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The Baldwin 12-8-1500/2 were BLW's first serious attempt at a production road diesel locomotive.   Baldwin built the famous "Centipedes" between 1945-48.   The carbody rode on two enormous articulated half-frames that were linked at the middled with a hinged joint.  One unpowered four-wheel truck at each end guided the locomotive through curves and helped provide stability.  The Centipedes were huge - 91.5' feet long for single units as operated on SAL and NdM.  Semi-permanently coupled pairs, as operated on the PRR, were 183' long!   Each unit contained two 1500 horsepower diesel motors, so a pair contained four motors and totaled 6000 horsepower.  Centipedes were heavy, totaling 1,200,000 pounds (1.2 million) for a pair, with more than 800,000 of those pounds carried by the 16 drivers. In 1945, the prototype A1-A2 set toured American railroads and three railroads placed orders - PRR, SAL, and NdeM.   Union Pacific originally ordered two units, but never took delivery.  Unfortunately, the Centipedes did not last long in service.   PRR and SAL retired theirs by the early 1960's and NdeM followed in the late 60's.   The Centipedes were enormous, and maybe the most unique diesel locomotive design of the era, but they could not compete with the more capable EMD locomotives.    In our 2022 production of Centipedes, we are offering models in all of the prototypical paint schemes, including the Demonstrator scheme.   We are also offering two Union Pacific sets.  There has been a debate over the years about which road numbers the units would have been assigned, so we have built models painted for both 1600A/1601A and also 998/999.     Industry-leading Model Features:    Paragon4 Sound & Control System featuring ROLLING THUNDER Integral Dual-Mode Decoder with Back EMF for Superb Slow Speed Operation in DC and DCC Precision Drive Mechanism Engineered for Heavy Towing and Smooth Slow Speed Operation ABS Body with Die Cast Chassis for Maximum Tractive Effort Built-in Capacity Pack for Improved Electrical Pick-up Premium Caliber Painting Prototypically Accurate Paint Schemes and Road Numbers Many Separately Applied Details such as Handrails, Grab Irons, Horn, Bell, Wipers, and Etched Metal Grills Prototypical Light Operation Including Separately Controllable Headlight, Rear Light, Cab Light, and Numberboards Prototypically Accurate Sounds for the Baldwin Centipede Locomotive Metal Kadee-compatible Couplers (2) Will Operate on Code 70, Code 83, and Code 100 Rail Minimum Operating Radius:  22 inches     Broadway Limited Imports is proud to introduce Paragon4: The new benchmark for premium HO sound-equipped locomotives. These DC and DCC-Sound equipped locomotives feature the ALL-NEW Paragon4 sound and control system. Each Paragon4 locomotive comes with BLI's own integral DCC Decoder factory installed.  Paragon4 locomotives offer Dual Mode DC and DCC operation with superb back EMF motor control, improved DC motor control, built-in capacitor pack for more reliable electrical pick-up, industry best on-board sound with Rolling Thunder functionality, Pro Lighting Mode for prototypical light control, Switcher model for precise low speed control, recordable DCC operation for automated playback, and the same excellent detail level as Broadway Limited's Paragon3 Series models.    Paragon4 Sound & Control System Features: Operates in DC & DCC with improved DC speed control (use DCMaster for DC Sound) Built-In extra capacitance to navigate imperfect track Pro Lighting Mode offers individual control of all lights on model Switcher Mode for precise low speed control Record & Play Operation - Records and plays back sounds and movements once or repeatedly for automatic operation High Resolution Audio Quillable Horn for various whistle lengths and patterns Choice of 3 selectable Horns Alternate Whistle / Horn where applicable for locomotive with air horn and steam whistle - both the main whistle and alternate can be easily played Adjustable bell ringing interval for faster or slower bell Numerous user-mappable functions with available keys Multiple realistic passenger and crew sounds play on command Grade Crossing Automatic Signal Automatic Forward / Reverse Signal Prime Mover sound intensity varies with load Individually adjustable sound volumes for each effect EZ Reset Button for quick return to factory default settings **Specifications on this page subject to change.

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SurroundTraxx is a major breakthrough in sound systems for model trains! For the first time, a sound system has been designed with multiple trains in mind. SurroundTraxx gives you the realism of high-fidelity sound moving with the train as it travels about the layout, without installing speakers onboard the engine. SurroundTraxx works with a multiplicity of audio speakers that are strategically placed in hidden locations around the layout. Using the latest digital signal processing (DSP) technology and advanced block detection techniques, SurroundTraxx faithfully reproduces the sounds made by each train on the layout and directs the sound to the speaker closest to the train's location. As a train moves along its route, SurroundTraxx makes continuous adjustments to the sound level of each speaker so that the sound appears to follow the train around the layout. SurroundTraxx does not simply switch the sound from speaker to speaker. It uses an intelligent cross-fade algorithm that factors in train speed, direction, and distance between speakers. The sound makes a smooth transition as your train travels from one sound zone to the next without abrupt pops or thumps. DCC surround-sound system for your layout Suitable for all scales -- N through G! Sounds interact and “move” with your trains; no onboard speakers necessary Use with any 8-ohm speaker (or subwoofer for lower frequencies) Six sound channels support six different “sound zones” on your layout Simultaneous sound operations for up to six trains to be dispatched at once Memory storage for up to 99 locomotive profiles An extensive sound library to closely match all popular steam and diesel prototypes Ambient effects such as echo and reverb Download the data sheet (PDF) SurroundTraxx stores a roster of locomotive sound settings in a database called the Roundhouse. This is an extensive library that you can set up and adjust to match your model's prototype or to sound like your favorite horn or whistle, prime mover, or exhaust chuff. Each engine can have a unique sound profile! Once you have entered your locomotive roster into the Roundhouse, you can use the internal “dispatcher,” which allows up to six trains to be in operation at one time. SurroundTraxx can be set up to pick the first six locomotives detected, or you can assign these slots to the locomotives of your choice (perfect to make sure your favorite engine never goes silent!). These locomotive “slots” used by the dispatcher are called Auto Dispatch (AD) slots. After the trains have been dispatched, the block detector will identify the trains' locations, the speed they are traveling, and the point where they will cross into new blocks. SurroundTraxx uses this information to move the appropriate sounds to the corresponding sound channel (six are available) on the SurroundTraxx unit. SurroundTraxx uses an intelligent cross-fade algorithm that factors in train speed, direction, and distance between speakers. This reproduces the sound in such a way that it appears as though it is being emitted directly from the train rather than the speakers on the layout. The multiple trains running on the layout can all be in the same area or spread throughout the layout. SurroundTraxx will still dispatch and reproduce their respective sounds in full audio richness. It truly is a complete layout sound system with multiple trains and operating sessions in mind! Note: If using single-channel mode (default), the sound will feed through all six channels at once and does not follow the train. In order to set up the other modes of operation, you must use Digitrax® transponding block detection on your layout.  Included with SurroundTraxx: SurroundTraxx system 5V power supply Network cable Speaker harness for six sound channel outputs (6' sections of each) Quick Start Guide Owner’s Manual CD Customer registration card Additional items needed for operation: Up to six 8-ohm speakers Optional subwoofer The appropriate DCC mobile decoders equipped with transponding or a TL-1 transponder Digitrax DCC Command Station, cabs and power boosters Additional speaker wire if using a distance greater than 6’ Digitrax BDL-168 (or older BDL-162) Block Detectors Digitrax RX-4s (eight total)

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Get an easy upgrade for your Bachmann Sound Value diesel models with our newest Tsunami2 decoder! The TSU-BH1 offers 8 LED-friendly function outputs so resistors are not required for LEDs! (See the wiring diagrams under product documentation for more information). Light effects are fully remappable and offer full access to our 20+ HyperLight effects.This decoder is available in 3 sound profiles EMD, GE, and ALCO. For an easy install, simply replace the Sound Value decoder and enjoy all of the Tsunami2 features you love!This decoder is designed to replace the factory board in the following Bachmann Sound Value Diesel Models: FA-2, FB-2, S-4, E7-A, SD70ACe, ES44AC, GP30, GP38-2, GP40, GP7, and SD40-2.Fun Tsunami2 features including: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes, injectors, power reverse, and more. We also offer a large selection of selectable sound effects including: prime movers (up to 12), bells (12), airhorns (40+), couplers, and more!This decoder includes a connector to easily add a CurrentKeeper (P.N. 810140 or 810160) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: GE Diesel Dimensions: 97 x 16 x 7.7mm Max. Motor Stall Current: 2A Max. Function Current: 100mA (each output) Function Outputs: 8 LED-Friendly Outputs! Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16 Tsunami2 Digital Sound Decoders integrate a full-featured sound system, Hyperlight™ lighting effects, Hyperdrive2™ advanced motor control, and a DCC decoder into a single package. Tsunami2 Digital Sound Decoders offer 20+ lighting effects in each model! Other popular Tsunami2 features include: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes. We also offer a large selection of selectable sound effects including: 8 manufacturer specific prime movers, bells (12), airhorns (40+), couplers, compressors, and more!

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The TSU-1100 is one of SoundTraxx’s smallest sound decoders, yet is packed with a plethora of high-performance features! You will feel like you are in the cab with the amazing new features that Tsunami2 has to offer including: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes, injectors, power reverse, and firebox flicker. SoundTraxx also offer a large selection of selectable sound effects including: exhaust chuffs(10), prime movers (up to 12), bells (12), Whistles (90), airhorns (40+), couplers, dynamos and more! This micro 1-amp, universal-style format is ideal for small models with minimal space. It includes an optional capacitor or can be wired to a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Electric Dimensions: 27 x 10.5 x 5mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 4 Audio Amplifier: 1 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16

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