1620A HAMMOND | Alldatasheet
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Basingstoke, UK 01256 812812 AUSTRALIA Queenstown, Australia 61-8-8240-2244 CANADA Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 USA Cheektowaga, NY (716) 630-7030 www.hammondmfg.com Push - Pull Audiophile - Output (1608-1650 "A" Series) PUSH - PULL "EASY HOOK-UP" "CLASSIC" TUBE TYPE - ULTRA-LINEAR OUTPUT TRANSFORMERS NEW & Improved version of our 1608-1650 series output transformers (re-designed secondaries for easy hook- • up of secondary loads) Designed for push-pull tube output circuits. • Enclosed (shielded), 4 slot, above chassis Type "X" mounting.• Insulated flexible leads 8" min. • All units (except the 1650G) include 40% screen taps for Ultra-Linear operation (if desired). • Typical applications - Push-Pull: triode, Ultra-Linear pentode, and tetrode connected audio output. The 1650G • does NOT have primary screen taps and will not support "Ultra-Linear" applications. Part Number Audio Watts (RMS) Primary Impedance Max. DC Per Side Secondary Impedance Dimensions (Inches) Wt. Lbs.A B C D E +/- 1/16” G Slot Tube Audio
Basingstoke, UK 01256 812812 AUSTRALIA Queenstown, Australia 61-8-8240-2244 CANADA Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 USA Cheektowaga, NY (716) 630-7030 www.hammondmfg.com Push - Pull Audiophile - Output (1608-1650 "A" Series) Schematic - 1650G Only Suggested Tube Types Note: The above examples of possible combinations are to help you narrow down the choices of transformers for your favorite tube types. How you operate the tubes (push-pull, push-pull parallel, ultra-linear, class, B+, bias, operating points, etc.) will change optimum plate to plate load impedance. Only a few of the most popular tubes are shown. As more tubes become available we will add them to the list. A tube manual or tube manufacturer's technical data sheets should be consulted first, before making a decision on a proper output transformer. Schematic All Parts Except 1645A, 1650E & 1650G Part Number Audio Watts (RMS) Primary Impedance Operation Tube Types 1608A 10 8,000 C.T. Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83 1609A 10 10,000 C.T. Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83 1615A 15 5,000 C.T. Push-Pull (2 Tubes) 2A3, 6A3, 6AQ5, 6B4G, 6L6, 6V6 1650E 15 8,000 C.T. Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83 1620A 20 6,600 C.T. Push-Pull (2 Tubes) 6AQ5, 6L6, 6V6 1650FA 25 7,600 C.T. Push-Pull (2 Tubes) 6L6GC, 6V6, 807, 5881, EL34 1645A 30 5,000 C.T. Push-Pull (2 Tubes) 6L6GC, 6V6, 807, 5881, EL34 1650G 35 6,600 C.T. Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34 1650HA 40 6,600 C.T. Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34 1650KA 50 3,400 C.T. Push-Pull Par. (4 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B 1650NA 60 4,300 C.T. Push-Pull Par. (2 or 4 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88 1650PA 60 6,600 C.T. Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88 1650RA 100 5,000 C.T. Push-Pull Par. (2 or 4 Tubes) 807, 5881, EL34, 6146B, 6550B, KT88 1650TA 120 1,900 C.T. Push-Pull Par. (4 or 6 Tubes) 6L6GC, 5881, EL34, 6550B, KT88 1650WA 280 1,900 C.T. Push-Pull Par. (6 or 8 Tubes) 6L6GC, 5881, EL34, 6550B, KT88 Brn (Plate) Blu/Yel (Screen Gr) Brn/Yel (Screen Gr) Blu (Plate) Blk (0 Ohm) Grn (4 Ohm) Yel (8 Ohm) White (16 Ohm) PRI SEC Red B+ Schematic - 1650E Only Brn (Plate) Blu/Yel (Screen Gr) Brn/Yel (Screen Gr) Blu (Plate) Black (0 Ohm) Grn (4 Ohm) White (16 Ohm) Org (70 V) PRI SEC Red B+ Yel (8 Ohm) Schematic 1645A Only Brn (Plate) Blu/Yel (Screen Gr) Brn/Yel (Screen Gr) Blu (Plate) Blk (0 Ohm) Blk/Red (4 Ohm) Blk/Grn (8 Ohm) Green (16 Ohm) PRI SEC Red B+ Brn (Plate) Blu (Plate) Black (0 Ohm) Org (3.5 Ohm) Yel (16 Oh m) Red/Yel (500 Oh m) PRI SEC Red B+ Blk/Yel (250 Ohm) Grn (8 Ohm) Tube Audio