ilikepie116
Head-Fier
- Joined
- Jul 15, 2008
- Posts
- 71
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- 12
Hello! So i've built two YAHA headphone amps, and I cannot get neither one to make music/sound.
Here are some project details:
- I am using a 2 amp, regulated 12 volt power supply.
- - The tube is a 6N1P tube, supposedly the equivalent to a ECC88.
(I purchased the tube from this eBay page: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330381082733#ht_2064wt_1042 )
At one point, I got the tube to glow bright as soon as power was applied, but I now know this isn't good for tubes. The tube was getting roughly 9v from the LM317 regulator, and the sound was very broken up, intermittent, and distorted sounding. only coming from one headphone.
- I have a pack of OPA2132 op-amps, so I know the op-amp isn't the problem
- There is no volume pot in between source and the YAHA
I am beginning to think the design might require a little modification because of the 6N1P tube. Should I just try to get ahold of a actual ECC88 for this project, or just hack the board up?
Here are some project details:
- I am using a 2 amp, regulated 12 volt power supply.
- - The tube is a 6N1P tube, supposedly the equivalent to a ECC88.
(I purchased the tube from this eBay page: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330381082733#ht_2064wt_1042 )
At one point, I got the tube to glow bright as soon as power was applied, but I now know this isn't good for tubes. The tube was getting roughly 9v from the LM317 regulator, and the sound was very broken up, intermittent, and distorted sounding. only coming from one headphone.
- I have a pack of OPA2132 op-amps, so I know the op-amp isn't the problem
- There is no volume pot in between source and the YAHA
I am beginning to think the design might require a little modification because of the 6N1P tube. Should I just try to get ahold of a actual ECC88 for this project, or just hack the board up?