Pass Laboratories Quick Guide

Listing Results Pass Laboratories Quick Guide

Frequently Asked Questions

• What are the different types of passpass labs preamps?

  Pass Labs preamps are divided into two series; Xs and XP. The former range sports two top of the line models (Xs Phono and Xs Preamp), whereas the latter consists of five items in total; XP-10, -12, -20, -22 and -30.

• What do you think about the Pass Labs xp-12?

  As far as numbers go, power consumption is 30 watts, gain is 9.3dB, crosstalk goes beyond 100dB, FR at 10Hz is +/-0.5dB and -1dB at 100kHz, then there’s 15uV of residual noise and THD of 0.001%@1kHz seals the deal. Pass Labs XP-12 shares visuals with many other products by the same manufacturer, it’s obvious from the get-go who made it.

• What is pass-through billing and how does it work?

  Pass-through billing has mostly Passed on. Pass-through billing is an arrangement between a physician practice and a reference laboratory that allows the physician practice to submit specimens to the reference lab for testing, pay that laboratory directly, and then bill the payer (insurance or patient) for the test, usually at a higher fee.

• How do you use a nasal swab to collect blood samples?

  Using gentle rotation, push the swab until resistance is met at the level of the turbinates (less than one inch into the nostril). Rotate the swab several times against the nasal wall, and then slowly remove from the nostril. Using the same swab, repeat sample collection in the other nostril.