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ASR Audio Systeme
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Phono Preamplifiers
Basis Exclusive
The ASR Basis Exclusive is our most complex Phono preamplifier and is in series equipped with the expensive MIL chip AD 843 SQ. The external power unit is based on the Battery-power unit for the ASR emitter with 400.000 uF additional filtering. In the housing of the ASR basis a buffer with a further 700,000 uF is installed. The ASR Basis is fitted with RCA and balanced XLR inputs, it can also be fitted with an extra set of RCA and XLRs if required. The "latest version" is now shipping!
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Downloads :
Specifications :
Frequency response : -3 dB from 3 Hz to 200,000 Hz
Weighted S / N Ratio : MC better than 68 dB, depending on gain
Accuracy of the RIAA Correction : better 0.5 dB of 20-20.000 Hz
Distortion : from 5mV to 5V AC at 100 R at 1 kHz < 0,01%;
for 20 to 20.000 Hz < 0,05 %
Input impedance : Phono MM & MC: 5 ohms to 47 kOhms
Input capacity : adjustable between 100 pF and 320 pF
Gain : universally adjustable with Dip switches from +32 to +70 dB
Inputs : 1 x unbalanced (RCA)
1 x balanced (XLR)
Outputs : 1 x unbalanced (RCA)
1 x balanced (XLR)
Dimensions (W x D x H) : 17" x 15" x 5" (Main unit)
18" x 13" x 6" (Power supply
Weight : 22 lbs (Main unit)
57 lbs (Power supply)
Options :
"2 input" version : 2 x unbalanced (RCA) and 2 x balanced (XLR)
WBT connectors : Optional WBT Copper or Silver connectors can be requested
XLR connectors in Silver : Optional XLR connectors with massive pure silver contact
Mono Switch : A Mono switch option on the rear panel
Rhodium Fuses : High grade Rhodium fuses for battery power supply (2 pcs)

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