this line stage features a total of 50 vishay s102 resistors- the best and most costly. the designer, guy hammel, claims this is the reason why the line stage is so transparent. he claims the s102 has a lower noise floor than any other resistor. the unit has been used only a few months. it is in virtual mint condition- but i have conservatively rated it 9/10. it also features an equally transparent headphone output. i don't own a camera and the unit is in the box.. however, if you must have photos, i will try to accomodate the buyer. rest assured, the unit is in the condition i stated in the ad.