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I will be picking this amp up in a weeks time. I won't be replacing any tubes in it for quite some time (at least till late in the year), but I'd like to consider some options. This amp uses KT88 tubes for power tubes. I have heard of the KT120 as an option for some amps. I talked to one guy on here who is actually using the 120 tubes in his 100B for a few months now. He has had no issues with it so far. From what I gather the voltages are the same between the 88 and 120, its just the bias needs to be readjusted for the 120. My concern is if the power transformers are up to the task of using these tubes and if using these tubes in this amp is safe- for the long term. Can anyone look at the parts and spec diagram to see if this thing is safe to use with 120 tubes? First picture is a inside nude picture of the parts. Second is the circuit diagram. Take a look and let me know what you think.For a better look at circuit diagram, see:
http://www.tapeheads.net/attachment.php?attachmentid=19748&d=1301105909
Edits: 03/25/11 03/25/11
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Topic - KT 120 Tubes in Yaqin MC-100B Amp - Braxus 21:16:29 03/25/11 (11)
- RE: KT 120 Tubes in Yaqin MC-100B Amp - ChopperCharles 07:58:27 01/05/17 (0)
- RE: KT 120 Tubes in Yaqin MC-100B Amp - Mouse ears 22:52:41 03/31/11 (0)
- RE: KT 120 Tubes in Yaqin MC-100B Amp - casouza 21:43:41 03/28/11 (0)
- Do you have photo of trannies? - FenderLover 02:10:00 03/26/11 (7)
- RE: Do you have photo of trannies? - Braxus 08:22:52 03/26/11 (6)
- RE: Do you have photo of trannies? - FenderLover 20:59:43 03/26/11 (5)
- RE: Do you have photo of trannies? - casouza 21:53:17 03/28/11 (4)
- RE: Do you have photo of trannies? - jking67 07:22:08 04/02/11 (3)
- Thanks, Joe. - casouza 07:52:29 04/02/11 (2)
- RE: Thanks, Joe. - Gonzalo 08:09:49 04/02/11 (1)
- RE: Thanks, Joe. - casouza 09:46:27 04/02/11 (0)