Svenska Radioaktiebolaget

Marconi TF 1245 Circuit Magnification Meter Q-Factor Vintage 1960s SRA

Svenska Radioaktiebolaget

SKU:

47702

Availability:

Usually ships within 1–2 business days.

Weight:

25.00 LBS

Brand:

Marconi Instruments

Model:

TF 1245

MPN:

TF 1245

Type:

Circuit Magnification Meter (Q-Meter)

SKU:

47702

Condition:

As-Is / For Parts or Not Working

Seller Notes:

Includes original power cable. Sold AS-IS for parts or repair.

Country/Region of Manufacture:

England

Form Factor:

Benchtop

Measurement Type:

Q Factor / Circuit Magnification (Q & δQ)

Frequency Range:

40 kHz–300 MHz (via matched oscillators TF1246/TF1247)

Displays:

Dual analog meters: Q Multiplier and Q & δQ

Q Range:

50, 150, 500 (selectable via Q Range switch)

Input Configuration:

Input I: 40 kHz–50 MHz; Input II: 20–300 MHz

Input I Oscillator:

TF 1246 (or 1 kHz–40 MHz via Transformer TM 5728)

Input II Oscillator:

TF 1247

Fuse Ratings:

1A and 150mA (rear panel fuse holders)

Distributor / Reseller Badge:

Svenska Radioaktiebolaget (SRA), Stockholm

Serial Number:

5260136

Era / Vintage:

1960s

Compatible Oscillators:

Marconi TF 1246, TF 1247, Transformer TM 5728

Condition Notes:

Marconi TF 1245 Circuit Magnification Meter sold AS-IS for parts or repair. Not tested or powered at our facility; functionality not guaranteed. Cosmetically intact; original power cable included. Rusted cable strap noted.