Are they audiophile quality? Soundwise for sure, pricewise no. They are GREAT for low-powered single-ended tube amps, because of their 93dB sensitivity. Horns. Ported, excellent sound.
SB-2 specifications
Sensitivity: 93dB @ 1 watt / 1 meter
Bandwidth: 54Hz–20kHz±3dB
Nominal Impedance: 8 ohms
Crossover Frequency: 2400Hz
Power Handling: 85 watts maximum continuous
(340 watts peak)
Enclosure Type: Bass reflex via wide flare, rear-firing port
Drive Components: Two-way system using one 1" (2.54cm)
K-101-S neodymium magnet, aluminum dome compres-
sion driver with a 90° x 60° Tractrix Horn and one
6.5" (16.51cm) K-1092-SB magnetically shielded
woofer featuring a polymer housing and IMG cone
Net Weight: 13 lbs. (5.9kg)
Height: 15" (38.1cm)
Width: 7.3" (18.5cm)
Depth: 9.75" (24.7cm)
Cabinet: Medium density fiber board construction (MDF)
Finish: Woodgrain vinyl veneer