Pani,you want a "single ended" "solid state class A preamp"? here is just one I Googled. But remember they will have mostly capacitors in the signal path or maybe a coupling transformer to stop dc offset from getting to the poweramp/s.
Audio Electronic Supply Solid State Preamplifier AE-2; T-MOSFET, pure class A, single-ended; gain 15 dB line stage/40 dB phono stage; three separate regulated power supplies; output 10V; input impedance 100 kOhms line stage/47 kOhms phono stage; output impedance 620 Ohms; inputs: phono, CD, Aux1, Aux2 (RCA); outputs: one set of tape-out-RCA, one set of line-out-RCA; size 3.25"H x 15"W x 12"D; weight 9 pounds; black metal chassis; $599; Audio Electronic Supply, 111-A Woodwinds Industrial Court, Cary, North Carolina 27511; Phone (919)-460-6461; Fax (919)-460-3828.
Cheers George
Audio Electronic Supply Solid State Preamplifier AE-2; T-MOSFET, pure class A, single-ended; gain 15 dB line stage/40 dB phono stage; three separate regulated power supplies; output 10V; input impedance 100 kOhms line stage/47 kOhms phono stage; output impedance 620 Ohms; inputs: phono, CD, Aux1, Aux2 (RCA); outputs: one set of tape-out-RCA, one set of line-out-RCA; size 3.25"H x 15"W x 12"D; weight 9 pounds; black metal chassis; $599; Audio Electronic Supply, 111-A Woodwinds Industrial Court, Cary, North Carolina 27511; Phone (919)-460-6461; Fax (919)-460-3828.
Cheers George