John,
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You got me on this one.? I don't have any knowledge of the DB5 and I haven't seen an SB5 up close and in person.? Everyone around here either has a Power Cab without expanding it or a Pro Cab system.
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I don't see the DB5 on NCE's website.? It may be discontinued.? If you don't have your documentation for it, NCE can probably provide it.
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I'd ask your question of NCE.? NCE's support is
support@....? Let me know what you find out.
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Allan
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