Please reach us at rick@marimbas.com if you cannot find an answer to your question.
Usually around 3 weeks depending on how busy we are. If you need it back sooner let us know. Sometimes we will agree to meet deadlines.
Yes we can! Cost is $45 each - Price List
Yes, changing the pitch between A440 and A442 can be done at our standard tuning cost - Price List
More info here - Shipping Instructions
Cost is $80 per octave - Price List
Sure, we are happy to work with non profit, universities and small groups needing special forms or paperwork.