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Last modified 2020-11-13

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Pearce-Simpson Gladding 25 (By Gladding Corporation)

A picture of Pearce-Simpson Gladding 25 (By Gladding Corporation)


Type:Amateur VHF transceiver
Frequency range:145-148 MHz (2 m)
Tuning steps:Channelized
Frequency stability:Max ? ppm
Channels/memory management:6 regular. XTAL-controlled
12 MHz XTALs for TX and 78 MHz XTALs for RX
Repeater shift/offset:According to XTALs
Power supply:13.6 VDC
Current drain/power consumption:RX: Max 400 mA
TX: Max 10 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (8.5*3.5*10")
Weight:? Kg (8.5 lb)
Other features:

Receiver system:Double conversion superheterodyne
1st IF: 10.7 MHz (8 pole crystal lattice filter)
2nd IF: 455 KHz
Sensitivity:0.3 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power/speaker:2 W at 10% distortion / ? ohm
External speaker connector:

RF output power: Hi: 25 W
Lo: 1 W
Modulation system:Phase modulation with automatic deviation limiting
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:? ohm / Fixed cord
Microphone input sensitivity:? mV

Manufactured:USA, 1970-197x (Discontinued)
Additional info: Tube hybrid. 12BY7 driver and 6883 final.
New price 1971 in Sweden: SEK 1790:-
New price 1971 in the US: $249.95
New price with PSU, 1971 in the US: $295.95
Related documents:
Modifications and fixes:
Reviews:73 Amateur Radio: December 1971
Gladding PS AC power supply. Input: 117 VAC. Output: 13 VDC, 10 A
A rear picture of Pearce-Simpson Gladding 25 (By Gladding Corporation)