Pass Labs pre-amplifier manual

1 X0.2 Owner’ s Manual pass TM X0.2 Owner’ s Man ual May 18, 2006[...]

2 X0.2 Owner’ s Manual The X0.2 is an ultra high quality three chassis line-stage audio pre-amplifier featuring remote control and internal power supply . It combines a completely new circuit topolog y with traditional constr uction representing thir ty fiv e years of preamplifier design. This pre-amplifier f lows from a commitment to create the [...]

3 X0.2 Owner’ s Manual The pre-amplifier consists of three machined aluminum c hassis; it has fiv e sets of input connections , two sets of outputs , both single- ended and balanced, a tape loop and a full function remote control unit that mir rors the front panel functions . The power supply control c hassis has a 5-way binding post that is used[...]

4 X0.2 Owner’ s Manual signal typically adds additional gain stag es and deg rades the inherent noise and distortion superiority of balanced signal, coloring what you eventually hear . P ass Labs , through its unique patented “Supersymmetr y” topolog y , maintains the advantages of a tr ue balanced signal throughout the electronics chain. The[...]

5 X0.2 Owner’ s Manual There are a total of five inputs , a separate tape loop and tw o outputs on each of the pre-amplifier c hassis . One chassis is ex clusiv ely dedicated to right channel and the other ex clusiv ely left channel. Balanced inputs and outputs are via XLR connectors . Single- ended inputs and outputs are via R CA connectors . On[...]

6 X0.2 Owner’ s Manual In application the X 0.2’ s front panel controls and alphanumeric display are quite straight forw ard, and intuitiv e. W e encourage you to become familiar with their operation prior to establishing any input connections with this unit. Experience indicates that engaging in a few minutes of exploration and pla ytime will [...]

7 X0.2 Owner’ s Manual up/ do wn arrow s . The up a r ro w toggles to a s trai ght thr ough fu ncti on wi th n eit her att enu ati on n or g ai n. This fun cti on i s u sefu l in th at i t all ow s t he p re- ampl ifi er t o f unct ion as a un ity buf fer for us e wi th co mpon ent s th at best fu ncti on wit h th eir ow n v ol ume con tro ls , s[...]

8 X0.2 Owner’ s Manual The electronic volume control allows greater than 70 dB range and is driv en by a micro-controller that reads the optical encoder whic h ser ves as a front panel v olume control. In this manner tracking of the volume for the tw o balanced c hannels is possible with accuracy unav ailable on any ordinar y volume control, assu[...]

9 X0.2 Owner’ s Manual Wi th ba la nc ed op er ati on , t he c omm on m ode r ej ect io n of th e pre am p re fle cts t he in tr in sic c omm on m ode r ej ect io n of th e to pol ogy , t he ma tc hi ng o f t he gai n dev ic es , a nd th e ma tc hi ng of t he at te n uat or c ha nne ls . In t hi s c as e we h av e b ee n a bl e t o k eep th e tot[...]

10 X0.2 Owner’ s Manual All figures obtained after 1 hour war m up , with regulated 120 V A C pow er line. See man ual notes about A C power line regulation. Gain, Balanced 12 dB Bal in, Bal output Gain, single-ended 12dB unbal in, unbal output Freq. R esponse -3 dB @ 2 Hz -3 dB at @ 100 kHz Distortion @ 1KHZ < .1 % THD , typ .003% @ 2v Maximu[...]

11 X0.2 Owner’ s Manual Please check with the factor y-authorized distributor in the countr y you are purchasing this product for specific w ar ranty infor mation. All P ass Laboratories products purchased from an authorized P ass Labora- tories dealer in Nor th America are cov ered by a transferable, limited 3-year warranty . This w ar rantee in[...]

12 X0.2 Owner’ s Manual W ater and moisture: Electrical devices should not be used near water ( as per example , near a bathtub , washbasin, kitc hen sink, laundr y tub , wet basement or swimming pool ). Care should be taken suc h that objects do not hav e the oppor tunity to fall, and that liquid is never spilled onto or into the device enclosur[...]