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This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation. The B-MB4 is an overall universal design, making it a great choice for brass models.NOTE: This product does not function without a decoder. Pick up an EU621 or WOW121 decoder to use this product.NOTE: TCS motherboards feature on-board resistors for use with LED's. This product is not intended for use with incandescent bulbs without modification or an external power supply such as the VR1.5. Specs Dimensions: 1.92” x 1.05” x .48” or 48.64mm x 26.7mm x 12.2mm Scale: HO Scale Compatibility: WOW121-Steam, WOW121-Diesel, EU621, EU821

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Producing sounds with the clarity and volume of a much larger speaker these 32mm (1.26″) speakers are perfect for tight installations that still require BIG sound. Dimensions: 1.26″ diameter x 0.2″ or 32mm diameter x 5.1mm Sound Pressure Level: 94 dB ± 3.0 dB at 0.8 , 1.0 , 1.2 , 1.5 KHz. Effective Frequency Band: 280 Hz. to 20,000 Hz. Power Rating: 0.5W (Typical) 0.8W (Peak) DC Impedance: 8 Ω ± 15 % at 1.0V 1,000 Hz.

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This 13.6mm x 9.6mm speaker could be classified as a “sugar cube” speaker. This style of speaker is often feature in cell phones and tablets and performs slightly differently from standard speakers. This style of speaker REQUIRES mounting with a baffle to produce much sound at all, but once they are mounted they produce significantly more sound than you might expect. Try them out in your space restricted installations. Dimensions: 0.54″ x 0.38″ x 0.11″ or 13.6mm x 9.6mm x 2.9mm Sound Pressure Level: 82 dB ± 3.0 dB at 0.5W , 10cm 1.5 KHz. Effective Frequency Band: 700 Hz. to 10,000 Hz. Power Rating: 0.8W DC Impedance: 8 Ω ± 15 % at 1.0V 2,000 Hz.

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The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the following: Athearn: F59PHI F3 Atlas: RS-1/RS-3/RS-11 C424 GP7 Kato: GP35 If you need more than four total lighting functions, or are using 1.5V bulbs, you should consider the A6X. Back EMF Load Compensation: Provides superior slow speed control and high performance under load. Quiet Drive: Super-quiet motor control for "buzz" free motor performance. DC Mode: Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC. RailCom®: This feature allows the decoder to talk to the command station. RailCom supports expansion for new features. Variable Momentum: Allows you to make custom acceleration and deceleration curves. LED Support: This product does not require external resistors when connecting LED's. Incandescent Bulb Support: This decoder can be used with 12 Volt bulbs. Function Remapping: Buttons 0 through 12 may be used to control the lighting functions of this decoder. Programmable Lighting Effects: Choose from 20 separate user-programmable lighting effects! Dimmable Brightness: Configure multiple different brightness levels for your LED's or incandescent bulbs. Decoder Lock: Feature which prevents accidental/unwanted programming while activated. Airwire™ Compatible: Fully compatible with Airwire™ operation. User-Loadable Speed Tables: Configure custom speed curves and set speed limits. Specs Interface Type: Drop-In Dimensions (L x W x H): 2.85" x 0.682" x 0.138" or 72.39mm x 17.32mm x 3.51mm Scale: HO Scale Continuous/Peak: 1.0/2.0 Amp Total Functions: 4 Function Rating: 100 mA 12V Outputs: 4 LED Outputs: 4

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Animate your models in minutes with the Walthers Cornerstone Motorizing Kit. This fully assembled drive unit is a drop-in mount for Walthers Double Track Swing Bridge (933-3088), 90' Turntable Kit (933-3171) and the Walking Beam Oil Pumps in HO (933-3170) or N Scale (933-3248), all sold separately. The Motorizing Kit can easily be adapted to other models. It's complete with a rugged DC motor and has 360:1 gearing to insure smooth, slow speeds. PLEASE NOTE: This unit is for use with DC power only; maximum 12V, .25 amps. Use with Cornerstone structures that accept motorizing 360:1 gear ratio Works on standard DC

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The Walthers Cornerstone Turntable Control Box allows you to expand operations of your HO or N Scale Cornerstone Motorized Turntable up to four remote locations. This add-on control box is designed for use with the turntables as noted above. It can be used on layouts running on DC or DCC train control and provides simple operation and programming with programmable indexing for up to 99 different tracks, one-touch 180-degree bridge rotation in either direction and a simplified LED display with adjustable brightness. Allows adding additional Motorized Turntable control points Use on DC or DCC layouts Two-digit LED display Measures: 3" 7.6cm Square Inside 3-5/8" 9.2cm Square Exterior Allow 1" 2.5cm clearance; additional space may be required for cables. For advanced control using DCC, Arduino and similar advanced controllers please refer to the Cornerstone Turntable Advanced Control Module.Please Note: This unit is designed for use only with the following Motorized Turntables, each sold separately: HO Scale 90' 933-2860 HO Scale 110' 933-2851 HO Scale 130' 933-2859 N Scale 130' 933-2618

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The Walthers Cornerstone Turntable Advanced Control Module makes it possible to operate your Motorized Turntable using DCC, serial UART, keypad or switch contacts. For DCC applications this circuit will function as a stationary decoder with no CV or programming required. The Turntable Advanced Control Module includes the circuit, Connection cable and complete instructions. Adds DCC, serial UART, keypad and switch contact input modes including: DCC control using stationary decoder protocols Numeric Keypad Button per track Rotary selector switch Control box emulation Serial Rx/Tx UART port   Digital outputs for remote dual digit display and controlling track power relays to selectively power service tracks automatically Measures: 2-3/4" (70mm) x 4-3/16" (107mm) Please Note: This unit is designed for use only with the following Motorized Turntables, each sold separately:   HO Scale 90' 933-2860 HO Scale 110' 933-2851 HO Scale 130' 933-2859 N Scale 130' 933-2618

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Make any siding safer with Walthers Cornerstone N Scale Track Bumpers! Big steel bumpers like this have protected industrial sidings and station platforms for decades by preventing cars from running off the end of the tracks. These bumpers come fully assembled making them a snap to add to your steam or diesel-era scenes. Each set comes with five matching track bumpers that are easily installed on all brands of track.  Realistic end-of-track bumpers For use on any steam or diesel-era layout Based on common design used across North America Easily installed on all brands of track Fully assembled  Please Note - these models are based on prototype units used to keep cars from rolling off the end of track, but are not intended to stop a locomotive or train.

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Power your Walthers Cornerstone HO or N Scale Turntables (sold separately) quickly and easily with this plug-in wall unit featuring: Installs in minutes - instructions included Independent 800 ma 16VDC filtered power supply Includes adapter cord to connect to turntable Positive contact barrel-type connectors Intertek listed Made especially for use with Cornerstone HO 90' (933-2860), 110' (933-2851) and 130' (933-2859), and N Scale 130' (933-2618) Motorized Turntables, each sold separately - may also be used with earlier N Scale 130' 933-2616, HO 130' 933-2850 and HO 90' 933-2849 Turntables. PLEASE NOTE: Unit operates on 120V (standard North American house current) only.

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The Walthers Cornerstone 3-Stall Modern Roundhouse will be a hallmark of later steam-era railroading on your HO layout. If you model the diesel era you'll also find this kit to be a centerpiece of your servicing facility since some of these classics are still used today for servicing diesels. No matter the weather, workers could easily inspect and service locos under cover. Size was based on the number of engines coming and going in any 24-hour period, with the busiest terminals requiring full-circle roundhouses. This detailed 3-Stall Modern Roundhouse model includes three stalls on 10-degree centers to make the most of your available space like the prototype. And with a modular design, you can add as many stalls as your railroad requires using the Modern Roundhouse Add-On Stalls (933-2901, sold separately). For more realism, interior and exterior brick wall details, fine windows, floor inspection pits and much more are all standard. Locos up to 125 scale feet long fit easily inside the 3-Stall Modern Roundhouse and parts for a single 145 foot long stall are also included as many modern roundhouses were expanded to handle large locos like Mallets. Authentic North American prototype Holds engines up to 125 scale feet long Includes stall for bigger engines up to 145 scale feet long Modular design - easily expanded to a full circle Compact 10-degree stall spacing Interior and exterior brick detail Fine window details Floor inspection pits Decal signs included As shown the Modern Roundhouse measures: Standard Building: 17-3/4 x 16 x 5-1/2" or 44.3 x 40 x 13.7cm With Extended Stall: 20-1/8" or 50.3cm Long Pit Depth: 5/16" or .78cm

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The Walthers Cornerstone 3-Stall Modern Roundhouse Addition enlarges the hallmark of steam-era railroading on your HO layout - the 3-Stall Modern Roundhouse. If you model the diesel era you'll also find this kit to be a centerpiece of your servicing facility since some of these classics are still used today for servicing diesels. No matter the weather, workers could easily inspect and service locos under cover. Size was based on the number of engines coming and going in any 24-hour period, with the busiest terminals requiring full-circle roundhouses. This add-on kit includes three stalls on 10-degree center without side walls so you can make an addition to your Modern Roundhouse. For more realism, interior and exterior brick wall details, fine windows, floor inspection pits and much more are all standard. Locos up to 125 scale feet long fit easily inside and parts for a single 145 foot long stall are also included as many modern roundhouses were expanded to handle large locos like Mallets. If you need more than three stalls to house your steam fleet, the 3-Stall Modern Roundhouse Addition makes expanding the Modern Roundhouse (933-2900, sold separately) easy. Though engines started getting bigger early in the 20th century, no one could foresee the monsters that were in regular service by the 1940s. These locos required equally large servicing areas, so some roads simply added and extended a few roundhouse stalls to handle them. This conversion kit adds three matching stalls to the Modern Roundhouse (933-2900, sold separately). With additional kits, you can expand the basic building to any size your railroad requires. Engines up to 125' fit easily inside, and parts to build a single 145' long stall are included - big enough to hold a Big Boy.  Add-on stalls for the Modern Roundhouse (933-2900, sold separately) Authentic North American prototype Holds engines up to 125 scale feet long Includes stall for bigger engines up to 145 scale feet long Expand the Modern Roundhouse up to a full circle Compact 10-degree stall spacing Interior and exterior brick detail Fine window details Floor inspection pits Decal signs included The basic Modern Roundhouse measures 17-3/4" (20-1/8" with extended stall) x 16 x 5-1/2" or 44.3 (50.3) x 40 x 13.7cm. The add-on stalls will enlarge it.

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While most roads had one major backshop, the prototypes for the Walthers Cornerstone HO Scale Machine Shop allowed railroads to make repairs at outlying terminals since it was often faster, more cost-effective and got the locomotives back on the road and earning their keep. As new engine terminals were built, most received a machine shop capable of handling just about any type of repair that might be needed. This kit matches the design of the Modern Roundhouse (933-2900, sold separately), and can be built as an attached or freestanding building. It also includes a boiler house, which would supply steam, electricity and compressed air to the entire facility. Large roll-up doors can be built open or closed, and the baseplate of the Machine Shop kit has slots that accept popular rail sizes. The Machine Shop is one of a wide variety of Cornerstone HO Scale railroad buildings. Authentic North American prototype Use with late steam and diesel-era layouts Matches design of Walthers Modern Roundhouse kit Separate windows Floor baseplate accepts popular rail sizes Molded in appropriate colors plus clear window glazing  The Machine Shop measures: Building: 13-5/8 x 8-3/4 x 5-1/8" or 34 x 21.8 x 12.8cm Smokestack: 10-1/4" or 25.6cm Tall

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