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About the Sigma 170i iQ
The Valve Amplification Company (VAC) Sigma 170i iQ is a vacuum-tube integrated amplifier with VAC’s iQ Continuous Intelligent Automatic Bias system, which monitors and automatically maintains the output tubes’ bias. It is rated at 85 watts per channel and has transformer taps for 4-, 8-, and 16-ohm speakers. Standard features include a triode tube line stage, remote volume and mute, cinema bypass, and four line-level inputs. An MM/MC phono stage and a balanced XLR input are optional. Manufacturer information lists the Sigma 170i as a current product, so it is not identified as discontinued.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 85W @ 8Ω
- Power @ 4Ω
- 85W @ 4Ω
- Amplifier Class
- tube
- Minimum Impedance
- 4Ω
Analog Output
Analog signal output specifications
- THD
- 0.200%
- SNR
- 69 dB
- Max Output Voltage
- 8.0V RMS
Phono Preamplifier
Phono stage specifications
- MM Gain
- 37 dB
- MC Gain
- 57 dB
- Adjustable Loading
- No
- Adjustable Capacitance
- No
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
- Analog Outputs
- preamp output
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 457 × 203 × 440 mm (W × H × D)
- Weight
- 32 kg (71 lbs)
- Available Colors
- gold-flake gloss black lacquer, metallic gloss silver lacquer
Key Specifications
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions