SuperStereo DN78

New 2 stage RIAA phono pre-amp with +/- 0.5 db from RIAA curve.
4 position capacitance switches for phono cartridge loading.
New high quality mic pre-amp with additional stereo line in via XLR Combo Jack
Improved valve circuitry giving more accurate spacial sound and more drive.
Improved cooler running power supply
New channel EQ's with nicer eq' frequencys and cuts.
Updated Isolator with reduced boost and no crosstalk on cut.
Updated internal wiring for greater relaiblity.
Valve bypass switch on the front panel.
Boosted master output with up to +24db @ 0.01% THD (valve bypassed – 0.3% with valve)
Made by Formula Sound

PHONO STAGE: RIAA 47kohm, S/N 102dB 3 to 100mV. 300pf, Moving Magnetic pick up. MC switch optional – 100 – 300 uV – 300pf. Standard RIAA curve. Switchable to line inputs.
LINE IN: >47k ohm -10 to +15dBu. S/N 104dB
USB AUDIO: 32 bit @ upto 384khz. 2 x 2 In. S/N <112 dB D/R. Win & MacOSx – NO drivers needed for Apple Mac
MIC INPUT: >600 ohm, -47dB to -10dB. Gain +60dB
MIX OUT: (XLR) Servo Balanced XLR male >600 ohm +4dBu.
BOOTH OUT: (XLR) Servo Balanced XLR male >600 ohm +4dBu
MIX OUT & BOOTH OUT: Unbalanced, RCA. 0dB 47 ohm
MAX OUTPUT LEVEL: (XLR) Booth and Master. +24dB.
MAX OUTPUT LEVEL: (RCA) Booth and Master. +20dB
''¨EFFECTS SEND: 47K ohm, +18dB. Stereo TRS, Tip L, Ring R.
EFFECTS RETURN: 4.7K ohm, -20dB to +20dB. Stereo TRS. Tip L, ring R.
ISOLATOR: LOW 0-280Hz, MID 260Hz – 2K, HIGH 2K – 20k (12db/octave) -inf. to +8dB. Flat at centre/Bypass
FREQUENCY RESPONSE: 4Hz – 28kHz +/- 1db
3-BAND BAXANDALL EQ PER CHANNEL: Bass 180hz -26db to +15dB, Mid 900hz +/-12dB, Top 5khz +/-12db
CHANNEL GAIN: -18db – +16db
HEADROOM: +25dB
NOISE: -98dB Ave.
DISTORTION: < 0.05% THD+noise @1kHz
CROSSTALK: < -90dB between channels 1& 2
SIGNAL TO NOISE RATIO: > 95db
CHANNEL SEPARATION > -85db
HEADPHONE AMP: 900mw into16 ohm. 30 – 120 ohm recommended
CHANNEL METER: Peak reading 5 LED -18, -10, -4, 0, +4db
MAIN METERS: Main Meters -20dB to +9dB LED CLIP: +9 db
RECORD OUT MINI JACK – 0db impedance 47k – Direct valve, fixed output.
AC MAINS: 110 & 240V AC @ 50-60hz
CONSUMPTION: 28W max
FUSE RATING: 100-250v T600ma
MAINS IN: 3 PIN T5 CABLE
DIMENSIONS: 330mm x 220mm x 80mm
VALVE: JRP 5760/ 396a / 2c51 dual triode, triple silver mica. recommended change every 10.000 hours