DB Systems has used equipment for sale from time to time.  All items are refurbished and tested to new specifications and come with a 1 year factory warranty.  Prices are approximate depending on the state of the unit.

As of Nv22 the following are available:

DB-1B/2A SN: 1020448+2210120, 8-1/2" face plate, new gold jacks 725
DB-3 18 dB, 80Hz crossover, SN: 3070941, tin jacks worn but serviceable 420
DB-4 SN: 4190453 tin jacks 225
DB-6M Mono Amplifier (14000ufd) SN: 6021141 560
DB-6A Stereo amplifier, SN: 6121060 875
DB-6A-M Mono amplifier, SN: 6260962, 875
DB-6A-M Mono amplifier, balanced in and Speakon out. SN: 6110173 925
Pair DB-6A-M+ Mono amplifiers with additional switched Balanced In (XLR) and triple power supply capacitance (126,000 uf). 2300

DB-2A cosmetic imperfections 180
DB-3, 2-way 18dB Butterworth , your choice of one frequency, DB-2A required 450
DB-3, 3 way 18 dB Butterworth your choice of 2 frequencies DB-2A required 520
DB-3, 2 way, Butterworth, 150 Hz, DB-2A required 350
DB-3, 2-way 24 dB Linkwitz-Riley, 80 Hz, gold jacks SN: 3B220420 580
DB-500e  Crossover--special 3 channel crossover with  24 dB L/R low pass (summed all three channels), 12 dB BW high pass, switch for Academy rolloff.  200 + psy
DB-3XL Switchable Crossover Front panel selectable frequencies of
50, 70, 100 and 150 Hz, 18 dB Butterworth slope, level controls on front,
rack mount, internal power supply. Custom built for dealer demos. Spec Sheet   595
DB-4B Pre-Preamp 210
DBP-2 Switchbox, 4 inputs, captive cable output, nickel jacks 46
DBP-3 Walnut cabinet 40