SD-250 Specifications: SD-250 Input Impedance Bridged Mono Power @ < 1 % THD Enclosure - material Enclosure - description Height (SM = Height) Diameter (SM = Width) Weight © 2016 - 2017 SolidDrive All rights reserved. SD-250 Amplifier Mounting hardware included 47 kohm 90 watts (4 ohms) Aluminum Rugged aluminum housing 30.5 mm / 1.2 in 99.1 mm / 3.9 in .26 kg / .56 lbs SD-250 Description 34 dB maximum gain with 2 x 50 watt output. Three operating modes: stereo, mono or bridged mono. Three SolidDrive EQ settings for drywall, wood and glass, plus a full-range flat option (no EQ). Three user selectable inputs: balanced stereo euroblock, stereo unbalanced mini jack, or high level euroblock. External 12-32 V trigger. Signal detecting auto standby to conserve energy. Dual concentric gain controls for independent channel control. 20 Hz- 20 kHz frequency response. Rugged aluminum housing. Applications Small, powerful and costeffective, the SD-250 is engineered for external amplification with SolidDrive and other high-fidelity speakers. Additional applications include digital signage, education, point of purchase, museums, surgical centers, AV carts or any application where a small amplifier is needed to boost a limited source output (e.g., computers, A/V projectors, etc.). © 2016 - 2017 SolidDrive All rights reserved. SD-250 Amplifier Patented SolidDrive Technologies SolidDrive and MSE Audio Group constantly develop new technologies that enhance audio product performance. SolidDrive innovations are protected by multiple U.S. and international patents, which explicitly cover SolidDrive dispersion, enclosure and dome technologies. MSE Audio Group actively defends its patents in order to protect SolidDrive resellers and end users. Technical Data and Specification Tools Technical Data SolidDrive strives to provide complete and effective technical information and data to dealers, engineers and designers. All data are available from SoundTube Entertainment or at www.soundtube.com. Technical data and downloads include: EASE™ data – 3-D polar plots. EASE™ Address – 2-D modeling for distributed systems Autodesk® Revit® software Tech Sheets – Technical information and architectural specs for system engineers SoundTubeSPEC™ – Proprietary speaker placement software Data Acquisition and Verification All data for SolidDrive speakers are independently collected from and verified by NWAA Labs (www.nwaalabs. com) using their proprietary MACH testing system. All data are collected and analyzed according to ASTM, ISO and AES standards using EASRA, TEF and MLSSA. Full balloon data including both phase and magnitude are compiled into a variety of formats including EASE 4.x, GLL and CLF. Preliminary Technical Information •34 dB maximum gain with 2 x 50 watt output. •Three operating modes: stereo, mono or bridged mono •Three SolidDrive EQ settings for drywall, wood and glass, plus a full-range flat option (no EQ). •Three user selectable inputs: balanced stereo euroblock, stereo unbalanced mini jack, or high level euroblock. •External 12-32 V trigger •Signal detecting auto standby to conserve energy SD-250 •Dual concentric gain controls for independent channel control •20 Hz- 20 kHz frequency response •Small size- 1.2″ x 3.9″ x 4″ •Rugged aluminum housing •Optional Accessories: rack mount adapter kit (AC-SD-250RMA) Architectural Specifications The amplifier shall be a 50watt per channel (8 ohm) Class D amplifier. The amplifier shall provide three inputs including a balanced stereo euroblock, unbalanced line level mini jack, and a stereo speaker level (amplified) euroblock input for applications with low wattage speaker outputs. The SD-250 also includes a variable 34 dB maximum gain control. The amplifier shall provide three operating modes including stereo, dual mono, or bridged mono. Performance specifications of a typical production unit shall be as follows: 50 watts per channel (20 Hz – 20 kHz, 8 ohm, stereo) or 65 watts per channel (20 Hz – 20 kHz, 4 ohm stereo) at >1% THD. Three preset EQ settings allow the SD-250 to work with an SD1 speaker in drywall, glass and wood © 2016 - 2017 SolidDrive All rights reserved. SD-250 Amplifier applications. The SD-250 also has a full-range option with no EQ setting. The external wiring output connector shall be a Euroblock connector that accepts from 10 – 22-gauge wire. The power input shall either be by three pin Euroblock that accepts from 10 - 22-gauge wire or barrel connection. The system shall be for indoor applications. The enclosure shall be constructed of extruded aluminum with integrated heat-sink. Overall chassis dimensions shall be no more than 30.5 mm (1.2 in.) in height by 99.1 mm (3.9 in.) in width and 101.6 mm (4.0 in.) in depth. The system shall include the amplifier, pole/surface mount adapter, power supply, stereo RCA female to mini male adapter, two male 4-pin euroblock connectors and two 3-pin eurblock connectors. The system shall be the SD-250 for amplification. SolidDrive 8005 W. 110th St. / Suite 208 Overland Park, KS 66210 Phone 913.663.5600 Fax Toll Free 855.663.5600 http://soliddrive.mseaudio.com All SolidDrive products come with a 5-year limited warranty. SD-250 SD-250 Amplifier Mechanical Drawings Optional Accessories Rack Mount Adapter (AC-SD-250-RMA) SolidDrive manufactures a complete line of speakers for: Open-Ceiling • In-Ceiling • Surface-Mount • Outdoor • Sound-Focusing All SoundTube products are designed and engineered in the USA.