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| previous: DCH Tom, |
| Tom | Re: '70 SR AB763: bias circuit Dave- sorry, I must have mis-read..I thought your speaker was coded 137 713...you're right, they are 1970 dated. The model you have might be the AA270; this was somewhat of a reversion to the AB763 (after the dreaded AC568 design changes), with some leftover "upgrades"...either way, I'm sure you can set it up to sound great... Tom |
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