Replacement Fisher Transformers

Designed to replace either Left or Right channel Output Transformer.

Early Fisher 400

Fisher Part Number T 1020-116

For Receivers with Serial Numbers Lower than 48000

6.4K Push-Pull to 4, 8, & 16 ohms 25 Watts

Frequency Response: 10 Hz to 100 kHz +/- 1 dB @ 1 Watt

Primary DC Resistance: 225 ohms

Primary Inductance: 90 H @ 120 Hz

Part Number TT-429-OT

Weighs 3.8 lbs. (1.7 kg)

Late Fisher 400

Fisher Part Number T 1020-116

For Receivers with Serial Numbers Greater than 48000

10K Push-Pull to 4, 8, & 16 ohms 25 Watts

Frequency Response: 10 Hz to 100 kHz +/- 1 dB @ 1 Watt

Primary DC Resistance: 270 ohms

Primary Inductance: 120 H @ 120 Hz

Part Number: TT-430-OT

Weighs 3.8 lbs. (1.7 kg)

Fisher 500B, 800B, & X-101-C

Fisher Part number T 860-116

6.4K Push-Pull to 4, 8, & 16 ohms 32.5 Watts

Frequency Response: 10 Hz to 100 kHz +/- 1 dB @ 1 Watt

Primary DC Resistance: 225 ohms

Primary Inductance: 90 H @ 120 Hz

Part Number TT-431-OT

Weighs 3.8 lbs. (1.7 kg)

Fisher KX-100, X-100-B, & X-101-B

Fisher Part Number T 849-116

6.4K Push-Pull to 4, 8, & 16 ohms 25 Watts

Frequency Response: 10 Hz to 100 kHz +/- 1 dB @ 1 Watt

Primary DC Resistance: 300 ohms

Primary Inductance: 100 H @ 120 Hz

Part Number TT-433-OT

Weighs 2.9 lbs. (1.3 kg)

Early Fisher 600

Fisher Part number: T 720-116

For Receivers with serial numbers lower than 50000

7.7 K to 4, 8, & 16 ohms 20 Watts

Frequency Response: 10 Hz to 100 kHz +/- 1 dB @ 1 Watt

Primary DC Resistance: 300 ohms

Primary Inductance: 90 H @ 120 Hz

Part Number TT-436-OT

Weighs 3.3 lbs. (1.5 kg)

Fisher X-100-A, X-100-2, X-100-3

Fisher Part Number T 1109-114.

7.5K to 8 & 16 ohms 20 Watts

Part Number TT-437-OT

Weighs 2.5 lbs. (1.1 kg)

Fisher X-100-C

Fisher Part Number T 1114-116

6.4K to 4, 8, & 16 ohms

Part Number TT-438-OT

Weighs 2.9 Lbs (1.3 kg)

Fisher Transformer Rewind Service

If you do not see the Fisher transformer that you need on this page, contact us about our Rewinding Service for both Fisher Power Transformers and Fisher Output Transformers. This will include new copper windings, new Teflon lead wires, and if required, new core laminations. You must send us the entire old transformer, including end bells, and the transformer must not have been modified.

Sorry, we cannot rewind potted transformers

A potted transformer is a transformer that the original maufacturer has installed in a metal box and filled with an asphalt based potting compund (tar).