need some input on a Sunn 1x15 cabinet!

[Johnny Guitar]

Here is a Spectrum 1 Cab ( not mine ).  I had a Spectrum 1 as my first big amp when I was 16 ( 1971 ).
I made a new baffle board and added a 2nd D-130.  I'm not sure how I did it but I had them vertical, they must have been almost touching.  The Spectrum II & Sentura II cabs ( same 11 1/2" cab ) had them staggered.
Johnny G.

[Johnny Guitar]

Another topic that comes up concerning a 115 amp / cab is the Sonic 1.
The catalog shows it with the 15" deep cab ( 1/2  200S cab ).  But is says " Available with 15-inch JBL D-140-F speaker as model 1-40 at additional cost".  So the 40 watt amp comes with the standard 15" Sunn speaker and is called a "Sonic 1".  With the optional D-140 speaker it is called a "Sonic 1-40".
Johnny G.

[EdBass]

This is a Sonic I40 cab with a 40 watt split chassis amp driving it, to the left of my B15N. It's actually a little more than half the size of a 200S, as it's 24" X 24" X !5" without casters. That one also has a K140 in it, and the D140F it was born with is soon to be in the B15N replacing the Ampeg's stock CTS.

[OR120]

Y'all guys are great! Thanks for all the pictures and input. I'm honored to be a part of this group! Makes me feel GOOD to know I started with Sunn gear in 1972, and almost 40 years later have a wall of it in my basement.