VTL MB750 monoblock power amplifier Specifications

Sidebar 1: Specifications

Description: Vacuum-tube monoblock amplifier with class-AB-1, tetrode/triode-switchable, push-pull output stage. Rated output power: 20Hz-20kHz, <3% THD, 750W (26.7dBW) tetrode, 350W (23.4 dBW) triode. Small-signal frequency response: 20Hz-20kHz ±0.05dB. S/N ratio at 120Hz, 750W tetrode/350W triode: >95dB. Input sensitivity for full output power: 1.7V. Voltage gain: 31.3dB tetrode, 27.8dB triode. Input impedance: 130k ohms single-ended, 274k ohms balanced. Output impedance: approximately 1.5 ohms. Power consumption: 440W at idle, 1300W at full power. Tube complement per side: twelve 6550C, two 6350, one 12AT7.
Dimensions: 19" (483mm) W by 21" (533mm) H by 10" (254mm) D. Net weight/shipping weight, per amp: 130 lbs/140 lbs (59kg/64kg).
Serial numbers of units reviewed: 96201328, 96201330.
Price: $14,490/pair. Approximate number of dealers: 35. Manufacturer: Vacuum Tube Logic, 4774 Murietta Street, Suite 10, Chino, CA 91710. Tel: (909) 627-5944. Fax: (909) 627-6988. E-mail: mail@vtl.com. Internet: http://www.vtl.com/.

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