Accuphase Phono Equalizer Unit
AD-2900 is the dedicated phono equalizer unit. Analog records can be reproduced with high quality by installing AD-2900 in a rear-panel slot. The AD-2900 features separate input circuitry for MC and MM cartridges to ensure optimum matching and realize outstanding S/N ratio. 2 sets of analog-player input jacks, the AD1 and AD2 are equipped, and their selections are switchable with the INPUT selector of pre-amplifiers.
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Contains equalizer units with boards using glass cloth fluorocarbon resin with totally separated left / right channels
Ideal MC/MM independent input circuit to achieve high noise performance
Differential-style equalizer for high-precision RIAA characteristics
Two input terminals to connect up to two tone arms
Functions that can be operated from the front panel
Memory settings for each input terminal
Robust aluminum case to shield against external noise
MC Gain : 64 / 70 dB switching Input impedance : 10 / 30 / 100 / 200 / 300 ohms switching
MM Gain : 34 / 40 dB switching Input impedance : 47 kilohms ratedDifferential amplifier circuit with ultra low noise bipolar-transistors for MC cartridges.
Models supported
by AD-2900
(in order of release)
C-2900
C-2450
C-2850
C-2420
C-2820
C-2410
C-2810
C-2400
C-2800
C-290V
C-290