Conrad-Johnson ART 108A Manuale d'uso - Pagina 11

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Specifications

Power: 160

30 to 15KHz at no more than 1.5% total harmonic distortion.

Sensitivity: 1.0 V rms to rated power

Small Signal Distortion: less than .25% at mid-band

Frequency Response: 20Hz to 20 kHz +0/-.25 dB

Hum and Noise: < 200 uv

Phase: phase correct

Input Impedance: 100 kOhms

Tube Complement: 3 x 6922, 8 x KT88

Important Note: output tubes must be replaced with matched

quads selected for use in this amplifier.

Mechanical

Dimensions: 21.0"D x 19"W x 8.625"H

Net Weight: 89 lb net

Fuses

The ART 108A Amplifier power transformer is protected by a

fuse on the ac power line (F5, located in a compartment in the ac

line-cord receptacle mounted on the back of the amplifier), and by

four separate internal fuses on the secondary circuits of the

transformer (F1 – F4) located on the bottom of the pc board. A

failure of any of these fuses is a symptom of a more serious

problem,

consulted. In no event should fuses be replaced with a value

or type different than that originally supplied. The correct fuse

values and types are:

Power 420 Watts , 120VAC/60HZ , 3.5 Amps

Power 420 Watts , 240VAC/50HZ , 1.75 Amps

Watts rms both channels driven into 4 ohms from

and

a competent

F5: 5x20mm 12 amp T-type if configured for 100 or 120V:

5x20mm 6.3 amp T-type if configured for 220 or 240V.

F4: 5x20mm 3.15 amp T-type

5x20mm 200ma T-type

F2, F3 5x20mm 800 MA type

Conrad-Johnson ART 108A Amplifier Owner's Manual

service technician

should be