Tube Output (25 - 75 Watts) Single Ended - HI-FI 1627-1642 Serie

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Features

  • "Over designed" for high fidelity, single ended, Class-A, tube output circuits (triode, tetrode or pentode tubes).
  • Enclosed (shielded), four slot, chassis Type "X" mounting.
  • Frequency response at least 20 Hz. to 20 Khz. at full rated power (+/- 1 db max., ref. 1 Khz.)
  • Insulated flexible leads 8" min.
  • For maximum versatility, all units (except the 1642SE & 1638SEA) include a 40% screen tap for Ultra-Linear, tetrode/pentode operation (if desired). The 1642SE & 1638SEA do NOT include this screen tap as they were designed principally for high impedance triode tubes.
  • High quality laminations, (M6) grain oriented silicon steel.
  • Core is gapped to reduce core saturation in Class-A tube amplifier circuits.
  • For general purpose or replacement use in single ended tube output circuits see our 125SE Series.

Gallery Image RED wire connects to B+ <br>BLUE/YELLOW wire connects to screen (optional use)<br>BLUE wire connects to the tube plate<br>The 1642SE & 1638SEA do not include a primary screen tap (as they are designed for triode applications).

Detalles de la pieza

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Unidades mostradas: inch. Cambia de unidad: mm

Part No. Audio Primary Ultra-Linear Secondary Hipot Weight Overall Dimensions Mounting
Impedance Max. DC 40% Primary Impedance Test Slot
Watts (Ohms) Bias Tap (Ohms) (VRMS) (lbs.) A B C D E G
1626SEA 25 600 250 ma. Yes 4-8-16 2000 11 3.75 4.44 4.56 3.00 3.31 0.20 x 0.38
1640SEA 30 1250 200 ma. Yes 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
1627SEA 30 2500 160 ma. Yes 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
1630SEA 30 3500 135 ma. Yes 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
1628SEA 30 5000 120 ma. Yes 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
1642SE 75 5000 300 ma. No 4-8-16 3500 28 4.38 7.50 5.25 3.50 5.88 0.20 x 0.38
1629SEA 30 6500 100 ma. Yes 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
1638SEA 30 10000 90 ma. No 4-8-16 2000 11 3.75 4.94 4.56 3.00 3.81 0.20 x 0.38
  • RED wire connects to B+
  • BLUE/YELLOW wire connects to screen (optional use)
  • BLUE wire connects to the tube plate
  • The 1642SE & 1638SEA do not include a primary screen tap (as they are designed for triode applications).

Suggested Tube Types:

Part No. Triodes Pentodes
1626SEA 6C33 -
1640SEA Parallel - 2A3, 6A3, 6B4G, 300B, 572B, 811A Parallel - 6550, 6CA7
1627SEA 2A3, 6A3, 6B4G, 300B 6CA7, 6L6, 807, 5881, 6550, Parallel - 6AQ5, 6V6, EL84
1630SEA 2A3, 6A3, 6B4G, 300B 6CA7, 6L6, 807, 5881, 6550, Parallel - 6AQ5, 6V6, EL84
1628SEA 211, 300B, 572B, 811A 6AQ5, 6V6, 6L6, 807, 5881, 6550, EL84
1642SE Parallel - 211, 572, 811A, 845 -
1629SEA 211, 811A, 572B, 845 6AQ5, 6V6, 6L6, 807, 5881, 6550, EL84
1638SEA 211, 845 -
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 (ultra-linear, bias, plate voltage, operating points, etc.) will change optimum plate load impedance. Only a few of the most popular tubes are shown. A tube manual or tube manufacturer's technical data sheets should be consulted first, before making a decision on a proper output transformer.

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Tags: audio transformer, tube output, single ended, hi-fi, shielded, triode, tetrode, pentode