Used Amp Under $1000

Howdy y’all. After perusing this and USAM forums I’ve identified a handful of amps that seem pretty good. I’ll be using this amp with a McCormick TLC-1 Pre and Magnepan MG1’s. Please tell me your thoughts on which I should buy, why and what I might have overlooked.
Thanks!

Conrad Johnson MF 2100 $575.00
Classe CA-101 $750.00
Audio Alchemy ELAC DPA-1 $795.00
Classe CA-100 $550.00
Sonic Frontiers Power 1, Tube $850.00
McCormack DNA-1 $750.00
Emerald Physics 100.2 $600.00

seaninatx04-22-2019 9:18pm

johnkent3 Details Discussions Posts This discussion Message User 63 posts 04-26-2019 at 09:50am Copy Comment URL Report Comment Edit Delete What about a YAMAHA MX1000u or any Sony ES. overbuilt, massive power, quiet, bulletproof. And yam has the 80’s synth style led VU meters. Sick!
mrdecibel Details Discussions Posts This discussion Message User 3,063 posts 04-26-2019 at 06:29pm Copy Comment URL Report Comment Edit Delete Unfortunately, the Japanese use speaker switching, which limits current and adds some noise. Internally bypass the speaker switching, change out the speaker output jacks to better ones, and replace the stock power cord with a beefier, heavier gauge one, and you have taken the amp to another level in SQ. Any technician should be able to do this. If you think these amps sound good now ?
johnkent3 Details Discussions Posts This discussion Message User 63 posts 04-27-2019 at 02:30pm Copy Comment URL Report Comment Edit Delete Mr decibel not sure what you mean. Mx1000u is very quiet and strong... Power output: 260 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.003% Damping factor: 130 Input sensitivity: 1.62V Signal to noise ratio: 126dB