Headphone Reviews

Description: Battery-powered headphone amplifier. Frequency range: 10Hz–100kHz. Input impedance: 50k ohms. Input sensitivity: 500mV–4V peak–peak. Voltage gain: 6dB. Output impedance: 16 ohms at 2kHz. Output stage current device: 250mA.
Dimensions: 3.5" (90mm) W by 2.5" (65mm) H by 1.5" (40mm) D. Weight: 11oz (315gm).
Serial number of unit reviewed: 6124.
Price: $395. Approximate number of dealers: 1 (sold direct).
Manufacturer: Ray Samuels Audio, 8005 Keeler, Skokie, IL 60076. Tel: (847) 673-8739. Web: www.raysamuelsaudio.com.