3e audio SY-DAP1002 Handbuch - Seite 10
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Audio OP-Amp swapping:
A traditional DIY way is by replacing different kind of op-amp to have all kind of
sound experience as they expect, based on this consideration we put changeable
op-amp into this product design by using a typical DIP-8 footprint. user can
replace with same package size and it is easy to swap them anytime.
* Please note that we use high-end one OPA1602 SMT package on SY-DAP1002 Rev1.0 version
Change Points: refer figure 1&2 blue area
SY-DAP1002 and SY-DAP2002: U1; U2
Audio Cap Swapping:
We use audio grade capacitor for audio coupling path to get best audio quality,
user can replace some other type capacitor to get a good taste for themselves, be
sure use same rating material, eg.10uF/16V, and the polarity is correct.
Change Points: refer figure 1&2 yellow area
SY-DAP1002: C1; C6; C93; C86; C70; C69; C9; C12; C17; C20
SY-DAP2002: C1; C6; C69; C70; C86; C93; C9; C12; C17; C20
LC filter Film Cap Swapping:
User also can change the film capacitor on class D demodulation output stage to
has better matching on their system based on transducer impedances, please
note that we use TDK B32529 series MKT film cap, be sure use same or higher
quality capacitor otherwise the performance will degrade.
Change Points: refer figure 1&2 brown area
SY-DAP1002: C63; C73; C80; C89 ; SY-DAP2002: C63; C73; C83; C90
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Rev 1.0
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