Concertino
Goldster Audio
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Amplifier

Special Features Pure Class A triode mode integrated amplifier
only to use with the Goldster Audio Concertino Loudspeakers
 

Technical Description anode follower, SRPP power triode
without overall negative feedback

Tubes, each channel 1 x ECL 82 / 6BM8 1- and 7 Watts plate-dissipation (pre and driver stage)
1 x 6AS7 G dual-power-triode 2 x 13 Watts plate-dissipation (Power Amplification)

Frequency range adjusted frequency response for use with the Concertino Speaker
(45Hz–20kHz ±3dB)

Input Impedance 10kΩ + 50kΩ direct coupled

S/N ratio 84dB Ref. 1W; 28.3V/600Ω

Input Sensitivity 0.5Vrms

Output Power about 7.5 Watts @ 180Hz (frequency dependent)

Harmonic distortion <0.3% @ 1 Watt/1kHz
<1.5% @ 5 Watts/1kHz
2nd harmonics >80% of THD @ 120Hz–16kHz

Load impedance 600Ω (Concertino Speaker)

Inputs 2 x line RCA/Chinch gold plated

Output R/L screw connectors, gold plated

Power Consumption 190 Watts

Dimension approx.
Height:180mm(7.1 in)
Width:335mm(13.4 in)
Depth:160mm(6.3 in)

Weight 8kg (17.5lb.)



Speakers (pair)

Special Features High impedance vintage-style fullrange speaker with integrated transformer
only to use with the Goldster Audio Concertino Amplifier

Technical Description full range system
ported enclosure

Drive Unit ∅120mm (4.5 in) double cone vintage-style fullrange driver

Frequency range −6dB at 45Hz and 20kHz

Frequency response 80Hz–17kHz ±3dB on reference axis

Dispersion Within 3dB of reference response horizontal and vertical over 15° arc

Sensitivity 88dB spl (28.3V, 1m)

Harmonic distortion 2nd and 3rd harmonics (85dB, 1m) <1.2% 120Hz–16kHz

Nominal impedance 600Ω

Power handling 2.5–9.5 Watts into 600Ω on unclipped programme

Connectors screw connectors, gold plated

Dimoension approx.
Height:290mm(11.4 in)
Width:160mm(6.3 in)
Depth:160mm(6.3 in)

Weight 4.2kg (9.2lb.) a piece

The specifications of the product can be subject to change at any time without prior notice.

 

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Language/Sprache Deutsch