I just got my akg q701 in and was looking at geting the Lyr amp and did not know what tubes should i get in it the GE 6BZ7 NOS Tubes or the JJ E88CC Tubes and what Voltage would be the best 115 / 230 sorry this is my first time buying an headphone amp 
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schiit Lyr
The GE 6BZ7 is better than the JJs, many fellows had confirmed that so did I. Try some Siemens&Halske CCa Grey getter if you can, it is considered the best tubes for Lyr, have a look at the Lyr's tube rolling thread for more impressions about these awesome tubes, the voltage DC is not really a matter, choose which is suitable for you.
Get whatever tubes you want. I went GE 6BZ7. They're great out of the box.
Voltage is based on your country's standard. If you're USA/Canada, 115. If you're UK/EU, likely 230.
Very best,
- rrahman
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Thats dangerous advice... "trying to run a 115V unit on a 230V will result in a blown fuse, no music, and a void warranty"
115V for US/CA, 230V for EU

The GE 6BZ7 is better than the JJs, many fellows had confirmed that so did I. Try some Siemens&Halske CCa Grey getter if you can, it is considered the best tubes for Lyr, have a look at the Lyr's tube rolling thread for more impressions about these awesome tubes, the voltage DC is not really a matter, choose which is suitable for you.
- schiit Lyr
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