bryoncunningham

Responses from bryoncunningham

Help me mod my tube amp
Thanks, wharfy!  
Help me mod my tube amp
Let us know how it turns out, Jeff.  
Help me mod my tube amp
Hi Jeff, Yes, I did listen to the amp with the upgraded caps and the original tubes for a couple weeks. The most audible improvements were more organic midrange and sweeter high frequencies. I was happy with the changes. Bryon  
Help me mod my tube amp
Hi sns, Can you educate me... What benefits do people typically experience when they upgrade the bypass caps in the power supply?  
Help me mod my tube amp
Hi tablejockey, Here is the parts/labor cost rounded a little: 2 Dueland caps: $150 4 V-Cap ODAMs: $300 Labor for caps install by Blackie Pagano: $200 2 NOS Brimar 12AU7: $300 2 NOS Amperex 12AX7: $300 1 Synergistic Research Blue fuse: $60 ... 
Help me mod my tube amp
Thanks, SNS. For the bypass cap, I think you're talking about the yellow cap marked "Swellong MPT 630V" in my photo. Is that right?  
Help me mod my tube amp
Thanks SNS. I read above that you upgraded the resistors in your PL amp. I bought this amp new around 2012. Can you tell from looking at the picture I attached whether the resistors are Takman or something else? Bryon  
Help me mod my tube amp
Update on this little project on my Prima Luna Dialogue 4 amp... I upgraded the capacitors on the input stage with Dueland CAST-PIO Hybrid copper/silver foil caps. I also upgraded the capacitors on the autobias board with V-CAP ODAM caps (see att... 
Help me mod my tube amp
Hi John-- Several people suggested replacing the resistors, which I am open to, but have no experience with. Forgive the naive question, but do you know what parameters are important to match when replacing resistors? Obviously the resistance in o... 
Help me mod my tube amp
Hi all-- Update on this project... My tech replaced the stock capacitors on the input stage of my Prima Luna Dialouge 4 amp with Dueland CAST PIO Hybrid copper/silver foil caps (matched pair). He also replaced the stock capacitors on the PCB boar... 
Help me mod my tube amp
Thanks, nlitworld, for those additional suggestions. I will check out the binding posts and wire you mentioned.   Mike B-- Thanks for your observation about the different directions this thread has taken. Both kinds of input are valuable to me. ... 
Help me mod my tube amp
Thanks everyone for the input so far. Several people suggested new tubes. As is probably obvious, I am pretty naive about tubes and open to your suggestions.   knotscottt: Yes, I run the amp in triode exclusively. I do not know whether the amp c... 
Member Almarg passed away last night
My apologies if my posting on this thread, so long after Al's death, disturbs some here who have already mourned his passing. I have been away from Audiogon for five years, and I just learned of it when I returned a few days ago. I had many excha... 
Please help me not make a dumb mistake
Ozzy62-- As you said, I have heard many people report that speaker level inputs can result in a more seamless integration. I hope that turns out to be true in this system. In the past, I have spent many hours trying to get subs to integrate using ... 
Please help me not make a dumb mistake
Thank you, Yogiboy. I appreciate the help.Fiesta75-- I don't have the option of using the low level subwoofer input in this system as it is currently configured, which is:Mac mini --> Benchmark Dac3 (dac/preamp) --> Prima Luna Dialogue 4 --&...