Audio Research SP-6
Price unknown (released in 1978)
Commentary
A preamplifier developed based on SP-3.
The latest technology advances the direction of several improvements made at the time of sale of the SP-3 and thorough enhancements to the power supply.
The circuit consists of six ECC83/12AX7 cards.
Model Rating
| Type | Control amplifier |
| Input impedance | Phono : 50k Ω Tape Tuner, Aux1/2 : 50k Ω * Phono input can be changed to any value from 10 Ω to 100k Ω |
| Gain | Phono amp:34dB Highlevel amp:26dB |
| Max Input | Phono amp:700mV(1kHz) Highlevel amp : Overload proof |
| Output level | 5 v (rated) 60 v (maximum) |
| Output impedance | 500 Ω (1 kHz) 2.1k Ω (20 Hz) * Compatible load impedance of 20k Ω or more for both main out and tape out |
| Pwer | 105 V ~ 120 V AC, 50Hz/60Hz |
| Power consumption | 35W |
| External dimensions | Width 483x Height 134x Depth 260 mm (excluding handles, terminals, etc.) |
| Weight | 10kg |