Legacy product — discontinued and no longer available for purchase. This page is kept as part of the RudiStor product history (c. 2007). See the current lineup for available models.
RP7B

RP7B discontinued

RP7 revision B — adds XLR input and RK50 potentiometer

Year: c. 2007
Status: removed from the catalog — replaced by newer generations.

Series: Tube / Hybrid Series RP3-VTRP4RP5RP5.1RP5.3RP6-DQRP7RP7L (Lite)RP7BRP7CRP8RP8.1RP-9RP8K-VT

The B revision of the RP7 hybrid E-OTL headphone amplifier, adding an XLR input alongside the RCA line input (the Lite version has RCA only) and fitting the RK50 top-class potentiometer.

Listed at €2,100 in the 2007 catalog (the RCA-only RP7L was €1,400).

Specifications — Maximum Output: 800mW · Inputs: 1 RCA line + 1 XLR (Lite version: RCA only) · Bandwidth: 2–100,000 Hz within less than 1dB · Output: 2 headphone + 1 pre-out · THD: 0.15% (output 3Vpp), 0.4% (full power) · Gain: 12dB · Input Impedance: 22kΩ · Technology: Combo Vacuum Tubes 12AU7 / BJT Transistor · Output Impedance: 12–600Ω · Dual splitted capacitance multiplier PSU · RK50 top-class potentiometer · Amplification Class: Always A-Class · Weight: 7kg · Dimensions: 23×28×8cm

Front photos are from a 2007 review unit of the RP7 (B specification, gold RK50 knob) — the RP7-B designation appears on the rear panel.