HeadRoom BlockHead headphone amplifier Specifications
Description: Dual-mono, fully balanced, solid-state headphone amplifier. Inputs: 1 pair XLRs. Outputs: 1 pair Neutrik dual ¼" TRS/XLR connectors. The following measurements were taken with a 300 ohm load, equivalent to Sennheiser HD 600 headphones: Maximum voltage gain: 15.5dB. Frequency responses: 20Hz-30kHz, ±0.025dB; 10Hz-100kHz, ±0.2dB. Distortion at 1V RMS in, 2V RMS out (10Hz-22kHz measurement bandwidth): 0.0009% (-101.2dB). Crosstalk: ±105dB, 20Hz-20kHz; ±120dB at 1kHz. Noise: -132dB ref. 1.9V output. Input impedance at 1 kHz: >200k ohms. Output impedance: 0.06 ohm.
Dimensions: 14.5" W by 3.5" H by 14" D. Weight: 12¼ lbs.
Serial numbers: Unit reviewed: none found. Unit measured: none found.
Price: $3888. Approximate number of dealers: sold direct. Warranty: 5 years, 30-day money-back guarantee.
Manufacturer: HeadRoom Corporation, 521 East Peach Street, Bozeman, MT 59715. Tel: (800) 828-8184, (406) 587-9466. Fax: (406) 587-9484. Web: www.headphone.com.