Used ICs: TL074 – TL072 – TDA8920B
Harman Consumer Group
The PHI Series of loudspeakers continues Infinity’s longstanding commitment to accurate sound reproduction. The drivers, precision dividing networks and rigid, well-braced enclosures combine to deliver uncommon - promised performance in any stereo or multi-channel home theater system [HTS]. In addition, PHI Series speakers, except for the powered sub-woofers, are magnetically shielded for safe placement adjacent to CRT based televisions.
The PHI Series of loudspeakers continues Infinity’s longstanding commitment to accurate sound reproduction. The drivers, precision dividing networks and rigid, well-braced enclosures combine to deliver uncommon - promised performance in any stereo or multi-channel home theater system [HTS]. In addition, PHI Series speakers, except for the powered sub-woofers, are magnetically shielded for safe placement adjacent to CRT based televisions.
PHI Satellite and Center
Nominal Impedance: 4 ohms
Recommended Amp Power Range:
25-100Watts
Midrange Driver (S): 4 x 50mm (2 inch) neodymium woofer (Magnetically Shielded)
High-Frequency Driver: 19mm (3/4 inch) soft dome tweeter (Magnetically Shielded)
PHI Subwoofer
Bass reflex type
Power Rading: 100 Watts (RMS)
Amplifier Output: 100 Watts
Low-Frequency Driver: 210mm (8 inch) long throw shielded
Switch Mode Power Supply
200 W SMPS, 200-264 / 90 –132 V ac input
+ 9 V standby
+/- 15 V liner regulators
+/- 22 V main
125 W @ 1% THD into 4 Ohms
Disassemble procedure - sub-woofer - Satellite and Center speakers boxes
Circuit diagram
Click on the pictures to magnify
