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Home < Products < Hammond Transformers < Tube Output (10-280 Watts) Easy Wire Secondary 1608A-1650A Series

 

Tube Output (10-280 Watts) Easy Wire Secondary
1608A-1650A Series
 

Features

* NEW & improved version of our 1608-1650 Series multiple secondary output transformers (re-designed secondaries for easy hook-up of secondary loads).
* Designed for push-pull tube output circuits.
* Units are designed to provide ample "headroom" at bass frequencies (note the weight of each transformer).
* All models have a secondary tapped for 4, 8 or 16 ohm outputs.
* Enclosed (shielded), 4 slot, above chassis Type "X" mounting.
* Manufactured with plastic coil forms for coil support and insulation.
* Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz) minimum.
* 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, pentode and tetrode connected audio output. The 1650G does NOT have primary screen taps and will not support "Ultra-Linear" applications.

Gallery
 

           

 


          Part Details (Units shown: inch)

Part
Number

Reader
File
Audio Watts
(RMS)
Primary
Impedance
(ohm)
Maximum
DC
Per Side
Secondary
Impedance
(ohm)
Dimensions Weight(Ibs.) Price

Paypal

A
 
B
 
C
 
D
 
E
+/-1/16"
G
Slot
1608A

10 8,000 ct 100 ma. 4-8-16 2.50 2.75 3.06 2.00 1.69 0.20 x 0.38 2.5 $127.85

1609A 10 10,000 ct 100 ma. 4-8-16 2.50 2.75 3.06 2.00 1.69 0.20 x 0.38 2.5 $127.85

1615A 15 5,000 ct 100 ma. 4-8-16 2.50 3.25 3.06 2.00 2.19 0.20 x 0.38 3.25 $138.49

1616 15 7,600 ct 100 ma. 16 2.50 3.50 3.06 2.00 2.50 0.20 x 0.38 3.5 $138.49

1650E 15 8,000 ct 100 ma. 4-8-16 2.50 3.25 3.06 2.00 2.50 0.20 x 0.38 3.5 $149.16

1620A 20 6,600 ct 158 ma. 4-8-16 2.50 3.50 3.06 2.00 2.44 0.20 x 0.38 3.5 $149.16

1650FA 25 7,600 ct 128 ma. 4-8-16 2.50 3.50 3.06 2.00 2.44 0.20 x 0.38 4 $155.51

1645A 30 5,000 ct 128 ma. 4-8-16-70V 2.50 3.75 3.06 2.00 2.69 0.20 x 0.38 4.5 $181.23

1650G 35 6,600 ct 200 ma. 3.5/8/16/250/500 3.13 3.75 3.81 2.50 2.25 0.20 x 0.38 5 $161.92

1650HA 40 6,600 ct 200 ma. 4-8-16 3.13 4.00 3.81 2.50 2.69 0.20 x 0.38 6.5 $178.98

1650KA 50 3,400 ct 318 ma. 4-8-16 3.13 4.00 3.81 2.50 2.69 0.20 x 0.38 7 $191.74

1650NA 60 4,300 ct 318 ma. 4-8-16 3.13 4.25 3.81 2.50 2.94 0.20 x 0.38 8 $198.16

1650PA 60 6,600 ct 200 ma. 4-8-16 3.13 4.25 3.81 2.50 2.94 0.20 x 0.38 8 $198.16

1650RA 100 5,000 ct 318 ma. 4-8-16 3.75 4.25 4.56 3.00 3.06 0.20 x 0.38 12 $223.71

1650TA 120 1,900 ct 403 ma. 4-8-16 3.75 4.50 4.56 3.00 3.31 0.20 x 0.38 14 $234.36

1650WA 280 1,900 ct 806 ma. 4-8-16 4.38 7.50 5.25 3.50 5.88 0.20 x 0.38 28 $474.81


          Suggested Tube Types

Part
Number

Audio Watts
(RMS)
Primary
Impedance
(ohm)
Operation Suggested Tube Types
1608A 10 8,000 ct Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83
1609A 10 10,000 ct Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83
1615A 15 5,000 ct Push-Pull (2 Tubes) 2A3, 6A3, 6AQ5, 6B4G, 6L6, 6V6
1650E 15 8,000 ct Push-Pull (2 Tubes) 6AQ5, 6V6, 6BQ5, EL84, SV83
1620A 20 6,600 ct Push-Pull (2 Tubes) 6AQ5, 6L6, 6V6
1650FA 25 7,600 ct Push-Pull (2 Tubes) 6L6GC, 6V6, 807, 5881, EL34
1645A 30 5,000 ct Push-Pull (2 Tubes) 6L6GC, 6V6, 807, 5881, EL34
1650G 35 6,600 ct Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34
1650HA 40 6,600 ct Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34
1650KA 50 3,400 ct Push-Pull Par. (4 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B
1650NA 60 4,300 ct Push-Pull Par. (2 or 4 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650PA 60 6,600 ct Push-Pull (2 Tubes) 6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650RA 100 5,000 ct Push-Pull Par. (2 or 4 Tubes) 807, 5881, EL34, 6146B, 6550B, KT88
1650TA 120 1,900 ct Push-Pull Par. (4 or 6 Tubes) 6L6GC, 5881, EL34, 6550B, KT88
1650WA 280 1,900 ct 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.


 

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