Amplifier module only, Updated with better power supply capacitors (better reliability), Speaker level input/Speaker output, Line level input, Auto/On/Off sensing, Level control, Low-pass frequency 55Hz-170Hz (variable), Phase switch (0/180 degrees), Tested/burned in Good, Condition #8+
This is a complete Precedent Series 900, but one channel has failed at low level circuits. Very good cosmetic condition, very good electronic condition overall with no burnt parts. Buy the whole amp as is for $140 and shipping will be expensive, or but just the remaining perfect condition channel board (502-622) for $100. An experienced hobbyist could repair channel 2 with a basic parts kit.
Intact machine good for parts. Two channel power amp.
Parts for repair. 380004400 rev 8. AMP board only, intact low use and tested with switch. Output transistors listed 2SD746A, 2SB608A $28 each. 2 pieces or more to purchase 22 each.
Parts unit sold as is. Unit has been partially repaired but has a bad transformer (L01-1611-05). Definitely repairable but this part must be replaced. Circuit boards were repaired at one time. X00-1890-10 board SOLD
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Original replacement upgrade, open frame board design, 11 pins for phono or line amp. New.
Face plate. Grey with very minor light scratches. #8
8 OHM meter. 170 W Rated. 4 1/2 inch x 4 inch. 8-/10 condition (Was N.O.S but has 1/4in scratch in glass face below meter number area.
Grey with Window. Minor scuffing & Wear. No Major scratches or damage. Nice looking piece. #8+ Condition
Unit requires major rework. Needs many capacitor replacements and an upgraded board regulator. Most important transistors OK. Face, mechanics OK. Worth transformers and output transitors. Needs service. 7 condition.
55 OHM. For Phase Linear 700B amp. 4 1/2 x 4 inch silver face. 8+/10 condition (very minor unnoticed scuff. Tested and used).
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17" Face Panel. Gray. Lettering Intact. (1) Dented upper left hand corner. Small paint chips on upper edges. (1) Scratched in lower corner. (1) lower corner scratched. Condition #8+ 3 Available priced each.
Pair of capacitors. 318GEH443U075APA1, 44000uF, 75vDC 95v surge, 85 degree C max ambient.
Standard, army green and black color. Good #7+ condition with two light but obvious scratches, definitely an acceptable replacement face plate.
Intact, good for parts, or can be repaired upon request. Speak EQ's: 45, 70. Infrasonic, mono, low level, loudness, soft clipping, S.L.C. Very good condition. Condition 8
face and top cover, minor scratch on the top edge, minor scratch on front but very nice & presentable, condition #8
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420-04365 VU Meter. 8+/10 condition (minor wear on face).
Faceplate, grey with window. Has 1/8" ding at upper left hand corner - shows minor wear, but very presentable, #8
Complete machine, electronics condition unknown but probably does need real repair. Some wear to faceplate.
Grey with light wear around edges. Minor scuffs, presentable but used, #7
Volume control. 8 legs like original. 200K value will fit with 50K 100K or 250K use. 9+/10 condition (N.O.S unused).
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Low speed, virtually silent dual cooling fan. Nice slim rack package. Condition: 9
Recording Amplifier #1077 705. Missing two trimmers, salvage from previous board, good condition, might need cap change out, #8 condition.
