Where Perfection Matters
ADL 670 Overview
ADL 670 Overview
Specifications
+4 input / 600-ohm Load Unit Gain Clockwise :
15.1dB @ +4 Output
Noise -82.6 with 400-Hz Filter = 89.2
THD 0.028% @ 100-Hz : 0.189%
IMD 0.100%
Frequency Response 50Hz..20k (± 1db)
Input / Output Impedance 600-ohm
Output Level +4 or +8 VU (+27 dBm clipping point)
Gain 7 db (no limiting)
Attack Time (adjustable) 0.2 milliseconds in Pos-1, 2 and 6
0.4 milliseconds in Pos-3 and 5
0.8 milliseconds in Pos-4
Custom Transformers 8 Audio - Same as original
1x Power Toroidal
670 Fuse 120-V ———— 3.15-Amp S/B 5x20mm
220-V ———— 1.6-Amp S/B 5x20mm
Tube Complement 2x 12AX7A
2x 12BH7A (12AU7A)
4x 6973
8x 6386
Physical
Dimensions 6-U high, 13-1/2"depth
Weight 45 lb.
ADL 660 (No Longer in Production)
660 Fuse 120-V ———— 2-Amp S/B 5x20mm
220-V ———— 1/2-Amp S/B 5x20mm