Sidebar 1: Specifications
Stax SR-Omega: Open-back design. Transducer principle: electrostatic, push-pull. Frequency range: 6Hz–41kHz (no tolerance specified). Sensitivity: 99dB/100V RMS input (1kHz). Maximum SPL: 120dB at 400Hz.
Weight: 1.3lb (580gm, less cable).
Serial number of unit reviewed: 00133.
Price: $3000, headphones only; $4000 with SRM-T1 tube amplifier; $4500 with SRM-T1S balanced-input tube amplifier (1995). SRM-T1S direct-drive amplifier: Frequency response: DC–44kHz, –1.5dB. Gain: 60dB. THD: 0.02% at 100V RMS output. Maximum output voltage: 300V RMS. Input impedance: 50k ohms × 2 for balanced input). Bias voltage: 580V DC (Pro headphones), 230V DC (normal headphones). Inputs: input 1 unbalanced, input 2 balanced or unbalanced. Outputs: 2 for Pro-series headphones only, 1 for normal headphones.
Dimensions: 4" (103mm) H × 7" (195mm) W × 14.8" (375mm) D. Weight: 7.5 lbs (3.4kg).
Serial number of unit reviewed: B9294.
Price: $1600 (1995).
Both: Approximate number of dealers: 250.
Manufacturer: Stax Limited, 3798-1 Shimonanbata, Fujimi-shi, Saitama-Ken, Japan 354-0004. US distributor: Stax Kogyo, Gardena, CA 90247 (1995); RPD Ltd., 428 Hemphill Street, Fort Worth, TX 76104 (2020). Web: stax-international.com.
Weight: 1.3lb (580gm, less cable).
Serial number of unit reviewed: 00133.
Price: $3000, headphones only; $4000 with SRM-T1 tube amplifier; $4500 with SRM-T1S balanced-input tube amplifier (1995). SRM-T1S direct-drive amplifier: Frequency response: DC–44kHz, –1.5dB. Gain: 60dB. THD: 0.02% at 100V RMS output. Maximum output voltage: 300V RMS. Input impedance: 50k ohms × 2 for balanced input). Bias voltage: 580V DC (Pro headphones), 230V DC (normal headphones). Inputs: input 1 unbalanced, input 2 balanced or unbalanced. Outputs: 2 for Pro-series headphones only, 1 for normal headphones.
Dimensions: 4" (103mm) H × 7" (195mm) W × 14.8" (375mm) D. Weight: 7.5 lbs (3.4kg).
Serial number of unit reviewed: B9294.
Price: $1600 (1995).
Both: Approximate number of dealers: 250.
Manufacturer: Stax Limited, 3798-1 Shimonanbata, Fujimi-shi, Saitama-Ken, Japan 354-0004. US distributor: Stax Kogyo, Gardena, CA 90247 (1995); RPD Ltd., 428 Hemphill Street, Fort Worth, TX 76104 (2020). Web: stax-international.com.
