -65dBV at 20dB gain into a 10kΩ load • Frequency response: 20Hz – 20kHz, ±1dB, referenced to 1kHz at line outputs • Opti-voice ® paging circuitry: voice band equalization for maximum speech intelligibility, AGC circuit for automatic compensation of varying input levels, gradual return of music to original level after page Mechanical specifications System electronics • Dimensions: 4 inch (H) x 7.5 inch (W) x 15 inch (D) (10.16 cm x 19.05 cm x 38.10 cm) • Weight: 11.3 lb (5.14 kg) Flush-mount loudspeakers • Dimensions: 10.42 inch (H) x 10.87 inch (W) x 6.5 inch (D) (26.47 cm x 27.61 cm x 16.51 cm) • Weight: 4.2 lb (1.9 kg) installed with mounting hardware • Finish: Front baffle – Arctic white polymer Rear enclosure – aluminum Grille – vandal resistant, expandable metal mesh Surface-mount loudspeakers • Dimensions: 3.3 inch (H) x 7.6 inch (W) x 6.4 inch (D) (8.38 cm x 19.30 cm x 16.33 cm) • Weight: 2.5 lb (1.2 kg) installed with mounting hardware • Finish: Front baffle – Arctic white or Pro grey polymer Rear enclosure – Arctic white or Pro grey polymer Grille – vandal resistant, expandable metal mesh Specifications English
34 Acoustic specifications Flush-mount loudspeakers • Sensitivity: 85dB-SPL 1W @ 1m, maximum 94dB-SPL 8W @ 1m • Impedance: 4Ω nominal • Power handling: 8W • Bandwidth: 80Hz-15kHz • Beamwidth (average over 1-4kHz): 150° @ -6dB Surface-mount loudspeakers • Sensitivity: 85dB-SPL 1W @ 1m, maximum 94dB-SPL 8W @ 1m • Impedance: 4Ω nominal • Power handling: 8W • Bandwidth: 80Hz-15kHz • Beamwidth (average over 1-4kHz): 150° @ -6dB Specifications English
35 ® 10.87" 276.1 mm 10.42" 264.7 mm 6.28" 159.5 mm 5.60" 142.2 mm .77" 19.6 mm 6.02" 152.9 mm Minus “T” T Specifications Flush-mount loudspeaker dimensions English
36 Specifications Surface-mount loudspeaker dimensions English
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©1996 Bose Corporation Covered by patent rights issued and/or pending. JN96511 PN180090 Rev. 2 2/96