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I have been given the wonderful opportunity (mostly due to networking in the music department) to record myself on my school's concert Steinway grand piano in my school's concert hall. Unfortunately using the hanging microphones is prohibitively expensive (I have to pay by the hour to use them) so I have to come up with my own audio recording solution. Are there any good microphone options that are fairly cheap (less than $100 hopefully) that would give me decent audio quality? Obviously, the quality doesn't need to be first rate as my price constraints are weeding those options out.

Edit: the recording isn't for a film or anything, it's just for me and the select few people I will share it with.

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  • Are you recording just for personal use or for a video? Or maybe promotional material? That might be worth including in the question.
    – Timinycricket
    Mar 2, 2018 at 9:42
  • This would be for personal use. Wouldn't go out to anyone other than family and friends
    – Mike
    Mar 2, 2018 at 9:46
  • youtu.be/wZ62f56vU7Q Here is a grand recorded with a zoom h1 which goes for less than 100 and you could get something like this type. Listen to this with headphones or good speakers to hear the full range of sound. But it's decent for just a personal recording.
    – Timinycricket
    Mar 2, 2018 at 10:05
  • I'll check that out
    – Mike
    Mar 3, 2018 at 18:51
  • iPhone on a music stand in a great sounding room (The National Cathedral in DC). National Cathedral
    – ENW
    Mar 6, 2018 at 16:18

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You really need two mics to do justice to a piano.
Your budget is cripplingly low to try to achieve this with any hope of quality.

Dynamic mics are really no good for piano, they're not fast enough, so straight away you're into phantom-powered condenser territory.

The thing about piano making techniques is there are as many as there are sound engineers. No one is 'better' than any other, but as you're going to be on a fairly limited setup - do you even have access to large mic stands or just regular 5ft with a 3ft boom arm? - let's forget any ambient configurations & go for a couple of simple close-mic options.

Small diaphragm omnis close to the hammers will really bring out the attack; spreading them maybe 2-3ft apart will give your stereo spread.
Large diaphragm cardioids can be used, but need to be further away; often set one left, near the hammers, 2ft in & 2ft or more up. The other at the sweet spot in the 'bow' of the body. Both pointing slightly towards centre.
Of course, if you don't know the mics, the room or the piano, there's a lot of room for experiment in either of those setups.

Personally I love a pair of B&K [DPA] omnis for the first config & either a pair of AKG 414s or Neumann U87s for the cardioids - however that's somewhere between 2 and 5 grand's worth of mic, so they're right out of the ball-park.

However, before you even start considering mics, you need a USB audio interface, capable of taking two mics simultaneously & with phantom power. This is going to set you back at least $70, leaving you $30 for the mics.

You can get a pair of 'large diaphragm cardioid condensers' for 30 bucks, but they're not going to be great.
I've experimented with the cheapest of the cheap, the BM-800[1] on vocals - & tbh, I've heard worse, but they'll win no prizes. I've never tried them on anything with such a high SPL as a piano.

I guess by now you've probably figured there is no cheap way out for this type of recording. Maybe you could rent a pair of decent mics for a couple of days, & a phantom power USB interface to go with them... but maybe it will come out more expensive than just hiring the venue's built-in system, which will presumably also come with an experienced engineer to handle it all - & presumably his fee is going to be the larger part of that cost. Piano miking is not something to try learn in a day, especially when you've a performance to think about.

[1] Made in China, zero quality control, apparently no two sound alike. You can find them under many different 'manufacturer' names on eBay, Amazon etc for 15 bucks each.

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  • Could I conceivably use a 2 channel phantom psu and run the outputs to two separate computers? I have a buddy who's helping me with this and he will have a computer as will I. That way I could spend a little more on the microphones? Instead of using a USB interface, could I use an xlr to 3.5mm cable from the outputs?
    – Mike
    Mar 1, 2018 at 11:06
  • You would have a horrible time trying to synchronise audio recorded to 2 separate machines. Forget that idea altogether. If you have separate phantom, are you then considering running the output of those straight into a computer's built-in audio? Again, that would be wasting the potential of the mikes, even if you could squeeze both down one feed. You need at least a half decent interface, even if your phantom is separate.
    – Tetsujin
    Mar 1, 2018 at 11:23
  • @Mike the best you can do at $100 is get a handheld stereo recorder like a zoom or something and try to find the best placement but the quality just isn't going to be there for that budget
    – Timinycricket
    Mar 2, 2018 at 9:35
  • @Timinycricket yeah I'm slowly learning that.
    – Mike
    Mar 2, 2018 at 9:39

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