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McIntosh MC225 questions
I also have two Mc225's in mono mode. For tube rolling the 12ax7 is the most noticeable change from tube to tube. The 12au7 less significant but you will notice. I did not notice a change with the 12bh7's but I did not try to roll from grey plate ... 
Solve on Problem Create Another Help
Try moving the sub away from rear and side walls if that's the position. If the sub is vented it could be a little more trial and error.Also seems like the sub is xover a little high. Try 60 hz as an xover pointI'm not really sure the vandi sub wi... 
Used Dunlavy V's - what if they 'break'
WOW the Dunlavy V are WAF. I had issues with a now ex-girlfriend on the same speakers!To your query. Madisound was the go too company for Dunlavy drivers but I believe they do not carry any replacements or just limited to certain drivers.Unless th... 
tube amp for Apogee Tweeter mid-range
ScottI replaced the caps and resistors on a pair of Polk Sda srs speakers last year. I now have about 300+ hrs on them and just last month I noticed they opened up wide and deep. Take your time with the upgrade to amps so you can hear each tweek a... 
Would appreciate some recommendations.
Lamm would be a nice choice if cost is no object and they have an excellet sounding phono preamp 
tube amp for Apogee Tweeter mid-range
Hi ScottHow much breakin time is on the new caps that were installed? Is the crossover passive or electonic? Passive crossover caps and resistors can take up to 300hrs to burn in and open up. Your description of sound is what you can expect for th... 
Rich; organic true balanced amp w good detail $6k
Manley makes sweet sounding amps that can be run in triode or tetrode modes. I would say with your set up triode would be what you're looking for. A lot of amp for the money. 
Who can make these cones?Help
Try audiopoints they offer custom thread sizes. highly regarded brass cones. I need to do the samething let me know how you make out with them. They are sold through Starr technologies 
Velodyne ULD 15 repair
I think everyone is missing the point. I like my ULD 15's and I'm very much interested in keeping them if I can find someone experienced in serviceing them. I have the ULD's modified at a very low x-over frequency. This allows me to control the de... 
Velodyne ULD 15 repair
They made the sub until 1997 at a price of 2000.00 new. If anything they should have offered upgrades to improve the ULD, not abandon the product and the many people who own them at this point. As I see it they have started selling their subs in C... 
Velodyne ULD 15 repair
The ULD is perfect match for two channel setups. I have enjoyed them for many years and I plan to continue enjoying.However I'll never purchase or recommend another Velodyne product again. Velodyne has become a mass market company that wants to se... 
Velodyne ULD 15 repair
chiefwe,Did velodyne give you the name of the repair facility in FL that can repair uld's. I'm looking to modify the amp and replace the foam surround on one of my subs.Thanks for the info 
Review: Marsh Sound Design P-2000t Tube preamp
Hi Fi Farm replaced the P2000t with a Lamm L2 preamp.The Lamm is a better sounding preamp but probably not at three times the price. This preamps construction and quality of components is as solid as they get! Considering these facts, the Lamm is ...