![]() ![]() You do need a decent hot air station (or something similar) in order to heat the chip up enough to remove it, and because there's a good amount of GND connections to the chip and gnd planes under it, you really need to heat it up high. (highest upgrade that seems available as a drop-in replacement) it's a drop-in replacement, just has 20W more power with the same exact specs. So the TPA3116D2 is rated at 50W into 4ohms, and in that same family of amp chips is the TPA3156D2, which is 70W into 4 ohm. It's been quite a while since I checked in on this project, but realized there was a super cheap upgrade that is almost a 'why not' for anyone with decent soldering tools! There is a thread started on "DIY AUDIO" that is referencing a possible speaker mod, may be a great place to join the discussion.Īlso facebook groups for the 'spark owners' as well as 'spark mod group' for actual mod discussions: Speakers: PSP00471001 G3 120231 - Custom made speaker for PG? Op-Amps: NJM2740 - dual low saturation output operational amplifier featuring low noise of 6.5nV/√Hz SRAM: IS66WVE1M16EBLL - 16Mb (2MB) Async/Page PSRAMĪmp : TPA3116D2 - 2x50W Class-D Stereo AmpĭSP: AK7755 - DSP with Mono ADC Stereo CODEC + Mic/Lineout AmpĭAC: ES9023 - 24-bit stereo audio DAC with an integrated 2Vrms op-amp driver ![]() The front grille is also formed with MDF, with the fabric covering stapled on, and velcro straps used to make it removable from the main housing.įlash: FM25Q08A - 8M-BIT (1MB) SERIAL FLASH MEMORY THIS page will ALSO be used to tracking and discussing any mods we/the community can come up with to make this amp better or just add more features!Ĭonstruction: The amp is main built using MDF (medium-density fibre board), which is epoxied together to create the main housing. THIS page will be dedicated to the teardown of the amp, and showing pictures and describing individual components of the amp, as much as can be identified. ![]()
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