Maxell Test CD Track 4 Polarity Test

The other night I using my Maxell test cd (track 3) to test for an off center image.

Track 4 is a polarity test. Three tones: 1st in phase, 2nd out of phase, 3rd in phase. With conventional speakers the results are as expected. 1st and 3rd louder than the 2nd.

However with the 2.3TL's I get the opposite; out of phase is louder and the in phase is softer and this is with the interconnect cable connected or disconnected. I remember running this test before I did the internal rewire and the results were the same but I did not bring it up at the time.

I have always checked the 2.3TL's with a battery to double check polarity and everything checks OK.

Am I missing something or is there something about SDA's that fool this test?
Mojo Audio Joule v5>>Quantum Byte w/JRiver 21 and Fidelizer>> Starlight 7 USB >> Marantz SA 8005>> Equinox 7>>
ModWright SWL 9.0 SE Signature >>Equinox 7>>
Hafler DH-500 Amp+ (Musical Concepts PA-6 Elite Mod) >>Belden 5000 10 ga cables>>
SRS 2.3TL (Fully Modified)...SDA-1A (Fully Modified with Dimensional Tweeter Delete)
1KVA Dreadnought
Pioneer PLX-1000 Turntable - Shure SC35C/N35X - V15III/VN35HE
Yamaha TX-540 Tuner...Sony BDP-S570

Separate subpanel with four dedicated 20 amp circuits.
1. Amplification 2. Analog 3. Digital 4. Video

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