Zimo MX646 ('N' 6-pin direct, 'R' 8-pin on harness and 'F' 6-pin on harness) Sound Decoder

Code: MX646

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Zimo MX646 Sound Decoder

28x10.5x4mm 1A continuous / 1.5A peak 1W audio / 4 Functions

NOTE: The MX646 was superseded by the MX649, which in turn has been superseded by the MS490

Variants / Sub-Products

MX646N	× Cancel	'N' 6pin direct plug-in
MX646R	× Cancel	'R' 8pin plug on wired harness
MX646F	× Cancel	'F' 6pin plug on wired harness

Description

The MX646 sound decoder from Zimo shares all the same benefits as the larger MX645/MX644 decoders, but without the built-in energy storage connections, and with fewer AUX function outputs. The advantage is that the MX646 is much narrower, so great for long thin spaces, even in some N gauge models.

The MX646 can have a stay-alive capacitor added, but it must go through SPEIKCOMP circuitry.

Technical Specification

• 1W audio power
• 8ohm speakers supported
• 6-channel output.
• 1.0A continuous motor output / 1.5A peak for short periods
• 4 AUX function outputs, max combined 0.8A
• 2 logic level outputs
• Servo control line or SUSI
• 32 MBit memory
• Railcom
• DCC, DC-Analog, MM, AC-Analog

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