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KNOLL MA850 50W RMS, 8-CHANNEL MULTIROOM AMPLIFIER
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MA850
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A/V DISTRIBUTION
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Retail Price: $899.00
Thunder AV Price: $494.98
You Save: $404.02 (45 %)
Detailed Description
The MA850 is the third generation of an amplifier with legendary reliability. Eight and twelve channel amplifiers have been built by Knolll Systems in Canada for over 10 years. The MA850 heraldes a new era in multi-channel, high-quality, affordable power amplifiers. The MA850 is designed to meet the amplifier needs of custom installed multi-zone systems where high quality sound is a specific requirement.
Extras such as the external voltage trigger that can turn the MA850 on and off, gold input connectors, individual level or gain controls and channel link give the MA850 exceptional value when installed in large complex systems. Except for the power switch all controls are rear mounted.
Cost and size efficiency. The MA850 consists of a total of 8 power amplifiers in one 3-1/2" high enclosure (two rack spaces). Each power amplifier channel can deliver 50 watts RMS with peaks of 100 watts. Because of its unique design the MA850 delivers exceptional value.
Automatic protection circuitry. Each MA850 channel is individually and fully protected against low impedance, overheating, overloading, overvoltage and undervoltage. The protection circuitry automatically restores the amplifier channel as soon as its parameter returns to the safe operating area.
Individual level or gain adjustment. Each channel features an input level or gain adjustment pot to precisely adjust each channel for source and speaker sensitivity variations. The gain adjustments are on the rear of the MA850 as installers normally set the gain.
External power on/off. The MA850 can be turned off and on by external controllers. To activate the external or remote on/off a DC 12 volt current is applied to the trigger jack (MA850 power switch is in the off position for external power control.
Channel link. Channel link allows the installer to link any or all of stereo channels two through six to channel one (left and right) without using Y cords or external adaptors. In certain applications this feature reduces installation time, costs and wire "clutter".
MA850 with internal fan. The MA850 features an even quieter internal fan to increase the long term power output capability of the MA850.
Specifications:
Inputs 8 Gold RCA jacks with adjustable gain
Input impedance 50k ohms
Outputs detachable 4 position plugs (fits 12 g wire)
Output power 50 watts RMS per channel (8 ohms)
Peak output power 100 watts per channel (8 ohms)
Ideal impedance 4 - 8 ohms
Frequency response 10 Hz - 40 kHz +/- 1dB (1w)
S/N ratio over 105 dB A weighted (50 watts)
THD distortion less than 0.1% 20 Hz to 20 kHz
IMD distortion less than 0.01% 60 Hz 7 kHz 4:1 (SMPTE)
Trigger control 12 VDC 35mA on 3.5mm mono jack
Dimensions 17" x 3.5" x 11.5" (432 x 89 x 292mm)
Fan Noise quiet 26 dBA
Power 650 watts at 117 VAC or 230VAC
Weight 20 lbs (9 kg)
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