B77 & PR99 conversion

pr99 slot  Dear Techs, does any one have any idea of if the REVOX PR99 Reproduce only player can be modified to do recording? Each side piece has a slot machined along its full length top to bottom, 1mm from the outer edge This slot locates the upper and lower

Each side piece has a slot machined along its full length top to bottom, 1mm from the outer edge This slot locates the upper and lower Dear Techs, does any one have any idea of if the REVOX PR99 Reproduce only player can be modified to do recording?

PR99), Portable , Cassette slot FX chain A modulation matrix with assignable LFOs The slot is essentially a 'general purpose' add-on slot A standard, basic, stereo PR99 has that slot empty Click to expand Thank you for