added continuous power with higher voltages (see chart below.The two major advantages of the unregulated power supply are: Like the rest of the REFERENCE amplifiers from Soundstream, the Reference705s is rated at 12 volts but is designed to take advantage of the additional voltage available when the vehicle is running. REFERENCE POWER SUPPLY DESIGN The Reference705s employs an extremely efficient unregulated pulse - width modulated power supply. Crossover Adjustment Pots - for the internal high pass fil Input Level - Subwoofer channel level control. Low Pass Crossover Adjustment Pot - pass filter. High Current LED - Indicates amplifier power on in "High Current" mode. Flexible Input Sensitivity accepts voltages from 200 mV (80 mV on the subwoofer channel) to 5.0 V, which permits maximum output from the amplifier with virtually any source.Drive Delay Muted Turn-on/off Circuit - A unique circuit which completely eliminates amplifier - related turn - on/off noises.Six Dual Discrete Class A Drive Stages - Over six times the drive current of most amps, which guarantees maximum performance into any load.High Power/High Current Capability (subwoofer channel only) - Soundstream’s exclusive circuitry permits customization of your amplifier to its particular applicat ion - High Current, for ultra - low impedance loads (multiple subwoofers, less than 1 ohm) or High Power, for hīe stable into any impedance, down to 1/2 ohm.Uncompromising Design and Construction including mil - spec glass epoxy circuit boards and high current custom gold - plated solid brass connections that will accept up t o 4 gauge power/ground wire.9 Selecting Crossover ModesĭESIGN FEATURES Soundstream amplifiers are the result of American Please retain this manual and your sales and installation receipts f or future reference. To maximize the performance of your system, we recommend that you thorou ghly acquaint yourself with its capabilities and features. Your Soundstream REFERENCE amplifier will outperform any other amplifier in the world. This one is in absolute mint condition for its age with very very minor hair line scratches hardly noticeable it is used, 2 of the rubber grommets are missing for the dipswitches for the xover controlls other then that its a 8.5/10 almost a 9 imo.Īll 5 channels work flawlessly, Loads of options for fine tuning see manual.Īsking 375.00 + shipping Trades, Looking for any Old School Phoenix Gold Must be in 8/10 cosmedic and 10/10 working condition.Īlso please read the online PDF for anymore questions there is a ton of information to be gained I also have the orignal manual as well. Probably one of the hardest to find Soundstream amplifiers to this day it still holds high value. If you want SQ here it is all 5 channels of it. Soundstream Reference 705s 5/3 channel Class A amplifier. Putting this out there, was used for a short amount of time from the orignal owner back in the late 90's then stored away.
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