The DACS Test Lab portable troubleshooting solution for pro audio engineers lets users test all major types of cables from XLR, 1/4-inch TRS, IEC mains, SpeakOn and RCA/phono. The Test Lab can operate on a pair of 9V batteries or AC power. An onboard frequency oscillator provides five critical options for testing a sound system. Users choose from 70 Hz, 1 kHz, 4.5 kHz, frequency cycle and pink noise.
Thermionic Culture Swift Stereo EQ distributed by Independent Audio is an all-tube two-channel stereo equalizer that features shelving bass and treble lift/ cut controls at two frequencies each, midcut and lift at four frequencies each with three “Q” combinations and air controls. It has a switchable high-pass filter that offers adjustable gain in 0.75 dB steps.