Would like to know more analog crossovers similar to Fostex EN3000 and EN3020

ostex EN-3000

https://audio-heritage.jp/FOSTEX/etc/en3000.html

Pictures: https://www.hifido.co.jp/sold/17-11127-51780-00.html?LNG=E

Specs:

Model Channel divider
Specifications 2-3way electronic dividing network
Bandpass characteristic 18dB / oct
Input impedance 47kΩ
Input sensitivity 0.5V (rated output)
Rated output 1V (Low: 100Hz, Mid: 1kHz, High: 10kHz)
Maximum output 8V (+ 18dB / dBV, distortion 0.05% or less)
Output impedance 470Ω
Total harmonic distortion 0.005% or less (rated output)
Crossover frequency 2way-1: 500, 650, 800, 1.2kHz
2way-2: 2k, 3k, 5k, 8kHz
3way: 500, 650, 800, 1.2kHz (Low / Mid)
2k, 3k, 5k, 8kHz (Mid / High)
Output phase switching 0 °, 180 ° (Low, Mid, High)
S / N 100dB or more (IHF-A)
Input / output terminal RCA pin terminal (pure gold plating)
Power supply AC100V
Power consumption 4.3W
Dimensions Width 482x Height 44x Depth 235mm (19 "/ 1U Standard Rack Mount Size)
Weight 3.5kg

Fostex EN-3020 

Pictures and specs:

http://www.audiocostruzioni.com/r_s/accessori/fostex-an3020-crossower/fostex-en3020.htm

Manual available here:

https://www.fostexinternational.com/docs/tech_support/manuals.shtml

Thanks.

this is pro audio

The EN-3000 give you a fixed 18dB/octave slope, the EN-30290 is switchable between 12 and 18dB/octave.
For a DIY speaker project, a pioneer D23 is more flexible with select-able 6, 12 and 18dB/octave slope.

http://www.thevintageknob.org/pioneer-D-23.html