JBL SA660
¥ 291,300 (around 1970)
Commentary
Pre-main amplifier with 60Wx2 output.
As a change from SA600, the tone control is independent on the left and right.
The configuration of the SG520 and SE400S has been simplified with the basic lines left intact, and the equalizer circuit used in the SE400S is not included.
Equipped with a loudness control and oral balancer (NULL BALANCE).
Model Rating
Type | Stereo pre-main amplifier |
Effective power | 60W + 60W (8 Ω) |
Frequency band | 20 Hz to 20000 Hz |
Input sensitivity | Phono : 4 mv, 8 mv, 16 mv (switching type) AUX:250mV |
Signal-to-noise ratio | 72dB |
Total harmonic distortion factor | 0.2% |
Tone control | High frequency : 20 kHz, ± 16 dB Low : 20 Hz, ± 18 dB |
Damping factor | 32 (8 Ω) |
Semiconductor used | 37 tr, 23 di |
Outer Diameter Dimension | Width 412x Height 128x Depth 350 mm |
Weight | 11.8kg |