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Title: HRM-50 to EL34 Post by: lions den on May 26, 2011, 05:53:34 PM So I have an HRM-50 OTS built by Nik and team. Have read a few posts stating that you can directly drop in EL34's and replace the stock 6L6's. Just want to confirm that is true, swap out tubes, simple bias changes, and then you're good to go?
thanks, sean Title: Re: HRM-50 to EL34 Post by: 212Mavguy on May 27, 2011, 03:34:58 AM Hi Sean,
Yes, no prob. I'm currently running vintage Siemens el34's in mine. During a long thread of notes between Nik and I during the order process I learned that the standard HRM circuit power section is el34 friendly. Me likey. Title: Re: HRM-50 to EL34 Post by: lions den on May 27, 2011, 05:07:42 AM Very good. Thanks, I have a set of Mullards that I'm itching to try in my HRM-50.
Thanks, Sean Title: Re: HRM-50 to EL34 Post by: MaxBoogie on May 31, 2011, 03:11:15 PM Remember that you're still going to want to re-bias with the new tubes...
Title: Re: HRM-50 to EL34 Post by: lions den on June 04, 2011, 04:05:41 AM Yep, thanks for the reminder. Swapped them out and as of now plan to leave the EL-34's installed they sound great.
Title: Re: HRM-50 to EL34 Post by: 212Mavguy on June 04, 2011, 10:16:55 PM Glad they worked out well for you. Mine are staying in for the time being as well.
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