Input Protection Overload. ⢠Euroblock ... For line distribution transformers ..........Rolloff. 18 ... An independent indicator lights when the SOA protection circuit is ...
General Description The Rane Model MA 6S Multichannel Amplifier supplies six completely independent amplifier Channels in one 3-space rack-mount unit. Each Channel delivers 100 Watts RMS into an eight ohm load, or 150 Watts each into a four ohm load. Adjacent pairs of Channels (1&2, 3&4, 5&6) operate bridged to provide 300 Watts into an eight ohm load. Each Channel of the MA 6S includes an input Voltage Controlled Attenuator (VCA). This carefully designed VCA prevents clipping at the output of the amplifier for any load for up to 15 dB of input overdrive. This VCA provides additional headroom to each Channel, making the 100 watt ratings effectively much higher, and the results much louder.
All Channels of the MA 6S are completely independent. Each is contained on its own circuit board making it immune to the actions of any other Channel. Power is distributed to each Channel from one master high current power supply, however the power supply is designed so that signal may not back-feed from a heavily loaded Channel to any other Channel. This makes power supply cross talk between Channels inaudible. The heavy gauge all-steel construction of the MA 6S offers a high level of mechanical integrity, even when the amplifier is rack-mounted and unsupported in the rear. As an added benefit, mounting holes are provided on the side rails so the amplifier may be supported from the back.
Euroblock Connectors 80 Hz High Pass Filter Option Ready, Safe Operating Area (SOA), & Clip Limit Indicators Quiet Variable Speed Fan High Current Power Supply UL Listed / CSA Certified / Meets CE Requirements
Data Sheet-1
MA 6S MULTICHANNEL AMPLIFIER Parameter Power Output
Inputs: Type ..........Connectors ..........Impedance ..........Maximum Level ..........Sensitivity Outputs: Type ..........Connectors ..........Damping Factor ..........Load On/Off Transient Muting
Fan Cooling Heat Dissapation
Specification
Limit
Units
100 150 300 Active Balanced/Unbalanced Euroblock 20k +20 Off to 0 dBu (Adjustable) Direct Coupled Euroblock 300 4 8 Yes, Output Relays
Subsonic Filter Option ..........Rolloff Frequency Response THD+Noise IM Distortion (SMPTE) Signal-to-Noise Ratio Crosstalk Limiter: Type ..........Range ..........Attack Time Constant ..........Decay Time Constant ..........Detection Maximum Power Unit: Agency Listing ..........120 VAC model
..........230 VAC model Unit: Construction ..........Size ..........Weight Shipping: Size ..........Weight Note: 0 dBu=0.775 Vrms
Data Sheet-2
UL cUL (Canada) CE-EMC Cert. EN55013, EN55020 CE-Safety Cert. EN60065 All Steel 5.25"H x 19"W x 11.5"D (3U) 33 lb 11" x 23" x 16" 38 lb
Conditions/Comments All channels driven, 20-20 kHz (6) 8 ohm loads (6) 4 ohm loads (3) bridged pairs into 8 ohms Accepts 22 to 12 AWG wire Minimum each leg to ground Input required for rated power output
10% 1 kHz min ohms Single channel operation min ohms Bridged operation Activate approximately 3 seconds after power is applied; drop out immediately after turn-off; drop out with DC or large infrasonic signals. Intake rear; exhaust front typ “0” power typ 1 kHz, 100 W x 6 @ 8 ohms typ 1 kHz, 33 W x 6 @ 8 ohms typ Pink noise, 10 W x 6 @ 8 ohms .5 THD Attenuates input to maintain
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