Gryphon Audio PANDORA
Image source — © Gryphon Audio
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Model name
PANDORA
Analog inputs (balanced)
3
Analog inputs (single-ended)
2
Analog outputs (balanced)
2
Analog outputs (single-ended)
1
Gain (dBu)
18
Input sensitivity (mV)
N/A
Output voltage (V)
N/A
Input impedance (balanced) (Ω)
50 000
Input impedance (single-ended) (Ω)
25 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Maximum output level (balanced) (dBu)
N/A
Maximum output level (single-ended) (dBu)
N/A
Volume control range (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
20 000
Signal to Noise Ratio (SNR, unweighted) (dB)
N/A
Total Harmonic Distortion + Noise (THD+N) (%)
< 0,005
Dimensions (mm)
480 x 135 x 400
Weight (kg)
7.5
Official link
So, what can Gryphon Zena flaunt? First of all, the traditional "double mono" balanced design for the Danish company and work in pure class A with zero feedback. The rotating regulator of the Athena model has been replaced with a discrete one with 43 steps of 2 dB each. The element base, as usual, is ultra–high class - SMD metal-foil resistors, Pickering relays.
The Gryphon Audio Essence Preamplifier is equipped with a pair of XLR connectors and three RCA inputs. The internal wiring is completely missing - all the circuitry is mounted on printed circuit boards. Microprocessor control allows you to fully customize the Gryphon Audio Essence Preamplifier "for yourself" by selecting the maximum signal level, starting values and calibrating any input within 8 dB.
The base for the Commander was the "dual mono" circuit, which was previously used for Pandora preamps. The novelty also received a single-stage A-class buffer built on two transistors and one resistor. The Commander's important features include zero feedback and a reduced noise level several times when compared with previous Gryphon Audio products.