The line stage circuit is the same transformer- coupled Class A1 balanced triode design found in the Statement Line Stage. The external power supply has dual-mono recti cation and ltering of the crucial high voltage supplies for superb, spacious imaging and great preservation of nuance. The remote volume control is of the direct-acting analogue type and continuously variable, so you easily can the precise level that makes the music snap into focus.
The audio connectors are premium rhodium plated Cardas and Neutrik Professional. There are three high level inputs, two of which may be balanced or single-ended, just like the output.
Vinyl lovers may specify the optional MM MC phono stage, which features three twin triodes operating in pure Class A1, variable MC impedance loading, and purely passive, precise RIAA equalization. The circuit topology is derived from the Signature Mk IIa SE, di ering principally in the number of tubes employed, and uses the same premium MC input transformers. The results rival and exceed those delivered by many more costly separate phono stages. You should expect nothing less of a VAC.
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Gain |
10 dB |
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Frequency Response |
Flat over audio band –3 dB bandwidth 5 Hz – 210 kHz |
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Inputs |
2 sets balanced/RCA selectable inputs Optional 1 MM and 1 MC (or additional RCA line input if phono is not fitted) |
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Outputs |
1 set RCA 1 set balance XLR (EIA “pin 2 hot” studio standard) |
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Tubes |
2x 7308, 6922, E88CC, ECC88, or 6DJ8 twin triodes |
| Absolute Phase | Correct from all inputs to all outputs |
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THD |
<0.009% @ 1 kHz, 1 V RMS |
| Maximum Output | 8 V RMS |
| Output Impedance | > 150 ohms, 20 Hz - 20 kHz, static (i.e., not dependent upon feedback) |
| Maximum Input | Infinite signal (attenuation precedes the gain circuitry) |
| Recommended Output Load | < 300 ohms |
| Power | External power supply, detachable umbilical cable, detachable IEC power cord |
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Voltage |
May be factory configured for operation at 100, 120, 220, or 230/240 volts |
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Power Cord |
Detachable power cord, standard IEC power receptacle |
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Remote Control |
included |
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Illumination |
Illuminated logo may be switched to bright, dim, or off |
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Finish |
Hand-rubbed gold-flake gloss black lacquer with chrome knobs standard. Hand-rubbed metallic gloss silver lacquer with chrome knobs special order with additional cost. |
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Warranty |
Two years parts and labor, excluding tubes (USA, see manual for full details) |
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Dimensions (H x W x D) |
Audio chassis (not including knobs and connectors): 4" x 18" x 16"
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Shipping Weight |
44 lbs. |
Optional Phono Stage Technical Specifications
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Tubes |
3x 12AX7 |
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Gain |
44 dB MM 62 or 68 dB MC (switchable on units made after September 1, 2017) |
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Frequency Response |
RIAA standard +/- 0.2 dB (20 Hz - 20 kHz) -3 dB bandwidth 10 Hz - • 80 kHz |
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Channel Separation |
> 77 dB @ 1 kHz |
| MC Load Impedance | selectable, 470, 300, 250, 200, 150, and 100 ohms |
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Overload |
117MV @ 1kHz = 8 volts RMS output; 460MV @ 10kHz |
| Residual Noise | Less than 3MV at output (s/n ratio greater than approx. 69db) |
*Specifications subject to change without notice.
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