DATASHEET AX3504 Section Category Public Address Amplifiers Range AX3500 Code AX3504 Description 40W Amplifier The AX3504 amplifier has two balanced microphone inputs, one of them with an automatic precedence function (VOX). Two auxiliary inputs on RCA sockets enable connection to sources of music; there is a selector switch on the front panel for selecting the desired source. A line output is available for connection in cascade fashion of a second amplifier or of a recorder, if required. The equipment has provisions for connecting it to a telephone system by means of a terminal strip. This input, of the balanced type, has its own level control and has a VOX circuit for broadcasting messages with a higher priority than any other input (except for the microphone connected via the front panel). A precedence contact, available on the terminal strip, activates priority of the microphones over the sources of music and at the same time sends out a warning signal (CHIME). In order to exploit effectively the precedence function, it is possible to use the B701-M/B701-MG microphone stations. Rack-mounting is possible using a specific accessory. The output terminal strip enables low-impedance loads (8Ω) or constant-voltage loads (50, 70 and 100 V) to be connected. Selectable mains power supply (230/115V). Rev. 1.1 References 1. MIC.1 VOX activation threshold control. 2. MIC.1 balanced microphone input (with VOX). 3. Microphone input level controls. 4. Auxiliary input level control. 5. Auxiliary input selector. 6. Tone controls. 7. Mains switch. 8. Overload signalling LED. 9. Mains plug with built-in fuse. 10.Frame connection. 11.Loudspeaker output terminal strip. 12.Line output. 13.Auxiliary inputs. 14.MIC.2 balanced microphone input. 15.Adjustment of the level of the warning signal (Chime). 16.Terminal strip for precedence contact. 17.Balanced telephone input. 18.Telephone input activation threshold adjustment. 19.Telephone input level adjustment. 20.Terminal strip for external DC power supply. 21.Mains voltage selector switch. PASO S.p.A. reserves the right to make changes to drawings and specifications at any time and without notice. DATASHEET AX3504 Technical data Rated power output 40 W Constant voltage outputs 50 - 70 - 100 V Low impedance outputs 8W Distortion at rated output <0,5% Tones control Bass tones @100 Hz ± 10 dB Treble tones @10 kHz ± 10 dB MIC.1 microphone input (front panel) Sensitivity/Impedance S/N Ratio Frequency response 1 mV / 1300 W 64 dB 35 ÷ 20.000 Hz MIC.2 microphone input (rear panel) Sensitivity/Impedance S/N Ratio Frequency response Phantom supply 1 mV / 1300 W 61 dB 35 ÷ 20.000 Hz 16,5 V Auxiliary inputs CD Sensitivity 520 mV TAPE Sensitivity 250 mV S/N Ratio Frequency response 75 dB 30 ÷ 20.000 Hz Telephone input Sensitivity/Impedance S/N Ratio Frequency response 150 mV / 6 kW 73 dB 170 ÷ 12.000 Hz Signal outputs Line OUT 880 mV / 100 W Operating conditions 230 V ±10% 50/60 Hz Mains power supply 115 V ±10% 50/60 Hz Mains power supply External DC power supply Dimensions P=96W ; A=110 VA 24 V / 2,8 A (0,1 A @ Pout=0 W) 275 x 88 x 230 mm 4,2 kg Rev. 1.1 Weight P=100W ; A=117 VA PASO S.p.A. reserves the right to make changes to drawings and specifications at any time and without notice.
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