TECHNICAL SPECIFICATIONS
Output power (4/8 Ohm), W — 50/25 Frequency response, Hz — 20 – 20 000 (±0 dB) Input sensitivity, V – 0,7 (RMS) Signal-to-noise ratio, dB — 100 THD (50 % of maximum power), % — <0,1 Dimensions, mm – 480 х 280 х 500 Weight, kg — 37
DESCRIPTION
Thunderbird has four Russian powerful pentode 6550 in push-pull output buffer and double triode 12ax7 (ECC83) in driver stage. Comparing Blackbird our Thunderbird has got the power supply with much more resources. There are 430 W main transformer besides separate transformers to feed tubes' grids and servo circuits. There are five line inputs (3 х RCA, 2 x XLR), Direct input, three outputs (XLR, RCA and Rec), Headphone output and four pair of S.A.Lab designed silver plated acoustic binding posts for bi-wiring/amping
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