Operation Manual

SVT-4 PRO Bass Guitar Amplifier

Output Power Rating Mono-Bridged: 1600 watts rms @ 4 ohms

(1200 watts continuous), 3% THD

Mono-Bridged: 1200 watts rms @ 8 ohms

(900 watts continuous), 3% THD

2 x 900 watts rms @ 2 ohms (600 watts continuous), 3% THD

2 x 625 watts rms @ 4 ohms (490 watts continuous), 3% THD

2 x 350 watts rms @ 8 ohms (300 watts continuous), 3% THD

Signal to Noise Ratio 85 dB

Compression Ratio 10:1 (2 dB change in output for 20 dB change in

input [50 mV to 500 mV])

Maximum Gain 68 dB @ 1 kHz, tone controls centered,

@ bridged output

Tube Complement 12AX7 (3)

Tone Controls Bass: +12 / –12 dB @ 50 Hz

Midrange: +15 / –15 dB @ 220 Hz, 450 Hz,

800 Hz, 1.6 kHz or 3 kHz

Treble: +14 / –19 dB @ 5 kHz

Graphic EQ Level +10 / –10 dB

Graphic EQ Range 33 Hz: +15 / –15 dB

80 Hz: +8 / –8 dB

150 Hz: +8 / –8 dB

300 Hz: +8 / –8 dB

600 Hz: +8 / –8 dB

900 Hz: +8 / –8 dB

2 kHz: +8 / –8 dB

5 kHz: +9 / –9 dB

8 kHz: +10 / –10 dB

Bright Switch +6 dB @ 2 kHz

Ultra Hi Switch +6 dB @ 5 kHz

Ultra Lo Switch +2.5 dB @ 50 Hz

–12 dB @ 560 Hz

+1.5 dB @ 5 kHz

Footswitch Jack Effects Bypass (mono); Graphic EQ On/Off,

Mute On/Off [Tip = Mute, Ring = EQ]

Power Requirements [Domestic]: ~100–120 VAC, 50–60 Hz, 1.4 kVA, 1.4 kW

[Export]: ~200–240 VAC, 50–60 Hz, 1.4 kVA, 1.4 kW

SVT–4 PRO Technical Specifications