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kijanki

Responses from kijanki

Burr Brown OPA 2143 vs NJM2068
Joaco - TL081 is a single amp. It is very old and very cheap amp designed as a improvement over 741 type (one of the first op-amps). It is not an audio amp. LM4562 comes in single version with completely different number starting with LME.... - I ... 
Confused by ICE applications
Magfan - why not to buy Icepower modules with power supply built in like 200ASC? Switching power supply, when done right, can be better than linear one (also smaller and cheaper) 
Single driver speakers - opinions
Lowest string of the bass is E=44Hz. Grand piano's A=27Hz is seldom used. I will settle for 50Hz. On the high end - I probably cannot hear above 14kHz. Maybe I should go for single driver design.Only one question to all DIY guys - why Revel bought... 
Confused by ICE applications
Magfan - IR published paper (google it) on class D with complete design (schematics, PCB etc). Your Maggies are power hungry and Icepower might be a good choice. 
Single driver speakers - opinions
Mariusz - every design has some positives and negatives. Electrostatic panels are often problems in places with very high humidity and a lot of insects (high voltage attracts them). I don't mean to criticize electrostatic speakers - just to show t... 
Confused by ICE applications
312 is expensive while 102 is cheap (same price as Bel Canto but better finish). Rowland's cases/finishing is beyond believe. 
Single driver speakers - opinions
I don't have experience with electrostatic speakers but, if my memory serves me right, they have poor bass extension, less than perfect dynamics and narrow/small sweet spot not to mention large size. Don't they have, being bipolar speakers, to be ... 
20 bit players vs. 24 bit players
Extra bits come from digital filtering - pretty much useless information. Sonic benefit is, as Shardone explained already, improved filtering with possibility of reduced jitter. Improved more accurate filtering in digital filters gives smoother mo... 
Confused by ICE applications
Dcstep - My Rowland model 102 has two 200ASC modules inside (identical to picture in datasheet of 200ASC) and nothing else - just case. It is pretty much the same amp as Bel Canto S300 with different case. There might be some tweeking involved. 
Burr Brown OPA 2143 vs NJM2068
TL... is probably TL082 or 72 or 62 or something from this family (pretty bad for audio). If you can go with OPA2134 (dual) then go with LM4562 - it is exceptional amp. It is probably 8 pin DIP thru hole plastic package (2 rows 0.3" apart of 4 pin... 
Single driver speakers - opinions
Cabasse are round while Fujitsu are oval/egg shape. Cabasse is a multi driver design. Cabasse is Swiss and Fujitsu is Japanese. They are not related in design, I think, but shape is pretty similar. 
Single driver speakers - opinions
Stereophile reviewed Fujitsu-Ten Eclipse TD712z single speaker design with 40Hz-20kHz @ -10dB and 70W max power. Sound was - quote: "As I played a variety of CDs and LPs, the system with the Eclipses had a clarity, transparency, resolution, timbra... 
CD player NOT made in China under $1,000?
Spoolyt -"You want junk, they will give you junk" - completely agree. There is a factory in Korea called "Samic" that manufactures guitars (largest in the world). Assembly lines are totaly automated and everything is computerized. They built about... 
20 bit players vs. 24 bit players
"if most redbook cd's are only 16 bit??" - what do you mean by "most". All redbook CDs are 16 bit. Sony-Philips never created any other definition. Even HDCD is recorded in 16 bit format where bit 16 (least significant) switches dynamic range of m... 
Confused by ICE applications
Johnnyb53 - Onkyo is 85W and the smallest Icepower, as far as I know, is 100W/8ohm.Damping factor is a little confusing. My Icepower has DF=4000 at low frequencies. Is it the reason for its tight bass? Atmasphere transformeless tube amps have DF=1...