This unit is an
Ebtech HE-8 8-Channel Hum Eliminator, the industry-standard rackmount solution for eliminating 60Hz ground loop hum, buzz, and noise from professional audio rigs. Manufactured by Ebtech — now a division of
Morley — and Made in the USA, the HE-8 is one of the most trusted and widely used noise elimination tools in professional studios, live sound rigs, broadcast facilities, ham radio setups, and installed AV systems.
Specifications
- Channels: 8
- Format: 1U rackmount, standard 19" rack width
- Connectors: 1/4" TRS "Smart Jacks" — 8 IN + 8 OUT on rear panel; accepts any combination of TS (unbalanced) or TRS (balanced) plugs
- Operation: Completely passive — no power required
- Frequency response: 20Hz to 70kHz ±0.5dB
- Distortion: <0.005% THD @ 1kHz
- Crosstalk: Better than -97dB
- Maximum source impedance: 1kΩ
- Minimum load impedance: 10kΩ
- Dimensions: 19" L × 6.25" W × 1.75" H (1U)
- Rack ears: Reversible
- Made in USA
Unit is in excellent used condition. Faceplate printing is sharp and fully legible. All 16 jacks (8 IN, 8 OUT) appear intact and undamaged. Rack ears are straight with no visible rack rash. Top surface shows minor handling marks only.