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Audison vrx 2 150 Manual

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Wooden strip removal
Unscrew the two fixing screws.
Disconnect the wire for logo illumination.
It is sometimes necessary to install VRx so that its audison logo is upside down. Rotate it of 180˚ according to the
instructions written below in order to have it in the right position again.
You need to remove the wooden strip which protects calibration and configuration controls in order to act onto them.
The wooden strip removal is also necessary to install modular extensions which require the plate replacement: PRM3,
SM24, PC36, DSC1, HL12, BH12, HL24, LM24, BSA1.
Lift the printed circuit and rotate the transparent
inscription of 180˚ (as from drawing).
Mount everything back again.
- 25 -
SHORT
GUIDE
Remove the wooden strip.
1
Turn the wooden strip upside down and unscrew the
four screws.
2 3
Illuminated logo rotation
Inputs panel with
multichannel
extensions:
HL12 - BH12 - LM24
HL24 - BSA1
POWER SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 ÷ 15 VDC
IDLING CURRENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.1 A
IDLING CURRENT WHEN OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .< 0.04 mA
CONTINUOUS NOMINAL POWER Tol.: (+10%/-5%); 0.3% THD; 12 VDC
2 ch on 4 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 W + 200 W (RMS)
CONTINUOUS POWER Tol.: (+10%/-5%); 1% THD; 12.6 VDC
2 ch on 4 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 W + 250 W (RMS)
CONTINUOUS POWER Tol.: (+10%/-5%); 1% THD; 13.8 VDC
2 ch on 4 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 W + 250 W (RMS)
2 ch on 2 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .450 W + 450 W (RMS)
2 ch on 1 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .580 W + 580 W (RMS)
1 ch bridged on 4 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .900 W (RMS)
1 ch bridged on 2 Ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1160 W (RMS)
THD DISTORTION (1 kHz; 90% Nominal Power) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.02 %
IMD DISTORTION (90% Nominal Power) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.06 %
BANDWIDTH (-3dB; Nominal Power) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Hz ÷ 70 kHz
S/N RATIO (A weighed - 1 VRMS input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 dBA
REMOTE IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 ÷ 15 VDC
REMOTE OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 VDC - 150 mA
INPUT SENSITIVITY (high) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.15 ÷ 1.5 VRMS
INPUT SENSITIVITY (low) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.50 ÷ 5.0 VRMS
INPUT IMPEDANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 kOhms
LOAD IMPEDANCE (stereo) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 4 - 2 - 1 Ohm
LOAD IMPEDANCE (bridged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 4 - 2 Ohms
SIZE (W x H x D) inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240 x 64 x 432
SIZE (W x H x D) inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.4 x 2.5 x 17
INTERNAL FUSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100A
ABSORBED CURRENT AT MAXIMUM MUSICAL POWER - EXTERNAL FUSE CHOICE
13.8V - 4 Ohms stereo or 8 Ohms bridged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 A
13.8V - 2 Ohms stereo or 4 Ohms bridged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 A
13.8V - 1 Ohm or 2 Ohms bridged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 A
Measures were realised through a test-set consisting of Rohde & Schwarz UPD audio analyser, HP 6453A power supply
(200A continuous) and 14F capacitive booster made with audison cable Superfarad capacitors.
Please always choose a fuse of equal or slightly higher value (max 10%) than indicated.
Note: The use of MAC2 cooling system is strongly recommended when the amplifier is employed at full power with 1
Ohm stereo or 2 Ohm bridged loads.
Technical features
VRx2.400
- 44 -
… 27 …


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