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NEWS from ZDL: We think the biscuit technique is so nice, that starting in April 2017, when you order a ready-made Percolator amp, cab or combo, it will feature this method of construction. In future, we hope to adapt the kit to this method also.
Good job Kevin! Is that MinWax Red Mahogany? That was always one of my favorite stains back in my custom cabinet days. It looks very elegant on your 1×8.
Glen
Holy Cannoli Jeremy! We’ve had some trouble with our Forum Notifications routine, and your post escaped our attention. Pray tell, how’s that Macchiato of yours? Still silent? What’s the serial number? Do I understand you get no sound from either the onboard speaker or through the headphone jack? Among the possible explanations are 1) a damaged component, as you noted; 2) an undetected broken solder joint along the critical signal path, probably somewhere from the volume pot to the point where the signal splits between the speaker and the jack. I’ll have Brach, the Macchiato’s designer, chime in tomorrow. Sorry for the delay.
Glen
This is usually caused by the opto-coupler’s output ringing because it is driving too high of an impedance. We have found that some opto-couplers are more sensitive than others in this way. The fix is reducing the value of the pull up resistor on its output (R18). If you replace R18 with something less than 1000 ohms, it should help….Alternatively, if you have another resistor (anything between 300 ohms to 2500 ohms) you could put it in parallel with R18 and the parallel combination will be under 1000 ohms.
SPARKFUN.com produced a wonderful hack video exploring the Macchiato’s hackability and MIDI controlability.
ADSRSounds.com: “Macchiato Mini Synth: Open-Source, Palm-Sized Synthesizer“
SYNTHANATOMY.com: “Really cool new mini Synthesizer based on an Arduino.“
ENGADGET in Japan:
Japanese.ENGADGET.com: “2人のエンジニアガ2011年に立ち上げ、レトロ感・ハンドメイド感音楽向けツールを作っているZeppelin Design Labsが、たった39ドル(から)で入手できるシンセ「Macchiato」を発売しました。製品写真からレトロ感を差し引けば、往年の学習雑誌の付録的な雰囲気も漂います。”This from Japan —
GIZMODO.jp: “届いたその日の夕方には完成できるDIYミニシンセキット「Macchiato」“SYNTHTOPIA.com: “The Macchiato Mini Synth”
ENGADGET.com: “This tiny hackable synth will only cost you $39”
COOLTHINGS.com: “This Keyboard Synth Fits In The Palm Of One Hand”
