Page 84
T R A C K S O N     B R O T H E R S     L I M I T E D.

MULLARD

MULLARD SCREEN GRID VALVES.
 
Max. Max. Amplifi- 
Type Purpose
Filament
 Plate  Screen  cation Impedance 
Volts  Amps  . Volts Volts factor Ohms.
PM 12   R.F. Amp.  2.0 0.15 150   75   200 212,000 27/6 c
PM 14 R.F. Amp. 4.0 0.075 150   75   200 230,000 27/6 c
PM 16 R.F. Amp. 6.0 0.075 150   75   200 200,000 27/6 c
INDIRECTLY    HEATED A.C.VALVES.
S 4V R.F. Amp. 4.0 1.0 200 100 1000 900,000 34/- c
S 4VA R.F. Amp. 4.0 1.0 200 100 1500 430,000 34/- c
PM 224 R.F. Amp. 2.5 1.75 180   90 29/6 c
MULLARD MISCELLANEOUS VALVES.
PM lA Res. Coup. 2.0 0.1 150 1.5     36   51,000 14/- c
PM 1HF Radio Freq. 2.0 0.1 150 4.5     18   22,500 14/- c
PM 1LF Audio & Det. 2.0 0.1 150 7.5     11   12,000 14/- c
PM 2DX Detector. 2.0 0.2 150 6.0     13.5   10,700 14/- c
PPM 3A Res. Coup. 4.0 0.075 150 1.5     38   55,000 14/- c
PM 3 Det. & 1st. Aud. 4.0 0.075 150 6.0     14   13,000 14/- c
PM 4DX Detector. 4.0 0.1 150 6.0     15     7,500 14/- c
PM 5X Det. or 1st. Aud. 6.0 0.06 150 4.5     17.5   14,700 14/- c
PM 5D Detector. 6.0 0.075 150 3.0     26   20,000 14/- c
PM 5B Res. Coup. 6.0 0.06 150 1.5     40   53,000 14/- c
PM 6D Detector 6.0 0.1 150 4.5     18     9,000 14/- c
AC 3* Radio & Audio. 1.5 1.1 180 9.0     10     7,800 15/6 c
354V1 Res. Coup. 4.0 1.0 200 4.0     35   11,700 27/6 c
l64V1 Radio & Audio. 4 1 200 8.5     16     6,650 27/6 c
* Directly heated A.C. Valve. 1  Indirectly heated A.C. Valve.
MULLARD POWER VALVES.
PM 2 Audio. 2.0 0.2 150 13.5 7.5 4,400 15/- c
PM 252 Power. 2.0 0.3 150 15 5.4 2,600 17/6 c
PM 4 Audio. 4.0 0.1 150 12.0 8.0 4,450 14/- c
PM 254 Power. 4.0 0.18 150 22.5 4.2 2,000 16/6 c
PM 6 Audio. 6.0 0.1 150   9 8.0 3,550 15/- c
PM 256 Power. 6.0 0.25 250 22.5 3.25 1,850 17/6 c
DO 20 Super Power. 7.5 1.3 425 66 5.0 2,000 75/- c
104V* Power. 4.0 1.0 200 10.5 10 2,850 27/6 c
AC 064 Power. 4.0 1.0 200 21   6 2,000 28/6 c
AC 044 Super Power. 4.0 0.7 200 32   4 1,150 28/6 c
PM 245 Super Power. 2.5 1.5 250 44   4 1,600 25/- c
AC 4 Super Power. 5.0 0.25 180 22.5   3.8 1,450 20/. -
* Indirectly heated A.C. Valve.
MULLARD PENTONES.
Max. Max. Grid Amplifi-
Type Purpose Filament Plate Screen Bias cation Impedance
Volts Amps. Volts Volts Volts Factor Ohms. Price
PM 22 Power. 2.0 0.3 150 150 12 82 62,500 27/6 c
PM 24 Power. 4.0 0.15 150 150 10.5 62 28,000 27/6 c
PM 26 Power. 6.0 0.17 150 150 15 50 25,000 32/6 c
PM 24A Power. 4.0 0.275 300 200 33 83 53,000 30/- c
PM 24B Power. 4.0 1.0 400 300 40 50 24,000 40/- c
MULLARD AMERICAN REPLICAS.
Max. Max. Grid Amplifi-
Type
Filament
 Plate Screen Bias cation Impedance PRICE
American Mullard Volts Amps. Volts Volts Volts Factor
UX226 AC 3 1.5 1.1 180   9.0 10 7,800 15/6 c
UY227 102T 2.5 1.5 180 12.0 10 6,650 23/6 c
UX171A AC 4 5 0.25 180 22.5 3.8 1,450 20/- c
UX245 PM 245 2.5 1.5 250 44 4 1,600 25/- c
UY224 PM 224 2.5 1.75 180 90 29/6 c
UX280 PM 280 5.0 2.0
Max. Plate V. R.M.S.
 Max. Output
300-0-300
125 MA
 20/- c
 
(ALL PRICES ARE SUBJECT TO ALTERATION WITHOUT NOTICE).

Mike's home page.
Electronics nostalgia.
Trackson's Catalogue.