Furman SP 20AB Power Amplifier

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commercial installations with multiple small speakers. Its power capacity is also just right for driving the small cube reference speakers used in most recording studios as a comparison with the main control room monitors it can power them without overpowering them. The SP 20As output is available through either of two connectors standard banana jack binding posts for speakers, or through a male XLR connector. The latter allows the unit to become a headphone driver, linking any number of Furman HR 2 Headphone Remote Stations together via standard microphone cables. Each HR 2 station conveniently clips to a mic stand and provides individual volume controls for two sets of headphones. When used for overdubbing or rehearsal, this setup provides plenty of loudness in any kind of headphones even older lowimpedance models, and allows each musician to set his or her own comfortable volume level. When the overdubbing is complete and the musicians remove their headphones, the SP 20A can also power the tape playback speakers through the banana jacks. The output headphone chain or speakers is selected by pressing a front panel pushbutton. An additional headset may be plugged directly into the SP 20As front panel. A volume control is provided for it. The SP 20A has a convenient input level control on the left side of the front panel. A pair of yellow LEDs, one for each channel, light up whenever signal is present threshold 28 dBu. Another pair of red LEDs show an overload condition in either channel. The SP 20A is fully protected against thermal overload, and it can withstand a short circuit on any or all outputs for an indefinite time without damage. Furman SP 20AB Features 20 watts per channel in stereo mode Toroidal transformer for ultra quiet performance May be bridged for 40 watt mono operation requires load of 8 or more ohms Front panel headphone jack with volume control Ideal for small speakers or headphone system Speaker on off switch Overload and signal present LEDs for each channel Power on indicator Ground lift switch Provision for remotely located headphone volume controls Furman SP 20AB Specifications Power 20 watts per channel, stereo, into either 4 ohms or 8 ohms, or 40 watts mono into 8 ohms, 20 Hz to
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