VTL S-400 Reference power amplifier Specifications
Description: Tubed stereo power amplifier. Inputs: 1 pair unbalanced (RCA), 1 pair balanced (XLR). Outputs: 2 pairs binding posts. Tube complement: two 12AT7, two 6350, twelve 6550C (KT88). Rated power output at <3% distortion: 300W into 8 ohms (24.8dBW), 400Wpc into 4 ohms, tetrode (23dBW); 150Wpc into 8 ohms (21.8dBW), 200W into 4 ohms (20dBW), triode. Frequency response: 10Hz–125kHz, +0/–3dB. Output impedance: ca 1–1.5 ohms. Input impedance: 57k ohms. Input sensitivity: 2.2V for full output. Power consumption: 480W at idle, 2500W at full power.
Dimensions: 24" (615mm) H by 11.5" (295mm) W by 24" (615mm) D. Weight: 220 lbs (100kg) net, 330 lbs (150kg) shipping.
Serial number of unit reviewed: 04376106 (auditioning); 05146432 (measuring).
Price: $20,000 (add $1000 for KT88 output tubes). Approximate number of dealers: 47. Warranty: 5 years electronics, transferable.
Manufacturer: VTL Amplifiers Inc., 4774 Murrieta Street, Suite 10, Chino, CA 91710. Tel: (909) 627-5944. Fax: (909) 627-6988. Web: www.vtl.com.