Graham Slee Solo SRGII

The result of 10 years of innovative headphone amplifier development

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Manufacturer: Graham Slee

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Power Supply *

Green Switched PSU
PSU1 Power Supply [+£155.00]

£405.00

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Output impedance compensation offsets headphone frequency dips and peaks
AC coupled output prevents DC headphone damage
Two inputs: two sources or "tape loop"
Headphone impedance-ranging volume control - no gain switches!
"Always-on" for optimum sound quality
'Green' switchmode or linear PSU1 external power supply options
Full size headphone jack

The Solo Studio Reference "Green" Mk.II — SRGII for short, is the result of 10 years of innovative headphone amplifier development.

Originally made for studio monitoring, the Solo SRGII still finds use in commercial editing studios where it captures edit points so elusive to other headphone amps. It was also supplied to the BBC, modified to accept PO 316 (BPO) jack plugs. It is best partnered with studio headphones.

Item	Measurement
Headphone impedance range	16 to 600 Ohms preferred; 8 to 2,000 Ohms acceptable
Power output (rms, both channels fully driven)	32 Ohms: 27mW/channel; 600 Ohms: 23mW/channel
Distortion (THD plus noise, ref 1kHz)	0.02%
Frequency response (-3dB)	32 Ohms load: 27Hz - 35kHz; 600 Ohms load: 10Hz - 39kHz
Output noise (20Hz-20kHz, CCIR quasi-peak)	-84dB
Input sensitivity (for specified power output)	32 Ohms: 250mV rms; 600 Ohms: 775mV rms
Channel balance	better than 1dB, "9 to 3 o'clock" positions
Crosstalk	Left to Right -57dB; Input to Input -68dB
Mute	Signal off mute, non-shorting
Output Stage	Bipolar class AB
Supply voltage	24V DC
Size (approx.)	W: 107 x H: 50 x D: 185 (mm) inc. controls