




Brand: Esoteric
Esoteric Grandioso C1X Reference Pre-amplifier
Grandioso C1X Reference Preamplifier is Esoteric’s flagship dual-chassis design, combining a main control unit with a dedicated 29kg power supply for ultimate purity and power. Featuring the proprietary Ultra Fidelity Attenuator with 1,120 steps of 0.1dB precision, IDM-01 discrete amplifier modules, and EDLC Super Capacitors, it delivers breath-taking dynamics, absolute control, and lifelike musical realism. Its fully balanced dual-mono architecture with ES-LINK Analog ensures the purest signal path, while exquisite craftsmanship and refined controls make it the pinnacle of preamplifier design.
To secure a unit, please enquire directly regarding current availability, as lead times may vary.
Specifications
Esoteric Grandioso C1X Reference Pre-amplifier
Specification | Value |
---|---|
Product |
Grandioso C1X |
Type |
Linestage Preamplifier |
Analog audio inputs xlr/esl-a |
3 pairs |
Analog audio inputs xlr/esl-a input impedance |
50kΩ |
Analog audio inputs xlr/esl-a input sensitivity |
500mV (at reted output) |
Analog audio inputs xlr/esl-a maximum input level |
12V |
Analog audio inputs rca |
2 pairs |
Analog audio inputs rca input impedance |
68kΩ |
Analog audio inputs rca input sensitivity |
500mV (at rate output) |
Analog audio inputs rca maximum input level |
12V |
Analog audio outputs xlr |
2 pairs |
Analog audio outputs xlr output impedance |
30Ω |
Analog audio outputs xlr rate output |
2V |
Analog audio outputs xlr maximum output level |
17V |
Analog audio outputs esl-a |
2 pairs * Option: Changing the ESL-A terminals with RCA terminals. |
Analog audio outputs esl-a output impedance |
30Ω |
External control rs-232c terminal |
D-sub 9-pin × 1 |
External control trigger in terminal |
3.5mm Monaural Mini jack × 1 |
External control trigger in input level |
12V, 2mA |
External control trigger out terminal |
3.5mm Monaural Mini jack × 2 |
External control trigger out output level |
12V, 100mA (total) |
Power consumption |
15W (L), 15W (R) |
External dimensions main unit (w×h×d) |
445 × 132 × 449mm |
External dimensions main unit (inches) |
17-⅝" × 5-¼" × 17-⅝" |
External dimensions power unit (w×h×d) |
445 × 132 × 452mm |
External dimensions power unit (inches) |
17-⅝" × 5-¼" × 17-⅞" |
Weight main unit |
20.2kg / 44.6 lb |
Weight power unit |
29.0kg / 64 lb |
Audio performance frequency response |
1Hz to 150kHz (–3dB, XLR IN, XLR OUT) |
Audio performance s/n ratio |
120dB (2V input, A weight, XLR IN, XLR OUT) |
Audio performance total harmonic distortion |
0.00035% (XLR IN, XLR OUT) |
Audio performance gain |
+12dB (XLR IN, XLR OUT) |
Product Details

Esoteric Grandioso C1X Reference Pre-amplifier
Sale price$59,500.00 AUD