








Radian 850 Matched Pair
These are tweeters only. They do not include any of the high pass filter network components. These are upgrades for Omen Def Mk.II speakers that were not the Supreme package and you are wanting to install your own favorite high-pass network. Simply remove the old tweeters and adaptor plates and mount these up.
Price is for a matched pair (2x).
This kit will not fit the original Omen Def [Mk.I] or the Omen Def Mk.I-B loudspeakers.
Radian 850PB-8 tweeters. We love these things—yes they are big and heavy, but they are so sweet and agile. All offered here are tested for pass/fail and then paired. How tightly do each of the grades pair? See detail and traces below.
600–18kHz bandwidth (horn dependent).
2" throat.
4" x 4 mounting (M6 threads).
8" OD x 3" tall.
15 pounds.
Radian 850PB Ad Copy + Spec's Download
Price Includes:
2x Radian 850PB-8 drivers (matched).
60-day satisfaction guarantee—we cover your return shipping.
5-year warranty on materials and workmanship.
These are tweeters only. They do not include any of the high pass filter network components. These are upgrades for Omen Def Mk.II speakers that were not the Supreme package and you are wanting to install your own favorite high-pass network. Simply remove the old tweeters and adaptor plates and mount these up.
Price is for a matched pair (2x).
This kit will not fit the original Omen Def [Mk.I] or the Omen Def Mk.I-B loudspeakers.
Radian 850PB-8 tweeters. We love these things—yes they are big and heavy, but they are so sweet and agile. All offered here are tested for pass/fail and then paired. How tightly do each of the grades pair? See detail and traces below.
600–18kHz bandwidth (horn dependent).
2" throat.
4" x 4 mounting (M6 threads).
8" OD x 3" tall.
15 pounds.
Radian 850PB Ad Copy + Spec's Download
Price Includes:
2x Radian 850PB-8 drivers (matched).
60-day satisfaction guarantee—we cover your return shipping.
5-year warranty on materials and workmanship.
These are tweeters only. They do not include any of the high pass filter network components. These are upgrades for Omen Def Mk.II speakers that were not the Supreme package and you are wanting to install your own favorite high-pass network. Simply remove the old tweeters and adaptor plates and mount these up.
Price is for a matched pair (2x).
This kit will not fit the original Omen Def [Mk.I] or the Omen Def Mk.I-B loudspeakers.
Radian 850PB-8 tweeters. We love these things—yes they are big and heavy, but they are so sweet and agile. All offered here are tested for pass/fail and then paired. How tightly do each of the grades pair? See detail and traces below.
600–18kHz bandwidth (horn dependent).
2" throat.
4" x 4 mounting (M6 threads).
8" OD x 3" tall.
15 pounds.
Radian 850PB Ad Copy + Spec's Download
Price Includes:
2x Radian 850PB-8 drivers (matched).
60-day satisfaction guarantee—we cover your return shipping.
5-year warranty on materials and workmanship.
Grade-2 PRIME are not offered and only used within Zu loudspeaker systems.
Grade-2 are not offered and only used within Zu loudspeaker systems. Representing ≈ 20% of all matched sets. Pairs receiving this grade have nearly identical tone prints and dynamic behavior. Average nominal SPL difference between pair is zero.
Grade-1 Representing ≈ 35% of all matched sets. Above average matching having nearly identical tone prints and dynamic behavior but allow for a few subtle divergence. Average nominal SPL difference between pair is 1/8dB.
Standard Grade Representing ≈ 40% of all matched sets. "Standard" is still a pretty tightly matched pair but allows for a few points of divergence within the tone print matching process. Average nominal SPL difference between pairs is a very low 1/4dB.

Radian 850 Standard Grade Matching—Differential Comparison. Measured at 110dB-SPL