Tube 6F3P (Triode-pentode) | Лампа 6Ф3П (Триод-пентод), 1988, made in USSR

 

Link: rudatasheet

Art Tube MP Professional Tube Mic Preamp, 1995, made in China

 

Link: artproaudio | Owner's Manual [PDF] | soundonsound

Key Features

• Provides Superior Preamplification for: Microphones, Instruments and Line Level Sources 
• Hand Selected 12AX7a Provides 70dB of Gain Smooth, Warm and Fat Sound Quality 
• Variable Input and Output Gain Controls 
• Excellent as a Tube DI 
• XLR and 1/4″ Inputs and Outputs +48 volts 
• Phantom Power 
• Phase Reversal Switch 
• Superior Sonic Performance to On-Board Preamps 
• TEC-Award Nominated Design 
• Portable, All Steel Construction

Specifications
Frequency Response: 10Hz to 20kHz (+0,-1dB)
Total Harmonic Distortion: <0.1% (typical)

CMMR:  > 75dB (typ @1kHz)

Dynamic Range: > 100dB (20Hz to 20kHz)

Equivalent Input Noise: -129dBu (‘A’ weighted XLR to XLR)

Input Impedance: 2k Ω (XLR), 840K Ω (1/4″)

Maximum Gain: 70dB (XLR to XLR typical)

Maximum Input Level: +14dBu (XLR), +22dBu (1/4″)

Maximum Output Level: +28dBu (XLR), +22dBu (1/4″)

Output Impedance: 600 Ω (XLR), 300 Ω (1/4″)

Power Requirements: 9 VAC @ 700ma (typ)

Dimensions: 5.0″D x 5.5″W x 2.0″H

Weight: 1.5 lbs

Art Tube MP Professional Tube Mic Preamp, May 2013, made in China

 

Link: artproaudio | Owner's Manual [PDF] | soundonsound

Key Features

• Provides Superior Preamplification for: Microphones, Instruments and Line Level Sources 
• Hand Selected 12AX7a Provides 70dB of Gain Smooth, Warm and Fat Sound Quality 
• Variable Input and Output Gain Controls 
• Excellent as a Tube DI 
• XLR and 1/4″ Inputs and Outputs +48 volts 
• Phantom Power 
• Phase Reversal Switch 
• Superior Sonic Performance to On-Board Preamps 
• TEC-Award Nominated Design 
• Portable, All Steel Construction

Specifications
Frequency Response: 10Hz to 20kHz (+0,-1dB)
Total Harmonic Distortion: <0.1% (typical)

CMMR:  > 75dB (typ @1kHz)

Dynamic Range: > 100dB (20Hz to 20kHz)

Equivalent Input Noise: -129dBu (‘A’ weighted XLR to XLR)

Input Impedance: 2k Ω (XLR), 840K Ω (1/4″)

Maximum Gain: 70dB (XLR to XLR typical)

Maximum Input Level: +14dBu (XLR), +22dBu (1/4″)

Maximum Output Level: +28dBu (XLR), +22dBu (1/4″)

Output Impedance: 600 Ω (XLR), 300 Ω (1/4″)

Power Requirements: 9 VAC @ 700ma (typ)

Dimensions: 5.0″D x 5.5″W x 2.0″H

Weight: 1.5 lbs

Philips Stereoplan 03RB563 Tube Receiver, 1966-1967, made in Austria

Link: radiomuseum

Country: Austria
Manufacturer / Brand: Philips - Österreich
Year: 1966/1967

Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: ECH81 EF183 ECL86 ECL86 EM87 EM87
Semiconductors (the count is only for transistors) 7: AF102 AF121 AF125 AF126 AF126 AC172 AC172
Main principle Superheterodyne (common); ZF/IF 460/10700 kHz
Tuned circuits 6 AM circuit(s) 9 FM circuit(s)
Wave bands Broadcast, Long Wave and FM or UHF.
Details
Power type and voltage Alternating Current supply (AC) / 110; 127; 220; 240 Volt
Loudspeaker 2 Loudspeakers
Power out 2.8 W (unknown quality)
Model: Stereoplan 03RB563 [/00 /70] - Philips - Österreich
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 520 x 230 x 195 mm / 20.5 x 9.1 x 7.7 inch
Notes

• 2 Ausführungen:
• /00 = dunkel hochglänzend
• /70 = hell matt
• Eingebauter Stereodecoder
• 2 Magische Bänder für Feldstärke- und Stereoanzeige. 
• Lautsprecherbox 03GL563. 
• Parallelgerät zum Horny W566A. 

Net weight (2.2 lb = 1 kg) 8.5 kg / 18 lb 11.6 oz (18.722 lb)
Price in first year of sale 3'195.00 öS
Source of data Radiokatalog Band 2, Ernst Erb
Mentioned in RADIOBOTE, Österr. (Heft 57/2015, S.3 ff, Beschreibung und Reparatur)

Grundig Weltklang Type Super 246W (with FM), 1950-1951, made in Germany

Link: radiomuseum (mit UKW) | radiomuseum (ohne UKW)

Country: Germany
Manufacturer / Brand: Grundig (Radio-Vertrieb, RVF, Radiowerke)
alternative name Grundig Portugal || Grundig USA / Lextronix
Year: 1950/1951

Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: ECH11 EBF11 ECL11
Semiconductors (the count is only for transistors) Tr.Gl.=Metal-rectif.
Main principle Superheterodyne (common); ZF/IF 468 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Ready for FM, has Broadcast, Long Wave, Short wave.
Details
Power type and voltage Alternating Current supply (AC) / 110-220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
Model: Weltklang Type 246W [mit UKW-Vorbereitung] - Grundig Radio-Vertrieb, RVF,
Material Bakelite case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 392 x 280 x 185 mm / 15.4 x 11 x 7.3 inch
Source of data Radiokatalog Band 1, Ernst Erb