Pass Aleph 60 vs. Two Aleph 30


I have one Pass Aleph 30 and I want to upgrade it.
because I love this amplifier (it is a perfect macht with my Tannoy Loudspeakers) I have two possibilities:
1) go to Pass Aleph 60 Monoblocks
2) buy another Aleph 30 for pasive biamplication (my preamplifier has two balance outputs)
What happen with the power if I add another Pass Aleph 30 ?
I have no experience in pasive biamplification.
If anybody could compare this two options, please let me know.
elduende14

Showing 1 response by ramses

HI ELDUENDE,
I DID EXACTLY WHAT YOU ARE CONSIDERING. I USED TWO ALEPH 30'S , ONE TO EACH SPEAKER, ONE CHANNEL HOOKED TO EACH BINDING POST.
IT IS CONSIDERABLY BETTER IN TERMS OF CHANNEL SEPARATION, DYNAMICS, & BASS CONTROL.
BEFORE I BOUGHT MY SECOND ALEPH 30, I CONTACTED PASS & WAS TOLD THEY DO NOT MODIFY A 30 INTO A 60.
YEARS AGO, WHEN I HAD APOGEE SIGNATURES, I DID THE SAME KIND OF PASSIVE BIAMPING WHILE LOOKING FOR AN APOGEE DAX CROSSOVER: THE RESULTS WERE THE SAME AS WITH THE ALEPH 30'S. WHEN I BOUGHT THE DAX AND ACTIVE BIAMPED, THERE WAS SMALL IMPROVEMENT IN DYNAMICS, BUT NOT WORTH THE PRICE OF THE DAX. BASS CONTROL WAS BETTER & WENT DEEPER, BUT THIS WAS A RESULT OF REMOVING THE PASSIVE CROSSOVER FROM THE APOGEES