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'Classic' Audio Push-Pull, Ultra-Linear Tube Output |
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Key Features:
![Pull Tube 1 3 4k Pull Tube 1 3 4k](https://cdn.shopify.com/s/files/1/0282/4254/2676/files/HO_rope_480x480.png?v=1589407586)
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- Please see our NEW & improved versions (easy wire secondary series).
- Designed for push-pull tube output circuits.
- Enclosed (shielded), 4 slot, above chassis Type 'X' mounting.
- Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz) minimum.
- Insulated flexible leads 8' min.
- Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output.
- Due to the unique interleaving of the windings BOTH secondary windings must be engaged to meet specifications (see hook-up diagrams below).
- For the 'ultimate' in Push-Pull output see our line of epoxy potted output transformers.
Part Number | Audio Watts | Primary Impedance | Secondary Impedance | Weight |
1608 | 10 | 100 ma. | 2.5 | |
1609 | 10,000 ct | 4-8-16 | ||
1615 | 15 | 100 ma. | 3.25 | |
1620 | 6,600 ct | 4-8-16 | ||
1650F | 25 | 128 ma. | 4 | |
1645 | 5,000 ct | 4-8-16-70V | ||
1650H | 40 | 200 ma. | 6.5 | |
1650K | 3,400 ct | 4-8-16 | ||
1650N | 60 | 318 ma. | 8 | |
1650P | 6,600 ct | 4-8-16 | ||
1650R | 100 | 318 ma. | 12 | |
1650T | 1,900 ct | 4-8-16 | ||
1650W | 280 | 806 ma. | 28 |
Suggested Tube Types:
Part Number | Audio Watts (RMS) | Primary | Suggested Tube Types |
1608 | 10 | Push-Pull (2 Tubes) | 6AQ5, 6V6, 6BQ5, EL84, SV83 |
1609 | 10,000 ct | Push-Pull (2 Tubes) | |
1615 | 15 | Push-Pull (2 Tubes) | 2A3, 6A3, 6AQ5, 6B4G, 6L6, 6V6 |
1620 | 6,600 ct | Push-Pull (2 Tubes) | |
1650F | 25 | Push-Pull (2 Tubes) | 6L6GC, 6V6, 807, 5881, EL34 |
1645 | 5,000 ct | Push-Pull (2 Tubes) | |
1650H | 40 | Push-Pull (2 Tubes) | 6L6GC, 807, 5881, EL34 |
1650K | 3,400 ct | Push-Pull Par. (4 Tubes) | |
1650N | 60 | Push-Pull Par. (2 or 4 Tubes) | 6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88 |
1650P | 6,600 ct | Push-Pull (2 Tubes) | |
1650R | 100 | Push-Pull Par. (2 or 4 Tubes) | 807, 5881, EL34, 6146B, 6550B, KT88 |
1650T | 1,900 ct | Push-Pull Par. (4 or 6 Tubes) | |
1650W | 280 | Push-Pull Par. (6 or 8 Tubes) | 6L6GC, 5881, EL34, 6550B, KT88 |
Notes: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.
A tube manual or tube manufacturer's technical data sheets should be consulted first, before making a decision on a proper output transformer.
Mechanical Data:
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Schematic & Hook Up Data (all models except 1645 - see below):
Portsmonitor 1 3 3 – monitor system tcpip network connections. Schematic & Hook Up Data (1645 only):
![Pull Pull](https://cdn0.wideopencountry.com/wp-content/uploads/2020/07/Airhead-Hot-Dog-1-5-Rider-Towable-Tube-for-Boating--1024x982.jpg)
- Secondary Connections (Due to the unique interleaving of the windings BOTH secondary windings must be engaged to meet specifications)
- To hook up 4/8/16 ohm secondary loads - see 'Secondary Connections' data below (do not use the white wire).
- To hook up secondary to 70V loads, jumper Blk/Yel wire to Grn wire. Connect load to Blk and White wires.
Pull Tube 1 3 4k Uhd
Catalog page(s) on JUST this series (432K) |
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