Tascam Porta one R/P AMPL PCB 52101528-04 52101528-03 -02 AN6291 Dbx option:003 This has to go by

This has to go by courier as long and need be packed well

Tascam Ninjas renovated heads offer good value for money

i saw some different numbers but it appears the digits are the date code 851 week 1 1985

I have taken a photo of one type so you can match it up

This has to go by courier because of its size and length

Tascam Porta one R/P AMPL PCB 52101528-04 52101528-03 -02 AN6291 Dbx option:003 This has to go byTascam started to shrink their units down from the old Portastudio 144 machines and as a result cut the board down about 50% this is from a working unit, but contains a wealth of parts noted is 3 of the Panasonic AN6291 dbx chips these are about 6 8 pounds each if you can find them and are used in many machines not just Tascams. Nice 60khz oscillator block , compression trimmers and quite a few op amps etc, it seems most of the connections are via