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Power amplifiers stereo — Fezz Audio Fezz Mira Ceti 2A3
Description, images, technical data and specifications
Fezz Audio Fezz Mira Ceti 2A3
Image source - (c) Fezz Audio
The Fezz Audio Mira Ceti 2A3 is a Polish stereo valve amplifier, based on the directly heated 2A3 triode. It runs in parallel single ended form, giving pure class A operation.
Key specs that matter
Output is 2 x 3 W, with speaker taps for 4 and 8 ohm loads. Response runs from 10 Hz to 56 kHz at -3 dB, while THD stays under 0.25 percent. Power consumption is 90 W. The unit measures 340 x 360 x 215 mm and weighs 19.5 kg.
Engineering and use context
It uses two 2A3 output tubes and two 6SN7 drivers. Bias is adjusted automatically, and easily reached fuses protect the amplifier if a power tube fails. Three RCA inputs are fitted, with an optional pre-in, and the feet are anti-vibration designs chosen for its mass. Eight colour finishes are offered, and a remote control and tube cage are optional.
Pairing
With only a few watts available, the Mira Ceti suits high efficiency loudspeakers.
Key specs that matter
Output is 2 x 3 W, with speaker taps for 4 and 8 ohm loads. Response runs from 10 Hz to 56 kHz at -3 dB, while THD stays under 0.25 percent. Power consumption is 90 W. The unit measures 340 x 360 x 215 mm and weighs 19.5 kg.
Engineering and use context
It uses two 2A3 output tubes and two 6SN7 drivers. Bias is adjusted automatically, and easily reached fuses protect the amplifier if a power tube fails. Three RCA inputs are fitted, with an optional pre-in, and the feet are anti-vibration designs chosen for its mass. Eight colour finishes are offered, and a remote control and tube cage are optional.
Pairing
With only a few watts available, the Mira Ceti suits high efficiency loudspeakers.
Specifications
Model name
Fezz Mira Ceti 2A3
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
2 x 3
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
56 000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
< 0,25
Max power consumption (W)
90
Damping factor
N/A
Dimensions (mm)
340x360x215
Weight (kg)
19.5
Official link
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