atmasphere
Responses from atmasphere
| Why not horns? Shadorne, Classic Audio Loudspeakers makes a horn that crosses over at 250Hz, owing to the kapton surrounds on the beryllium-domed drivers. The tweeter rolls in at 12KHz.Only a few years ago, he used a TAD maple-machined horn, but it turned out to... | |
| Best balanced tube preamp for NHT XD System? Daverz, there are balanced tube preamps out there where 10K ohms in an amplifier is no concern at all, just FWIW. | |
| Why not horns? I'm a big fan of ESLs and ribbons, but the horns I have in my own system are faster and more revealing, and less colored. I have heard plenty of horns that honk and do weird things- the throat and mouth design is everything in a horn, any errors a... | |
| amp clipping or low freq causing pumping speakers The Triplanar and the ZYX is a good match- I use that in my own system and there are no pumping effects.One thing that can effect this is low frequency bypass in the preamp or amp. An extreme example is when the filter caps are failing in the powe... | |
| Philips 212 vs Lenco L85.... Yes, I was indeed thinking of the idler Lencos. | |
| Philips 212 vs Lenco L85.... Yes. Get the Lenco. I have serviced many Phillips machines. They have issues with the light bulbs under the speed sensors, speed stability issues and the limitation of the arm that comes with it. OTOH the Lenco allows for a lot of tweaks that give... | |
| The pivoted arm experiment is over Anything that is good for a high quality arm should do fine. It should not matter whether the arm is straight or radial tracking. | |
| My Nak 505 sounds like its going thru a phase shif You will also want to keep the capstan clean. This is the small rotating shaft that the pinch rollers bear against. It should look nice and shiny- any texture means its dirty.Dirty pinch rollers can be caused by tape shedding and the rubber of the... | |
| Hum from Grado on LP12.. Better carts to consider? If the motor is made of a metal that can be soldered, then solder it. Otherwise a wire with a lug, placed under a nut and bolt should do the job. | |
| Hum from Grado on LP12.. Better carts to consider? Geor, they may have springs but that cannot be considered an adequate ground. The motor must have a wire that does the job, so plinth, motor, platter bearing and arm have the same ground.The motor may not be shielded, but if you ground it that may... | |
| Turntable speed slow with quartz lock First, try cleaning the speed selector switch with Radio Shack electrical contact cleaner. If you have variable speed controls, clean them too. I would not do anything else until you have done this- this is a very common problem. | |
| woofer pumping Newbee got it. The first place to start is the arm/cartridge compatibility. Not only will you reduce woofer pumping, but you get better sound if the cartridge and arm are working together. | |
| Hum from Grado on LP12.. Better carts to consider? Grados will hum with certain 'tables, like the Rega. Usually this comes from the table not being sufficiently grounded. For example, the Rega needs to have its motor and platter bearing both grounded to the arm ground. I suspect the same is true i... | |
| Atma-Sphere MA2 Mk2.3 / Krell KSA 250 / Passlabs? Jtimothya, you might want to try that experiment again while using a 600-ohm termination at the input of the amplifier. The MA-2 is equipped with a switch that allows you to set that termination if the preamp supports it (the MP-1 does). If there ... | |
| 2A3 Set power amp The reason SETs have that amazing 'dynamic' character is all about how they make distortion. At very low levels, the distortion is unmeasureable. But at full power, the distortion is 10% and includes odd ordered harmonics, which are loudness cues ... |