100 watts enough?

@unsound @charles1dad
Just for reference, here is a link to loudness levels that studios are recommended to calibrate to when monitoring. The relevant table is ’Room size vs Reference Level’ all the way at the bottom. Note that for the largest space, the recommendation is 83 dB SPL (C weighted). This is measured using pink noise with a single speaker. Subtract 3 dB if playing the pink noise through two speakers.

Another guidepost could be the THX Reference Level. This is set to 85 dB SPL (C) at the listening position as measured with pink noise. The equipment should be able to handle 20 dB peaks. So if you’ve been to a THX certified cinema, you’ll have a sense of how loud that is.

In any case, I recommend getting an SPL meter and measuring yourself. You might come away surprised.

@noromance 

hahahahah
me too.
im getting enough these days.

 My Father (rip,sir) said “you will get tri-fold the day you have a son”
and bam, along comes a son,.....and yes, I’m getting 3X the Runaround he had. 😳

From John Atkinson/Stereophile,

"The EgglestonWorks Andra is moderately sensitive, my estimated 87dB/2.83V/m (B-weighted) reading agreeing with the specified figure. Its impedance plot (fig.1) suggests that the speaker appears to be an easy load for an amplifier to drive, the magnitude dropping below 10 ohms only in the high treble and below 130Hz, and the phase angle generally remaining low. However, it does reach 4 ohms in the low bass, around the tuning of the twin ports. There is a very slight wrinkle in the impedance traces between 300 and 400Hz, this generally indicative of a cabinet resonance of some kind. However, as might be expected from its massively constructed cabinet, the Andra is impressively inert. About the only resonant mode I could find was on the woofer enclosure wall (fig.2) at 350Hz. This is well down in level, however."

Given this assessment coupled with the OP's stated  "neighbors"  situation it seems that the CH Precision 100 watt amplifier is far more than adequate . I guess I'm missing the rationale of why a more powerful amplifier is advantageous.  It appears that this amplifier would coast driving the  "easy load"  (Atkinson's words) Andras to suit the OP's circumstances. 
Charles 

At the risk of appearing petty, perhaps it's because some might feel that the amps power output it merely adequate.

Hi @tomic601,
I bet Casa Pacifica sounds absolutely gorgeous!
Based on Atkinson’s description of the  Eggleston Andra speaker impedance characteristics I believe that your  Music Reference RM-9 would a good match.
Charles