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#1 |
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diyAudio Member
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15 - 100 WATTS Hi-Fi POWER AMPLIFIER PARTS LIST AND SPECIFICATIONS:
__________________________________________________ _____ Rated Power Output: 15W - 100W RMS Load impedance: 4 - 16 Ohm Frequency Response: 5Hz - 50kHz (-3dB) THD: 0.1% (1kHz/90% Power) Input Signal: 1Vpp (full power) Input Impedance: 47k RESISTORS: R1,R5,R10 = 2.2k R2,R7 = 47k R3,R11,R13 = 4.7k R4 = 10k R6 = 18k R8 = 2.2k[15W amp], 1.8k[20W amp], 1.5k[30W amp], 1k[45-100W amp] R9 = 15k R12 = 1k R14,R15 = 0.68R/1W[15-60W amp], 0.33R/4W[100W amp] P1 = 100-220 Ohm Trimpot. CAPACITORS: C1,C3 = 10uF/16-35V Tantalum C2,C6 = 180pF/100V Ceramic C4 = 47uF/3-6V Tantalum C5 = 47pF/50V Ceramic C7,C8 = 0.1uF/50V Ceramic C9,C10,C11 = 10-33uF/35V Tantalum C12 = 10pF/50V Ceramic SEMICONDUCTORS: T1,T2 = BC416C, BC560, 2N3906 or eq. (low noise, high gain, must be clamped together for good heat contact) T3 = 2N3904, BC546, BC182L T4,T5 = PN2907, BC556, BC212B T6 = TIP31C(on heat-sink) T7 = TIP32C(on heat-sink) T8,T9 = 2N3055, 2N3772, 2N5038, or eq. on heat-sink D1,D2,D3 = 1N4148 D4 = Zener Diode 10V/1W D5,D6 = 1N4003 POWER SUPPLY: Power Transformer: 2x15Watts = 24VAC CT/2A = +/-17VDC;Fuse F1 = 0.8A 2x20Watts = 30VAC CT/2.5A = +/-21VDC; Fuse F1 = 1A 2x30Watts = 36VAC CT/2.5A = +/-25VDC; Fuse F1 = 1.6A 2x45Watts = 42VAC CT/3A = +/-30VDC; Fuse F1 = 2A 2x60Watts = 46VAC CT/4A = +/-33VDC; Fuse F1 = 3.15A For Mono Amplifier, lower amperages by half. 1x100Watts = 46VAC CT/4A = +/-33VDC; Fuse F1 = 3.15A (Two 60Watts amplifiers bridged) Bridge Rectifier = 100VDC/8A Capacitors: C1, C2 = Mono 2 x 6800uF/25-50V; Stereo 4 x 6800uF/25-50V Optional: C1, C2 = 2x1000-2200uF/25V (for +/- 17VDC supply) C3 = HF bypass 0.01uF/200V
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audio |
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#2 |
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diyAudio Member
Join Date: Jul 2005
Location: Brisbane
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Looks interesting, but I don't know ... does anybody else know ...
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KL. |
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