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| v.1.0 | release | |
| v.1.1 | added IC11 and D30, D31, D33 to ORDERING | |
| v.1.2 | added info from christian about cabling | |
| v.1.3 | added gnd build notes from Christian, fixed an amount value | |
| v.1.4 | changed electrolytic capacitor in safety psu from 25V to 35V. | because its standard to have at AC Rectifier a safety range of multiplier 1.5 - 2 (for example an 18VAC is able to give after the rectifier a 28V-29V DC voltage. regards Patrick |
| v.1.5 | added extra alternative options for 10k trimmers (clap) | |
| v.1.6 | fixed value in tape section. | fixed C143 voltage - in BOM - mouser ? new value R311: 820K (old value was 820R) |
| " Amp section " | fixed C143 voltage 47uF to 50V. 35V is fine too (comment Patrick) | |
| v.1.7 | advisory added for snare drum fix. | |
| v.1.8 | added info about cabling and errors in TR-909 service docs | |
| v.1.9 | fixed values in high tom, C95 and C97 were reversed | new value C95: 100nF new value C97: 15nF (just swap both capacitors, old value was C95 15nF & C97 was 100nF) |
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